Gaprindashvili , Paata - Leconte, Jean EU/FSM/61, 2000 Paata Gaprindashvili B33. 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 b5 9.Bxf6 gxf6 10.Nd5 f5 11.c3 Bg7 12.exf5 Bxf5 13.Nc2 O-O 14.Nce3 Be6 15.Bd3 f5 16.O-O Ra7 17.Qh5 Raf7 18.g4? #Svidler's move. So far, I have played without analysing. [18.Bc2 Ne7 1/2-1/2 Poretti,E-Baklanov,V/EM/M/GT/A011 1998/Megacorr (18)] [18.a4 b4 19.Bxa6 bxc3 20.bxc3 Qa5 21.Bb5 Ne7 22.Nxe7+ Rxe7 23.Rad1 Qc7 24.Nd5 Bxd5 25.Rxd5 Re6 26.c4 Rh6 27.Qf3 Rg6 28.c5 1-0 Sanjuan Lahoz,O-Gonzalez,J/email UECC 1998/Megacorr (28)] 18...e4 19.Bc2 Ne5! White's position is already very unpleasant. 20.Nf4 Bd7 21.Kh1 After [21.g5 would have been good for Black after Qxg5+ 22.Qxg5 Nf3+ 23.Kh1 Nxg5 24.Bb3 Be5 with sufficient compensation for the sacrificed exchange.] [21.Bb3 fxg4 22.Ne6 Bxe6 23.Bxe6 Qf6 24.Bxf7+ Rxf7 Black has the initiative] 21...Nxg4 I think Black should have played [21...fxg4! 22.Bxe4 Bf6 followed by Bg5 with better chances.] 22.Bb3 Qf6 23.h3 Ne5 24.Rg1 Kh8 25.Bxf7 Qxf7 It is very likely [25...Rxf7 with the idea of Qh6 is stronger.] 26.Rxg7! It is necessary to return the exchange, because after [26.Rad1 Qxh5 27.Nxh5 Nd3 with the idea of Be5 28.Rxd3 (28.Nxg7 Nxf2+ 29.Kh2 Nxd1 30.Nxd1 f4 with e4-e3 and Rf8-f7-f5 ideas.) (28.Rxg7 Nxf2+ 29.Kg1 Nxd1 30.Nxd1 Be8 31.Rg5 h6) 28...exd3 29.Nxg7 f4 30.Nf1 Rf7 31.Nh5 Rf5 Black is better 32.Ng7 Bc6+ 33.Kh2 Re5] 26...Kxg7 27.Rg1+ Kh8 Very dangerous is [27...Ng6 28.Rg5 or (28.Ned5)] 28.Qh6 Re8 and [28...Qf6 29.Ng6+ Nxg6 30.Rxg6 Qf7 31.Rxd6 Bc8 32.Nd5] [28...Rg8 29.Rxg8+ Qxg8 30.Qxd6 Nf3 31.Neg2 White has the advantage] 29.Qxd6 Nf3 30.Rg3 Bc8 31.Ned5 Correct was [31.b3! with c3-c4 to follow] 31...Qf8! 32.Qc7 Be6! 33.Ne3 Bc8 34.Ned5 Be6 35.Ne3 Bc8 36.b3! #The best way to continue - White creates a passed pawn Re7 37.Qb6 Rd7 38.Ned5 Rd6 Another option was [38...Bb7 39.Rxf3 exf3 (39...Bxd5 40.Rg3 Bb7 (40...e3+ 41.Nxd5 Rxd5 42.Qxe3 f4 43.Qf3 Qa8 44.Rg2!) 41.Qe6 with decisive threats e3+ (41...Rg7 42.Qe5) (41...Re7 42.Qd6) 42.f3) 40.Ne6 Qd6 (40...Qh6 41.Qd4+ Kg8 42.Nf6+ Kf7 43.Qxd7+ Kxf6 44.Kh2) 41.Qd4+ Kg8 42.Nf6+ Kf7 43.Nxd7 Qxe6 44.Nc5 with advantage] 39.Qe3 Bb7 40.Rxf3 The Black N on f3 was too dangerous Bxd5 Losing is [40...exf3 41.Qe5+ Kg8 42.Ne7+ Kf7 43.Qxd6 Qxe7 44.Qxe7+ Kxe7 45.Kh2] 41.Rg3 Bc6 42.Kh2 Be8 43.c4 bxc4 #Not a successful exchange as it opens new files and diagonals for the White Q 44.bxc4 Qf6 Black does not have a shred of counterplay 45.c5 Rd8 [45...Rc6 46.Qb3 Qf7 (46...Bg6 47.Qb8+ Kg7 48.Nh5+) 47.Qb2+ Qf6 48.Qb8 Qe7 (48...Qf7 49.Qe5+) 49.Nd5] [45...Rd7 46.c6! Qxc6 (46...Rc7 47.Nd5 Qe5 48.f4) (46...Rg7 47.Rxg7 Kxg7 48.c7 Qc6 49.Qc5!) 47.Ne6! Bg6 48.Rxg6 hxg6 49.Qh6+ Kg8 50.Qxg6+ Kh8 51.Qe8+ Kh7 52.Qxd7+] 46.c6! Qe5 [46...Bxc6 47.Ng6+ Kg7 (47...hxg6 48.Qh6+) 48.Ne5+ Kf8 (48...Kh8 49.Nf7+ Qxf7 50.Qc3+ with mate to follow) 49.Qa3+] [46...Qxc6 47.Ne6! Rd7 (47...Rd3 48.Qh6 Rxg3 49.Qf6+ Kg8 50.Qf8#) 48.Qh6 Rf7 49.Qg5 again, mate is unstoppable] [46...Rc8 47.Nd5 Qe5 48.f4 Qa1 49.Ne7] [46...Bf7 47.c7 Rc8 48.Qa7 Qe5 49.Qb7 Rxc7 50.Qb8+ Be8 51.Ne6!] 47.c7 Rc8 if [47...Qxc7 then 48.Qb3 Bg6 49.Ne6 and White is winning] 48.Qb3 Bg6 [48...Bc6 49.Qf7 with the idea of Ng6+ Qb2 50.Qxf5] 49.Nxg6+ hxg6 50.Qb6! Less accurate was [50.Qf7 as after Qd4! 51.Kg2 Qg7 the White K is on the inferior g2 square instead of h2.] 50...Rxc7 [50...Qg7 51.Qe6 Rxc7 (51...Qg8 52.Qd7) 52.Rxg6 Qf8 (52...Qf7 53.Qe5+ Kh7 54.Rf6) 53.Rh6+ Rh7 54.Qe5+ Kg8 55.Re6] [50...Qe8 51.Rxg6 Rxc7 52.Qf6+ Kh7 53.Rh6+ Kg8 54.Rh8#] 51.Qxg6 Rg7 52.Qxg7+ Qxg7 53.Rxg7 Kxg7 54.Kg3 #The rest is simple Kg6 55.Kf4 Kf6 56.a4 a5 57.h4 Black resigns. 1-0