H παρτίδα του Στράτου Γρίβα στον 5ο γύρο της Β' Εθνικής

ESSNA Team’s Championship 2009

B’ Division

By Efstratios Grivas © 2009

Round 5 (15.02.2009)

A.E.K. – A.S.O.P. Dias

Board 1

□ Grivas,Efstratios (2505)

■ Kalesis,Nikolaos (2469)

E16 Ch-tt-GRE Athens (4), 15.02.2009

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 b6 5.g3 Bb7 6.Bg2 0–0 7.0–0 d5 8.cxd5 (D)

8...Bxd5

8...exd5 9.Ne5 Re8 (9...Bd6 10.Ndc4 Be7 11.Ne3 Qc8 12.Qc2 g6 13.b3 c5 14.Bb2 Na6 15.Rac1 Qe6 16.Nd3 += Grivas,E-Renet,O/Yerevan 1996 ; 9...Bxd2 10.Bxd2 Nbd7 11.Bg5 += Grivas,E-Managadze,N/Athens 2001) 10.Ndf3 (10.Qa4 Bd6 11.Ndc4 Bf8 12.Bf4 += Kozul,Z-Dizdar,G/Pula 1999) 10...Ne4 (10...Bd6 11.Bf4 += Sakaev,K-Balashov,Y/Ekaterinburg 2002) 11.Be3 Bd6 12.Nd3 c5 13.dxc5 bxc5 14.Rc1 Na6 15.Nd2 d4 16.Bf4 Bxf4 17.Nxf4 Grivas,E-Kurajica,B/Elista 1998.

9.Re1

a) 9.Qc2 Bxd2 (9...Nbd7 10.e4 [10.a3 Bxd2 11.Bxd2 c5 12.dxc5 Nxc5 13.b4 Nb3 14.Rad1 Rc8 15.Qb2 Nxd2 16.Nxd2 Bxg2 17.Kxg2 Qc7 18.Rc1 Qb7+ 19.Nf3 ½–½ Chernin,A-Larsen,B/Buenos Aires 1992] 10...Bb7 11.e5 Nd5 12.Ne4 Re8 13.Bg5 += Izsak,G-Anka,E/Budapest 2004) 10.Bxd2 Nbd7 11.b4 Rc8 12.a4 c5 13.dxc5 bxc5 14.b5 += Peng,Z-Van Vliet,J/Haarlem 2008.

b) 9.a3 Bxd2 (9...Be7 10.Qc2 c5 [10...Nbd7 11.e4 Bb7 12.e5 Nd5 13.Ne4 h6 14.Re1 c5 15.dxc5 Nxc5 16.Nxc5 Bxc5 17.b4 Be7 18.Qe4 += Grivas,E-Kalesis,N/Aghia Pelagia 2004] 11.e4 Bb7 12.dxc5 Bxc5 13.b4 Be7 14.Bb2 += Luechtemeier,P-Schuetzhold,F/Leipzig 2003) 10.Bxd2 Nbd7 11.b4 Ne4 12.b5 Nxd2 13.Qxd2 a6 14.a4 Nf6 15.Rfc1 Qd6 16.Qb2 Ra7 17.Ne5 Bxg2 18.Kxg2 axb5 19.axb5 += Meister,P-Romanishin,O/Bad Wiessee 2005.

9...Bxd2

9...Ne4 10.Qc2 Bxd2 11.Bxd2 Nxd2 (11...Nd7 12.Bf4 +=) 12.Qxd2 Be4 13.Ne5 Bxg2 14.Kxg2 Nc6 15.Nxc6 Qd5+ 16.e4 Qxc6 17.Rac1 +=.

10.Qxd2!? Nbd7 11.b3?!

11.b4 c6 (11...b5 12.a4 a6 13.a5 +=) 12.Qf4 Qb8 13.Qh4 Ne4 14.Ng5 Nxg5 15.Bxg5 +=.

11...a5!

11...c5 12.Ba3 Ne4 13.Qe3 Rc8 14.Rac1 +=.

12.Ba3 Re8

12...c5 13.Qf4 Ne4 14.dxc5 Ndxc5 15.Ne5 +=.

13.Qf4 Nh5

13...a4 14.e4! axb3 15.axb3 Bxb3 16.Nd2 Ba4 17.Bb2 =/oo.

14.Qe3 Nhf6 15.Rec1

15.Qf4 Nh5 =.

15...a4 16.Nd2?

16.Qf4 c5 17.dxc5 axb3 18.axb3 bxc5 19.Qe3 =.

16...Bxg2 17.Kxg2 e5! 18.dxe5 Nxe5 19.Qc3 (D)

19...Neg4?

19...Qd5+ 20.Kg1 (20.Nf3 Neg4! [20...Nxf3 21.Qxf3 {21.exf3!} 21...Rxe2 22.Rxc7 Rae8 23.Rc4 Ne4 24.Rf1 Rxa2 25.Rxa4 b5 26.Ra5 Qd7 -/+] 21.Qb2 [21.Rc2 Nxf2 22.Qxc7 Qf5 -/+] 21...Ne4 -/+) 20...Rad8 21.Rd1 Neg4 22.Qc4 b5 23.Qxd5 Nxd5 24.h3 Ngf6 25.Nf3 Rxe2 -/+.

20.e4! Nxe4 21.Nxe4 Rxe4 22.Qxc7

22.Bb2 Ne5 (22...f6 23.Qf3 a3 24.Qxe4 [24.Bxa3 Nxf2 25.Kxf2 Qd4+ 26.Kg2 Rxa3 27.Rxc7 oo] 24...axb2 25.Qxg4 Rxa2 [25...Qd5+ 26.Kg1 {26.Qf3? Qxf3+ 27.Kxf3 Rxa2! 28.Rab1 bxc1Q 29.Rxc1 c5 -/+} 26...h5 27.Qd1 =]) 23.Qxc7 Nd3 24.Qc3 Nxb2 25.Qxb2 Qd5 26.Kg1 = ; 22.Qf3 Qd5 (22...Rd4 23.Rd1 ; 22...Nf6 23.Bb2 axb3 24.Bxf6 gxf6 25.axb3 Rxa1 26.Rxa1 Qd5 27.Ra7 =/oo) 23.Rc4 Rae8 24.Rd1 Qa8 25.Rxe4 Rxe4 26.Bb2 axb3 27.axb3 Re8 28.Qxa8 Rxa8 29.Rd7 =/oo.

22...Qd4 (D)

22...Qd5 23.Qc6 Qxc6 24.Rxc6 Re2 25.Kf3 Rxa2 26.Rxa2 Ne5+ 27.Kg2 Nxc6 (27...axb3 28.Bb2 bxa2 29.Bxe5 f6 30.Ba1 b5 =) 28.bxa4 Rxa4 29.Rc2 Rxa3 30.Rxc6 g6 31.Rxb6 =.

