[Event "Clichy Open"]
[Site "Clichy FRA"]
[Date "1991.??.??"]
[Round "5"]
[White "Oll, Lembit"]
[Black "Kaunas, Kestutis"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2335"]
[ECO "B05g"]
[EventDate "1991.06.??"]
[PlyCount "75"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GEO"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 Nc6?! ( 5. ... e6 ) 6. O-O 
{The so called "Modern Variation" is the most popular in modern practice 
of the Alekhine's Defense. White obtains the strong center and good 
prospects on the queenside. The further scenario depends on who will be 
the first: either White conducts the favorable for him d4-d5 advance or 
Black forestalls the enemy with the blockading d6-d5 counterblow. } 6. ...
 e6 7. c4 Nb6 8. exd6! cxd6 9. d5! {Exploiting the knight position on c6. 
} 9. ... exd5 10. cxd5 Bxf3 11. gxf3 ( 11. Bxf3 Ne5 12. Be4 Be7 13. Nc3 
O-O += ) 11. ... Ne5 12. Bb5+ Nbd7 ( 12. ... Ned7 13. Qd4! Qf6 14. Re1+ 
Be7 15. Qxf6 gxf6 16. Nc3 Kd8 17. f4 += ) 13. Re1 Be7 14. f4! Ng6 15. f5! 
Ne5 16. Nc3 a6 ( 16. ... O-O? 17. f4 +- ) 17. Bxd7+ Nxd7 18. Bg5 f6 19. 
Qh5+ Kf8 20. Bd2 +/- Qe8 21. Qh3 Qf7 22. Re3 Kg8 23. Ne2! Ne5 24. Nf4 g5 
25. Rg3 h5 26. Bc3 h4 27. Rg2 Kh7 28. Ne6 Qh5 29. f4! g4 30. fxe5! +- Rhg8
( 30. ... gxh3 31. Rg7+ Kh6 32. Bd2+ +- ) 31. Qd3 dxe5 32. d6 Bd8 33. Qe4 
Bb6+ 34. Kh1 Rab8 35. d7 h3 36. Rg3 Bf2 37. Rd1 Bxg3 38. hxg3 1-0

[Event "Sarajevo 12th"]
[Site "Sarajevo BIH"]
[Date "1969.??.??"]
[Round "4"]
[White "Janosevic, Dragoljub"]
[Black "Korchnoi, Viktor"]
[Result "0-1"]
[WhiteElo "2472"]
[BlackElo "2686"]
[ECO "B05k"]
[EventDate "1969.03.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. c4 Nb6 7. exd6 cxd6 
8. O-O Be7 {Black finishes his kingside development and does not hurry to 
define a position of the b8-knight. } 9. Be3 O-O 10. Nc3 d5! {The 
d5-square is crucial in the Alekhine's Defense, therefore Black begins to 
fight for it even before he has completed his development. } 11. c5 Bxf3 
12. Bxf3 Nc4 13. b4 ( 13. b3 Nxe3 14. fxe3 Nc6 15. a3 b6 16. cxb6 axb6 17.
 Nb5 Bg5 18. Re1 Qd7 19. Qd3 Rfc8 20. e4 Ne7 {1/2-1/2(33) Radovici, Corvin
(2460) - Bagirov, Vladimir (2532) / Rubinstein Memorial 07th (9), Polanica
Zdroj POL 1969} ) 13. ... a6 14. Qb3 Bg5 15. Rfc1 Nc6 16. Rd1 b6! {
Undermining the white pawn chain, Black lessens the value of the 
opponent's queenside pawn majority. } 17. cxb6 Nxb6 =+ 18. Be2 Bf6 19. a3 
g6 20. Bf1 Qe7 21. Ne2 Rfc8 22. Kh1?! a5! 23. b5 a4! 24. Qa2 Na5 -/+ 25. 
Bd2 Nb3 26. Bb4 Qd7 27. Qb1 Nc4 28. Rd3 Qxb5 29. Nc3 Qb7 30. Nxa4 Nxd4 31.
 Nc5 Qa7 32. Nb3 Nb5 33. Rf3 Nbxa3 34. Qa2 Bg7 35. h4 Ne5 0-1

[Event "URS-ch38"]
[Site "Riga LAT"]
[Date "1970.??.??"]
[Round "12"]
[White "Karpov, Anatoly"]
[Black "Bagirov, Vladimir"]
[Result "1-0"]
[WhiteElo "2629"]
[BlackElo "2527"]
[ECO "B05q"]
[EventDate "1970.11.25"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. c4 Nb6 8. 
exd6 cxd6 9. Nc3 O-O 10. Be3 d5 11. c5 Bxf3 12. Bxf3 Nc4 13. Bc1! {Keeping
his bishop pair, White intends to oust the black knight from c4. } ( 13. 
Bf4 Nc6 14. b3 N4a5 15. Rb1 Bf6 16. Be3 b6 17. cxb6 Qxb6 18. Na4 Qb4 19. 
a3 Qd6 20. Nc5 Rfc8 {1/2-1/2(56) Geller, Efim P (2644) - Korchnoi, Viktor 
(2668) / Stockholm Interzonal (6), Stockholm SWE 1962} ) 13. ... Nc6 14. 
b3 N4a5 15. Be3 b6! 16. Na4! Rb8 17. Rc1! {It is important for White to 
hold his outpost on c5 which secures him a spatial advantage on the 
queenside. } ( 17. cxb6 axb6 = ) 17. ... bxc5?! ( 17. ... b5! 18. Nc3 Bg5 
19. Qd2 Bxe3 20. fxe3 f5 {Boleslavsky} ) 18. Nxc5 Bf6 19. a3! Ne7 20. Be2 
Nf5 21. b4 Nb7?! ( 21. ... Nc4! 22. Bxc4 dxc4 23. Rxc4 Qd5 24. Qd3 Rfd8 ) 
22. Bf4! Nbd6 23. Be5! Bxe5 24. dxe5 Nb7 ( 24. ... Ne4 25. Nb3 +/- ) ( 
24. ... Nb5 25. Bxb5 Rxb5 26. Qa4 Rb8 27. Nd7 Qe8 28. Qxa7 Ra8 29. Qb7 Qe7
30. Rc7! +/- ) 25. Nb3 Qb6 26. Bd3 Ne7 ( 26. ... a5!? 27. Bxf5 exf5 28. 
Qd4 Qxd4 29. Nxd4 axb4 30. axb4 Nd8 +/- ) 27. Qg4 f5 ( 27. ... f6 28. Qh4 
Ng6 29. Bxg6 hxg6 30. Qg3 +/- ) 28. Qd4 +/- Nd8 29. b5 g5 30. a4 Ng6 31. 
Qa1 Qb7 32. Rfe1 Qg7 33. Nc5 Rf7 34. a5 Re7 35. Na6 Ra8 36. Bf1 Nf7 37. 
Nc7 Rd8 38. Rc6 Nf8 39. b6 axb6 40. a6 Nh6 41. Rec1 Ng4 42. a7 Nxe5 43. 
R6c2 Nc4 44. a8=Q Rxa8 45. Nxa8 b5 46. Ra2 Rb7 1-0

[Event "URS-YUG"]
[Site "Erevan ARM"]
[Date "1971.??.??"]
[Round "?"]
[White "Gipslis, Aivars"]
[Black "Marovic, Drazen"]
[Result "1-0"]
[WhiteElo "2588"]
[BlackElo "2502"]
[ECO "B05u"]
[EventDate "1971.??.??"]
[PlyCount "67"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "URS"]
[Source "ChessBase"]
[SourceDate "1998.11.10"]
[WhiteTeamCountry "HUN"]
[BlackTeamCountry "URS"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. c4 Nb6 8. 
Nc3 O-O 9. Be3 {This plan poses the most serious problems for Black. White
does not hurry to exchange on d6 and completes his development.} 9. ... 
Nc6 10. exd6! cxd6 11. d5! {A soon as the knight has appeared on c6, White
conducts the standard advance in the center. } 11. ... exd5 ( 11. ... Bxf3
12. Bxf3 Ne5 13. dxe6 fxe6 14. Bg4! Nexc4 15. Bxe6+ Kh8 16. Bxb6 Nxb6 17. 
Qb3 Bf6 18. Rad1 += Bxc3 19. Qxc3 Rf6 20. Rfe1 Na4 {0-1(77) Timman, Jan H 
(2445) - Bagirov, Vladimir (2510) / Tbilisi (1), Tbilisi GEO 1971} ) 12. 
Nxd5 Nxd5 13. Qxd5! ( 13. cxd5 Bxf3 14. Bxf3 Ne5 15. Be2 f5 16. f4 Nd7 17.
 Qb3 Bf6 = 18. Bf3 Re8 19. Rfe1 Qa5 20. Kf1 Nb6 {1/2-1/2 Short, Nigel D 
(2585) - Hort, Vlastimil (2545) / Dortmund (?), Dortmund GER 1986} ) 
13. ... Qc7 14. Rad1 Rad8 15. Rd2 {The weakness of the d6-pawn and 
d5-square secures White an enduring advantage in the middlegame.} 15. ... 
Ne5 16. b3 Be6 17. Qd4 b6 18. Rfd1 h6 19. h3 f5 20. Qb2 f4 21. Bd4 Bf6 22.
 Bc3 Nxf3+ 23. Bxf3 Bxc3 24. Qxc3 Rf6 25. a4 a6 26. Rd3! Bf7 27. Qd2 Qc5 
28. Rd4 Qe5 29. Re1! Qc5 30. Re7 Kf8 31. Rb7 g5 32. b4 Qc8 33. Rxb6 Bxc4 
34. Rc6 1-0

