[Event "SUI-chT"]
[Site "Switzerland"]
[Date "1999.??.??"]
[Round "6.1"]
[White "Jussupow, Artur"]
[Black "Forster, Richard"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2641"]
[BlackElo "2468"]
[PlyCount "78"]
[EventDate "1999.01.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. Bd3 Nd7 7. O-O c5 8. e5 cxd4
9. Be4 Rb8 10. Nxd4 dxe5 11. Nc6 Qb6+ 12. Kh1 Ngf6 13. Nxb8 Qxb8 14. fxe5 Nxe4
15. Nxe4 Nxe5 16. Bf4 Qb6 17. Qe2 O-O 18. Rae1 Qc6 19. Nd2 Bb7 20. Rf2 Qc5 21.
Nb3 Qb6 22. Be3 Qc7 23. Bd4 Rd8 24. h3 Rd5 25. c3 a5 26. Qe3 e6 27. Qf4 a4 28.
Nc1 g5 29. Qxg5 Ng6 30. Qg4 h5 31. Qe2 Nf4 32. Qe3 e5 33. Bb6 Qc6 34. Rg1 Rd6
35. Ba7 Rg6 36. Qf3 Qc8 37. Qe3 Nxh3 38. Rd2 Nxg1 39. Kxg1 Bh6 0-1

[Event "SUI-chT"]
[Site "Switzerland"]
[Date "2005.09.04"]
[Round "7.2"]
[White "Bauer, Christian"]
[Black "Forster, Richard"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2650"]
[BlackElo "2498"]
[PlyCount "46"]
[EventDate "2005.02.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]
[WhiteTeam "Biel"]
[BlackTeam "Winterthur"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "SUI"]

1. g3 g6 2. Bg2 Bg7 3. d4 Nf6 4. e4 d6 5. Ne2 Nc6 6. Nbc3 e5 7. h3 exd4 8. Nxd4
Nxe4 9. Nxe4 Bxd4 10. Bg5 f6 11. Bh6 d5 12. Nc3 Qe7+ 13. Ne2 Bxb2 14. Rb1 Bc3+
15. Kf1 Be5 16. f4 Bd6 17. Nc3 Be6 18. Nxd5 Qf7 19. c4 O-O-O 20. Qa4 Bc5 21.
Rxb7 Rxd5 22. Qxc6 Rd1+ 23. Ke2 Bg4+ 0-1

[Event "EU-chT (Men) 18th"]
[Site "Porto Carras"]
[Date "2011.11.09"]
[Round "7.4"]
[White "Efimenko, Zahar"]
[Black "Forster, Richard"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2702"]
[BlackElo "2458"]
[Annotator "Mikhalchishin,A"]
[PlyCount "86"]
[EventDate "2011.11.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 146"]
[Source "ChessBase"]
[SourceDate "2012.01.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.18"]
[SourceQuality "1"]
[WhiteTeam "Ukraine"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "UKR"]
[BlackTeamCountry "SUI"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. g4 {This move was most popular for a few years, after Karpov's wins
against Miles and Mestel in 1982. The move is extremely logical, as White
delays castling.} Bxg4 $6 {A very unclear sacrifice, the most important point
is that it changes the course of the game completely.} ({Theory recommends a
slightly strange bishop move:} 9... Be6 10. Nxe6 (10. O-O-O Nxd4 11. Bxd4 Qa5
12. Kb1 Rfc8 13. a3 Rab8 14. Ne2 Qa4 15. g5 Nh5 16. Bxg7 Nxg7 17. Nd4 b5 18.
Qb4 Bd7 19. h4 a5 20. Qxa4 bxa4 21. Rh2 Rb6 22. c4 Ne6 {Agopov,M (2450)
-Carlsson,P (2502)/Porto Carras 2011; it is only White who can have some
problems in the endgame.}) 10... fxe6 11. O-O-O Ne5 12. Be2 Rc8 (12... Qc8 13.