23.Qc8+?!

23.Qc2 Rae8 24.Re1! Rxe1 25.Rxe1 =.

23...Re8 24.Qf5

24.Qc2 Qd5+ 25.Kg1 Ne5 -+.

24...g6 25.Qf3?

25.Qf4 Qd5+ (25...Qxf4 26.gxf4 Nf6 27.Bb2 Nd5 28.Kf3 =) 26.Qf3 Qxf3+ 27.Kxf3 Nxh2+ 28.Kg2 Ng4 29.Bb2 =+.

25...Ne5 -+ 26.Qd1

26.Qb7 Rab8 -+ (26...Reb8? 27.Rd1!).

26...Nd3 27.Rc4

27.Qd2 Qe4+ 28.f3 Qe2+ 29.Qxe2 Rxe2+ 30.Kf1 Nxc1 -+.

27...Qxf2+ 28.Kh3 Qf5+ 29.Kg2 Re1

0–1

Η παρτίδα του Στράτου Γρίβα στον 4ο γύρο της Β' Εθνικής

Round 4 (08.02.2009)

S.O. Neas Filadelfias – A.E.K.

Board 1

□ Balaskas,Nikolaos (2244)

■ Grivas,Efstratios (2505)

A08 Ch-tt-GRE Athens (3), 08.02.2009

1.e4 c5 2.Nf3 Nc6 3.d3 e6 4.g3 d5 5.Nbd2 Bd6 6.Bg2 Nge7 7.0–0 0–0 8.Re1

8.Nh4 Bd7 (8...b5 9.f4 f6 10.exd5?! exd5 11.f5 Rb8 12.g4?! Qc7 13.Ndf3 Bd7 14.Bh3 Ne5 15.Bf4 d4 -/+ ½–½ Managadze,N-Grivas,E/Athens 2002) 9.f4 f6 (9...b5 10.c3 Rb8 11.Qh5 f5 oo Dimitrov,P-Grivas,E/Plovdiv 1983) 10.f5 Ne5 11.fxe6 Bxe6 12.exd5 Bxd5 13.Bxd5+ Nxd5 14.Ne4 Re8 15.Nf5 Bf8 = Barbero,G-Sokolov,A/Switzerland 1999.

8...Bc7

8...f5 9.c3 f4 10.e5 Bc7 11.d4 fxg3 12.hxg3 cxd4 13.cxd4 Nf5 14.Nb3 = Grivas,E-Ambakoumkin,G/Athens 1981.

9.c3

9.Nf1 b6 10.exd5 exd5 11.d4 Bf5 12.Be3 c4 13.Qd2 Ng6 = Ramsingh,Y-Grivas,E/Belfort 1983.

9...a5

a) 9...b6 10.Nf1?! Ba6 11.e5 d4 12.c4 Qd7 13.h4 Ng6 14.Bf4 Bb7 15.h5 Nxf4 16.gxf4 f6 -/+ Doudonis,H-Grivas,E/Athens 1984.

b) 9...Rb8 10.a3 a5 11.a4 b6 12.Qc2?! Ba6 13.Bf1 Qd7 14.Nb1 Ng6 15.Na3 f5 =+ Makropoulos,G-Grivas,E/Athens 1989.

10.a4 b6 11.exd5

a) 11.e5?! Ba6 12.d4 cxd4 =+ Yurtaev,L-Ehlvest,J/Volgodonsk 1983.

b) 11.h4 Ba6 12.exd5 Nxd5 13.Nc4 Ra7 14.Na3 Bb8 15.Nb5 Rd7 oo Lau,R-Vatter,H/Germany 1988.

11...exd5 12.Nb1

a) 12.Nf1 h6 13.d4 Be6 14.b3 Rc8 15.Ba3 Bd6 16.Ne3 cxd4 17.Nxd4 Nxd4 18.Bxd6 Qxd6 19.Qxd4 Qc5 20.Rac1 Rfd8 = Baeumlin,F-Sokolov,A/St Chely d'Aubrac 2008.

b) 12.Nb3 Bg4 13.d4 Bd6 14.h3 Bh5 15.Be3 c4 16.Nbd2 f6 17.b3 cxb3 18.Qxb3 Bf7 oo Zolnierowicz,K-Haba,P/Ceske Budejovice 1995.

c) 12.d4 cxd4 13.Nxd4 Nxd4 14.cxd4 Nc6 15.Nf1 Bf5 16.Ne3 Be4 = Siepelt,H-Raupp,T/Bad Wildbad 1993.

12...Bf5N (D)

12...Bg4 13.Na3 Rc8 (13...d4?! 14.Nb5 dxc3 15.bxc3 Rc8 16.Ba3 +/- Vaganian,R-Sokolov,A/Minsk 1986) 14.Nb5 Bb8 15.d4 (15.h3 Bf5 16.Be3 Qd7 17.Kh2 h6 = Haapasalo,J-Kiik,K/Espoo 1990) 15...Qd7 (15...c4 16.b3 Siepelt,H-Gofshtein,L/Wuerzburg 1996) 16.b3 Rfe8 oo Balaskas,N-Grivas,E/Afitos 1991.

13.Na3 Rc8 14.Nb5 Bb8 15.d4 Re8?!

15...Be4 16.Bh3 Bf5 =.

16.Be3

16.dxc5 bxc5 17.Be3 Qb6 oo.

16...c4 17.Qd2

17.b3 cxb3 18.Qxb3 Be4 19.Nh4 Qd7 oo.

17...Ng6 18.h4! h5 19.Kh1?

19.Nh2! Nf8 (19...Be4 20.Bh3 f5 21.Bg5 Qd7 22.Qd1 +/-) 20.Bf4 Qd7 21.Bxb8 Rxb8 22.Nf1 +=.

19...Qd7!

19...Be4 20.Ng5 Bxg2+ 21.Kxg2 f6 22.Nh3 =.

20.Ng1

20.Ne5 Ngxe5 21.dxe5 Nxe5 22.Qxd5 Nd3 -/+.

20...Be4 21.Qd1 Qf5 22.Bxe4?

22.Nf3 f6 23.Kg1 Re6 =+.

22...dxe4?

22...Rxe4 23.Kg2 (23.Qf3?! Nxh4! -+) 23...Rce8 24.Qf3 Nxh4+ 25.gxh4 Rg4+ -+.

23.Kg2

23.d5 Nce5 24.Nd4 Qd7 25.Qxh5 Nd3 26.Re2 Re5 -+.

23...Nce7! 24.Nh3 Nd5 25.Qe2 Rc6 26.Na3? (D)

26.Bg5 f6 27.Bd2 Rce6 -/+.

