(1) Sorokin,Maxim (2500) - Cunha,Eduardo Arruda [D09] Rio de Janeiro schev Rio de Janeiro (5), 09.1991 [Rogozenco] 1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.Nbd2 Bb4 [5...f6 6.exf6 Nxf6 7.a3 a5 8.Nb3 Be6 9.Qd3 Bf7 10.Nbxd4 Nxd4 11.Nxd4 Bc5 12.Nb3 Bb6 13.Be3 0-0 14.Qxd8 Raxd8 15.Bxb6 cxb6 16.e3+- 1-0 Burmakin,V (2550)-Halser,W (2085)/Graz 1997 (32); 5...Bf5 6.Nb3 Qd7 7.Nbxd4 0-0-0 8.e3 [White is better] Nb4 9.Bd2 Nd3+ (9...Nh6 10.Qb3 Na6 11.Qb5 c6 12.Qa5+- ) 10.Bxd3 Bxd3 11.e6 fxe6 12.Ne5+- ] 6.g3!? [6.a3 Bxd2+ 7.Qxd2 Bg4 8.b4 Bxf3 9.exf3 Nxe5 10.Bb2 Qe7 11.0-0-0 0-0-0 12.f4 Nc6 13.g3 [White is better] 1-0 Tsai,C (2162)-Sagalchik,O (2116)/Seattle 2003 (18)] 6...Be6 [6...Bg4 7.Bg2 Qd7 8.0-0 0-0-0 9.Qa4 Kb8 10.Ng5 [White is better] ; 6...Nge7 7.Bg2 Ng6 8.0-0 0-0 (8...Ngxe5? 9.Nxe5 Nxe5 10.Qa4++- ) 9.Nb3 Ngxe5 10.Nxe5 Nxe5 11.c5 Be6 12.Qxd4 Qxd4 13.Nxd4 Bxc5 14.Nxe6 fxe6 15.Bxb7 Rab8 16.Bg2 [White is better] ] 7.Bg2 Bxc4 8.0-0 [White is better] Ba6 [8...Bxd2 9.Qxd2 Qd7 10.b4 0-0-0 11.Bb2 [White is better] ; 8...Bd5 9.Nb3 [White is better] ] 9.a3 Be7 [9...Bxd2 10.Qxd2 Nge7 11.Rd1 [White is better] ] 10.b4 d3 11.e3 Qd7 12.Rb1 b5 13.Nd4+- Nxd4 [13...Bb7 14.e6 fxe6 15.Qh5+ g6 16.Qxb5+- ] 14.exd4 Rb8 15.d5 Bb7 16.Qf3 Nh6 17.Nb3 Ng4 18.e6 1-0

(2) Nielsen,Peter Heine (2625) - Rasmussen,Karsten (2505) [D08] DEN-ch Silkeborg (4), 18.03.2008 [Rogozenco] 1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.a3 [5.Nbd2 Bg4 6.a3 transposes to the game. (6.h3 Bxf3 7.Nxf3 Bb4+ 8.Bd2 Qe7 9.a3 (9.g3!? [Unclear] / [White is slightly better]) 9...Bxd2+ 10.Qxd2 0-0-0 [Unclear] ) ] 5...Bg4 6.Nbd2 Qe7 7.h3 Bh5 [7...Bxf3 8.Nxf3 0-0-0 (8...Nxe5 9.Qxd4 Nxf3+ (9...Nc6 10.Qd3 Nf6 11.Bf4 Rd8 12.Qb3 [White is better] ) 10.gxf3 [White is better] ) 9.Qd3 (9.Qa4!? ; 9.g3!? Nxe5 10.Bg2 Nxf3+ 11.Bxf3 [White is slightly better] ) 9...h6 ([better is] 9...Nxe5 10.Nxe5 Qxe5 11.g3 [White is slightly better] ) 10.g3 g6 11.Bg2 Bg7 12.0-0 Nxe5 13.Nxe5 Bxe5 14.b4 [White is better] 1-0 Lasker,E-Alekhine,A/St Petersburg 1914 (35)] 8.Qa4 0-0-0 9.b4 Nxe5 [9...Kb8 10.Bb2 f6 (10...Nxe5 11.Nxe5 Qxe5 12.g4 Bg6 13.Bg2 transposes to the main game.) 11.0-0-0 Bg6 (After 11...fxe5 12.b5 White suddenly catches the ¤c6 12...e4 13.bxc6 exf3 14.Qb5 b6 15.Qa6 and mate.; 11...Nxe5 