Kb1 Nfd7 14. Rhf1 Nc4 15. Bxc4 Qxc4 16. Ne2 Ne5 17. b3 Qc8 18. Nd4 Nc6 19. f4
e5 20. Nxc6 Qxc6 21. Qd5+ Qxd5 22. exd5 Bh6 23. g5 Bg7 24. c4 Rf5 25. fxe5 Rxe5
26. Rf3 {Hracek,Z (2628)-Jones,G (2635)/Porto Carras GRE 2011. White is just
slightly better in the endgame.}) 13. Nb5 Qd7 14. Nd4 Nc4 15. Bxc4 Rxc4 16. Kb1
Rfc8 17. c3 b5 18. Rc1 a5 19. h4 b4 20. cxb4 Rxb4 21. a3 {Vallejo Pons,F (2705)
-Carlsson,P (2476)/Caleta ENG 2010M ...and Black has no real attacking
possibilities.}) 10. fxg4 Nxg4 11. Nb3 $1 ({Probably} 11. Bg1 {is less
critical:} e6 12. Nf3 $5 ({After} 12. h4 h5 {Black has good results:} 13. Be2 (
13. Nxc6 bxc6 14. Be2 Bh6 15. Qd3 Ne5 16. Qg3 Rb8 $44 {Psakhis-Tolnai,
Dortmund 1989}) (13. Nf3 d5 $5) 13... Bh6 14. Qd3 Nce5 15. Qg3 Rc8 16. Rd1 a6
$44 {Mamedyarov-Cheparinov, Wijk aan Zee 2005}) 12... Rc8 ({If} 12... h5 13. h3
$1 {and in Pecci-Lipiniks, San Cristobal 1998 followed} Bh6 14. Qe2 Nge5 15.
Be3 Nxf3+ 16. Qxf3 Ne5 17. Qf2 Bg7 18. O-O-O $16) 13. h4 $5 $146 Qa5 14. Be2 $5
({If} 14. h5 Qb4 $1 $13) 14... h5 15. Rh3 $5 ({A possible try would be} 15. Nb5
{and the endgame looks favourable for White}) 15... Bh6 $5 16. Ng5 $1 f6 $2 (
16... Qe5) 17. Qxd6 fxg5 18. Qxe6+ $2 ({The preliminary} 18. Bxg4 $1 {was
correct:} hxg4 {and only now} 19. Qxe6+ $16) 18... Kh7 19. O-O-O gxh4+ 20. Kb1
Rcd8 21. Nd5 Nf2 22. Bxf2 Rxf2 23. Rg1 $1 Bg5 ({After} 23... Rg2 24. Rhh1 $1 h3
{White wins by force:} 25. Bxh5 $1 gxh5 26. Qf7+ Kh8 27. Nf6 Rg7 28. Rxg7 Bxg7
29. Qg6 Bxf6 30. Qxf6+ Kh7 31. Rg1 $18) 24. Bxh5 $1 $16 {Kovalev,V (2439)
-Nabaty,T (2584)/Chennai IND 2011}) (11. Nxc6 bxc6 12. Be2 Nxe3 13. Qxe3 Qa5
14. O-O-O Rab8 15. Bc4 e6 16. Bb3 d5 17. Kb1 d4 18. Rxd4 Bxd4 19. Qxd4 c5 20.
Qd6 Qb4 21. Na4 Qd4 22. Qxd4 cxd4 23. Nc5 Rb5 24. Nd3 Rg5 25. Bc4 Kg7 26. b4
Rc8 {Korneev,O (2588)-Padeiro,J (2304)/Torres Vedras POR 2011; with a very
unclear endgame.}) 11... a5 ({Insufficient is} 11... Nxe3 12. Qxe3 a5 (12... e6
13. O-O-O a5 14. a4 Rc8 15. Kb1 Ne5 16. Be2 Qc7 17. Rd2 Nc4 18. Bxc4 Qxc4 19.
Rxd6 b5 20. Qd3 Bxc3 21. Qxc3 Qxe4 22. Re1 Qh4 23. Qd2 {Solak,D (2567)
-Roganovic,M (2497)/Vrnjacka Banja SRB 2010. Black has no compensation for the
piece.}) 13. a4 Nb4 14. O-O-O Rc8 15. Kb1 $1 $16 {which was tested many times.}
) ({The immediate} 11... d5 {was also tried in a couple of games.} 12. O-O-O $2
d4 $1) 12. a4 d5 ({Not so good is the immediate knight move, as it allows long
castling} 12... Nb4 13. O-O-O) 13. exd5 (13. O-O-O $2 {is bad due to} d4 $1) ({
Another capture} 13. Nxd5 {is not so precise:} e6 14. Nf4 (14. Bg5 f6 15. Ne3
fxg5 16. Nxg4 Rf4) 14... Nb4 15. Bd3 Nxe3 16. Qxe3 Bh6 {with an unpleasant pin.