[Event "San Antonio"]
[Site "San Antonio, TX USA"]
[Date "1972.??.??"]
[Round "?"]
[White "Browne, Walter S"]
[Black "Hort, Vlastimil"]
[Result "0-1"]
[WhiteElo "2530"]
[BlackElo "2600"]
[ECO "B05u"]
[EventDate "1972.??.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. c4 Nb6 8. 
Nc3 O-O 9. Be3 Nc6 10. exd6 cxd6 11. d5 exd5 12. Nxd5 Nxd5 13. Qxd5 Bf6 {
To set off his weaknesses, Black has to play very vigorously.} 14. Rfd1 ( 
14. Qd2 Qa5 15. Qxa5 Nxa5 16. Rab1 Rfe8 17. b3 Nc6 18. Rbd1 Rad8 19. h3 
Bf5 20. g4 Bg6 21. Bd3 Bxd3 22. Rxd3 Nb4 23. Rd2 Bc3 24. Rdd1 b6 25. Nd4 
Nxa2 {1/2-1/2(35) Borriss, Martin Dr (2375) - Baburin, Alexander (2520) / 
Berliner Sommer 10th (?), Berlin GER 1992} ) 14. ... Rc8 ( 14. ... Be6 15.
 Qd2 Qa5 16. Nd4 Qxd2 17. Rxd2 Bxd4 18. Bxd4 Rfd8 19. Rad1 Rd7 20. Bc3 
Rad8 21. f4 +/- f6 22. b3 Ne7 23. Bb4 Nc8 24. Bf3 Kf7 25. Kf2 g6 {1-0(35) 
Liberzon, Vladimir M (2568) - Vaganian, Rafael A (2542) / URS-ch38 (1), 
Riga LAT 1970} ) 15. Rd2 ( 15. Qxd6 Qxd6 16. Rxd6 Bxb2 17. Rb1 Ba3! 18. 
Rd3 Bf5! ) 15. ... Qa5 16. Qxd6?! Bxf3! 17. Bxf3 Rcd8! 18. Qf4 Be5 19. 
Rxd8 ( 19. Qg5 h6! ) 19. ... Bxf4 20. Rxf8+ Kxf8 21. Bxf4 Nd4! 22. Bd6+ ( 
22. Bxb7? Ne2+ -+ ) ( 22. Rd1 Nxf3+ 23. gxf3 Qxa2 ) 22. ... Ke8 23. Bd5 ( 
23. Bxb7? Qb6 24. Re1+ Ne6 ) 23. ... Qd2! 24. b3 Kd7 25. Be5 Ne2+ 26. Kf1 
( 26. Kh1 f6 27. Bg3 Nc1! 28. h3 Qb2 -+ ) 26. ... Qd3 27. Ke1 Ng1! -/+ 28.
 Bf3 Nxf3+ 29. gxf3 Ke6 30. Bxg7 f6 31. Rd1 Qxf3 32. Bf8 Qh1+ 33. Ke2 Qxh2
34. Bb4 Qh5+ 35. Ke1 Qh1+ 36. Ke2 Qe4+ 37. Kf1 Kf5 38. Rd5+ Kg4 39. Bc5 
Kf3 40. Kg1 Qg6+ 0-1

[Event "World Championship 28th"]
[Site "Reykjavik ISL"]
[Date "1972.08.27"]
[Round "19"]
[White "Spassky, Boris V"]
[Black "Fischer, Robert J"]
[Result "1/2-1/2"]
[WhiteElo "2660"]
[BlackElo "2785"]
[ECO "B05p"]
[EventDate "1972.07.11"]
[Annotator "ChessBase"]
[EventType "match"]
[EventRounds "21"]
[EventCountry "ISL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. h3! {An 
important improvement. White intends to use an inclusion of h3 and Bh5 to 
his benefit. 
} 7. ... Bh5 ( 7. ... Bxf3 8. Bxf3 Nc6 9. c4 Nb6 10. Bxc6+ bxc6 11. b3 O-O
12. Nc3 a5?! 13. Be3 Nd7 14. Qh5! +/- {Vasjukov-Torre/Manila/1974/} ) 8. 
c4 Nb6 9. Nc3 O-O ( 9. ... dxe5 10. Nxe5 Bxe2 11. Qxe2 Qxd4 12. Rd1 Qc5 
13. b4 Qxb4 14. Nb5 {+/-/+- Timman} ) 10. Be3 d5! ( 10. ... Nc6?! { 
because White wins an important tempo attacking the bishop on h5} 11. exd6
cxd6 12. d5 Bxf3 ( 12. ... exd5 13. Nxd5 Nxd5 14. Qxd5 +/- Bg6 15. Rad1 
+/- ) 13. Bxf3 Ne5 14. dxe6 fxe6 15. Bg4 +/- {Timman} ) 11. c5 ( 11. cxd5 
Nxd5 12. Qb3 Nb6 13. Rfd1 Qc8 14. d5 Nxd5 15. Nxd5 exd5 16. Rxd5 Nc6 {
Sznapik-Schmidt/Polen ch/1977/} ) 11. ... Bxf3 {To obtain counterplay, 
Black has to secure the c4-square for his knight, because its retreats to 
c8 or d7 are too passive. } ( 11. ... Nc4 12. Bxc4 dxc4 13. Qe2 +/- ) 12. 
Bxf3 Nc4 13. b3! {Purdy} ( 13. Bf4 Nc6 14. b3 N4a5 15. Rc1 b6 16. Na4! ( 
16. Qd2 bxc5 17. dxc5 Rb8! 18. Bxd5 exd5 19. Nxd5 Rb5! 20. b4 Nxb4 21. 
Nxb4 Qxd2 22. Bxd2 Rxc5 = {Geller-Timman/Wijk aan Zee/1973} ) 16. ... Bg5 
17. Bxg5 Qxg5 18. Qd3 Rab8 19. Bg4 Qf4 20. Rfd1 f5 21. exf6 Rxf6 22. Qe3 
+/- {Geller-Timman/Teeside/1975/} ) ( 13. Bc1?! b6 = {Purdy} ) 13. ... 
Nxe3 14. fxe3 b6 ( 14. ... f6 15. Bg4 ( 15. e4 dxe4 16. Bxe4 ( 16. Nxe4 
fxe5 17. dxe5 Nc6 ) 16. ... Nc6 17. Bxc6 bxc6 18. Qg4 f5 = {Timman} ) ( 
15. exf6 Bxf6 16. Bg4 Qe7 = {Timman} ) 15. ... Qd7 ( 15. ... f5 16. Be2 
+/- ) 16. exf6 ( 16. e4? dxe4 17. exf6 gxf6! ) 16. ... Bxf6 17. b4 += {
Timman} ) ( 14. ... Nc6 {Petrosjan} 15. Rb1 ( 15. b4 Nxb4 16. Rb1 Nc6 17. 
Rxb7 Na5 ) 15. ... a5 ( 15. ... b6 16. b4 {/\ 17.Qa4 +/- Timman} ) ( 
15. ... f6 16. exf6 Bxf6 17. b4 Ne7 18. Bg4 Qd7 19. Kh1 Rad8 20. e4 dxe4 
21. Qb3 Kh8 22. Nxe4 Nd5 = {Olafsson - Andersson, Nice (ol) 1974} ) 16. a3
b6 17. b4 axb4 18. axb4 bxc5 19. bxc5 Ra3 = {Petrosian} ) 15. e4! {To use 
his development lead, White needs to open up the game.