12.Nxd4 [White is better] ) 12.e6!? a6 (12...Qxe6 13.b5 Ne5 14.Nxd4 Qb6 15.N2b3 [White is better] ) 13.b5 axb5 14.cxb5 Qc5+ 15.Nc4+- 1-0 Shtyrenkov,V (2460)-Chetverik,M (2300)/Karvina 1998 (26)] 10.Nxe5 Qxe5 11.Bb2 Kb8 12.g4 Bg6 13.Bg2 Nf6 [13...h5 14.Nf3 Qe4 15.Bxd4 a6 (15...Rxd4 16.Nxd4 Qxg2 17.Qe8# ) 16.0-0 hxg4 (16...Rxd4 17.Nxd4 Qxd4 18.Rfd1+- ) 17.Ne5 Qxd4 18.Rad1+- ] 14.Nf3 Qf4 [14...Qe4 15.0-0 Qxe2 16.Bxd4 a6 17.b5 Bc2 18.Qa5 Qxc4 19.Rac1 Qa4 20.Qc3+- ] 15.0-0 [White is better] h5 [15...Be4 16.Bxd4 Bxf3 (16...Rxd4 17.e3+- ) 17.Qxa7+ Kc8 18.Be3 Qe5 19.exf3 c6 20.f4+- 1-0 Kratochvil,M (2127)-Janecek,J (2139)/Czechia 2005 (23)] 16.Bxd4 Rxd4 17.e3 Qd6 18.Nxd4 hxg4 19.Rfd1+- gxh3 20.Nc6+ bxc6 21.Rxd6 Bxd6 22.Bxc6 Rh5 23.c5 h2+ 24.Kh1 1-0

(3) Burg,Twan (2362) - Pruijssers,Roeland (2442) [D08] NK Jeugd A Venlo (3), 26.04.2009 [Rogozenco] 1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.a3 Bg4 6.Nbd2 Nge7 [6...a5 7.h3 Bxf3 (7...Be6 8.Nb3 Bxc4 9.Nbxd4 Nxd4 (9...Qd5 10.Nxc6 Qxc6 11.Bd2 [White is better] ) 10.Nxd4 Qd5 (10...Bc5 11.Be3 [White is better] ) 11.Bf4 0-0-0 12.e3 Bxf1 13.Rxf1 (13.Qg4+ Kb8 14.Rxf1 [White is better] ) 13...Qxg2 14.Qc2 [White is better] ; 7...Bh5 8.g3!? (8.g4 Bg6 9.Bg2 must also be good for White.) 8...Qd7 (8...f6 9.Qa4 Ra6 (9...Qd7 10.e6 Qxe6 11.Nxd4+- ) 10.Bg2 [White is better] ) 9.Bg2 0-0-0 10.0-0 d3 11.Re1 [White is better] ; 7...Bf5? 8.Nb3+- ) 8.Nxf3 [White is slightly better] Two bishops; 6...Qd7 7.b4 d3 (7...Qe6 8.Bb2 0-0-0 9.Qb3 Bxf3 10.Nxf3 Nxe5 11.Nxd4 Qxc4 12.e3 (12.Qh3+! Kb8 13.e4+- ) 12...Qxb3 13.Nxb3 f6 14.Be2 Bd6 15.0-0 Ne7 16.Nd4 [White is better] 1-0 Monin,N (2390)-Czebe,A (2280)/Zalakaros 1991 (55); 7...Nge7 8.h3 (8.Bb2!? ) 8...Be6 (8...Bxf3 9.Nxf3 0-0-0 (9...Ng6 10.e3 dxe3 11.Qxd7+ Kxd7 12.Bxe3 [White is better] ) 10.b5 Na5 11.Qd3 [White is better] ) 9.b5 (9.Nb3 Ng6 10.e3 Ncxe5 11.Nxe5 Nxe5 12.Bb2 Nxc4 13.Bxd4 [Unclear] 1-0 Van Beek,L (2332)-Martens,M (2414)/Netherlands 2005 (41)) 9...Na5 10.Qa4 b6 11.c5 Ng6 12.c6 Qd5 13.Nxd4 Bc5 14.Bb2 Nxe5 15.Nxe6 Qxe6 16.e3 0-0 17.Be2 Rfd8 18.Qc2 [White is better] ; 7...f6 8.exf6 Nxf6 9.Bb2 Bxf3 10.Nxf3 Nxb4 11.Nxd4 (11.axb4? Bxb4+ 12.Nd2 Ne4 13.Bc1 0-0 [Compensation] 0-1 Krueger,K (2325)-Heller,M/Kiel 1992 (25)) 11...Nc6 12.e3 [White is better] ) 8.Bb2 dxe2 9.Bxe2 [White is better] /+-, 1-0 Arkell,K (2477)-Schmid,M (2069)/Saas Almagell 2005(36)] 7.h3 Be6 [7...Bh5? 