[Event "URS-ch46 First League"]
[Site "Ashkhabad"]
[Date "1978.??.??"]
[Round "4"]
[White "Alburt, Lev O"]
[Black "Tukmakov, Vladimir B"]
[Result "0-1"]
[ECO "A71"]
[WhiteElo "2510"]
[BlackElo "2560"]
[Annotator "Bulletin"]
[PlyCount "84"]
[EventDate "1978.10.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[EventCategory "10"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5
h6 9. Bh4 a6 $1 (9... g5 10. Bg3 Nh5 11. Bb5+ Kf8 12. e5 $1 $16) 10. Nd2 b5 11.
a4 (11. Be2) 11... b4 12. Ncb1 O-O (12... Qe7 13. Bd3 g5 $5 14. Bg3 Nxd5 15.
Nc4 Nf4 16. Bxf4 gxf4 17. Nb6 Bb7 18. Nxa8 Bxa8 $13 {Botterill-Fedorowicz,J/
Hastings/1977/}) 13. Bd3 Re8 (13... Ra7 $2 14. O-O g5 15. Bg3 Re7 16. a5 $16 {
Diesen-Robatsch,K/Karlovac/1977}) 14. O-O Nbd7 (14... Qc7 15. Qc2 Nbd7 16. Nc4
b3 $1 17. Qxb3 Nxe4 18. Bxe4 Rxe4 19. Bg3 Rb8 20. Qc2 Rxc4 $1 $15 {
Veresov-Suetin,A/BLA/1961/}) 15. Re1 Ne5 16. Bf1 g5 17. Bg3 Ra7 18. Ra2 Rae7
19. b3 Nh5 $1 20. Bxe5 (20. Qxh5 Bg4) 20... Rxe5 21. g3 (21. Qxh5 g4) 21... g4
22. Bg2 f5 23. f4 R5e7 24. Kh1 Bd4 25. Qc2 Nf6 26. Qd3 Kg7 (26... Nxd5 $2 27.
Qc4) 27. Rc2 Nxd5 $17 28. Rc4 Nf6 29. Rxd4 cxd4 30. Qxd4 Bb7 31. Kg1 Bxe4 32.
Bxe4 d5 33. Qxb4 fxe4 34. Qd4 e3 35. Nf1 Re4 36. Qa7+ Qe7 37. Qxa6 Qb4 38. Qe2
Qxb3 39. h3 d4 40. hxg4 d3 41. Qf3 d2 42. Rd1 Qxd1 0-1

[Event "CRO-ch"]
[Site "Pula"]
[Date "2000.01.17"]
[Round "11"]
[White "Hulak, Krunoslav"]
[Black "Zelcic, Robert"]
[Result "0-1"]
[ECO "A71"]
[WhiteElo "2495"]
[BlackElo "2529"]
[Annotator "Hecht,H"]
[PlyCount "112"]
[EventDate "2000.01.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRO"]
[EventCategory "8"]
[SourceTitle "CBM 075"]
[Source "ChessBase"]
[SourceDate "2000.04.05"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bg5
h6 9. Bh4 a6 10. Nd2 O-O 11. a4 Re8 12. Be2 Nbd7 13. O-O g5 14. Bg3 Ne5 15. f4
gxf4 16. Bxf4 Nh7 17. Qe1 Ng6 18. Bg3 Ne5 19. Kh1 Rf8 20. Nc4 Nxc4 21. Bxc4 Qb6
22. a5 Qb4 23. Bd3 c4 24. Be2 Qxb2 25. e5 Bd7 26. Rb1 Qa3 27. Rxb7 Bc8 28. Re7
dxe5 29. Rxe5 Bb7 30. Bh5 Nf6 31. Bd1 Nd7 32. Re3 Qc5 33. Bh4 f6 34. Re7 Rad8
35. Bg4 Bc8 36. Be6+ Kh8 37. Rxg7 Kxg7 38. Qg3+ Kh8 39. Ne4 Qe7 40. Nd6 Qg7 41.
Nxc8 Rxc8 42. Qxg7+ Kxg7 43. Bxd7 Rc5 44. Bc6 c3 45. Bg3 c2 46. Rc1 Rd8 {
[%csl Rd1][%cal Rc5c6,Rd8d5] Taktik mit zwei Tьrmen - einfache Technik bei
einem Turm} 47. Rxc2 (47. Bb7 Rdxd5 48. Bxd5 Rxd5 $19) (47. Kg1 Rxc6 48. dxc6
Rd1+ $19) 47... Rxc2 48. Kg1 Rd2 49. Bc7 R8xd5 50. Bxd5 Rxd5 51. Kf2 Kf7 52.