Timman/Purdy} ( 15. b4 a5 16. a3 ( 16. Qa4 Nd7 ) 16. ... axb4 17. axb4 Nc6
! = {Timman} ) 15. ... c6 ( 15. ... bxc5 16. exd5 cxd4 17. dxe6! ( 17. d6 
cxd6 18. Bxa8 dxc3 ~ ) 17. ... c6 18. exf7+ Rxf7 19. Ne4 +/- ) 16. b4 ( 
16. exd5 cxd5 17. b4 Nc6 ) 16. ... bxc5 ( 16. ... a5?! 17. a3 ( 17. b5 
bxc5 18. bxc6 cxd4 19. exd5 ( 19. Nxd5 -/+ ) 19. ... dxc3 20. d6 Nxc6! 21.
 dxe7 Qxe7 -/+ {Timman} ) 17. ... axb4 18. axb4 Rxa1 19. Qxa1 Bg5 20. Re1 
+/- {Timman} ) 17. bxc5 Qa5 {! Purdy} ( 17. ... Nd7 {>= Purdy} 18. Qa4 +/-
Qc7 19. Rab1 Rab8 20. Qa6 ↑ {Timman} ) 18. Nxd5! {!! Purdy - White's 
blows on d5 are often seen in this variation. } ( 18. Qe1 ⌓ {Olafsson} 
18. ... Bg5 ( 18. ... Qb4 19. Rd1 a5 20. exd5 cxd5 21. Bxd5! exd5 22. Nxd5
Qb7 23. Qe4 Ra7 24. Rb1 {+/-/+- Timman/Olafsson} ) ( 18. ... Qd8 ⌓ 19. 
Rb1 +/- {Timman} ) 19. exd5 cxd5 20. Nxd5 Qxe1 21. Raxe1 exd5 22. Bxd5 Na6
23. e6! +- ( 23. Rxf7 Rxf7 24. Bxa8 Kf8 ~ ) 23. ... Rad8 24. Rf5 {
Olafsson/ Timman} ( 24. Bc4 {/\ 25.e7} ) ) ( 18. Qd3 Na6 ) 18. ... Bg5! ( 
18. ... exd5 19. exd5 cxd5 20. Bxd5 Nd7 21. Rxf7! +/- ( 21. Bxa8?! ) 
21. ... Rxf7 22. Bxa8 Kh8 23. Qh5 Rf8 24. Be4 +- {Purdy} ) 19. Bh5! {
Timman} ( 19. Qd3 {! Purdy} 19. ... Na6 ( 19. ... Rd8 20. Bh5! g6 21. Qf3!
{+- Gligoric} ) ( 19. ... exd5! 20. exd5 Na6 21. dxc6 Rad8 = {Purdy} ) 20.
 Qc4 ( 20. Ne3 Rad8 ( 20. ... Nb4 21. Nc4 Qxc5 22. Qc3 Be3+ 23. Qxe3 Qxc4 
24. Be2 Nc2 25. Bxc4 Nxe3 26. Rfc1 Rfd8 27. Kf2 += ) 21. Nc4 Qxc5 22. Nd6 
Nb4 -/+ {Timman} ) 20. ... Qb5! ( 20. ... cxd5 21. exd5 exd5 22. Bxd5 {
+/-/+-} 22. ... Qc7 23. e6! ) 21. Qxb5 cxb5 = {Timman} ) ( 19. Qe2 Na6 20.
 Ne3 Qc3! 21. Nc2 Nb4 -/+ {Timman} ) ( 19. Qe1 Qd8 -/+ {Timman} ) ( 19. h4
!? {Krogius} 19. ... Bxh4 20. Qe2 ( 20. Ne3?! Qc3! 21. Nc2 Na6 -/+ {Purdy}
) 20. ... Na6 21. Ne3 ⇄⇄ {Timman} ) 19. ... cxd5 ( 19. ... g6? 20. 
Nf6+ +- {Timman} 20. ... Kg7 ( 20. ... Bxf6 21. exf6 ) 21. Qg4 {Korchnoi} 
) 20. Bxf7+ ( 20. exd5 ⌓ Na6 {Nej} ( 20. ... exd5 21. Bxf7+ Rxf7 22. 
Rxf7 Nc6 ( 22. ... Qd2 23. Qg4 ( 23. Rc7 Na6 24. Rb7 Be3+ 25. Kh1 Qxd4 26.
 Qxd4 Bxd4 27. Rd1 Nxc5 28. Rc7 Na6 = ) 23. ... Nc6 ( 23. ... Kxf7 24. 
Rf1+ Ke7 25. Qf5 +- {Timman} ) 24. Rd1!! Qe3+ 25. Kh1 Kxf7 26. Rf1+ Kg8 ( 
26. ... Ke7 27. Qf5 {+/-/+-} ) 27. Qe6+ Kh8 28. Qxc6 Rd8 ( 28. ... Rg8 29.
 Qxd5 Bf4 30. Qf3 ) 29. Qb7! ( 29. Qxd5 g6 ) 29. ... Qxd4 30. c6 Qb6 ( 
30. ... Qc4 ) 31. Rb1 Qxb7 32. Rxb7 +- {Timman} ) 23. Qf3! ( 23. Qh5 Nxd4 
24. Raf1 Bh6! ( 24. ... Ne6?? 25. Rxg7+ Nxg7 26. Qf7+ Kh8 27. Qf8+ Rxf8 
28. Rxf8# {Timman} ) ) 23. ... Qb4 24. Rf1 Qxd4+ 25. Kh1 Qxc5 26. Rc7! +- 
{Timman} ) 21. Bxf7+ ( 21. dxe6 fxe6 22. Qg4 Be3+ 23. Kh1 Nc7 = {Nej} ) ( 
21. d6 g6 = ) 21. ... Rxf7 22. Rxf7 Kxf7 23. Qh5+ Kg8 24. Qxg5 Qc3 25. Rd1
exd5 26. e6 Nc7 27. Qe5 {+/-/+- Timman} ) ( 20. Rxf7 -/+ Nc6 ) 20. ... 
Rxf7 ( 20. ... Kh8 21. exd5 +- ) 21. Rxf7 Qd2! {Timman} ( 21. ... Be3+ 22.
 Kh2 ( 22. Kh1 Kxf7 23. Qh5+ Ke7 24. Rf1 Kd8 25. Qf7 +-- ) 22. ... Kxf7 
23. Qh5+ Ke7 24. Rf1 Nd7 25. Qf7+ Kd8 26. c6 +- {Timman} ) ( 21. ... Nc6 
22. Qg4 ( 22. Qh5 {Olafsson} ) 22. ... Kxf7 23. Rf1+ Kg8 24. Qxe6+ {+/-/+-
Timman} ) ( 21. ... Qc3 22. Rf1! {Olafsson / \ 23.Qa4, 23.Qg4, 23.Qh5} ( 
22. exd5 exd5 23. Rb1 Nc6 24. Rbb7 Bh6 25. Qg4 Qxd4+ 26. Qxd4 Nxd4 27. 
Rxa7 ~ {Nej, +/= Timman} ) 22. ... Nc6 23. Qg4! Qxd4+ 24. Kh1 Qxe5 25. 
exd5 exd5 ( 25. ... Qxd5 26. Rad1 Qe5 27. Qf3 +- ) 26. Rae1 Be3 27. Qf3 +-
{Timman} ) ( 21. ... Kxf7? 22. Qh5+ ) 22. Qxd2 {!! Purdy} ( 22. Rc7 Na6 
23. Rc6 Nb4 24. Rxe6 dxe4 {<=>/=/+ Timman} ) ( 22. Qh5? Qxd4+ 23. Kh2 
Qxe5+ 24. g3 Qb2+! -+ {Purdy} ) 22. ... Bxd2 23. Raf1 Nc6 24. exd5 = ( 24.
 Rc7 dxe4 {Olafsson} ( 24. ... Nxd4 25. Rff7 Bh6 26. exd5 exd5 27. Rxa7 
+/- {Byrne/Nej vgl. Anmerkung zu 21...Qd2!, Variante 21... Qc3} ) ( 
24. ... Nd8 25. Re7 ( 25. exd5 exd5 26. Rd7 {+/-/ Timman} ) 25. ... Nc6 
26. Rxe6 ( 26. Rc7 = ) 26. ... Nxd4 27. Re7 Be3+ 28. Kh1 dxe4 29. Rff7 Ne6
! -/+ {Byrne/Nej} ) 25. Rxc6 e3 26. Rf4!! ( 26. Rxe6 e2 27. Rb1 Rf8 {/\ 
28. ... Rf1, 29.... Be3 -+} ) 26. ... e2 27. Re4 e1=Q+ 28. Rxe1 Bxe1 29. 
Rxe6 +/- {Timman} ) 24. ... exd5 25. Rd7 ( 25. e6 Re8 26. Rc7 Nxd4 27. e7 
Ne6 =+ ) ( 25. R7f3 Nxd4 26. Rd3 Bb4 =+ ) 25. ... Be3+ 26. Kh1 Bxd4 27. e6
{/\ 28.Rd6 Purdy} 27. ... Be5! ( 27. ... Bxc5 28. Rc1 +- ) ( 27. ... Re8 
28. Rxd5 ) 28. Rxd5 Re8 29. Re1 Rxe6 30. Rd6! Kf7 {! Purdy} ( 30. ... Rxd6
31. cxd6 Kf8 ( 31. ... Bxd6?? 32. Re6 {Purdy} ) ( 31. ... Kf7 32. Rc1 ~ {
/\ 33.Rc7 Purdy} ) 32. Rc1 Nd8 33. Rc8 Ke8 34. Rc7 {+/-/ Timman} ) 31. 
Rxc6 Rxc6 32. Rxe5 Kf6 33. Rd5 Ke6 34. Rh5 h6 35. Kh2 Ra6 36. c6 Rxc6 37. 
Ra5 a6 38. Kg3 Kf6 39. Kf3 Rc3+ 40. Kf2 Rc2+ 1/2-1/2

[Event "Petropolis Interzonal"]
[Site "Petropolis"]
[Date "1973.07.30"]
[Round "6"]
[White "Geller, Efim P"]
[Black "Bronstein, David I"]
[Result "1-0"]
[WhiteElo "2585"]
[BlackElo "2585"]
[ECO "B05p"]
[EventDate "1973.07.23"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. h3 Bh5 8. 
c4 Nb6 9. Nc3 O-O 10. Be3 d5 11. c5 Bxf3 12. Bxf3 Nc4 13. Bf4! {White 
should avoid exchanges, because the black pieces lack space for 
maneuvering. } ( 13. Bc1 { slows down the queenside development and gives 
Black an opportunity to obtain counterplay undermining the white center 
with b7-b6 and f7-f6: } 13. ... b6! 14. b3 Na5 ) 13. ... Nc6 ( 13. ... 
Nxb2 14. Qb3 Nc4 15. Qxb7 Nd7 +/- ) 14. b3 N4a5 15. Rc1 b6 16. Na4! {And 
again, White tries to hold his outpost on c5 which secures him a spatial 
advantage on the queenside. } 16. ... b5? {A strategic mistake. Since the 
queenside has been blocked, White does not have to worry about the 
c5-square, and the only thing he has to care is his e5-outpost.} ( 16. ...
 Bg5!? 17. Bxg5 Qxg5 18. Qd3 Rab8 19. Bg4 Qf4 20. Rfd1 f5 21. exf6 Rxf6 
22. Qe3 Re8 23. cxb6 axb6 24. Nc3 Qd6 25. Nb5 Qd8 {1-0(53) Geller, Efim P 
(2600) - Timman, Jan H (2510) / Teeside (9), Teesside ENG 1975} ) ( 
16. ... f6!? 17. exf6 Bxf6 18. cxb6 cxb6 19. b4 Nxb4 20. Qe1 Nd3 21. Qxe6+
Kh8 22. Bc7 Qc8 23. Qxd5 Nxc1 24. Rxc1 +/- {Tseshkovsky - Alburt, USSR 
1974} ) 17. Nc3 b4 18. Ne2 f6 19. exf6 Bxf6 20. Bg4 Qd7 21. Qd3 a6 22. 
Rce1 Qf7 23. Bh2 Rfe8 24. Rd1 Nb7 25. Kh1 {An introduction to a kingside 
pawn storm. } 25. ... Nbd8 26. f4 g6 27. Bf3 Ne7 28. g4 +/- Ndc6 29. f5! 
exf5 ( 29. ... e5!? 30. dxe5 Nxe5 31. Bxe5 Bxe5 32. fxg6 Qxg6 33. Qxg6+ 
hxg6 34. Bxd5+ Nxd5 35. Rxd5 +/- ) 30. Bxc7 Kh8 31. Bh2 Red8 32. Qe3 g5 
33. gxf5 Nxf5 34. Qf2 Ng7 35. Bg4 Rf8 36. Be5 Ne8 37. Ng3 Ra7 38. Bh5 Qg8 
39. Qb2 ( 39. Bxe8?! Nxe5 40. dxe5 Bg7 ) 39. ... Bxe5 ( 39. ... Nxe5 40. 
dxe5 Bg7 41. Nf5 +- ) 40. dxe5 d4 41. Rxf8 Qxf8 42. Rf1 Qg8 43. Qf2 Ng7 
44. Bf7 Qd8 45. Bc4 Ra8 46. Ne4 Nh5 47. Qf7 ( 47. Nd6 +- ) 47. ... Nf4 48.
 Qb7 Na5 49. Qf7 Ng6 50. Bd5 Rc8 51. Nd6 Rc7 ( 51. ... Rxc5 52. Qa7! Qc7 
53. Qa8+ +- ) 52. Qf5 Qe7 53. Nf7+ Kg7 54. Nxg5 Rd7 55. e6 Rc7 56. Nxh7 
1-0