8.b4 [White is better] /+-. Black cannot play 8...Ng6 in view of 9.g4.; 7...Bxf3 8.Nxf3 Ng6 9.e3 (9.e6 fxe6 10.e3 [White is slightly better] ) 9...dxe3 10.Bxe3 Ngxe5 11.Nxe5 (11.Be2 [White is slightly better] ) 11...Qxd1+ (11...Nxe5 12.Qb3 [White is better] ) 12.Rxd1 Nxe5 13.Be2 [White is slightly better] ; 7...Bf5? 8.Nb3+- ] 8.Nb3 [A sharper alternative is 8.g3 Qd7 9.Bg2 0-0-0 10.b4 [with initiative] ] 8...Bxc4 9.Nbxd4 Qd5 [9...Nxd4 10.Qxd4 Qxd4 11.Nxd4 Ng6 12.f4 0-0-0 13.e3 Bd5 14.Bd2 f6 (14...Be4 15.Nb5 Nh4 16.Rg1 a6 17.Nc3 Bc6 18.b4 Be7 19.e4 g5 20.f5+- 1-0 Smokina,K (2205)-Wagner,S (2120)/Differdange 2007 (45)) 15.exf6 gxf6 16.Bc3 Bc5 17.Rd1 (17.0-0-0?! Nh4 18.Rh2 Rhe8 19.Nc2 Nf5= 0-1 Alekseev,A-Korzubov,P (2455)/Minsk 1987 (53)) 17...Nh4 (17...Rd7 18.Kf2 Re8 19.Bd3 Nh4 20.Rhg1 Rde7 21.Rde1 Kb8 22.Re2 [White is better] ) 18.Kf2 Rhg8 19.Rg1 [White is better] ] 10.Be3 [10.Qc2! 0-0-0 (10...Nxd4 11.Nxd4 Qxd4 12.e3 Qxe5 13.Bxc4 [White is slightly better] ) 11.e4 Nxd4 12.Nxd4 Qxd4 13.Bxc4 Qxe5 14.0-0 [White is slightly better] ] 10...0-0-0 [After 10...Nxe5 11.Nxe5 (11.Qa4+!? ) 11...Qxe5 12.Rc1 Qd5 it is more difficult for White to prove an advantage (12...Bd5 13.Nb5 c6 14.Bd4 [White is better] ) ] 11.Rc1 Ba6 12.Qc2 Rd7 13.g3 Qa5+?! [13...Nxe5 14.Nxe5 Qxe5 15.Bg2 (15.Nf3 Qb5 16.Bg2 Nc6 17.0-0 Qxe2 18.Nd2 Qd3 ) 15...Nd5 16.Bxd5 Qxd5 17.0-0 [White is slightly better] ] 14.Bd2 Qb6 15.Nxc6 [15.Nb3 [White is better] ] 15...Nxc6 16.Bg2 Qb5 17.0-0 Qxe2 18.Rfe1 Qd3 19.Qa4 Bb5 20.Qf4 Nd4 21.Nxd4 Rxd4 22.Qxf7 Rd7 23.Qe6 Bxa3 24.bxa3 Qxd2 25.Red1 Qh6 26.Qb3 Qa6 27.Rd6 Qa4 28.Rxd7 Qxb3 29.Rcxc7+ Kb8 30.Rxb7+ Kc8 31.Rdc7+ Kd8 32.Rxg7 Qd1+ 33.Kh2 Bd7 34.e6 Bxe6 35.Rb8+ Bc8 36.Bb7 Qc2 37.Rxc8+ 1-0

(4) Damaso,Rui (2436) - Cordovil,Joao Maria (2276) [D08] POR-ch Lisbon (9.3), 2003 [Rogozenco] 1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.a3 Be6 6.Nbd2 a5 [6...f6 7.exf6 Nxf6 (7...Qxf6 8.b4 d3 9.Rb1 [White is better] ) 8.g3 Qd7 9.Bg2 Be7 10.b4 a6 11.Bb2 Rd8 12.0-0 0-0 13.b5 [White is better] 1-0 Sanz Lazaro,A-Velasco Valentin,L/Valladolid 1981 (47); 6...Qd7 7.b4 Nge7 (7...0-0-0 8.Bb2 f6 9.exf6 Nxf6 10.b5 Na5 11.Qa4 b6 