Kf3 Ke7 53. g4 Kd7 54. Bb6 Rb5 55. Ke4 Rxb6 56. axb6 Kc6 0-1

[Event "ISR-ch"]
[Site "Jerusalem"]
[Date "1996.??.??"]
[Round "3"]
[White "Mikhalevski, Alexander"]
[Black "Psakhis, Lev"]
[Result "0-1"]
[ECO "A71"]
[WhiteElo "2460"]
[BlackElo "2590"]
[Annotator "Psakhis,L"]
[PlyCount "60"]
[EventDate "1996.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISR"]
[SourceTitle "CBM 056"]
[Source "ChessBase"]
[SourceDate "1997.02.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.02.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. e4 Bg7 8. Bg5
h6 9. Bh4 a6 10. Nd2 b5 11. Be2 Nbd7 12. O-O O-O 13. a4 b4 14. Ncb1 Re8 15. f4
Qc7 16. Bf3 c4 {N/} (16... Rb8 17. Qc2 $5 (17. Re1 c4 (17... a5 $5 18. Nc4 Ba6
19. Nbd2 Nb6 $13 {0-1 Sjoberg,M-Cramling,D/SVE-ch 1979 (37)}) 18. Qc2 c3 19.
bxc3 bxc3 20. Nxc3 (20. Qxc3 Qxc3 (20... Nxd5 $1 21. Qxc7 Nxc7 22. Ra2 Ne6 $15)
21. Nxc3 Nh5 22. Ne2 Bxa1 23. Rxa1 $36 {Basin,L-Psakhis,L/Leningrad/1979/0,5/
46/}) 20... Nxd5 (20... Nh5 $5) 21. exd5 Rxe1+ 22. Rxe1 Qxc3 23. Qxc3 Bxc3 24.
Re8+ Kg7 25. Ne4 (25. Nc4) 25... Rb1+ 26. Kf2 Be1+ 27. Ke3 Bxh4 28. Rxc8 Nb6
$36) 17... b3 18. Qc1 $14 (18. Nxb3 Qb6 19. N3d2 (19. N1d2 c4+) 19... Qxb2 20.
Ra2 $10)) 17. e5 (17. Qc2 $5 Nc5 (17... c3 18. bxc3 bxc3 19. Ra3) (17... b3 18.
Qc1) 18. Qxc4 a5 (18... Ng4 19. Bxg4 Bxg4 $44) 19. Rc1 Ba6 20. Qc2 Rac8 $44 (
20... Qd7 21. e5)) 17... c3 (17... Nxd5 $2 18. Nxc4 $18) 18. bxc3 (18. exf6
Bxf6 $5 (18... Nxf6 $5 19. bxc3 (19. Bxf6 Bxf6 (19... c2 $5) 20. Ne4 Rxe4 21.
Bxe4 cxb2 22. Ra2 Qc4 $1 $19) 19... bxc3 20. Qc2 Ng4 $1 21. Ne4 (21. Bxg4 Bxg4
22. Ne4 Rxe4 23. Qxe4 c2 24. Na3 Bxa1 25. Nxc2 Bf5 $17) 21... Bd4+ (21... Ne3
22. Qe2 Rxe4 $1 23. Bxe4 Nxf1 24. Ra2 Nd2 25. Nxd2 cxd2 26. Rxd2 Rb8 $15) 22.
Kh1 Ne3 23. Qd3 c2 24. Nbc3 (24. Qxd4 Rxe4 (24... c1=Q 25. Nf6+ Kf8 26. Rxc1
Qxc1+ 27. Bd1 Nxd1 28. Nh7+ Kg8 $10) 25. Qc3 Rc4 (25... Qxc3 26. Nxc3 Rc4 27.
Bf6 Nxf1 28. Rxf1 Rxf4 29. Be7 Rc4 30. Bf6 Bf5 $19) 26. Qxe3 c1=Q 27. Nd2 (27.
Rxc1 Rxc1+ 28. Be1 Bf5 $19) 27... Qc3 28. Nxc4 Q7xc4 29. Qe8+ Kg7 $19) 24...