[Event "Hoogovens-B"]
[Site "Wijk aan Zee NED"]
[Date "1975.01.??"]
[Round "1"]
[White "Enklaar, Bert"]
[Black "Schmidt, Wlodzimierz"]
[Result "0-1"]
[WhiteElo "2410"]
[BlackElo "2465"]
[ECO "B05p"]
[EventDate "1975.01.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. c4 Nb6 7. O-O Be7 8. 
h3 Bh5 9. Nc3 O-O 10. Be3 d5 11. c5 Bxf3 12. Bxf3 Nc4 13. Bf4 b6! {In 
order not to give the opponent time for fortifying the c5-outpost, Black 
undermines it even before he has completed his own queenside development.}
14. b3 Na5 15. Rc1 ( 15. b4 Nc4 16. Rc1 c6 17. Be2 a5 18. Bxc4 dxc4 19. a3
axb4 20. axb4 Na6 21. b5 Nb4 22. bxc6 bxc5 23. c7 Qxd4 24. Qxd4 cxd4 25. 
Nb5 c3 {0-1(40) Lukin, Andrei M (2450) - Bagirov, Vladimir (2490) / URS Ch
otbor (?), Chelyabinsk RUS 1975} ) ( 15. Na4 Nd7! 16. Qd2 Nc6 17. b4 bxc5 
18. bxc5 Rb8 19. Rab1 Rxb1 20. Rxb1 Qa8! 21. Be3 Rb8 += ) ( 15. b4 Nc4 16.
 Rc1 c6 17. Be2 a5 18. Bxc4 dxc4 19. a3 axb4 20. axb4 Na6 21. b5 Nb4 22. 
bxc6 bxc5 23. c7 Qxd4 24. Qxd4 cxd4 25. Nb5 c3 {0-1(40) Lukin, Andrei M 
(2450) - Bagirov, Vladimir (2490) / URS Ch otbor (?), Chelyabinsk RUS 1975
} ) 15. ... bxc5 16. dxc5 Nac6 17. Re1 Bg5! {The bishop exchange stresses 
the e5-pawn weakness. } ( 17. ... Nd7 18. Nxd5 exd5 19. Bxd5 Ndb8 20. b4 
a6 21. Rc4 Ra7 22. Qf3 Qe8 23. Bh6 Kh8 24. Bd2 Bd8 25. Bc3 Ne7 {0-1(128) 
Gufeld, Eduard (2500) - Palatnik, Semon (2405) / URS Ch FL (16), Tbilisi 
GEO 1973} ) 18. Qd2 ( 18. Nxd5!? exd5 19. Bxg5 Qxg5 20. Bxd5 Kh8! 21. Rc4 
a5! 22. e6 fxe6 23. Rxe6 Nd8 24. f4 Qg3 25. Re7 Ra6 {0-1(33) Kavalek, 
Lubomir (2625) - Schmid, Lothar (2550) / Nice ol (Men) fin-A (1), Nice FRA
1974} ) 18. ... Bxf4 19. Qxf4 a5 20. a3 ( 20. Ne2 Nd7 21. Nd4 Nxd4 22. 
Qxd4 c6 23. a3 Rb8 24. b4 axb4 25. axb4 f6! =+ ) 20. ... Ne7! 21. Bg4 Ng6 
22. Qa4 c6 23. f4 Qc7 24. Qd4 Nd7 25. Na4 Rab8 26. Rc3 Rb7 27. Kh1 Qb8 28.
 Qe3 Kh8! {Preparing to hit the white center with f7-f6. } 29. g3 Ne7 30. 
h4 Re8 31. Bd1 f6! =+ 32. exf6 Nxf6 33. Bc2 Nf5 34. Qd2 Rbe7 35. Rf3 Nh6 
36. Qxa5 e5 37. fxe5 Rxe5 38. Rxe5 Qxe5 39. Qc3 d4 40. Qd3 Nhg4 41. Kg1 
Qd5 42. Nb6 Re1+ 43. Kg2 Qe6 44. Bd1 Ne3+ 45. Rxe3 dxe3 46. Be2 Qe4+ 47. 
Qxe4 Nxe4 48. Kf3 Nc3 49. Kxe3 Nxe2 50. Kf2 Ra1 51. Kxe2 Rxa3 -+ 52. Kf3 
Rxb3+ 53. Kf4 Rc3 54. Nd7 Kg8 55. g4 Kf7 56. Ne5+ Ke6 57. Nxc6 Rc4+ 58. 
Kg3 Rxc5 59. Nd4+ Ke5 60. Nf3+ Ke4 61. Nd2+ Ke3 62. Nf3 Rc3 63. Ng5 h6 64.
 Ne6 Ke4+ 65. Kg2 g6 0-1

[Event "Vrnjacka Banja"]
[Site "Vrnjacka Banja SRB"]
[Date "1981.??.??"]
[Round "4"]
[White "Cabrilo, Goran"]
[Black "Haik, Aldo"]
[Result "1-0"]
[WhiteElo "2425"]
[BlackElo "2405"]
[ECO "B05p"]
[EventDate "1981.04.??"]

{
http://ctart.chessok.com/course/chess-opening-semi-open-games-1-e4/alekhine-defence/modern-variation?page=2
} 
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. h3 Bh5 8. 
c4 Nb6 9. Nc3 O-O 10. Be3 d5 11. c5 Bxf3 12. gxf3!? {An interesting idea. 
At the cost of doubling his pawns White retains control of the c4-square 
thus forcing the b6-knight to retreat, after which Black will be cramped. 
} 12. ... Nc8 {Intending to bring the knight into play via Nc8-e7-f5} 13. 
f4! {With the idea of f4-f5. } 13. ... f5 {This move nips the f4-f5 
breakthrough in the bud, but leaves Black without any counterplay and 
condemns him to defend passively. } ( 13. ... g6?! {does not prevent 
f4-f5:} 14. Kh2 Kh8 15. f5 gxf5 16. Rg1 Rg8 17. Rxg8+ Qxg8 18. Qd2 Nd7 19.
 Rg1 Qe8 20. Bh6 Bf8 21. Nb5 Ne7 22. Nxc7 Bxh6 23. Qxh6 Qf8 24. Qg5 Rb8 
25. Nb5 b6 {1-0(37) Levitina, Irina S (2330) - Alexandria, Nana (2335) / 
Moscow (1), Moscow RUS 1975} ) 14. b4 Rf7 15. Kh2 Bf8 16. Bd3 {White's 
long-term plan involves a queenside offensive. } 16. ... a6 17. Ne2 Nc6 
18. a3 N8a7 19. Ng1 g6 20. Nf3 Rg7 21. Rg1 Be7 22. Qd2 h6 23. a4 b5 24. 
axb5 axb5 25. Ra6 Rb8 26. Ne1 Qc8 27. Ra3 Kh7 28. Nc2 Qb7 29. Ne1 Rbg8 30.
 Nf3 Rh8 31. Rga1 Kg8 32. Qa2 Nc8 33. Bd2 Nb8 34. Ra8 +/- c6 35. Kg2 g5 
36. Kf1 Bd8 37. Ke2 Rhh7 38. Qb1! g4 39. hxg4 Rxg4 40. Bxf5! {he bishop 
sacrifice is breaking the black king's pawn shelter. } 40. ... exf5 41. 
Qxf5 Rgg7 42. Qe6+ Kh8 43. f5 Nd7 44. Bxh6 Rg8 45. Be3 Be7 46. f6 1-0

[Event "Bundesliga 9798"]
[Site "GER"]
[Date "1998.02.28"]
[Round "10.2"]
[White "Kindermann, Stefan"]
[Black "Baburin, Alexander"]
[Result "1/2-1/2"]
[WhiteElo "2570"]
[BlackElo "2570"]
[ECO "B05p"]
[EventDate "1997.10.18"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. h3 Bh5 7. O-O Be7 8. 
c4 Nb6 9. Nc3 O-O 10. Be3 d5 11. c5 Bxf3 12. gxf3 Nc8 13. f4 ( 13. b4 a6 
14. f4 Nc6 15. Kh2 Bh4 16. Bd3 g6 17. a3 N8e7 18. Rg1 Kh8 19. Bc2 Nf5 20. 
Rg2 Nce7 21. Ne2 f6 {1/2-1/2 Spassky, Boris V (2640) - Bagirov, Vladimir 
(2545) / URS Spartakiad (?), Moscow RUS 1979} ) 13. ... Nc6 {Under some 
favorable circumstances Black threatens with the ¥xc5 blow.} 14. b4 Bh4! 
{Vacating the e7-square for the Nc8-e7-f5 maneuver.} ( 14. ... a6 15. f5!?
( 15. Kh2 Bh4 {1/2:1/2 Spassky - Bagirov, Moscow (tt) 1979} ) 15. ... exf5
16. f4 Nb8 ) 15. Rb1 N8e7 16. Bd3 g6 17. Qf3 ( 17. Qg4 Nf5 18. Bxf5 exf5 
19. Qf3 Ne7 20. b5 Qd7 21. Rfc1 Qe6 22. Bd2 Rfd8 23. a4 a6 24. Ra1 Kg7 25.
 Nd1 c6 {1/2-1/2(44) Schandorff, Lars (2420) - Bagirov, Vladimir (2530) / 
Copenhagen (?), Copenhagen DEN 1993} ) 17. ... Nf5 18. Bxf5 gxf5 19. Qh5 
Kh8 20. Kh2 Rg8! 21. Qxf7 Qe8 22. Qxe8 Raxe8 23. Rg1 Rxg1 24. Kxg1 Kg8 {
White's extra pawn is of no importance due to a closed character of the 
position.} 1/2-1/2