12.Bxd4 [White is better] ; 7...f6 8.exf6 Nxf6 9.Bb2 Be7 10.b5 Na5 11.Qa4 b6 12.Bxd4 0-0 13.e3 [White is better] 1-0 Voelker,H-Benz,A/Spree 1997 (31)) 8.Nb3 (8.b5!? Na5 9.Qa4 b6 10.c5 Ng6 11.c6 Qd5 12.Nxd4 ) 8...Ng6 9.Nbxd4 Bxc4 10.Nxc6 Qxc6 11.Bb2 a5 12.Nd4 Qa6 13.b5 Bxb5 14.Rc1 Bc4 15.Qc2 b5 16.Qe4 Be7 17.h4 [with initiative] 0-0-0 18.h5 Nf8 19.Nc6 Rd7 20.Rxc4 bxc4 21.e3 Bc5 22.Bxc4 Qb7 23.0-0+- 1-0 Volzhin,A (2505)-Rewitz,P (2310)/Aarhus 1997 (33)] 7.Nb3 Bxc4 [7...Qd7 8.e3 [White is better] ] 8.Nbxd4 Bc5 [8...Qd5?! 9.Nxc6 Qxc6 10.Bd2 [White is better] ; 8...Nxd4 9.Nxd4 Qd5 10.Bf4 0-0-0 11.e3 Bxf1 12.Rxf1 Qxg2 13.Qc2 [White is better] ] 9.Be3 Nxd4 [9...Nge7? 10.Nxc6 Qxd1+ 11.Rxd1 Bxe3 12.Nxe7+- 1-0 Schlechter,C-Reggio,A/Monte Carlo 1903 (19)] 10.Bxd4 Bxd4 11.Qxd4 Qxd4 12.Nxd4 [White is better] c6 [12...0-0-0 13.e3 Bd5 14.Rc1 Ne7 15.Bc4 [White is better] ] 13.Nf5 Kf8 14.Nd6 Ba6 15.e4 Ne7 16.Bxa6 Rxa6 17.0-0-0 b5 [17...b5 18.Nxb5+- ] 1-0

(5) Ivanisevic,Ivan (2664) - Khenkin,Igor (2655) [D08] SRB-chT Subotica (11), 12.09.2008 [Rogozenco] 1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.Nbd2 Be6 6.a3 Nge7 7.Nb3 Bxc4 [7...Nf5 protects the d4-pawn and although the knight on f5 looks rather clumsy, Black's plan is to advance the a-pawn and disturb the Nb3. A move like g2-g4 is usually double-edged, since it produces weaknesses without winning the second pawn (after Black's answer Nf5-h4 the pawn on g4 will be under attack as well). Instead, White has another concrete approach to continue playing against the pawn on d4: 8.g3 a5 (8...Bxc4 9.e4 Bxf1 10.Kxf1 Nfe7 11.Kg2 Ng6 12.Nbxd4 Nxd4 13.Nxd4 Nxe5 14.Bf4 Ng6 15.Be3 Be7 16.Qb3 0-0 17.Rhd1 Qc8 18.Nf5 Bf6 19.Rac1 [with initiative] ; 8...Qd7 This prepares long castling, but loses control over the h4-square, which means that the advance g3-g4 can often become a problem for Black (since he won't be able to play Nf5-h4 anymore). 9.Qd3 0-0-0 (9...a5 10.g4! Nh6 (10...a4 11.gxf5 Bxf5 12.e4+- ) 11.Bxh6 gxh6 12.0-0-0 [White is better] ) 10.Bg2 h5 11.Bf4 h4 12.Ng5 [White is better] ) 9.Bh3 a4 (9...Qd7 10.Bxf5 Bxf5 11.Nbxd4 0-0-0 12.Be3 Bc5 (12...Bh3 13.Qb3 with the idea 0-0-0 [White is better]) 13.Nxf5 Qxf5 14.Qb3 Nxe5 15.Bxc5 Nxf3+ 16.Qxf3 Qxc5 17.0-0 [White is better] ; 9...Nh4 10.gxh4 Bxh3 11.Nbxd4 Qd7 12.Be3 White plans to castle long (after Qc2 or Qa4) and with the white king in safety Black's compensation won't be sufficient.) 