26...Nxh4+! -+ 27.gxh4 Rg6+ 28.Bg5

28.Ng5 f6 29.Nxc4 fxg5 -+.

28...f6 29.Nxc4

29.f4 fxg5 30.fxg5 Nf4+ 31.Nxf4 Qxf4 -+ ; 29.Rh1 fxg5 30.hxg5 Rxg5+ 31.Kf1 Rg6 -+.

29...fxg5 30.Ne5

30.hxg5 Nf4+ 31.Nxf4 Qxg5+ -+.

30...Nf4+ 31.Nxf4 gxf4+ 32.Nxg6 f3+

0–1

Σχολιασμένη η παρτίδα του Στράτου Γρίβα

ESSNA Team’s Championship 2009

B’ Division

By Efstratios Grivas © 2009

Round 1 (18.01.2009)

S.M.A.O. Kesiarianis – A.E.K.

Board 1

□ Galanos,Dimitrios (2145)

■ Grivas,Efstratios (2505)

C45 Ch-tt-GRE Athens (1), 18.01.2009

Efstratios Grivas

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bb4+ (D)

5.c3

5.Bd2 Qe7 (5...Qh4?! 6.Nb5 Qxe4+ 7.Be2 Qe5 [7...Kd8] 8.Bxb4 [8.N1c3!] 8...Nxb4 9.N1c3 a6 10.Nd4? Qxd4 0–1 Georgiopoulos,H-Delithanasis,D/Athens 2007)

6.Nb5 (6.Nxc6? Qxe4+ David,R-Fenyes,G/Goed 2004)

6...Bxd2+ 7.Nxd2 (7.Qxd2? d6 8.N1c3 Nf6 9.Be2 a6 10.Nd4 Nxe4 11.Nxc6 bxc6 12.Nxe4 Qxe4 13.0–0–0 0–0 -/+ Radulov,I-Bojkov,D/Sunny Beach 2006) 7...d6 8.c3 Nf6 9.Bd3 0–0 = Mihailidis,A-Mastrovasilis,A/Athens 2002.

5...Be7 6.Nf5

10...c5 11.Re1 Re8 12.Nf1 Bd7 13.Qc2 Bc6 14.b4 cxb4 15.cxb4 Qd7 16.Bb2 a5 17.a3 ½–½ Van der Wiel,J-Tal,M/Brussels 1987) 7...Nf6 (7...Bf6 8.Qb3 Qe7 9.0–0 += Anka,E-Balashov,Y/Wisla 1992)

8.e5 Ne4!? (8...Nd5 9.0–0 [9.Bxd5 cxd5 10.Qxd5 Ba6 11.c4 c6 12.Qe4 0–0 13.0–0 f6 =/oo Kholmov,R-Malaniuk,V/Katowice 1993] 9...Nb6 10.Bb3 d5 11.exd6 cxd6 12.Nd2 0–0 13.Nc4 d5 14.Nxb6 axb6 15.Qf3 ½–½ Yandemirov,V-Malaniuk,V/Katowice 1993)

9.0–0 (9.Qf3 d5 10.exd6 Nxd6 11.Bd3 0–0 12.0–0 Rb8 13.Nd2 c5 14.Nc4 Nxc4 15.Bxc4 Bd6 16.b3 Bb7 17.Qh5 Qf6 = Vragoteris,A-Grivas,E/Iraklion 1994 ;

9.Qg4 Bg5 10.Bxg5 Qxg5 11.Qxg5 Nxg5 12.Nd2 d5 13.exd6 cxd6 =)

9...0–0 10.Nd2 (10.Qc2 d5 11.exd6 Nxd6 12.Bd3 g6 13.Bh6 Re8 14.Nd2 Bf5 = Pavasovic,D-Stocek,J/Mallorca 2004)

10...Nxd2 11.Bxd2 d6 ½–½ Tiviakov,S-Aronian,L/Warsaw 2005.

b) 6.Bc4 Nf6 (6...d6 7.Nxc6 bxc6 8.Qb3 Nf6 9.Bxf7+ Kf8 10.e5 Nd7 11.e6 Nc5 12.Qc2 Nxe6 13.Bh5 g6 14.Be2 ½–½ Ivanchuk,V-Vescovi,G/Hyderabad 2002 ;

6...Bf6 7.Nxc6 [7.0–0 Nge7 8.Be3 0–0 9.f4 d5] 7...bxc6 [7...dxc6 8.Qxd8+ Bxd8 9.Be3 Nf6 10.Nd2 0–0 11.f3 += Baklan,V-Garbisu de Goni,U/Sabadell 2007]

8.Qb3 Qe7 9.0–0 d6 +=) 7.Nf5 0–0 8.0–0 Bc5 9.Bg5 Ne5 10.Bb3 h6 11.Be3 d6 12.Bxc5 Bxf5 13.exf5 dxc5 = De la Paz Perdomo,F-Bruzon Bautista,L/Holguin City 2002.

c) 6.Be3 Nf6 7.Nd2 0–0 8.Be2 d5 (8...Re8 9.0–0 Bf8 10.Bg5 h6 oo Kiik,K-Malaniuk,V/St Petersburg 1996)

9.Nxc6 bxc6 10.e5 Nd7 11.Nf3 f6 12.Qa4 c5 13.Rd1 Nb6 14.Qa5 Bg4 15.Bxc5 Bxc5 16.Qxc5 fxe5 17.0–0 Re8 ½–½ Giesen,D-Hecht,H/Schwarzach 2001.

d) 6.Bd3 Nf6 7.0–0 0–0 8.Nxc6 bxc6 (8...dxc6 9.Bc2 Ng4 10.Qxd8 Rxd8 11.Nd2 Ne5 12.Nb3 c5 13.Na5 b6 14.Bf4 Ng6 15.Nc6 Nxf4

a) 6.Nxc6 bxc6 7.Bc4 (7.Bd3 d6 8.0–0 Nf6 9.Nd2 0–0 10.Qa4 [10.Qc2 Re8 11.f4 Nd7 12.b4 a5 13.Nb3 axb4 14.cxb4 Ba6 = Parligras,M-Istratescu,A/Bucharest 2000]

16.Nxe7+ Kf8 17.Nxc8 Raxc8 18.Rfd1 c4 = Berelovich,A-Baramidze,D/Germany 2008)

9.c4 d5 10.exd5 cxd5 11.cxd5 Bb7 = Turtiainen,T-Ojanen,J/Helsinki 2005.

e) 6.Bf4 d6 (6...Nf6 7.e5 Nd5 8.Bg3 0–0 9.Nxc6 bxc6 10.Bd3 Bg5 =+ Burg,T-Van der Wiel,J/Groningen NED 2008)

7.c4 (7.Nxc6 bxc6 8.Be2 Nf6 9.Nd2 0–0 10.0–0 Re8 11.Re1 Bf8 12.Bf1 g6 13.h3 Bg7 14.Qa4 Bd7 15.Rad1 Qb8 oo Tatai,S-Hecht,H/Saint Vincent 2003)

7...Bf6 8.Be3 Nge7 9.Nc3 0–0 10.Be2 Bxd4 11.Bxd4 f5 12.Bf3 Be6 =+ Castro Rojas,O-Grivas,E/Novi Sad 1990.