[Event "URS Ch sf+"]
[Site "Minsk BLR"]
[Date "1983.??.??"]
[Round "?"]
[White "Chiburdanidze, Maia"]
[Black "Bagirov, Vladimir"]
[Result "0-1"]
[WhiteElo "2355"]
[BlackElo "2500"]
[ECO "B05p"]
[EventDate "1983.09.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. h3 Bh5 8. 
c4 Nb6 9. Nc3 O-O 10. Be3 d5 11. c5 Bxf3 12. gxf3 Nc8 13. f4 Nc6 14. Bd3 
g6 ( 14. ... Bxc5? 15. dxc5 d4 16. Bxh7+ Kxh7 17. Qh5+ Kg8 18. Ne4! +- ) 
15. f5! {With this standard pawn sacrifice White opens up his bishops and 
weakens the black pawn on d5. } 15. ... exf5 ( 15. ... gxf5? 16. Kh2 Kh8 
17. Rg1 Rg8 18. Rxg8+ Qxg8 19. Qf3 +/- ) 16. Qf3 Bxc5! 17. dxc5 d4 ( 
17. ... Nxe5 18. Qxd5 Nxd3 19. Rfd1 Qxd5 20. Nxd5 Nxb2 21. Rd4! +/- ) 18. 
Bh6 dxc3 19. Bxf8 ( 19. e6 cxb2 ( 19. ... Ne5 20. Qxb7 Qxd3 21. exf7+ Nxf7
22. Bxf8 Qe4 23. Qxc7 Kxf8 24. Rfe1 cxb2 25. Rab1 Qb4 ( 25. ... Qd3? 26. 
Qb7 Qxh3 27. Qxa8 ) 26. Re2 Qb8 ( 26. ... Kg7 27. Rbxb2 ) 27. Qd7 Qf4 28. 
Rbxb2 Qg5+ 29. Kh1 Qc1+ 30. Kg2 Qg5+ 31. Kf1 Qc1+ 32. Kg2 = ) 20. Rae1 ) (
19. e6 fxe6 20. Bxf8 Kxf8 21. bxc3 Qg5+ 22. Kh1 N8e7 23. Rab1 Rd8 24. Rfe1
e5 25. Bb5 Rd5 {0-1(52) Markovic, Ivan2 (2115) - Velicka, Petr (2405) / 
Moravia Ch (?), Moravia 1997} ) 19. ... Qxf8 20. e6 Qxc5 21. exf7+ Kxf7 
22. Rac1 Nd6 23. Rxc3 Qe5 24. Bc4+ Kf6 25. Re3 Nd4 26. Qg2 Qf4 27. Bd5 c6 
28. Rd1 Re8 29. Rxe8 Nxe8 30. Kf1 cxd5 31. Qxd5 Ne6 32. Re1 N8c7 33. Qxb7 
Qc4+ 34. Kg1 Qxa2 35. Qc8 Qd5 36. Re3 f4 37. Qh8+ Kf5 38. Rc3 Qe5 39. Qxh7
Qe1+ 40. Kg2 Qe4+ 41. Kg1 Nd5 42. Qf7+ 0-1

[Event "Moravia Ch"]
[Site "Moravia"]
[Date "1997.??.??"]
[Round "?"]
[White "Markovic, Ivan2"]
[Black "Velicka, Petr"]
[Result "0-1"]
[WhiteElo "2115"]
[BlackElo "2405"]
[ECO "B05p"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[Source "ChessBase"]
[SourceDate "1998.11.10"]
[WhiteTeamCountry "PHI"]
[BlackTeamCountry "KAZ"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. c4 Nb6 8. 
h3 Bh5 9. Nc3 O-O 10. Be3 d5 11. c5 Bxf3 12. gxf3 Nc8 13. f4 Nc6 14. Bd3 
g6 15. f5 exf5 16. Qf3 Bxc5 17. dxc5 d4 18. Bh6 dxc3 19. e6 fxe6 20. Bxf8 
Kxf8 21. bxc3 Qg5+ 22. Kh1 N8e7 23. Rab1 Rd8 24. Rfe1 e5 25. Bb5 Rd5 26. 
Bxc6 bxc6 27. Rbd1 e4 28. Qg2 Qxg2+ 29. Kxg2 Rxc5 30. Rd7 Rxc3 31. Rxc7 
Kf7 32. Rxa7 Ke6 33. a4 Nd5 34. Rxh7 Ra3 35. Rc1 Nf4+ 36. Kh2 Ra2 37. a5 
e3 38. Re1 e2 39. Rh8 Rxa5 40. Kg3 Ra4 41. f3 c5 42. Rd8 Ke7 43. Rd2 g5 
44. h4 gxh4+ 45. Kxh4 Ne6+ 46. Kg3 Nd4 47. Rexe2+ Nxe2+ 48. Rxe2+ Kd6 49. 
Re8 Rd4 50. Rf8 Rd5 51. Kf4 c4 52. Rd8+ Kc5 0-1

[Event "Budapest FS11 GM"]
[Site "Budapest HUN"]
[Date "1993.??.??"]
[Round "13"]
[White "Sutovsky, Emil"]
[Black "Wells, Peter K"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2455"]
[ECO "B05p"]
[EventDate "1993.11.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. h3 Bh5 8. 
c4 Nb6 9. Nc3 O-O 10. Be3 d5 11. c5 Bxf3 12. gxf3 Nc8 13. f4 Nc6 14. Bd3 
b6! {As a rule, Black is unable to prevent the f4-f5 breakthrough by means
of g7-g6, therefore the best way to oppose the white kingside attack is 
active counterplay. } ( 14. ... Bh4!? 15. f5 exf5 16. Bxf5 g6 17. Bc2 Kh8 
18. f4 f5! 19. a3 N8e7 20. Qf3 Qd7 21. b4 Nd8 22. Bb3 c6 23. Ne2 Ne6 24. 
Kh1 Ng8 25. Bc2 Nh6 {1/2-1/2(32) Nijboer, Friso (2510) - Bosch, Jeroen 
(2425) / NED Team Ch 9596 (?), NED 1995} ) 15. Qa4 Nxd4! 16. Bxd4 bxc5 17.
 Bxc5 ( 17. Be3 d4 ) 17. ... Bxc5 18. Qc6 Bb6 19. Qxa8 Qh4 20. Kg2 Ne7 21.
 Qb7 g5! 22. Ne2 gxf4 23. Ng1 Qg5+ 24. Kh1 Kh8 25. Be2 Rg8 26. Bf3 Ng6 27.
 Qa6 Nxe5 28. Qe2 h5 29. b4 f6 30. a4 Qh4 31. Bg2 1/2-1/2

[Event "Berliner Sommer 08th"]
[Site "Berlin GER"]
[Date "1990.??.??"]
[Round "9"]
[White "Aseev, Konstantin N"]
[Black "Bagirov, Vladimir"]
[Result "0-1"]
[WhiteElo "2545"]
[BlackElo "2470"]
[ECO "B05p"]
[EventDate "1990.08.11"]
[PlyCount "91"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. c4 Nb6 8. 
h3 Bh5 9. Nc3 O-O 10. Be3 d5 11. c5 Bxf3 12. gxf3 Nc8 13. f4 Nc6 14. f5!? 
{As we have already seen, the f4-f5 breakthrough in different situations 
is a leitmotif of White's strategy. Here Black has not yet vacated the 
e7-square for his knight. } 14. ... exf5 15. Bf3 Bg5! ( 15. ... Bh4 16. 
Bxd5 N8e7 17. Bxc6 bxc6 18. Qh5 f4 19. Qxh4 fxe3 20. fxe3 Rb8 21. b3 Nd5 
22. Qxd8 Rfxd8 23. Nxd5 Rxd5 24. Rac1 Rdd8 25. Rc4 a5 {1-0(46) Lukin, 
Andrei M (2445) - Yuneev, Alexey (2345) / URS-sf (?), Daugavpils LAT 1989}
) ( 15. ... f4 16. Bxf4 Bg5 17. Bg3 N8e7 18. Bg4 f5 19. exf6 Rxf6 20. f4 
Bh6 21. Qd3 Kh8 22. f5 Bg5 23. h4 Bh6 24. Nb5 Rc8 25. Be5 Ng8 {1-0(43) 
Sax, Gyula (2580) - Ivanchuk, Vassily (2660) / Tilburg (8), Tilburg NED 
1989} ) 16. Nxd5 f4 ( 16. ... Bxe3 17. fxe3 N8e7 18. Nxe7+ Nxe7 19. Bxb7 
Rb8 20. Bg2 Rxb2 21. Qc1 Rb8 22. Rb1 c6 23. Rxb8 Qxb8 24. Qc4 g6 25. Qb3 
Qd8 26. Rf2 Kg7 27. Rb2 f4 28. d5 f3 29. Bxf3 cxd5 30. Qc3 Nc6 31. Bg2 Kg8
32. Rd2 Qg5 33. Rxd5 Qg3 34. Rd1 Nxe5 35. Kf1 Re8 {1/2-1/2(36) Cimicki, 
Dariusz (2358) - Vlasveld, W Martin (2439) / WCCC30SF07(WS) (?), ICCF 2007
} ) 17. Bxf4 Bxf4 18. Nxf4 N8e7 19. b3 ( 19. d5 {1/2-1/2 Gallagher, Joseph
G (2500) - Bagirov, Vladimir (2530) / Eupen Open (7), Eupen BEL 1993} ) 
19. ... Rb8! 20. Be4?! ( 20. d5 Nxe5 21. Bg2 = ) 20. ... Qxd4 21. Qxd4 
Nxd4 22. Rfd1 Rfd8 =+ {xe5} 23. Rd3 Ndc6 24. e6 f5! 25. Bg2 Rxd3 26. Nxd3 
Rd8 27. Nf4 g6 28. Re1 Kg7 29. Bxc6 bxc6 30. Kg2 g5 31. Ne2 Kf6 -/+ 32. h4
gxh4 33. Nf4 Rd4 34. Kf3 Re4 35. Rxe4 fxe4+ 36. Kxe4 Nd5 37. Ne2 Ne7 38. 
Nd4 h3 39. Nf3 Nd5 40. e7 Kxe7 41. Kf5 Nf6 42. Kf4 Ke6 43. Kg3 Ne4+ 44. 
Kxh3 Nxf2+ 45. Kh4 Kd5 46. Kg5 0-1