Rxe4 25. Nxe4 Nxf1 26. Rc1 $18) (18... c2 19. Qc1 Nxf6 20. Bxf6 $140 Qb6+ (
20... Bxf6 21. Ne4 Bd4+ 22. Kh1) 21. Kh1 (21. Rf2 cxb1=Q 22. Rxb1 Bxf6) 21...
cxb1=Q 22. Rxb1 Bxf6 23. Qc6 Qxc6 24. dxc6 Bf5) 19. Bxf6 c2 20. Qc1 Nxf6 $15)
18... bxc3 19. Qc1 $6 (19. exf6 $5 Nxf6 $5 (19... c2 20. Qc1 Bxf6 21. Bxf6 Qa7+
22. Kh1 cxb1=Q 23. Rxb1 Nxf6 24. Qc6 $36) (19... Bxf6 20. Bxf6 Nxf6 21. Nb3 c2
22. Qd4 cxb1=Q 23. Raxb1 Qd8 $10) 20. Qc1 (20. Qc2 Ng4 $1 {-18.ef Nf6 19.bc bc}
) (20. Nb3 $2 c2 21. Qd2 Qb6+ 22. Nd4 Ne4 $1 $19) 20... Qb6+ (20... Ng4 $5 21.
Nxc3 (21. Ne4 c2 22. Nbd2 Bd4+ 23. Kh1 Bxa1 24. Qxa1 f5 $132)) 21. Bf2 cxd2 22.
Qxd2 Qd8 $10) 19... Nxd5 $1 (19... Qb6+ 20. Bf2 cxd2 21. Qxd2 Qd8 22. exf6 Nxf6
23. Bd4 Bf5 24. Nc3 Rc8 $10) 20. Bxd5 Qc5+ 21. Kh1 Qxd5 22. Nxc3 Qe6 23. exd6
$6 (23. Nce4 dxe5 24. Qc7 exf4 (24... Qb6 $5 25. Rac1 (25. Qxb6 Nxb6 26. a5 Nd5
) 25... Qxc7 26. Rxc7 Nb6 (26... exf4 27. Nd6 Re2 28. N2c4 $1) 27. Nd6 Re6 $13)
25. Rae1 Be5 26. Nd6 Bb7 $1 27. Rxe5 $5 (27. Nxe8 Bxg2+ 28. Kxg2 (28. Kg1 Bxf1)
28... Qg4+ (28... Rxe8 29. Qc4 $1 Qg4+ 30. Bg3) 29. Bg3 (29. Kh1 Bxc7 30. Nxc7
Qxh4 31. Nxa8 Qd8 $17) 29... Bxc7 30. Nxc7 fxg3 31. Nxa8 gxh2+ 32. Kh1 Qxa4 33.
Rc1 Ne5 34. Nb6 Qh4 $17) (27. N2c4 Ra7) 27... Nxe5 (27... Bxg2+ 28. Kxg2 Qg4+
29. Bg3 Rxe5 30. Rxf4) 28. Nxe8 (28. Nxb7 Qd5 $1 29. Nd6 (29. Nf3 Nxf3 30. gxf3
Ra7 $19) 29... Qxd2 30. Nxe8 Rxe8 $19) 28... Bxg2+ 29. Kxg2 Rxe8 $17) (23. Nde4
$5 dxe5 24. fxe5 Qxe5 $5 (24... Nxe5 25. Nf6+ Bxf6 26. Rxf6 $1 (26. Bxf6 Ng4
27. Bd4 Bb7 $19 {[%cal Rb7g2]}) 26... Qc4 27. Rf4 Qd3 28. Ne4 Nd7 29. Nf2 $1 (
29. Qf1 Qxf1+ 30. Raxf1 g5 31. Nd6 Re6 $19) 29... Qd5 30. Ng4 Qh5 31. Qc6 Rb8
32. Re1 $1 (32. Qxd7 Bxd7 33. Nf6+ Kg7 34. Nxh5+ gxh5 $15) 32... Rxe1+ 33. Bxe1
$36) 25. Bg3 Qa5 (25... Qe6 26. Nd6 Re7) 26. Qf4 (26. Rb1 Re6 $17) 26... Ne5
$17) 23... Bb7 $1 (23... Qxd6 24. Rb1 $15) 24. Rb1 Bc6 25. Nf3 (25. Be7 $5 Rac8
26. Rb3 (26. f5 gxf5) 26... Nc5 (26... Bxa4 27. Ra3 (27. Nxa4 Rxc1 28. Rxc1 Bf6
$19) 27... Bc6 $15) (26... Qg4 27. Nf3) 27. Ra3 (27. f5 gxf5 28. Ra3 Nb7 $5 $17
) 27... Qg4 (27... Nd3 28. Qb1 (28. f5 Qe3) 28... Bxg2+ 29. Kxg2 Rxc3 30. Rxc3
Qd5+ 31. Kg3 Bxc3 32. Qb3 $1 Qd4 $40) (27... Nb7 $5 28. Re1 Qg4) 28. Nf3 Nd3
29. Qd2 Nxf4 $17) 25... Qxd6 26. Rd1 Qe6 $17 27. Nd4 $2 $138 Bxd4 28. Rxd4 Qh3
$1 29. Nd5 Qxh4 30. Nc7 (30. Qxc6 Re1+) 30... Bxg2+ (30... Bxg2+ 31. Kg1 Re2
$19) 0-1

[Event "Beersheba"]
[Site "Beersheba"]
[Date "1993.??.??"]