10.Bxf5 Bxf5 11.Nbxd4 Be4 (11...Bh3 12.Bg5 Be7 (12...Qd7 13.Nb5 [White is better] ) 13.Nxc6 bxc6 (13...Qxd1+ 14.Rxd1 bxc6 15.Bxe7 Kxe7 16.Nd4 (16.Kd2!? [with the idea] Rab8 17.Kc1 [White is better] ) 16...Ra6 17.c5 [White is better] ) 14.Qxd8+ Rxd8 15.Bxe7 Kxe7 16.Nd2! [White is better] ) 12.0-0 [White is better] ; 7...Ng6 8.Nbxd4 is bad for Black, see 7...Be6 in Chatalbashev-Czakon.] 8.Nbxd4 Qd5 [8...Nxd4 9.Nxd4 The threat is Qa4+. 9...Qd5 (9...Qd7 10.Qc2 Ba6 11.Be3 Nd5 (11...Ng6 12.Nf3 [White is better] ) 12.Bd2 Nb6 13.Bc3 Nd5 14.0-0-0 Nxc3 15.Qxc3 [White is better] ) 10.Qc2 transposes to the game.] 9.Qc2! Nxd4 [9...0-0-0 10.e4 Nxd4 11.Nxd4 Qxd4 12.Bxc4 [White is better] ] 10.Nxd4 Qxd4 [10...Ba6 11.Nf3 [White is better] ] 11.e3 Qxe5 12.Bxc4 White will soon complete development after which his bishop pair with secure a stable advantage. Therefore in the next part of the game Black tries to complicate matters. 12...Ng6 13.Bd2! Bd6 14.Bc3 Qg5 15.Bxg7! There are no reasons for White to enter tactical complications. His bishops are very strong and in all variations he will remain with at least one pawn up. 15...Rg8 16.Qe4+ Ne5 17.Qxb7 [White is better] /+- 17...Ke7 18.Bxe5 Qxe5 19.g3 Rab8 20.Qf3 Rg7 21.0-0 Qxb2 22.Qe4+ Qe5 23.Qxe5+ Bxe5 24.Rad1 Bd6 25.Rd5 Bxa3 26.Ra1 Bd6 27.Rxa7 Rg6 28.Ra2 h6 29.Kg2 Rg5 30.Rd4 Rb4 31.Re4+ Kf6 32.Rc2 Ra5 33.f4 Ra1 34.Re8 Rab1 35.e4 R4b2 36.Rxb2 Rxb2+ 37.Kf3 Bc5 38.Re5 Bd4 39.Rf5+ Kg6 40.Bxf7+ Kg7 41.h4 Rc2 42.Bd5 c6 43.Be6 c5 44.Kg4 1-0

(6) Chatalbashev,Boris (2507) - Czakon,Jakub (2484) [D08] Castelldefels op 3rd Castelldefels (6), 2006 [Rogozenco] 1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.a3 Nge7 6.Nbd2 Ng6 7.Nb3 Ngxe5 [7...Be6?! 8.Nbxd4 [White is better] Bxc4 9.Qa4 Bd5 10.e4! Bxe4 11.Bb5 Qd7 12.Be3 Rd8 13.0-0-0! 1-0 Von Herman,U (2364)-Krasenkow,M (2651)/Baden-Baden 2007; 7...Bg4 ½-½ Kempinski,R (2567)-Pakleza,Z (2411)/Ustron 2006 (74) 8.Nbxd4 Ngxe5 (8...Bxf3 9.Nxf3 Qxd1+ 10.Kxd1 Ncxe5 11.Nxe5 Nxe5 12.Kc2 Nxc4 13.e4 [White is slightly better] ) 9.Nxe5 Nxe5 (9...Qxd4 10.Nxc6 Qxd1+ 11.Kxd1 bxc6 12.f3 Be6 13.e4 [White is better] ) 10.h3 Bd7 (10...Bh5 11.Qa4+ c6 12.Be3 Be7 13.g3 0-0 14.Bg2 [White is better] ) 11.e3 [White is better] ] 8.Nxe5 Nxe5 9.Qxd4 Qxd4 10.Nxd4 Nxc4 11.e4 In this endgame White has the initiative thanks to the possibility of playing quickly Nc3-b5 and producing visible discomfort in his opponent's camp. Besides, the black knight can't find a good square. 