[Event "RUS-Cup03 (Geller mem)"]
[Site "Moscow RUS"]
[Date "1999.02.13"]
[Round "4"]
[White "Kobalia, Mikhail"]
[Black "Nalbandian, Tigran"]
[Result "1-0"]
[WhiteElo "2537"]
[BlackElo "2439"]
[ECO "B05s"]
[EventDate "1999.02.10"]
[Annotator "Finkel,A"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. c4 Nb6 8. 
Nc3 O-O 9. Be3 d5?! ( 9. ... Nc6!? ) 10. c5 Bxf3 11. gxf3 Nc8 {It is 
interesting to note that similar positions with the white pawn standing on
h2 (i.e. without an inclusion of h2-h3 and Bg4-h5) are dangerous for Black
due to the fact that the white queen gets the h3-square, which 
substantially increases White's attacking potential on the kingside.} 12. 
f4 Bh4?! ( 12. ... f5 =+ ) 13. Bd3 g6 ( 13. ... f5!? 14. exf6 ( 14. b4 Ne7
15. Kh1 Ng6 16. Qf3 Nd7 17. Ne2 c6 18. a4 a6 19. b5 axb5 20. axb5 Be7 21. 
Rfc1 += {Doring,R-Hasek,V/Klatovy op-A 1997 (42)} ) 14. ... g6 15. f7+ Kh8
?! 16. Qg4 Qf6? 17. Kg2 Qe7 18. Rae1 Bf6 19. Bd2 +/- {Van der 
Wiel,J-Bohm,H/NLD-ch 1979 (38)} ) 14. f5!? ( 14. Qg4 f5 15. Qh3 Be7 16. b4
b6 17. a3 ( 17. Ne2 Qe8 18. a4 Nc6 19. Bd2 a5 20. b5 Nb4 21. Rfc1 Nxd3 22.
 Qxd3 Bd8 ~ {Geisler,F-Maus,S/BL9495 1995 (28)} ) 17. ... a5 18. Kh1 axb4 
19. axb4 Rxa1 20. Rxa1 Nc6 21. Ra4 +/- {Gentes,K-Huda,R/CAN-chJ 1987 (34)}
) ( 14. Kh1 Ne7 15. Rg1 Kh8 16. Qf3 Nbc6 17. a3 Nf5 18. Ne2 b6 19. Rac1 +=
{Kruszynski,W-Gruen,P/Hamburg op 1984 (42)} ) 14. ... exf5 15. Qf3 c6 ( 
15. ... Nc6?! 16. Kh1 Kh8 17. Qf4 Be7 18. Rg1 Rg8 19. Bxf5! +/- {
Oral,T-Kantorik,M/SVK-ch 1997 (60)} ) ( 15. ... Ne7 16. Qh3! ) 16. Kh1 Kh8
? {This variation is very dangerous for black and that's the reason why 
the value of each move is extremly high.The last move of black is 
inaccuracy after which nothing can save black from the defeat.It was 
nssasary to play 16...f6 with complicated struggle:} ( 16. ... f6!? 17. e6
Bg5 □ 18. Rae1 Re8 ( 18. ... Ne7 19. Bxg5 fxg5 20. Qg3 ) 19. Bxf5! gxf5 
20. Bxg5!? ( 20. Qxf5! Ne7 ( 20. ... Bxe3 21. Rxe3 Qe7 22. Rg1+ Kh8 23. 
Rh3 Rg8 ( 23. ... Na6 24. Rxh7+ Qxh7 25. Qxf6+ ) ( 23. ... Rf8 24. Ne2 +- 
) 24. Rxg8+ Kxg8 25. Ne2 Na6 26. Nf4 Nc7 27. Rg3+ Kf8 ( 27. ... Kh8 28. 
Ng6+! hxg6 29. Qxg6 +- ) 28. Qh3! +- ) 21. Qg4 Kh8!? ( 21. ... Ng6 22. f4 
Bh4 23. Re2! ( 23. f5 Bxe1 24. fxg6 Qe7 □ ( 24. ... Bxc3? 25. gxh7+ Kh8 
26. Rg1 Qe7 27. Qg8+! +- ) 25. gxh7+ Kh8 26. Bh6!? Bxc3 ( 26. ... Qxh7 27.
 Bg7+! Qxg7 28. Qh5+ Qh7 29. Qxe8+ Qg8 30. Qh5+ Qh7 31. Qe2! +- ) 27. Rg1 
Qxh7 28. Bg7+ Kg8 =, quiet ) 23. ... f5 24. Qxf5 Bf6 25. Qg4 Kh8 26. f5 
↑ ) 22. f4! ( 22. Bxg5 fxg5 23. Qxg5 Ng8! =+ ) 22. ... Bh6 23. Qh3 Ng8 (
23. ... Bg7!? ) 24. Rg1 Bg7 25. f5 → ) 20. ... fxg5 21. Qxf5 Rf8 22. Qg4
Qf6 23. f4 Qxd4 24. Qxg5+ Kh8 25. f5 =/& ) 17. Rg1 Na6?! ( 17. ... f6!? ) 
18. Bxf5! +/- Ne7 ( {Immideatly loses} 18. ... gxf5 19. Bh6 Rg8 20. Rxg8+ 
Qxg8 21. Rg1 +- ) 19. Bc2 Ng8 ( 19. ... f5 20. Qh3 Ng8 21. Ne2 Nc7 22. Nf4
+/- ) 20. Qh3 Nc7 21. Rg4 Be7 22. Rag1 Qd7 ( 22. ... Ne6 23. f4 Ng7 24. f5
+- ) 23. f4! {White's play is very simple,logical and efficient. Black is 
helpless againgt the advance of the f-pawn.} 23. ... Rae8 24. f5 +- Bd8 
25. Ne2 b6 26. Nf4 g5!? {Permitting white to finish the game in "old" 
style.} 27. Qxh7+!! Kxh7 28. f6+ Kh6 ( 28. ... Kh8 29. Rxg5 Nh6 30. Rh5 +-
) 29. Rh4+! gxh4 30. Ne6+ Kh5 31. Bd1# 1-0

[Event "Leipzig"]
[Site "Leipzig GER"]
[Date "1976.??.??"]
[Round "1"]
[White "Vogt, Lothar"]
[Black "Neckar, Lubomir"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2330"]
[ECO "B05p"]
[EventDate "1976.??.??"]
[PlyCount "97"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. h3 Bh5 8. 
c4 Nb6 9. Nc3 O-O 10. Be3 d5 11. b3!? {Now the black knight at b6 is 
deprived of jumping to c4, but Black gets a tempo to prepare for White's 
queenside offensive. } 11. ... Nc6 12. c5 Nd7 13. b4 a6 14. Qb3 f6! 15. 
Nxd5! {The standard knight sacrifice. } 15. ... exd5 ( 15. ... fxe5!? 16. 
Nxe7+ Qxe7 17. dxe5 Bxf3 18. Bxf3 Rxf3! 19. gxf3 Ndxe5 20. f4 Nf3+ {
1-0(52) Ljubojevic, Ljubomir (2615) - Kovacevic, Vlatko (2465) / 
Rovinj/Zagreb (5), Zagreb CRO 1975} ) 16. Qxd5+ Kh8 17. e6 Bg6 18. Nh4! ( 
18. exd7 Bf7 19. Qe4 Qxd7 ) 18. ... Nxc5! ( 18. ... Ndb8 19. Nxg6+ hxg6 
20. Qc4 +/- ) 19. Nxg6+ hxg6 20. Qxd8 Rfxd8 21. dxc5 Nxb4 22. Rab1 a5 23. 
a3 Nd5 24. Rxb7 Nxe3 25. fxe3 Bxc5 26. Rxc7 Rac8 27. Rxc8 Rxc8 28. Bb5 Kg8
29. Rd1 Bxa3 30. Rd7 Kf8 31. Rf7+ Kg8 32. Kf2 Bc5 33. Kf3 Bb4 34. g4 g5 
35. Ba4 Ba3 36. Ra7 Kf8 37. Rxa5 Be7 38. Ra7 Rb8 39. Bc2 Rc8 40. Ba4 Rd8 
41. Bd7 Rb8 42. Ke4 g6 43. Bc6 Rd8 44. Rb7 Rc8 45. Bd5 Rd8 46. Kd4 Rc8 47.
 e4 Ra8 48. Rb3 Ra4+ 49. Kd3 1/2-1/2

[Event "Munich"]
[Site "Munich GER"]
[Date "1979.??.??"]
[Round "1"]
[White "Unzicker, Wolfgang"]
[Black "Dankert, Peter"]
[Result "0-1"]
[WhiteElo "2530"]
[BlackElo "2360"]
[ECO "B05p"]
[EventDate "1979.??.??"]
[PlyCount "61"]