[Round "6"]
[White "Mikhalevski, Alexander"]
[Black "Gurevich, Dmitry"]
[Result "1-0"]
[ECO "A71"]
[WhiteElo "2440"]
[BlackElo "2575"]
[Annotator "Stohl,I"]
[PlyCount "123"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "12"]
[SourceTitle "CBM 038"]
[Source "ChessBase"]
[SourceDate "1994.02.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.02.01"]
[SourceQuality "1"]

1. d4 {Ernst} Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7
8. Bg5 a6 (8... O-O 9. Nd2 b6 10. Be2 a6 11. a4 Ra7 12. O-O h6 13. Bh4 Rb7 14.
f4 Qd7 15. Nc4 b5 16. axb5 axb5 17. Nxd6 Qxd6 18. e5 Qb6 19. exf6 c4+ 20. Rf2
Bxf6 21. Bxf6 Qxf6 22. Ne4 Qb6 23. Qd2 $36 {Cvitan,O-Koenig,W/Biel op/1993/})
9. Nd2 h6 10. Bh4 b5 11. Be2 (11. a4 b4 12. Ncb1 O-O 13. Bd3 Re8 $1 (13... g5
14. Bg3 Qe7 15. O-O Nbd7 16. Nc4 Ne8 17. Nbd2 Ne5 18. Nxe5 Bxe5 19. Bxe5 Qxe5
20. Nc4 $16 {Matamoros,C-Guterriez,JA/Bayamo/1989/}) (13... Nbd7 14. Nc4 Nb6
15. Nxb6 Qxb6 16. Nd2 Re8 17. O-O Ng4 18. Nc4 Qc7 19. f4 a5 20. Qf3 h5 21. h3
Nh6 22. f5 $1 $40 {Sorin,A-Gonzales,B/Capablanca mem II/1993/}) 14. O-O Nbd7
15. Re1 (15. f4 $5 $13) 15... Ne5 16. Bf1 g5 17. Bg3 Ra7 18. Ra2 Rae7 19. b3
Nh5 $3 20. Bxe5 Rxe5 21. g3 {Alburt,L-Tukamakov,V/USSR/1978/} Nf6 22. Bg2 R5e7
$1 23. Rf1 a5 $17) 11... Nbd7 (11... b4 12. Na4 O-O 13. O-O Bd7 14. a3 Bb5 15.
Re1 Nbd7 16. Bg3 Ne8 17. Nc4 Ndf6 18. f3 Nh5 19. Bf2 Nf4 20. axb4 Qg5 21. g3
Nxe2+ 22. Qxe2 cxb4 $13 {Mohr,S-Wahls,M/Budapest/1988/}) (11... O-O 12. O-O Re8
13. Qc2 b4 14. Na4 Bd7 15. Rae1 Bb5 16. f4 (16. Bc4 $1 $14 {Ernst Volkov,
S-Ruban,V/Smolensk/1991/}) 16... Nbd7 17. b3 Qc7 18. Bc4 Nh7 19. Bg3 g5 20. Kh1
gxf4 21. Bxf4 Nhf8 22. Nf3 Ng6 23. Bg3 Nde5 24. Nb2 Qd8 $13 {Borges Mateos,
J-Pigusov,E/Santa Clara/1991/}) 12. O-O c4 $5 $146 (12... O-O 13. Qc2 c4 14. a4
Rb8 15. axb5 axb5 16. b4 g5 17. Bg3 Ne5 18. Ra5 Bd7 19. Nf3 Nxf3+ 20. Bxf3 Ne8
21. h3 Bd4 22. Ne2 Bb6 23. Raa1 Qe7 24. Qc3 f5 25. exf5 Ng7 $1 $36 {Taimanov,
M-Tringov,G/Plovdiv/1984/}) 13. a4 Rb8 (13... b4 $2 14. Ncb1 $16) 14. axb5 axb5
15. b4 $1 g5 (15... cxb3 $2 16. Nxb3 b4 17. Nb5 $16) 16. Bg3 Ne5 17. Ra5 (17.