11...Nd6 [11...Ne5 12.Nb5 Kd8 13.f4 Ng4 (13...Ng6 14.Be3 c6 15.Rd1+ Bd7 16.Bc4 Be7 17.Nd4 Rf8 18.Nf3 [White is better] ) 14.h3 Nf6 15.e5 Nd5 16.Bc4 c6 17.Bxd5 cxd5 18.Be3 [White is better] ] 12.e5 Nf5 [12...c5 13.exd6 cxd4 14.Bf4 [White is better] ] 13.Nb5 Kd8 14.Bg5+ Be7 15.Rd1+ Bd7 16.Bd3 Bxb5 [16...g6 17.Bxf5 (17.Bf4!? [with initiative] ) 17...gxf5 18.Bf4 [with the idea] c6 19.Nc7! Rc8 20.e6 fxe6 21.Nxe6+ Ke8 22.Ng7+ Kd8 23.0-0 [with initiative] ] 17.Bxb5+ Kc8 18.h4 [White is better] Bxg5 19.hxg5 [19.Bd7+ Kb8 20.hxg5 [White is better] ] 19...c6 20.Bc4 Re8 21.f4 [21.g4 wins: 21...Rxe5+ 22.Kf1 Ne7 23.Rxh7 Kc7 24.Rxg7 Rh8 25.Kg2 Re4 26.Bxf7 Rxg4+ 27.Kf3+- ] 21...Ne3 22.Bxf7 Re7 23.g6 hxg6 24.Rh8+? [24.Rd2 [White is better] ] 24...Kc7 25.Rxa8 Nxd1 26.Bxg6 Nxb2 [Unclear] /= 27.Rxa7?? Kb8! 28.Ra5 b6 29.Kd2 [29.Ra6 Kb7-+ ] 29...Nc4+ 30.Kd3 Nxa5 31.Kd4 Nb3+ 0-1

(7) Brunner,Nicolas (2415) - Feygin,Michail (2569) [D08] BEL-chT 2008-9 Belgium BEL (2), 19.10.2008 [Rogozenco] 1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.Nbd2 Nge7 6.Nb3 Nf5 [After 6...Ng6 White can either transpose to Chatalbashev-Czakon by playing 7.a3, or take on d4 immediately: 7.Nbxd4 Ngxe5 (7...Bb4+ 8.Bd2 [White is better] ; 7...Nxd4 8.Qxd4 Bb4+ 9.Bd2 Qxd4 10.Nxd4 Bxd2+ 11.Kxd2 Nxe5 12.Nb5 [White is better] ) 8.Nxe5 Nxe5 (8...Nxd4 9.e3 [White is better] ; 8...Qxd4 9.Nxc6 Qxd1+ 10.Kxd1 bxc6 11.Bf4 [White is better] ; 8...Bb4+ 9.Bd2 Qxd4 10.Nxc6 [White is better] ) 9.e3 There are almost no games with this position. Here are some possible variations: 9...Bg4 (9...c5 10.Nb5 Qxd1+ 11.Kxd1 Bg4+ 12.f3 0-0-0+ 13.Kc2 [White is better] ; 9...Bc5 10.Bd2!? (In the event of 10.Be2 Qg5 White must make a concession - either weaken the pawn structure, or give up the bishop pair, although it is unclear if Black can show any real compensation after 11.g3 ) 10...0-0 (10...Bxd4 11.exd4 Qxd4 12.Bc3 [White is slightly better] [with the idea] Qe4+ 13.Qe2 