6...Bf6 7.Bc4

7.Ne3 g6 (7...d6 8.Nd5 Be7 9.c4 Nf6 10.Nxe7 Qxe7 11.f3 0–0 12.Nc3 += Varavin,V-Yandemirov,V/Nizhnij Novgorod 1999 ;

7...Bg5 8.g3 Bxe3 9.Bxe3 Nf6 10.Bg2 0–0 11.c4 d6 12.0–0 Be6 13.b3 Qd7 14.Bg5 Ne8 15.Re1 Bg4 16.f3 += Sax,G-Djuric,S/Italy 1995; 7...Nge7 8.g3 d6 9.Bg2 g6 10.0–0 Bg7 11.f4 h5 [11...0–0?! 12.f5 += Golubev,M-Itkis,B/Illichevsk 2006]

12.Na3 h4 oo) 8.g3 (8.Nd5 Bg7 9.Na3 a6 10.Nc4 d6 11.Be2 Nf6 12.Bg5 h6 13.Bh4 Be6 14.Nce3 g5 15.Nxf6+ Qxf6 [15...Bxf6 16.Bg3 Be5 17.Nd5 Ne7 18.0–0 Bxd5 19.exd5 Ng6 20.Qb3 Rb8 21.Rae1 Nf4 22.Bxf4 gxf4 23.Bf3 0–0 24.Re4 += Macieja,B-Bojkov,D/Ermioni 2006] 16.Bg3 0–0–0 =)

8...Bg7 9.Bg2 Nf6 10.0–0 0–0 11.c4 d6 12.Nc3 Re8 oo Ehlvest,J-Christiansen,L/New York 2003.

7...Nge7 (D)

8.Ng3!?

8.Ne3 d6 9.0–0 Be6 10.Bxe6 (10.Bb3 Qd7

11.f4 0–0–0 oo Kucypera,A-Starczewska,M/Krynica 1998 ;

10.Na3 Bxc4 11.Naxc4 Qd7 12.a4 Rd8 13.Nd5 Nxd5 14.exd5 Ne7 15.Ne3 0–0 oo Collas,S-Claverie,C/Port Barcares 2005)

10...fxe6 11.Qb3 Qc8 12.f4 0–0 oo Kovacs,G-Pinkas,K/Budapest 1993.

8...0–0 9.0–0 d6

9...Na5! 10.Bd3 d5 11.Nh5 Be5 = ; 9...d5!? 10.Bxd5 (10.exd5 Na5 11.b3 Nxc4 12.bxc4 Nf5 =/oo)

10...Nxd5 11.exd5 Ne5 12.Na3 Re8 13.Be3 b6 =/oo.

10.f4 Rb8?!

10...d5!? 11.Bxd5 Nxd5 12.exd5 Ne7 13.c4 Nf5 =/oo.

11.a4 a6 12.a5?!

12.Nh5! Ng6 13.Be3 Bh4 (13...b5 14.axb5 axb5 15.Bd5 Bd7 16.Qd3 b4 17.Nd2 bxc3 18.bxc3 +/-)

14.g3 Be7 15.Nd2 Kh8 16.Nb3 +=.

12...b5?!

12...Be6 13.Bd3 Bh4 14.Be3 Bxg3 15.hxg3 f5 oo.

13.axb6 Rxb6 14.Qe2?!

14.Nh5 Ng6 15.Rf2 a5 16.Na3 Bd7 17.Be3 +/-.

14...a5 15.Be3 Rb8 16.Bd3?!

16.Nh5 Ng6 17.Na3 Re8 18.Rfe1 Bd7 19.Bf2 +=.

16...Bh4! 17.f5

17.Na3 Bxg3 18.hxg3 f5 oo.

17...Kh8! 18.Nh5 Ng8 19.Rf4?!

19.Na3 Nf6 20.Nc4 Ba6χ 21.Nxf6 Bxf6 22.Nxa5 Bxd3 23.Qxd3 Nxa5 24.Rxa5 Rxb2 =.

19...Ne5 20.Rxa5 Bg5

20...Rxb2 21.Qxb2 Nxd3 22.Qe2 Nxf4 23.Nxf4 oo.

21.Rf2 Rxb2! 22.Bxg5?!

22.Nd2 Bxe3 23.Qxe3 Nf6 24.Nxf6 Qxf6 25.Be2 Bb7 =+.

22...Rxe2

22...Qxg5? 23.Qxb2 Nxd3 24.Qd2! +/-.

23.Bxd8 Rxf2 24.Kxf2 (D)

24...Rxd8?

24...Nxd3+ 25.Ke3 Ne5 26.Bxc7 Nc4+ 27.Kd4 Nxa5 28.Bxa5 g6 -/+.

25.Nf4 Nf6 26.Bc2 Bb7 27.Nd2 g5! 28.Ne2?!

28.fxg6 hxg6 29.Ra7 Rb8 30.h3 =.

28...Ned7 29.c4 Re8 30.Nc3 Nc5 31.Kf3 Kg7 32.Nd5

32.Ra7 h5 =+.

32...Bxd5 33.cxd5!

33.exd5? Re1 34.Ra2 h5 35.h3 h4 36.Kf2 Rc1 37.Ke3 Nfd7 -/+.

33...Nfd7 34.Ke3 Rb8 35.Ba4?!

35.Ra7 Rb2 36.Bd1 Rb7 (36...Nf6 37.Bf3 [37.Rxc7? Ncxe4!]

37...g4 38.Bd1 Rb4 39.Bc2) 37.Rxb7 Nxb7 =.

35...Ne5 36.Bd1 Rb4! 37.Ra7 Nc4+ T

38.Nxc4 Rxc4 39.Bf3 (39.Rxc7? Rxe4+ 40.Kf2 Rf4+) 39...g4

40.Bxg4 Rxe4+ 41.Kf3 Re7 42.h3 Kf6 =+.