Bxe5 $6 {Ernst} dxe5 $15) 17... Bd7 18. Qc2 (18. Ndb1 $5 Rb7 19. Na3 Qb8 20.
Nc2 {/\Nd4,f4|^}) 18... O-O 19. Rfa1 Ne8 $132 {/\f5} 20. Nf1 f5 $1 (20... Nc7
21. Ne3 $16 {><f5,>>}) 21. exf5 Bxf5 22. Qd2 Nd3 (22... Qd7 $6 23. Ne3 Bd3 24.
Bxe5 $1 $16) 23. R1a3 Nf6 (23... Nc7 $5 24. Ne3 Bg6 $132) (23... Nxb4 24. Rxb5
$5 (24. Nxb5 Nd3 25. Ne3 c3 26. Nxc3 Rb2 27. Qd1 Bxc3 28. Ra8 $1 $13 {[]})
24... Rxb5 (24... Bxc3 25. Rxb8 Bxd2 26. Rxd8 $18) 25. Nxb5 Nd3 26. Ne3 $16)
24. Ne3 Ne4 (24... Bg6 $5 $13) 25. Nxe4 Bxe4 26. Bg4 Nf4 (26... c3 $6 27. Be6+
Kh7 28. Rxc3 Bxc3 29. Qxc3 $44 {->}) 27. Bxf4 $6 (27. h4 $5 $13) 27... gxf4 28.
Be6+ Kh8 29. Ng4 Qg5 $1 (29... c3 $2 30. Rxc3 $16) (29... h5 $6 30. Rh3 $36)
30. Ra7 Bd3 (30... f3 $5 31. Qe1 $13) (30... c3 $2 {Ernst} 31. Rxc3 $18) (30...
h5 {Ernst} 31. f3 $16) 31. h4 Qg6 (31... Qxh4 32. Rxg7 (32. Rc7 $44 {Ernst})
32... Kxg7 33. Ra7+ Kg6 34. Qc3 $44 (34. Qc3 Rf6 35. Nxf6 Qxf6 $13)) 32. Rc7 h5
(32... Ra8 {/\} 33. Rxa8 Rxa8 34. Qxf4 $1 h5 35. Ne3 Ra1+ 36. Kh2 Be5 37. Rc8+
Kg7 38. Rc7+ $10) 33. Raa7 Rg8 (33... Bd4 $142 34. Rh7+ Qxh7 35. Rxh7+ Kxh7 36.
Nh2 $15 {/\Nf3<=>}) 34. Bxg8 Rxg8 35. Nh2 $8 Be4 (35... Bc3 $4 36. Qxc3+ $18) (
35... c3 36. Qxf4 $132 (36. Rxc3 $2 Bd4 $1 $19)) 36. f3 Bd3 37. Qxf4 Be5 38.