{
http://ctart.chessok.com/course/chess-opening-semi-open-games-1-e4/alekhine-defence/modern-variation?page=4
} 
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. h3 Bh5 8. 
c4 Nb6 9. Nc3 O-O 10. Be3 d5 11. b3 ( 11. c5 Bxf3 12. gxf3 Nc8 13. f4 Nc6 
14. f5 exf5 15. Bf3 Bg5 16. Nxd5 Bxe3 17. fxe3 N8e7 18. Nxe7+ Nxe7 19. 
Bxb7 Rb8 20. Bg2 Rxb2 21. Qc1 Rb8 22. Rb1 c6 23. Rxb8 Qxb8 24. Qc4 g6 25. 
Qb3 Qd8 26. Rf2 Kg7 27. Rb2 f4 28. d5 f3 29. Bxf3 cxd5 30. Qc3 Nc6 31. Bg2
Kg8 32. Rd2 Qg5 33. Rxd5 Qg3 34. Rd1 Nxe5 35. Kf1 Re8 {1/2-1/2(36) 
Cimicki, Dariusz (2358) - Vlasveld, W Martin (2439) / WCCC30SF07(WS) (?), 
ICCF 2007} ) 11. ... Nc6 12. c5 Nc8 {This standard knight maneuver leads 
to quieter play because it excludes the destroying sacrifice on d5. } ( 
12. ... Bxf3 13. Bxf3 Nc8 14. b4 Bg5 15. b5 Na5 16. Bxg5 Qxg5 17. Be2 Ne7 
18. f4 Qh6 19. Bd3 b6 20. Kh2 Rad8 21. Qe2 f6 22. Rae1 f5 23. Rc1 g5 24. 
fxg5 Qxg5 25. Nb1 Ng6 {1/2-1/2(79) Kovalev, Andrei (2550) - Dankert, Peter
(2230) / Bundesliga 9192 (?.2), GER 1991} ) 13. b4 a6 14. Qb3 Bxf3 15. 
Bxf3 Bg5! {An exchange operation, vacating the e7-square for the knight} 
16. Rad1 Bxe3 17. fxe3 Qg5 18. Ne2 N8e7 19. Nf4 Nf5 20. Bg4 Nce7 21. Kh2 
h5 22. Bxf5 Nxf5 23. Rf3 h4! =+ 24. Qd3 c6 25. Rg1 Rae8 26. a4 a5 27. b5 
cxb5 28. axb5 Ng3 29. Ne2 Ne4 30. Nc3 Qg3+ 31. Kh1 0-1

[Event "Skopje ol (Men) fin-A"]
[Site "Skopje MKD"]
[Date "1972.10.05"]
[Round "9"]
[White "Vogt, Lothar"]
[Black "Uddenfeldt, Dan"]
[Result "1-0"]
[WhiteElo "2390"]
[BlackElo "2270"]
[ECO "B05l"]
[EventDate "1972.09.27"]

1. e4 Nf6 2. e5 Nd5 3. d4 {This system is considered to be the strongest. 
White does not hurry with the c2-c4 advance but instead completes the 
development of the kingside obtaining a stable initiative.} 3. ... d6 4. 
Nf3 ( 4. Bc4 Nb6 5. Bb3 dxe5 ( 5. ... d5 6. Qf3 {impeding the development 
of the black lightsquared bishop} ) ( 5. ... Nc6 6. e6 fxe6 7. Nf3 g6 8. 
Ng5 Bg7 9. Bxe6 Rf8 10. d5 Nd4 11. O-O Bxe6 12. dxe6 Qc8 13. Re1 h6 14. 
Nh7 Rh8 15. Qg4 Be5 16. Qxg6+ Kd8 17. f4 Qxe6 18. Qxe6 Nxe6 19. fxe5 Nd4 
20. Na3 Rxh7 21. Be3 Nf5 22. Bxb6 axb6 ) 6. Qf3 ) 4. ... Bg4 ( 4. ... Nc6 
5. c4 Nb6 6. Be2 Bg4 7. exd6 exd6 8. d5 Bxf3 9. Bxf3 Ne5 10. Be2 += ) ( 
4. ... g6 5. Bc4 ( 5. c4 Nb6 6. exd6 cxd6 ) 5. ... Nb6 6. Bb3 Bg7 ) ( 
4. ... Bf5 5. Bd3 {exchanging the lightsquared bishops with tempo,} 5. ...
 Bxd3 ( 5. ... Bg6? 6. Bxg6 hxg6 7. e6 Qc8 8. exf7+ Kxf7 9. Qd3 ( 9. c4 
Nf6 10. O-O Nc6 11. Re1 +/- ) 9. ... Qf5 10. Qb3 e6 11. Qxb7 Qxc2 12. O-O 
Qc6 13. Ng5+ Kg8 14. Qb3 Nd7 15. Re1 Rh4 +/- ) 6. Qxd3 ) ( 4. ... dxe5 5. 
Nxe5 Nd7 6. Nxf7 Kxf7 7. Qh5+ Ke6 8. g3 N7f6 9. Bh3+ Kd6 10. Qe5+ Kc6 11. 
Bg2 e6 12. c4 Kb6 13. cxd5 exd5 14. Nc3 a6 15. Nxd5+ Nxd5 16. Qxd5 +/- ) 
5. Be2 ( 5. h3 Bxf3 6. Qxf3 dxe5 7. dxe5 e6 8. Bc4 {This is the best move 
though it is not dangerous for Black. } ( 8. a3 Nd7 9. Qg3 ( 9. c4 Ne7 10.
 Qxb7 c6! ) 9. ... h5 10. h4 Ne7! ) ( 8. Bd2 Nd7 9. Qg3 Nc5 10. Nc3 Nxc3 
11. Bxc3 Ne4 { leads to the exchanges} ) 8. ... Nc6 9. Qe4 Nde7! {
equalizes chances } 10. Be3 Nf5 11. O-O Qh4! ) ( {Alekhin's pawn 
sacrificeAlekhin's pawn sacrifice} 5. c4 { leads to the double-egded 
struggle} 5. ... Nb6 6. Be2 dxe5 7. Nxe5 ( 7. c5 e4! ) 7. ... Bxe2 8. Qxe2
Qxd4 9. O-O ) 5. ... Nc6 ( 5. ... dxe5 6. Nxe5 Bxe2 7. Qxe2 Nb6! ( 7. ... 
c6? 8. Qf3 Nf6 9. Qb3 +/- ) 8. O-O N8d7 9. Rd1 { White obtains advantage} 
) ( 5. ... Nd7 6. h3 Bh5 7. Ng5 Bxe2 8. e6! ) ( {weak is} 5. ... g6 6. Ng5
Bxe2 7. Qxe2 {threatening 8. Qf3 or 8. Nxf7} ) ( 5. ... c6 6. c4 Nb6 7. 
Nbd2! dxe5 8. Nxe5! Bxe2 9. Qxe2 Qxd4 10. Ndf3 Qc5 11. a3 e6 12. Ng5 Be7 
13. Ngxf7 Nxc4 14. Nd3 Qa5+ 15. b4 Qd5 16. Nf4 Qd4 17. Nxh8 Qxa1 18. O-O 
+- Qc3 19. Qxe6 +- Nd6 20. Qg8+ Kd7 21. Rd1 Qc2 22. Qe6+ Ke8 23. Re1 Ne4 
24. Rxe4 Qxc1+ 25. Re1 Qxe1+ 26. Qxe1 +- ) ( 5. ... e6 6. O-O ( 6. c4 Nb6 
7. exd6 cxd6 ) 6. ... Be7 7. c4 Nb6 {This is one of the Alekhine defense's
tabias. Here White usually either exchanges on d6, or drives away the 
black bishop by h2-h3. } 8. exd6 cxd6 9. Nc3 O-O 10. Be3 Nc6 11. d5! Bxf3 
12. Bxf3 Ne5 13. dxe6 fxe6 14. Bg4 Nexc4 15. Bxe6+ Kh8 16. Bxb6 Nxb6 17. 
Qb3 Bf6 {White has obvious advantage (Timman - Bagirov 1971.} ) 6. O-O ( 
6. c4 Nb6 7. exd6 exd6 { see Smyslov - Spassky} ) ( 6. h3 Bxf3 7. Bxf3 
dxe5 8. dxe5 e6 9. O-O Ndb4! +/- 10. Nd2 Nxe5 11. Bxb7 Rb8 12. Be4 f5 13. 
a3 Nbc6 14. Bxc6+ Nxc6 15. Re1 Qd7 16. Qe2 Bd6 17. Nf3 e5 18. Nxe5 Bxe5 
19. Bf4 O-O 20. Bxe5 Rfe8 21. Qc4+ Qe6 22. Qxe6+ Rxe6 23. Bc3 +/- ) 6. ...
 e6 ( 6. ... g6 7. e6! fxe6 8. Ng5! Bxe2 9. Qxe2 Nxd4 10. Qd3! {and White 
develops a dangerous attack} ) ( 6. ... Nb6 7. exd6 ( 7. h3 ) 7. ... exd6 
8. h3 Bf5 9. Bd3 Bxd3 10. Qxd3 += Be7 11. Re1 O-O 12. Nc3 ) 7. c4 Nb6 ( 
7. ... Nde7 8. exd6 Qxd6 9. Nc3! Bxf3 10. Bxf3 Qxd4 11. Nb5 Qxd1 12. Rxd1 
Rc8 13. Bf4 e5 14. Bxe5 Nxe5 15. Bxb7 f6 16. Bxc8 Nxc8 17. Nxc7+ Kf7 18. 
Rac1 +/- Nd6 19. c5 Ne4 20. b4 Be7 +- ) 8. exd6 cxd6 9. d5! ( 9. Be3 d5! 
10. c5 Bxf3 11. Bxf3 Nc4 {with acceptable position for Black} ) 9. ... 
exd5 10. cxd5 Bxf3 11. gxf3 Ne5 12. Bb5+ Ned7 13. Qd4 Qf6 14. Re1+ Be7 15.
 Qxf6 gxf6 16. Nc3 a6 ( 16. ... Kd8 17. f4 { White obtains advantage} ) ( 
16. ... Rg8+ 17. Kf1 a6 18. Be2 ) 17. Be2 Ne5 18. f4 Rg8+ 19. Kf1 Ng4 20. 
Bd3 f5 21. Bxf5 Nxh2+ 22. Ke2 Ng4 23. Bxh7 Rh8 24. Rh1 Nf6 25. Be4 O-O-O 
26. Rxh8 Rxh8 27. Bf3 Rh2 28. b3 Nbd7 29. Be3 Nh5 30. Rg1 f5 31. Kd3 Rh3 
32. Bxh5 Rxh5 33. Ne2 Rh7 34. Rg8+ Nf8 35. Ng3 Rf7 36. Rh8 Kd7 37. Rh5 Nh7
38. Rxf5 Rxf5 39. Nxf5 Nf6 40. Nxe7 Kxe7 41. Kd4 Kf7 42. f5 1-0

[Event "Sousse Interzonal"]
[Site "Sousse TUN"]
[Date "1967.??.??"]
[Round "12"]
[White "Gipslis, Aivars"]
[Black "Larsen, Bent"]
[Result "0-1"]
[WhiteElo "2586"]
[BlackElo "2610"]
[ECO "B03q"]
[EventDate "1967.10.??"]