0–1

Παρτίδα του Στράτου Γρίβα (στον 2ο γύρο μπαράζ)

Play-Off / Round 2 (21.09.2008)
A.E.K.– S.M.A.O. Kesarianis
Board 1
□ Grivas,Efstratios (2490)
■ Valden,Petros (2193)
A14 Athens 2008
Times: 2.21–2.26

1.c4 Nf6 2.Nf3 e6 3.g3 d5 4.Bg2 Be7 5.0–0 0–0 6.b3
6.d4.
6...c5 7.cxd5 Nxd5 8.Bb2 Nc6 9.Nc3 Bf6 10.Qc1 b6
10...Nxc3 11.Bxc3 e5 12.d3 Be6 13.Qb2 Nd4 14.e3 Nxf3+ 15.Bxf3 Bd5 16.Be4 Re8 = Speelman,J-Ganguly,S/Bled 2002.
11.Ne4
a) 11.Nxd5 exd5 (11...Bxb2 12.Qxb2 exd5 [12...Qxd5? 13.d4! +/- Burmakin,V-Van Vliet,J/Haarlem 2008] 13.d4 Qf6 14.Qd2 cxd4 15.Rfd1 Ba6 16.Nxd4 Nxd4 17.Qxd4 Qxd4 18.Rxd4 Bxe2 19.Re1 Rae8 20.Bxd5 Bb5 21.Red1 Re7 22.a4 Bd7 23.Kg2 g6 24.h4 h5 25.R1d2 Kg7 ½–½ Horvath,G-Almasi,I/Hungary 1998) 12.d4 Ba6 (12...Nxd4? 13.Nxd4 Bxd4 14.Bxd4 cxd4 15.Rd1 +/- Le Roux,J-Lourdel,A/France 1997) 13.Re1 Nxd4 14.Nxd4 cxd4 15.Qd2 Re8 16.Bxd4 Bxd4 17.Qxd4 Rxe2 18.Bxd5 Rc8 19.Rxe2 Bxe2 = Gross,S-Rigo,J/Rome 1984.
b) 11.Rd1 Ba6 (11...Nxc3 12.dxc3 Qc7 13.Ng5 Bb7 14.Be4 g6 15.Bg2 Rad8 16.Qe3 Rxd1+ 17.Rxd1 Rd8 = Berezin,O-Heberla,B/Swidnica 2000) 12.d3 Rc8 13.Ne4 Bxb2 14.Qxb2 Qe7 15.Rac1 Rfd8 = Johannessen,S-Zuidema,C/Amsterdam 1969.
c) 11.d3 Ba6 12.Nd2 Rc8 13.Nde4 Nd4 14.Nxf6+ Nxf6 15.Rd1 Nd5 16.Rd2 Nb4 17.Qd1 += Hermann,J-Kiparski,M/Ruhrgebiet 2004.
11...Bxb2 12.Qxb2 Bb7
a) 12...Qe7 13.Rac1 e5 14.Nc3 Nxc3 15.dxc3 Bb7 16.Nd2 Rad8 17.Nc4 Rd7 18.Rcd1 Rfd8 19.Qc2 b5 20.Ne3 += Vukanovic,S-Houskova,M/Chrudim 2004.
b) 12...Ba6 13.Rfe1 (13.d3 Qe7 14.Ne5 Nxe5 15.Qxe5 Rad8 = Barea Garcia,L-Foguelman,A/Rio Hondo 1969) 13...Nde7 14.a3 Bb7 += ½–½ Ionescu,C-Lupulescu,C/Tusnad 2004.
13.Rfd1 (D)



13...Nf6?!
13...Qe7 14.d4 (14.d3!? Rac8 15.a3) 14...Nxd4 15.Nxd4 cxd4 16.Rxd4 Rac8 17.Rc1 (17.Rad1 f5! 18.Nd2 Nc3 19.Re1 Qf6 20.Bxb7 Qxd4 21.Nf3 Qd6 22.Bxc8 Rxc8 23.Kg2 =) 17...Ba6 18.Bf3 Rxc1+ 19.Qxc1 Rc8 20.Qd2 = ; 13...f5 14.Nc3 Qf6 15.Rab1 Nxc3 16.Qxc3 =.
14.Nxf6+ Qxf6 15.Qxf6 gxf6 16.a3
16.d4 Nxd4 17.Nxd4 Bxg2 18.Kxg2 cxd4 19.Rxd4 Rfd8 20.Rad1 Rxd4 21.Rxd4 Rc8 22.Rd7 a5 23.Rb7 Rc6 =.
16...Rfd8 17.Rab1 Rac8
17...a5 18.Rdc1 Kg7 19.d3 Rd7 20.Kf1 f5 21.Nd2 +=.
18.d3 Rd7 19.Rdc1 Ne5 20.Nd2 Bxg2 21.Kxg2 Nc6 22.Rb2!
22.b4 cxb4 23.axb4 Rdc7 24.b5 Nd4 25.Rxc7 Rxc7 26.e3 Ne2 27.Nc4 e5 oo.
22...Nd4 23.Kf1 Kg7 (D)



24.b4 Rdc7 25.b5!
Planning a4-a5 and Nc4.
25...Rd8 26.a4 Nf5 27.a5 Nd6
27...bxa5?! 28.Ra1 Nd6 29.Rxa5 Rb7 30.Nc4 Nxc4 31.dxc4 Rd4 32.Ra4 f5 33.e3 Rdd7 34.Ke2 Kf6 35.Ra6 +/-.
28.axb6 axb6 29.Ra1 c4! 30.dxc4 Nxc4 31.Nxc4 Rxc4 32.Ra7! Rc5!
32...Rcd4 33.Rb7 R4d6 34.Rc2 R8d7 35.Rxd7 Rxd7 36.Rc6 Rb7 37.e4 +/-.
33.Rb7 Rd6 34.Ra2 h5 35.Raa7 Rxb5 36.Rxf7+ Kg6 37.Rg7+
37.e4 f5 38.exf5+ Rxf5 39.Rg7+ Kh6 =.
37...Kf5 38.Rh7 Ke4 39.Ra3! f5?!
39...Rf5? 40.f3+ Ke5 41.e4 +- ; 39...Rb2 40.Re3+ Kf5 41.Rxh5+ Kg6 42.Rh8 b5 43.h4 +=.
40.Rxh5 Rb1+ 41.Kg2 b5 42.Re3+ Kd4
42...Kd5 43.g4 b4 44.gxf5 exf5 45.Rxf5+ Kc6 46.h4 +/-.
43.g4! Rd5?!
43...fxg4? 44.Rd3+ +- ; 43...b4 44.gxf5 exf5 45.Rd3+ Kc5 46.Rxf5+ Kc6 47.Rxd6+ Kxd6 48.h4 +/-.
44.Rxe6?
44.g5! f4 45.Rxe6 b4 46.Kf3 b3 47.Kxf4 +-.
44...fxg4 45.Rh4 Rg5 46.Rh7?!
46.h3? Kd5 ; 46.f4! Rg8 47.f5 +/-.
46...Rb2 47.Kg3 Kd5 48.Re8 Rg6 49.Rd7+ Kc6 50.Ra7 Kd5 51.Rb7 b4 52.Rc8 Rxe2?
52...Rf6 53.Rb5+ Kd4 54.Rg5 Rxe2 55.Rxg4+ Kd5 56.Rxb4 Rfxf2 57.h3 Rg2+ 58.Kh4 Rg7 59.Rd8+ Kc5 60.Rb3 +/=.
53.Rb5+ Kd4 54.Rxb4+ Kd5 55.Rf8?
55.Rd8+ Kc5 56.Rxg4 Rxg4+ 57.Kxg4 Rxf2 58.h4 +-.
55...Re1 56.Kg2 Re7 57.Rff4 Reg7 58.Kg3 Rh6 59.Rxg4 Rxg4+ 60.Rxg4 Ke5 = 61.Ra4 Rb6 62.Rf4 Rg6+ 63.Kf3 Rh6 64.h4 (D)