Rh7+ (38. Qd2 $5 Bd4+ (38... c3 39. Rxc3 Bf4 40. Rh7+ $1 $16) (38... Qg3 {Ernst
} 39. Nf1 Bd4+ 40. Kh1 Qxh4+ 41. Nh2 Be5 42. g3 Qxg3 $19) 39. Kh1 Bxa7 40. Rxa7
$13) 38... Qxh7 39. Rxh7+ Bxh7 40. Qe3 c3 41. f4 Bg7 $44 42. Nf3 Rc8 (42... c2
43. Ne1 Rc8 44. Nxc2 Bxc2 45. Qe6 $132) 43. Nd4 Bg8 $2 (43... Bxd4 $6 44. Qxd4+
Kg8 45. Qf6 $16 (45. Qf6 {Ernst} Rc4 46. Qe6+ Kh8)) (43... c2 {-42.... c2}) (
43... Rc4 $2 44. Qe8+ Bg8 45. Qxh5+ Bh7 46. Qe8+ Bg8 47. Nc2 $16) 44. Nc2 Bxd5
45. Qe2 $1 $16 Kg8 46. Qxb5 Bf7 (46... Be4 47. Qd7 {/\Qe6+-}) 47. Qd7 Ra8 48.
Qxd6 Ra2 (48... Bb3 49. b5 $1 $16) 49. Qd8+ Kh7 50. Qd3+ Kg8 (50... Bg6 51. f5
$18) 51. b5 Rb2 (51... Bb3 52. b6 $1 Rxc2 (52... Bxc2 53. Qc4+ $18) 53. b7 $18)
52. b6 $1 Bf6 (52... Rxb6 $2 53. Qd8+ $18) 53. Qd6 Bxh4 (53... Kg7 54. Ne3 {/\}
c2 55. Nxc2 Rxc2 56. b7) 54. g3 $18 Bxg3 $8 55. Qd8+ Kg7 (55... Kh7 56. Qd3+)
56. Qg5+ Kf8 57. Qc5+ $1 Ke8 58. Qxc3 Rb1+ 59. Kg2 Bxf4 60. Nb4 Rb3 (60... Rc1
61. Qh8+ Kd7 62. b7 $18) 61. Qd4 Be3 62. Qe5+ (62. Qe5+ Kd7 (62... Kf8 63. b7
Rxb4 64. Qd6+) 63. Qb5+ {/\b7+-}) 1-0

[Event "Beersheba"]
[Site "Beersheba"]
[Date "1996.??.??"]
[Round "5"]
[White "Mikhalevski, Alexander"]
[Black "Yudasin, Leonid"]
[Result "1-0"]
[ECO "A71"]
[WhiteElo "2435"]
[BlackElo "2635"]
[Annotator "Stohl,I"]
[PlyCount "59"]
[EventDate "1996.03.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "10"]
[SourceTitle "CBM 053"]
[Source "ChessBase"]
[SourceDate "1996.08.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.08.01"]
[SourceQuality "1"]

1. d4 {Bykhovsky,Av Petursson} Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6.
Nc3 g6 7. e4 Bg7 8. Bg5 h6 (8... a6 9. Nd2 h6 10. Bh4 b5 11. Be2 (11. a4 $5 b4
12. Ncb1 O-O 13. Bd3 g5 14. Bg3 Qe7 15. O-O Nbd7 16. Nc4 Ne8 17. Nbd2 Ne5 18.
Bxe5 Bxe5 19. Nxe5 Qxe5 20. Nc4 Qf6 21. Nb6 Rb8 22. Nxc8 Rxc8 23. Bxa6 Ra8 24.
Qe2 Qe5 25. Bb7 Ra5 26. Rfe1 Nf6 27. Bc6 $16 {Matamoros,C-Gutierrez,JA/Bayamo/
1989/}) 11... Nbd7 12. O-O c4 13. a4 Rb8 14. axb5 axb5 15. b4 g5 16. Bg3 Ne5
17. Ra5 Bd7 18. Qc2 O-O 19. Rfa1 Ne8 20. Nf1 f5 21. exf5 Bxf5 22. Qd2 Nd3 23.
R1a3 Nf6 24. Ne3 Ne4 25. Nxe4 Bxe4 $13 {Mikhalevski,A-Gurevich,D/Beersheba/
1993/}) 9. Bh4 g5 $6 (9... a6 $142 10. Nd2 (10. a4 $6 g5 11. Bg3 Nh5 12. Be2
O-O 13. O-O Nxg3 14. hxg3 Nd7 15. Qc2 Qe7 16. Rae1 Rb8 17. Nd2 Ne5 18. Nc4 Nxc4
19. Bxc4 Bd7 20. a5 Rbe8 21. Rb1 Qe5 22. Bd3 Qd4 23. Rfe1 c4 24. Bf1 f5 25.
Rbd1 Qc5 $40 {Fraser-Mitchell,J-Findlay,J/BCF-ch/1988/}) (10. Nd2) 10... b5 11.
a4 b4 12. Ncb1 g5 (12... O-O 13. Bd3 Re8 14. O-O Nbd7 (14... Qc7 15. Qc2 Nbd7
16. Nc4 b3 $1 17. Qxb3 Nxe4 18. Bxe4 Rxe4 19. Bg3 Rb8 20. Qc2 Rxc4 $1 $44 {
Veresov-Suetin,A/Belarus/1961/}) 15. Re1 Ne5 16. Bf1 g5 17. Bg3 Ra7 18. Ra2
Rae7 19. b3 Nh5 $1 20. Bxe5 Rxe5 21. g3 g4 22. Bg2 f5 23. f4 R5e7 24. Kh1 Bd4
25. Qc2 Nf6 $17 {Alburt,L-Tukmakov,V/URS-FL Ashkhabad/1978/}) (12... Qe7 13.
Bd3 g5 $5 14. Bg3 Nxd5 15. Nc4 Nf4 16. Bxf4 gxf4 17. Nb6 Bb7 18. Nxa8 Bxa8 $44
{Botterill-Fedorowicz,J/Hastings/1977/78/}) 13. Bg3 Qe7 14. Be2 Nbd7 15. O-O
O-O 16. Re1 Ne5 17. Qc2 Nfd7 18. Nf1 b3 19. Qd1 Rb8 20. Ne3 Nf6 21. Nd2 Rb4 22.