Nd3+ 14.Kd2 Qxe2+ 15.Kxe2 Nf4+ 16.Ke3 [White is better] ) 11.Bc3 [White is better] ) 10.Qb3 (10.Be2 Bb4+ 11.Bd2 Nd3+ 12.Kf1 Qh4 [with initiative] ) 10...c5 11.h3 Bd7 (11...Bh5 12.Qa4+ Nd7 13.Be2 [White is better] ; 11...cxd4 12.hxg4 [White is better] ) 12.Nb5 a6 (12...Bc6 13.e4 Bxe4 14.Bf4 [with initiative] ) 13.Nc3 An extra pawn together with the weakness of the d5-square should secure White an advantage. If Black places the bishop to c6, it can always be met with e3-e4.] 7.e4 Nh4 8.Nfxd4 [8.Nbxd4 Nxd4! 9.Nxd4 Bb4+ [Unclear] ] 8...Nxe5 [8...Nxd4? 9.Qxd4 Bb4+ 10.Bd2 [White is better] ] 9.f3 [9.c5! a5 (9...Bg4 10.Qc2 a5 11.h3 [White is better] ; 9...Be7 10.Bf4 Nhg6 (10...Bf6 11.Qc2 0-0 12.0-0-0 [White is better] ) 11.Bxe5 (Also good is 11.Bg3 0-0 12.Be2 and White's advantage is beyond question, but 11.¥xe5 is even more vigorous.) 11...Nxe5 12.f4 Nd7 (12...Ng6 13.Qf3 [with the idea] Bxc5 14.Bb5+ c6 15.Nxc6 bxc6 16.Bxc6+ Bd7 17.Bxd7+ Qxd7 18.Nxc5 Qd4 19.Nb3 Qxb2 20.0-0 [White is better] /+-) 13.Rc1 a5 14.a4 0-0 15.e5 [White is better] ) 10.Nb5 a4 (10...Bd7 11.Bf4 Nhg6 (11...f6 12.Bxe5 fxe5 13.g3 Ng6 (13...a4 14.gxh4 [with the idea] axb3 15.Qh5++- ) 14.Qf3+- ) 12.Bxe5 Nxe5 13.Qd5 [White is better] ) 11.Qxd8+ Kxd8 12.N3d4 f6 (12...Bxc5 13.Bg5+ Be7 14.Bxe7+ Kxe7 15.Nxc7+- ) 13.f4 [White is better] ] 9...Bb4+ 10.Kf2 [10.Bd2 Bxd2+ 11.Qxd2 c5 12.f4 (12.Nxc5 Qxd4! 13.Qxd4 Nhxf3+ 14.gxf3 Nxf3+ 15.Kf2 Nxd4 ) 12...cxd4 13.fxe5 [White is slightly better] ] 10...c5 [[better is] 10...0-0 [Unclear] ] 11.a3 cxd4 12.axb4 d3 13.Be3 [White is slightly better] 0-0 14.Bd4 Qe7 15.Bxe5 Qxe5 16.Bxd3 Be6 17.Qe2 b5 18.Ra5 Rab8 19.g3 Ng6 20.Rc1 Rfd8 21.Rc3 Qh5 22.Kg1 Ne5 23.Nd2 bxc4 24.Bxc4 Rxd2 25.Qxd2 Nxf3+ 26.Rxf3 Qxf3 27.Bxe6 fxe6 28.Rxa7 Rf8 29.Ra1 Qxe4 30.Re1 Qf3 31.Qe3 Qf6 [31...Qf6 32.Qxe6+ Qxe6 33.Rxe6 [White is better] ] 1/2-1/2

(8) Maksimenko,Andrei (2505) - Antoniewski,Rafal (2512) [D08] POL-chT2 Wysowa (8), 10.09.2007 [Rogozenco] 1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.Nbd2 Nge7 6.Nb3 Nf5 7.e4 dxe3 [7...Bb4+ 8.Bd2 Nh4 (8...Bxd2+ 9.Qxd2 Nh4 10.Nfxd4 Nxe5 11.0-0-0 0-0 12.f4 Nd7 13.g3+- ) 9.Bxb4 (9.Nfxd4 [White is better] ) 9...Nxf3+ 10.gxf3 Nxb4 11.Qd2 Nc6 12.0-0-0 Nxe5 13.f4 Nc6 14.Nxd4 Qe7 15.Nxc6 bxc6 16.Rg1 0-0 17.Qd4 f6 18.f5 