64...Ra6?
64...Ke6 ; 64...Rh5 ; 64...Rh7 ; 64...Rh8 =.
65.Rf8! +- Ra4 66.Kg3! Ke6 67.h5 Ke7 68.Rf4 Ra1 69.h6 Rg1+ 70.Kh2 Rg8 71.h7 Rh8 72.Rh4 Kf6 73.Kg3 Kg5 74.Rh1 Kf5 75.Rh5+ Kf6 76.Kf4 Kg6 77.Kg4 Kf6 78.Rh6+! Kg7 79.Kg5 Kf7 80.Rh1 Kg7 81.Rh3 Ra8 82.h8Q+! Rxh8 83.Rxh8 Kxh8 84.Kf6 Kg8 85.f4
1–0

Παρτίδα του Στράτου Γρίβα (στον 1ο γύρο μπαράζ)

Play-Off / Round 1 (14.09.2008)
A.E.K.– A.E. Pontion Melission
Board 1
□ Grivas,Efstratios (2490)
■ Kefalis,Hristos (2122)
D30 Athens 2008
Times: 0.26–0.38

1.d4 Nf6 2.Nf3 d5 3.c4 c6 4.Nbd2 Bf5 5.Nh4 Bc8
a) 5...Bg4 6.h3 Bh5 7.g4 Bg6 8.Nxg6 hxg6 9.Bg2 e6 10.e4 += Grivas,E-Osmanoglou,H/Kallithea 2008.
b) 5...Bg6 6.Qb3 Qc7 7.Nxg6 hxg6 8.g3 e6 9.Bg2 Nbd7 10.0–0 Be7 11.e4 += Grivas,E-Ketzetzis,G/Kallithea 2008.
6.e3 e6 7.Nhf3 dxc4
a) 7...Bd6 8.Qc2 Nbd7 9.b3 0–0 10.Bb2 Qe7 11.Ne5 Ba3 12.Bxa3 Qxa3 13.Bd3 h6 14.f4 += Kosic,D-Christensen,T/Saint Vincent 2005.
b) 7...Nbd7 8.Bd3 Bd6 9.e4 e5 10.cxd5 cxd5 11.exd5 0–0 12.0–0 exd4 13.Ne4 Nxe4 14.Bxe4 Nf6 15.Qxd4 Nxe4 16.Qxe4 Re8 17.Qd3 Qf6 18.Be3 Bf5 19.Qd2 Be4 ½–½ Kasparov,G-Kramnik,V/Moscow 1998.
8.Nxc4
8.Bxc4 c5 (8...b5 9.Be2 Bb7 10.0–0 Nbd7 11.a4 bxa4 12.Nc4 Be7 13.Qxa4 0–0 14.Na5 Qc7 15.Bd2 Ne4 16.Rfc1 +/- Mainka,G-Voelkel,T/Sueder 1996 ; 8...Nbd7 9.0–0 Qc7 10.b3 b6 11.Bb2 Bb7 12.Qe2 Bd6 13.e4 e5 14.Rfe1 += Le Thanh Huyen-Hoang Thi Bao,T/Vietnam 2002) 9.dxc5 (9.b3 Nc6 10.Bb2 cxd4 11.Nxd4 Bd7 12.0–0 Be7 13.Be2 Nxd4 14.Bxd4 Bc6 15.Bf3 Bxf3 16.Qxf3 Qd7 17.Rfd1 0–0 18.Bxf6 Bxf6 19.Ne4 Qe7 20.Nxf6+ gxf6 21.Rd4 += Leitao,R-Matsuura,E/Sao Paulo 2005) 9...Bxc5 10.0–0 0–0 11.a3 b6 12.b4 Be7 13.Bb2 a5 14.bxa5 Rxa5 15.Qc2 Ba6 16.Bxa6 Rxa6 17.Ne5 Qd5 18.Rfd1 += Bertholdt,D-Fuchs,R/Kienbaum 1958.
8...b5?!
a) 8...Be7 9.Bd3 Nbd7 10.Qc2 c5 11.0–0 b5 12.Nce5 Qb6 13.a4 b4 14.a5 +/- Goetz,A-Diehl,A/Bayern 1999.
b) 8...Nbd7 9.Bd3 c5 10.0–0 Be7 11.Qe2 0–0 12.Rd1 Qc7 13.e4 += Miljkovic,M-Djuric,N/Senta 2007.
9.Nce5 Bb7
9...Be7 10.Bd2 0–0 11.Qc2 Bb7 12.Bd3 a5 13.Ng5 g6 14.h4 +/- Petkov,V-Chirila,I/Galatzi 2007.
10.a4! b4? (D)
10...a6 11.Ng5 Bb4+ 12.Bd2 Bxd2+ 13.Qxd2 0–0 14.Bd3 +/- ; 10...bxa4 11.Qxa4 Nbd7 12.Bd2 +/- ; 10...Bb4+ 11.Bd2 Bxd2+ 12.Qxd2 Ne4 13.Qc2 Qa5+ 14.Nd2 Nxd2 15.Qxd2 Qxd2+ 16.Kxd2 +/-.