Nec4 Nfd7 23. Ra3 Nxc4 24. Nxc4 Ne5 25. Bxe5 Bxe5 26. Rxb3 Rxa4 $132 {Vaganian,
R-Hort,V/Niksic/1978/}) 10. Bg3 Nh5 (10... a6 11. e5 $5 $36) 11. Bb5+ Kf8 $8 (
11... Bd7 $2 12. Bxd6 (12. Bxd7+ Qxd7 13. Ne5 Bxe5 14. Bxe5 dxe5 15. Qxh5 $16))
12. e5 $1 Nxg3 (12... a6 $142 $5 13. Be2 (13. Bd3 dxe5 14. Bxe5 g4 15. Bxg7+
Kxg7 16. Nd2 Re8+ 17. Be2 Nf4 18. O-O Nxe2+ 19. Nxe2 Qxd5 20. Nf4 Qg5 21. g3
Nc6 $15 {Svensson,B-Karlsson,L/SVE-ch/1979/}) 13... Nf4 14. Bxf4 gxf4 15. exd6
Bxc3+ 16. bxc3 Qxd6 17. O-O Rg8 18. Nd2 Nd7 19. Re1 Ne5 20. Bf1 Bg4 21. f3 Bf5
22. Ne4 Bxe4 23. Rxe4 Ng6 24. c4 Nh4 25. Rb1 b6 $13 {Djukic,Z-Karlsson,L/
Vrnjacka Banja/1981/}) (12... g4 13. O-O $5 dxe5 14. Bh4 $1 (14. Nxe5 Nxg3 15.
Nxf7 Kxf7 16. fxg3+ Kg8 17. Qb3 Rh7 18. Rae1 Nd7 19. d6+ Kh8 20. Nd5 Bd4+ 21.
Kh1 Ne5 22. Ne7 Rxe7 23. dxe7 Qxe7 24. Qd5 Bd7 25. Bxd7 Rd8 26. Rxe5 Bxe5 27.
Rf7 Qd6 $10 {Kopp,B-Arnold,L/2BLSW 8788/1988/}) 14... Bf6 15. Bxf6 Qxf6 16. Nd2
Qg6 17. Qe2 f6 18. Nde4 b6 19. Nd6 Nf4 20. Qe3 Bd7 21. Bc4 Rh7 22. g3 Nh3+ 23.
Kh1 Re7 24. f3 $40 {Hartston,W-Wahlbohm,M/Kobenhavn/1977/}) 13. fxg3 {[%cal
Gf1f7] Positional factors (pawn structure, B-pair) speak for Black, but the
main factor here is the unhappy Black K on the open f-file.} dxe5 (13... a6 $5
14. Bd3 Qb6 15. Nd2 (15. Qc2 $5 g4 16. Nd2 $36) 15... Qxb2 16. O-O Bxe5 17. Qh5
f6 18. Nde4 Ke7 19. Rae1 Nd7 20. Qg6 Kd8 21. Rb1 Qa3 22. Rb3 Qa5 23. Nxf6 Bxf6
24. Rxf6 c4 25. Bxc4 Qc5+ 26. Rf2 Qxc4 27. Qxd6 Qd4 $19 {Runnby,J-Johansson,M/
SVE-ch/1980/}) 14. O-O $44 {[%csl Gd5,Rf5,Rf7,Rf8,Rg6] @,עf8,>> White's lead
in development and Black's misplaced K give him very dangerous attacking
chances. Also the passed d-pawn can be a dangerous factor in some cases.} a6
15. Bd3 (15. Be2 Ra7 16. a4 b6 17. Qb3 f5 18. Nd2 e4 19. g4 Bd4+ 20. Kh1 e3 21.
Nc4 f4 22. Nxb6 Rb7 23. a5 $13 {Stean,M-Nunn,J/Birmingham/1976/}) 15... b5 (
15... Nd7 16. Nd2 Qe7 (16... e4 17. Bxe4 Bd4+ 18. Kh1 Ne5 19. Nb3 Bg4 20. Nxd4
Bxd1 21. Ne6+ {1-0,Matamoros,C-Santamaria,V/Dubai olm/1986/}) 17. Nde4 b5 18.