}) 13... Nb4 ({Another logical attempt is} 13... Nxe3 14. Qxe3 Bxc3+ {followed
by ...Qxd5.}) 14. Bf4 $6 $146 ({Here White has a lot of different options} 14.
Bd3 $6 Nxe3 15. Qxe3 Rc8 {and Black has some threats.}) ({Engines suggest} 14.
Bg5 $1 h6 ({if} 14... Bxc3 15. bxc3 Nxc2+ 16. Qxc2 Qxd5 {then} 17. h3 $1) 15.
Be2 ({or even} 15. Bf4 {because after} e5 16. dxe6 Qh4+ 17. Bg3 Qf6 18. O-O-O {
Black does not have ...Bh6}) 15... hxg5 16. Bxg4 f5 17. Bf3 g4 18. Bg2 Rc8 19.
O-O {and White seems to refute Black's threats.}) (14. Bd4 e5 15. Bf2 e4) (14.
O-O-O Rc8 15. Kb1 Bxc3 (15... Rxc3) 16. bxc3 Nxe3 17. Qxe3 Nxd5) ({Winning the
exchange with} 14. Bc5 {is very risky:} e6 15. Bxf8 Qh4+ 16. Ke2 Bxf8) 14... e5
$1 15. Bg5 ({Here} 15. dxe6 Qh4+ $1 16. Bg3 Qf6 $1 {is risky for White.}) 15...
Bf6 $2 (15... Nxc2+ {was required:} 16. Kd1 Bf6 17. Bxf6 $6 Nge3+) 16. Bxf6 ({
Also good was} 16. h4 $5 h6 17. Rg1) 16... Qxf6 17. O-O-O $1 ({Clearly better
than} 17. Ne4 Qh4+ 18. Ng3 Ne3 19. Bd3 e4) 17... Nf2 18. Bb5 Nxh1 19. Rxh1 $16
Rfd8 20. Rd1 b6 ({Or} 20... Qf5 21. Rf1) 21. d6 $1 Rac8 22. d7 Rc7 23. Nd5 Nxd5
24. Qxd5 Qf4+ 25. Kb1 e4 26. Nd2 $6 (26. Rd4 {was much stronger}) 26... e3 $18
{White is objectively winning, but now Efimenko misses an incredible
combination.} 27. Rf1 $4 Rcxd7 $3 ({Not} 27... Rdxd7 $2 28. Qa8+ $18) 28. Bxd7
(28. Qf3 Qxf3 29. Nxf3 Rd1+ 30. Rxd1 Rxd1+ 31. Ka2 f5) (28. Qxd7 Rxd7 29. Rxf4
exd2 30. Be2 d1=Q+ 31. Bxd1 Rxd1+ 32. Ka2 Rd2 {and the endgame is not holdable.
}) 28... Qxf1+ $1 29. Nxf1 e2 {And the advantage is on Black's side because
his pawn is unstoppable!} 30. Qb5 e1=Q+ 31. Ka2 Qf2 32. c3 h5 33. Ng3 Qxh2 34.
Ne4 Qf4 $6 (34... Kg7 $1 $17 {preparing ...Qc7 would have been strong,}) 35.
Bc6 h4 36. Qxb6 Rd1 37. Qxa5 h3 {Now the position is complex and double edged,
but Zahar Efimenko spoiled it quickly.} 38. Qa8+ $2 ({After} 38. Qg5 $5 Qxg5
39. Nxg5 h2 40. a5 Rd6 {chasing the bishop with a draw looks like a logical
outcome. After} 41. Bh1 Rd1 42. Bf3 Rd3 43. Bb7 Rd7 {White should not go for}
44. a6 $2 Rd6 $1 {with the idea of} 45. a7 Ra6+ 46. Bxa6 h1=Q) 38... Kg7 39.
Qa7 $6 ({Other tries did promise some shadow of hope} 39. Nc5 Qc4+ 40. Nb3) (
39. Kb3 h2 40. Nc5) 39... h2 {And White loses.} 40. Qf2 (40. Nf2 Qc4+) 40...
Qc7 $1 ({After} 40... Ra1+ {White obtained major chances of saving the game:}
41. Kb3 Qb8+ 42. Kc4 h1=Q (42... Rxa4+ 43. b4) 43. Qd4+ Kh6 44. Qe3+) 41. Ng5 (
{Or} 41. Qf6+ Kg8 42. Nf2 Rd6) 41... Qxc6 $1 42. Qxf7+ Kh6 43. Qf4 Ra1+ 0-1