11.Ng5! +- Nfd7
11...Rg8 12.Ngxf7 Qe7 13.Bc4 Nbd7 14.Qb3 +- .
12.Ngxf7 Qf6 13.Nxh8
13...Nxe5 14.dxe5 Qxe5 15.Qd8+ Kxd8 16.Nf7+.
1–0

Παρτίδα του Στράτου Γρίβα (με ΣΣ Λάρισας)

Greek Team’s Cup 2008

Final-8 (15.06.2008)

By Efstratios Grivas © 2008

□ Grivas,Efstratios

■ Liakos,Dimitris

A16 Athens 2008

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.Qa4+!? c6!?

a) 5...Bd7 6.Qh4 (6.Qb3 Nb6 7.d4 Be6 8.Qc2 Bg7 9.e4 Bg4 10.Ne5 Bxe5 11.dxe5 Nc6 12.Bb5 Bd7 13.Bxc6 Bxc6 14.Be3 += Gelfand,B-Shirov,A/Dagomys 2008) 6...Nxc3 7.dxc3 e5 8.Bg5 Be7 9.e4 Nc6 10.Bc4 h6 11.Bxe7 Qxe7 12.Qg3 += Kramnik,V-Ivanchuk,V/Las Palmas 1996.

b) 5...Nc6 6.Ne5 Ndb4 (6...Nb6? 7.Nxc6 Nxa4 8.Nxd8 Nxc3 9.Nxf7 +/- Krasenkow,M-Azmaiparashvili,Z/Groningen 1997 ; 6...Nxc3 7.bxc3 Bd7 8.Nxd7 Qxd7 9.Rb1 += Damljanovic,B-Prada Rubin,F/La Coruna 1998) 7.a3 Nc2+ (7...Bg7 8.axb4 Bxe5 9.b5 Nb8 10.e3 0–0 11.d4 Bg7 12.Be2 c6 13.0–0 += Ionov,S-Gubanov,A/St.Petersburg 1997) 8.Qxc2 Nxe5 9.d4! Nd7 (9...Qxd4? 10.Nb5 +-) 10.Bf4 c6 11.Rd1 += Kortcnoi,V-Berkes,F/Paks 2007.

6.Qd4! f6

6...Nf6?! 7.Qxd8+ Kxd8 8.e4 (8.d4 b6 [8...Bf5 9.Ng5 Ke8 10.e4 Bd7 11.Bc4 e6 12.e5 Nd5 13.Nge4 h6 14.Bd2 Be7 15.0–0 +/- Pachman,L-Beggi,P/Reggio Emilia 1975] 9.e4 Nfd7 10.Bc4 Ke8 11.Bf4 Ba6 12.Bb3 e6 13.0–0–0 +/- Alekhine,A-Rellstab,L/Kemeri 1937) 8...Nbd7 9.d4 Bg7 10.Bc4 e6 11.0–0 b5 12.Bd3 a5 13.Bf4 Ba6 14.Rfe1 +/- Volzhin,A-Murawski,G/Wisla 1998.

7.e4 (D)

7...e5!

a) 7...Nb6 8.Qxd8+ Kxd8 9.d4 Bg4 10.Be3 N8d7 11.0–0–0 +/- Milov,V-Zollbrecht,J/Biel 1998.

b) 7...Nc7 8.Qxd8+ Kxd8 9.d4 Bg4 10.Be3 Nd7 11.Be2 Ke8 12.0–0 +/- Petursson,M-Fries Nielsen,J/Graz 1978.

c) 7...Nxc3 8.Qxc3! e5 (8...Bg4?! 9.d4 Bxf3 10.gxf3 a5 11.Be3 e5 12.0–0–0 +- Savchenko,S-Roeber,B/Gelsenkirchen 1999) 9.Bc4 Bg7 10.0–0 Qe7 11.d4 Nd7 12.Be3 exd4 13.Nxd4 Ne5 14.Bb3 +/- f5?! 15.exf5 Bxf5 16.Nxf5 gxf5 17.Bc5 Qh4 18.f4 Ng4 19.Rfe1+ Be5 20.Rxe5+ 1–0 Delchev,A-Kukovec,B/Nova Gorica 2000.

8.Nxe5

8.Qd3?! Nb4 (8...Nxc3 9.Qxd8+ Kxd8 10.dxc3 Be6 11.Be3 Nd7 = Degenhardt,H-Konopka,M/Griesheim 2002) 9.Qb1 Be6! 10.a3 N4a6 11.b4 c5! 12.b5 Nc7 = Jaworski,M-Navara,D/Czech Rep. 1999.

8...Nxc3!

a) 8...Qe7? 9.Nxd5 cxd5 (9...fxe5 10.Nxe7 exd4 11.Nxc8 Nd7 12.Nxa7 Rxa7 13.a3 Nc5 14.d3 +/-) 10.Bb5+ Nd7 11.Nxd7 Bxd7 12.Qxd5 +/- Ostrowski,L-Duesterwald,M/Gausdal 2003.

b) 8...Nb4? 9.Qxd8+ Kxd8 10.Nf7+ Ke8 11.Nxh8 Nc2+ 12.Kd1 Nxa1 13.b3 Be6 (13...Bg7 14.Nxg6 hxg6 15.Bb2 Nxb3 16.axb3 +/-) 14.Bc4 Bxc4 15.bxc4 Bg7 16.Nxg6 hxg6 17.Bb2 Nd7 18.Bxa1 Ne5 19.c5 Nd3 20.Ke2 Nxc5 21.d4 +/-.

c) 8...fxe5? 9.Qxe5+ Qe7 10.Qxh8 Nxc3 11.dxc3 Qxe4+ 12.Be3 Bf5 13.Be2 +-.

9.Qxc3

9.Qxd8+? Kxd8 10.Nf7+ Ke8 11.Nxh8 Nxe4 12.Bc4 Nd6 13.Bg8 (13.Bb3? Bg7 -/+) 13...Bg7 14.Bxh7 Bxh8 15.Bxg6+ Kf8 16.d3 Bf5 17.Bh6+ Bg7 18.Bxg7+ Kxg7 19.Bxf5 ½–½ Marosi,G-Frank,J/Hungary 2002.

9...Qe7 10.Nf3!

10.Nc4 Qxe4+ 11.Kd1!? Kf7! 12.b3 Be6 13.Bb2 Nd7 14.Bd3 Qd5 oo Mohr,G-Kozul,Z/Maribor 1993.

10...Qxe4+

10...Bg7? 11.d3 0–0 12.Be2 Be6 13.0–0 Nd7 14.Qc2 Rae8 15.Be3 c5 16.Rac1 +/- Apro,A-Elo,I/Hungary 1994.