a5 19.c5 a4 20.Bc4+ Kh8 21.Rg3+- 1-0 Atalik,E (2399)-Muzychuk,M (2167)/Kusadasi 2006 (37)] 8.Qxd8+ Nxd8 [8...Kxd8 9.fxe3 Bb4+ (9...Be7 10.Bd2 Nh4 11.Bc3 Bg4 12.Kf2 Re8 13.Kg3 Bxf3 14.gxf3 Nf5+ 15.Kf4 g6 16.Rd1+ Kc8 17.Bh3+- 1-0 Dokutchaev,A (2409)-Niemela,A (2252)/Finland 2006 (25); 9...Nfe7 10.Nbd4 g6 11.Bd2 Bg7 12.Bc3 [White is better] 1-0 Van Ketel,R (2285)-Aranovitch,E (2385)/Kallithea 2008 (29)) 10.Kf2 Be7 (10...Re8 11.e4 [White is better] ) 11.Nbd4 Bd7 12.Bd3 Nh4 13.Be4 Ng6 14.Nxc6+ Bxc6 15.Bd5 Rf8 16.b3 Kc8 17.Bxc6 bxc6 18.Bb2 [White is better] 1-0 Jojua,D (2484)-Adnani,M (2326)/Manama 2009 (38)] 9.fxe3 Ne7 Black realizes the impossibility of regaining the pawn and intends to blockade it on e6. This is an interesting plan, although it is clear that basically only two results are possible and Black must struggle. White's chances are preferable also thanks to his space advantage. [9...Bb4+ 10.Kf2 Be7 (10...0-0 11.g4 Nh6 12.h3 Kh8 13.Bd3 Ne6 14.Nbd4 a5 15.a3 Bc5 16.Bd2 [White is better] 1-0 Palliser,R (2413)-Bonafont,P (2124)/Torquay 2009 (25)) 11.Nbd4 0-0 12.Bd3 Nh4 13.Bc2 c6 14.Bd2 Re8 15.Bc3 a5 16.a3 a4 17.Rad1 g6 18.Kg3 [White is better] 1-0 De Jong,J (2409)-Docx,S (2394)/Gent 2006 (48); 9...Nc6 10.Bd3 Bb4+ (10...Nfe7 11.Nbd4 Bg4 12.h3 Bxf3 13.Nxf3 Ng6 14.Bxg6 hxg6 15.Ke2 0-0-0 16.b3 Nb4 17.Bb2 Nd3 18.Bd4 Nc5 19.Ng5 Rd7 20.Rhf1 [White is better] ½-½ Lehmann,H-Smederevac,P/Beverwijk 1965 (70)) 11.Kf2 Be7 12.Bd2 Nh4 13.Bc3 Ng6 14.Be4 Bd7 15.Rad1 0-0-0 16.Bd5 Rhf8 17.a3 [White is better] 1-0 Drozdovskij,Y (2627)-Bauer,C (2590)/Ourense 2009 (62)] 10.Bd2 Nec6 11.Nbd4 Bd7 12.Bd3 Bb4 13.0-0-0 Bxd2+ 14.Rxd2 Nb4 15.Bb1 Ne6 16.Rhd1 [White is slightly better] / [White is better] 16...0-0-0 17.a3 Nc6 18.Be4 [White misses the opportunity to activate his rooks: 18.Nxc6 Bxc6 19.Nd4 Rde8 (19...Bd7 20.Rf1 Rdf8 (20...Rhf8 21.Rdf2+- ) 21.h4 [White is better] ) 20.Nxc6 bxc6 21.Rd7 Rhf8 22.b4 [White is slightly better] / [White is better]] 18...Na5 19.Nxe6 [[better is] 19.Bd5 Nxd4 20.Nxd4 c5 21.b4 cxd4 22.bxa5 dxe3 23.Rd3 [White is slightly better] ] 19...Nb3+? [After the correct 19...Bxe6 Black should be able to escape.] 20.Kc2 Nxd2 21.Bxb7+! Kb8 [21...Kxb7 22.Nxd8+ Rxd8 23.Rxd2+- ] 22.Nxd8 Ba4+ 23.Kxd2 Rxd8+ 24.Bd5 Bxd1 25.Kxd1 c6 26.Nd4 1-0