{
http://ctart.chessok.com/course/chess-opening-semi-open-games-1-e4/alekhine-defence/exemplary-games
} 
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Be3 O-O 
8. Be2 Nc6 9. Nf3 Bg4 10. b3 Bf6 11. O-O d5 12. c5 Nc8 13. b4 {Here this 
move is futile. It is possible in the variation 5... cxd6, since the pawn 
storm on the queenside that follows results in forming a passed pawn. } ( 
13. h3 { is better} ) 13. ... N8e7 14. b5 Na5 15. h3 Bxf3 16. Bxf3 c6 {
"Black's position is attractive because of the lack of weaknesses that can
become a target of attack. Now the black d5-pawn is reliably protected, 
while the white d4-pawn is a clear target of attack. Black is already 
somewhat better" (B. Larsen). } 17. Qd3 Nc4 18. Bf4 Ng6 19. Bh2 Bg5 {Black
seizes space on the kingside clearing a road for the queen, while the 
black g6-knight is prepared to occupy the f4-square. 
} 20. bxc6 bxc6 21. Bd1 Bf4 22. Bc2? ( {White should play} 22. Bb3! ) 
22. ... Bxh2+ 23. Kxh2 Qf6 24. g3 {White prevents the black knight's 
invasion to f4 but weakens his king's position. } 24. ... Rfe8 25. Kg2 Qg5
! 26. Kh2? {Black tried to force the white f-pawn's advance that would 
weaken the white king's position even more. } ( {However, White tries to 
avoid} 26. f4 {and overlooks Black's reply} ) 26. ... Nb2 27. Qf3 Qd2 {Now
it is impossible to hold the d4-pawn. } 28. Bxg6 hxg6 29. Nd1 Nc4 30. Qc3 
Rab8 31. Rc1 Re4 32. Rc2 Qxd4 33. Qxd4 Rxd4 34. Re1 a5! {Black displays 
perfect technique. Having won a pawn, it is not worth trying to win 
another one if this would give the opponent some counter chances.} ( 
34. ... Rb5 35. Re8+ Kh7 36. Ne3 Rxc5 37. Re7 {Black's victory seems 
rather problematic.} ) 35. Kg2 a4 36. Nc3 a3 37. Na4 g5 38. Re7 Rb4 39. 
Nb6 Rb2 40. Rc3 Rxa2 41. Nxc4 dxc4 42. Rc7 Rdd2 43. Rf3 c3 0-1

[Event "Asztalos Memorial"]
[Site "Baja"]
[Date "1971.??.??"]
[Round "1"]
[White "Polgar, Istvan"]
[Black "Bagirov, Vladimir"]
[Result "0-1"]
[WhiteElo "2424"]
[BlackElo "2530"]
[ECO "B03h"]
[EventDate "1971.05.??"]

1. e4 Nf6 {Among the experts and advocates of the Alekhine defense, 
especially significant theoretical and practical contribution into its 
theory has been made by master N. Kopylov, grandmasters V. Mikenas, B. 
Larsen and Vladimir Bagirov. } 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 {
According to V. Mikenas, if the refutation of the Alekhine defense exists,
then it should be searched for only in the "four pawns variation". } 
5. ... Bf5 6. Nc3 dxe5 7. fxe5 e6 8. Nf3 Bb4 {This new move was suggested 
by R. Keene in a response to 8.¥e3. Black prepares for the c7-c5 counter 
strike in a favorable situation, while preventing White's standard 
breakthrough d4-d5. } 9. Be2 {This is quite acceptable continuation.} ( 9.
 Qb3 c5 10. Bg5 Qc7 11. O-O-O Bxc3 12. Qxc3 Na6 ( 12. ... cxd4 13. Nxd4 
Qxe5? 14. Nxf5 ) 13. Qa5?! ( 13. b3! ) 13. ... O-O 14. Be3?! Rac8 ( 
14. ... Qc6! 15. Nh4 Qe4 16. Nxf5 exf5 17. Qd2 Nb4 ) 15. dxc5 Nxc5 16. 
Bxc5 Qxc5 17. Qxc5 Rxc5 18. b3 Nd5 19. Kb2 Ne3 20. Rd7 Be4 {1-0(41) 
Estrin, Yakov (2449) - Schmidt, Wlodzimierz (2464) / Rubinstein Memorial 
09th (12), Polanica Zdroj POL 1971} ) ( 9. a3 Bxc3+ 10. bxc3 c5 11. Be3 
O-O 12. a4? Nc6 13. Be2 Na5 {with counter play for Black} ) 9. ... c5 10. 
Bg5 {White should not define the position of his queen's bishop.} ( {
Instead, a simple continuation} 10. O-O {deserved attention. For example,}
10. ... cxd4 11. Nxd4 Bc5 12. Be3 Bxd4 13. Bxd4 Nc6 14. Nb5 Nxd4 15. Nxd4 
Bg6 16. c5 Nd7 17. Bb5 {with advantage to White.} 17. ... a6 18. Ba4 Qc7 
19. c6 bxc6 20. Nxc6 Nc5 21. Rc1 Nxa4 22. Qxa4 O-O += ) 10. ... Qd7 11. 
Qd2? {Here too, White should rather have castled. Now Black quickly 
obtains the advantage. } 11. ... Nc6 12. a3 Bxc3 13. bxc3 Na5! 14. Rd1 ( 
14. dxc5 {will be followed with} 14. ... Nb3 15. Qxd7+ Nxd7 ) 14. ... h6 (
14. ... Nbxc4 {would have been simpler} 15. Qa2 Qd5 ) 15. dxc5 Qxd2+ ( 
15. ... hxg5 16. Qxg5! ) 16. Bxd2 Nbxc4 17. Nd4 Rc8 18. c6 {This is quite 
an obvious trap. } 18. ... bxc6 ( 18. ... Nxc6? 19. Nxf5 ) 19. O-O ( 19. 
Nxf5 exf5 20. O-O g6 {Black also retains an extra pawn in an active 
position. The white bishops are deprived of their operative freedom} ) 
19. ... Bh7 20. Bh5 O-O 21. Bf4 Nb2 ( 21. ... Nxa3 22. Ne2 Rc7 ) 22. Rde1 
Nd3 23. Re2 Rb8 24. c4 Nxf4 25. Rxf4 Rb1+ ( 25. ... Nxc4 26. Nxc6 Rb7 27. 
Bf3 ) 26. Kf2 Bd3 27. Re1 Rb2+ 28. Kg1 c5 ( 28. ... Bxc4 29. Nxc6 { leads 
to a simplification which is beneficial for White.} ) 29. Nb5 g6 30. Bf3 
Nxc4 31. Nxa7 Nxa3 {Black's dangerous passed pawn secures him an easy 
victory. White can already resign but does not because of time trouble. 
} 32. Ra4 Nc4 33. Nc6 Nd2 34. Be2 Bxe2 35. Rxe2 Kg7 36. Ra7 Rc8 37. Ne7 
Rd8 38. Nc6 Rd3 39. Re1 c4 40. Rc7 c3 0-1

[Event "Moscow PCA-Intel qual"]
[Site "Moscow RUS"]
[Date "1995.??.??"]
[Round "1"]
[White "Morozevich, Alexander"]
[Black "Bagirov, Vladimir"]
[Result "1-0"]
[WhiteElo "2605"]
[BlackElo "2530"]
[ECO "B03l"]
[EventDate "1995.??.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 {This is one of the most 
unpleasant systems for Black.} 5. ... Bf5 {In this variation Black keeps 
his queen's knight on b8 for a while and undermines White's pawn center 
with the move c7-c5. } 6. Nc3 e6 7. Nf3 dxe5 8. fxe5 Bb4 9. Bd3 c5 {After 
having allowed White to form a strong pawn center, Black tries all ways to
undermine it and to obtain counter play. However, Black's task is not 
simple. } 10. Bxf5 exf5 ( 10. ... cxd4 {does not help Black too:} 11. a3!?
Bxc3+ 12. bxc3 exf5 13. cxd4 +/- ) 11. Bg5 Qd7 12. O-O O-O ( 12. ... cxd4?
13. e6! fxe6 14. Ne5 {next 15.Qh5 - a standard strike in positions of this
kind} ) 13. d5! {In no way should Black may be allowed to capture on d4.} 
13. ... Nxc4 ( 13. ... Bxc3 14. bxc3 Nxc4 15. Qd3! {with the idea of 
Nh4-f5, White also obtains a dangerous attack. For example, } 15. ... Nb6 
16. Rad1 Na6 17. Nh4 +/- ) 14. Qe2 Bxc3 15. Qxc4 Bxb2 16. Rab1 ( 16. e6! {
is also very strong.} ) 16. ... Bd4+ 17. Nxd4 cxd4 18. e6 {White's mighty 
passed pawn on e6 together with better development compensate for the 
material damage. } 18. ... fxe6 19. dxe6 Qc8 20. Qd5 ( {On b3 the white 
queen interposes the b1-rook's line of action and} 20. Qxd4 {allows } 
20. ... Nc6 ) 20. ... Qc6 {Black tries to chase the white queen. } 21. 
Qxd4 Qxe6 22. Rxb7 {White has sacrificed the pride of his position, the e6
pawn, obtaining in return the possibility of attacking the black king with
all of his pieces. } 22. ... Qg6 23. Bc1! {This is the deciding maneuver. 
The white bishop is transferred to the main diagonal, where it will be 
positioned in the most active way, targeting the g7-point. } 23. ... Nc6 
24. Qd5+ Kh8 25. Bb2 Rad8 ( {After the more stubborn} 25. ... Rg8 {White 
also wins beautifully: } 26. Rxf5! Rab8 ( 26. ... Rad8 27. Rxg7! Rxg7 28. 
Qxd8+ Nxd8 29. Rf8# ) 27. Bxg7+! Rxg7 28. Rxb8+ Nxb8 29. Rf8+ Rg8 30. 
Rxg8+ Qxg8 31. Qe5+ Qg7 32. Qxb8+ ) 26. Rxg7! Rxd5 27. Rxg6+ Nd4 28. Rg4! 
1-0