Qf3 Rb8 19. Nd1 c4 20. Bc2 Nc5 21. d6 Qa7 22. Qf2 {1-0,Banikas,H-Van Beek,L/
WchJ-U16 Szeged/1994/}) (15... Kg8 16. Nxe5 $2 (16. Nd2 $44) (16. Qe2 $36)
16... Bxe5 17. Qh5 Qf8 18. Bg6 f6 19. Rae1 Bd4+ 20. Kh1 Bd7 21. d6 Nc6 22. Nd5
Kg7 23. Re7+ Nxe7 24. dxe7 Qg8 25. Nc7 Be8 {0-1,Matera,S-Rohde,M/New York/1977/
}) 16. Qe2 (16. Nd2 $6 Ra7 $1 (16... c4 17. Qh5 f6 18. Bc2 Bd7 19. a4 Be8 20.
Bg6 Nd7 21. axb5 Bxg6 22. Qxg6 axb5 23. Rxa8 Qxa8 24. Nde4 Qe8 25. Qf5 Qd8 26.
Kh1 Kg8 27. Nxb5 $16 {Miles,A-Hernandez,Rom/Biel/1977/}) 17. Qh5 $2 (17. Nde4
$142) 17... Kg8 18. a4 c4 19. Bc2 b4 $1 20. Nce4 b3 21. Bb1 Qxd5 22. Nf3 Be6
23. Nc3 Qd7 24. Be4 Bg4 {0-1,Carlsson,G-Bjarnason,S/Copenhagen op/1981/}) 16...
c4 17. Nxe5 $1 {The Kf8 is the main objective, White doesn't count the pieces.}
Qb6+ (17... cxd3 18. Qh5 Kg8 (18... Qb6+ $8 {-17...Qb6+}) 19. Qxf7+ Kh7 20.
Qg6+ Kg8 21. Rf7 Rh7 22. Raf1 {[%cal Rf7f8] /\Rf8!} Nd7 23. Nc6 Qb6+ 24. Kh1
$18) (17... Bxe5 18. Qxe5 $40) 18. Kh1 cxd3 19. Qh5 Kg8 $8 20. Rxf7 $146 {
[%cal Rf7g7] /\Rg7!} (20. Qxf7+ $5 Kh7 21. d6 Qxd6 (21... Ra7 22. Qg6+ Kg8 23.
Ne4 $18) 22. Ne4 Qxe5 (22... Rf8 23. Nxd6 Rxf7 24. Rxf7 $16) 23. Nf6+ Qxf6 24.
Rxf6 $18 {Petursson} Rg8 25. Rxh6+ Kxh6 26. Qxg8 Nd7 27. Qd5 Ra7 $2 28. Qc6+
Nf6 29. Qxc8 Re7 30. h4 Ne4 31. Kh2 gxh4 32. gxh4 Be5+ 33. g3 Nxg3 34. Kh3 $18
{Dorfman,J-Shvedchikov,A/USSR/1978/}) 20... Bxe5 (20... Ra7 21. Ne4 $1 (21.
Raf1 Rxf7 22. Qxf7+ Kh7 23. Ne4 Rf8) 21... Rxf7 (21... Bxe5 22. Raf1 {-20...
Bxe5}) 22. Qxf7+ Kh7 23. d6 $18 {[%cal Re4f6] /\Nf6#}) 21. Raf1 Ra7 $8 (21...
Nd7 22. Rf8+ $1 Kh7 (22... Nxf8 23. Qf7#) 23. R1f7+ Bg7 24. Rxg7+ Kxg7 25. Qf7#
) 22. Ne4 $1 Bg7 $8 (22... Nd7 23. Nf6+ $1 Qxf6 (23... Nxf6 24. Qg6#) 24. R1xf6
{[%cal Rh5g6] /\Qg6#}) 23. Nf6+ $1 Qxf6 $8 {A forced Q-sacrifice.} (23... Bxf6
24. Qg6+) 24. R1xf6 Rxf7 $8 (24... Nd7 25. Rxg7+ Kxg7 26. Qg6#) (24... Bg4 25.
Rf8+ $1 Bxf8 26. Qe8 {[%cal Re8f8,Rf6h6] /\Qf8,Rh6#}) 25. Qxf7+ {Although
Black has sufficient material for the Q (three minor pieces) the attack
continues and White mates by force.} Kh7 26. Qg6+ Kg8 27. Rf7 Rh7 28. Re7 Bd7
29. Qf7+ Kh8 30. Re8+ $1 (30. Re8+ Bxe8 31. Qxe8+ Bf8 32. Qxf8#) 1-0