11.Be2 (D)

11...Bg7?

a) 11...Nd7! 12.0–0 Bb4 13.Qe3 (13.d3!? Qe7 14.Qc2 Nb6 [14...0–0 15.Be3 [15.a3 Bd6 16.d4 Nb6 17.Bh6 Re8 oo Wirthensohn,H-Houhou,O/Biel 2002] 15...Nb6 16.a3 += Schlosser,P-Schulze,U/Germany 2002] 15.Bh6 Be6 16.Nd4 0–0–0 17.Nxe6 Qxe6 18.Bf3 g5 19.a3 Bf8 20.Bxf8 Rhxf8 oo Kohlweyer,B-Kozul,Z/Frankfurt 1990) 13...Qxe3 14.dxe3 Nb6 (14...Ke7 15.a3 Bd6 16.b4 += Komljenovic,D-Fernandes,A/Lisbon 2000) 15.Rd1 Be6 16.a3 Be7 17.Nd4 Bc4 18.Bxc4 Nxc4 19.b3 Nb6 20.e4 Kf7 21.Be3 Rhd8 22.a4 += Franco Ocampos,Z-Krupkova,P/Montecatini Terme 1998.

b) 11...Be7? 12.0–0! Bg4 (12...Qxe2 13.Re1 Qb5 14.Qxf6) 13.h3 Qxe2 14.hxg4 Qb5 15.Re1 Nd7 16.Qe3 Qb4 17.Qe6 Kd8 18.d4 Qd6 19.Qf7 Re8 20.g5 Qd5 21.Re6 Nf8 22.Rxe7 1–0 Shchekachev,A-Sebenik,M/Salzburg 2004.

12.0–0! +/- 0–0 13.Re1

13.Bc4+ Kh8 14.Re1 Qg4 (14...Qf4! 15.d4 Qd6 +/-) 15.Re7 Qh5 16.d4 Nd7 17.Qa3! Nb6? 18.Rxg7! 1–0 Kuzev,J-Dovramadjiev,T/Shumen 1997.

13...Kh8 14.d4 Nd7 15.Bc4 Qf5?!

15...Qg4 16.Be6 f5 (16...Qh5?! 17.g4 Qh3 18.Re3! +-) 17.h3 Qh5 18.Bf4 Nf6 19.Bc4 +/-.

16.Be6 Qb5 17.a4! Qb6 18.Bf4?!

18.Nh4! Qd8 19.Nxg6+ hxg6 20.Qh3+.

18...Qd8

18...Ne5 19.dxe5 Bxe6 20.exf6 Rxf6 21.Be5 +-.

19.a5 (D)

19.Nh4! +-.

19...Ne5

19...Re8 20.Ba2 Rxe1+ 21.Rxe1 Nf8 22.Qb4 b6 23.Qc4 +-.

20.Nxe5 Bxe6

20...fxe5 21.Bxe5 Bxe5 (21...Bxe6 22.Bxg7+ Kxg7 23.Rxe6 +-) 22.Rxe5 Qf6 23.Qe3 +-.

21.Nxg6+ hxg6 22.Rxe6 Re8

22...Qd7 23.Rd6 Qf5 24.Bg3 +-.

23.a6! Rxe6

23...bxa6 24.Rxc6 +-.

24.Qh3+

24...Bh6 25.Qxh6+ Kg8 26.axb7 +-.

1–0

Παρτίδα Στράτου Γρίβα (για τον 7ο γύρο της Γ' Εθνικής)

ESSNA Team’s Championship 2008

C’ Division

By Efstratios Grivas © 2008

Round 7 (11.05.2008)

A.E.K.– A.S.A.E.

Board 1

□ Grivas,Efstratios (2498)

■ Tsimboukidis,Anastasios (2026)

A36 Athens 2008

Times: 1.21–1.40

1.c4 c5 2.g3 Nc6 3.Bg2 g6 4.Nc3 Bg7 5.d3 e5 6.e3 Nge7 7.Nge2 d6 8.Rb1 0–0 9.a3 a5 10.0–0 Rb8 11.Bd2

11.b3 Be6 12.Bb2 Qd7 13.Ba1 Bh3 14.Nd5 Bxg2 15.Kxg2 Nxd5 16.cxd5 Ne7 17.e4 b5 = Flores,D-Roy Chowdhury,S/Warsaw 2007.

11...Be6

a) 11...Bf5 12.Qc2 Qd7 13.Nb5 (13.Nd5 b6 14.Rfe1 Nxd5 15.cxd5 Ne7 16.Nc3 += Danov,V-Botvinnik,M/Moscow 1963) 13...Rfd8 14.Nec3 += Kuljabin,V-Rashkovsky,N/Nizhnij Tagil 1998.

b) 11...f5 12.Nd5 (12.f4 Be6 13.Nd5 Kh8 14.Nec3 += Seawald,D-Torman,E/Dearborn 1992) 12...Be6 13.Nec3 g5 14.b4 axb4 15.axb4 cxb4 16.Nxe7+ Nxe7 17.Rxb4 d5 18.cxd5 Nxd5 19.Nxd5 Bxd5 20.e4 fxe4 21.Bxe4 Bxe4 22.dxe4 += Gurevich,M-Poddubnyi,V/Elista 1998.

12.Qc2 (D)

a) 12.Qb3 Qd7 13.Rfc1 (13.Rfd1 Rfd8 14.e4 b6 15.Nb5 Na7 16.Nxa7 Qxa7 17.Nc3 Nc6 18.Nb5 Qd7 = Stripunsky,A-Yudasin,L/New York 2003) 13...Bh3 14.Bxh3 Qxh3 15.Qd1 Qe6 16.Nb5 f5 17.b4 axb4 18.axb4 oo Gurevich,M-Roy Chowdhury,S/Vlissingen 2006.

b) 12.Qa4 d5 13.cxd5 Nxd5 14.Rfd1 Nxc3 15.Bxc3 b5 16.Qc2 Ne7 = Humphreys,J-Osborne,D/Bristol 1992.

12...Qd7?!N

a) 12...f5 13.Nd5 b5 14.cxb5 (14.Nxe7+ Nxe7 15.cxb5 Rxb5 16.b4 axb4 17.axb4 Qd7 = Rickenbach,J-Eymann,H/Leukerbad 1992) 14...Rxb5 15.Qa4 +=.

b) 12...d5 13.cxd5 Nxd5 14.Rfd1 b6 (14...Rc8 15.Qa4 Qd7 16.b3 Rfd8 17.Ne4 oo Watson,J-Kastner,J/Columbus 1977) 15.Qa4 Qd7 16.Qb5 Rfd8 oo Lewi,J-Schmidt,W/Lodz 1968.

13.Nd5 b6 14.Rfc1

14.Nec3!? Bh3 15.Bxh3 Qxh3 16.b4 +=.

14...Bh3 15.Bh1?!

15.Bxh3 Qxh3 16.Nec3 +=.

15...Nxd5! 16.cxd5 Ne7 17.b4 axb4?!

17...cxb4!? 18.axb4 Rfc8 19.Nc3 b5 20.e4 oo.

18.axb4 f5 19.Qb3 Ra8 20.Bg2?!

20.bxc5 bxc5 21.Rxc5 dxc5 22.d6+ Kh8 23.dxe7 Qxe7 24.Bxa8 Rxa8 25.Nc3 Bg4 oo ; 20.Rc4!? g5 21.bxc5 bxc5 22.d4 cxd4 23.exd4 f4 24.dxe5 Bxe5 25.Be4 +=.

20...Bxg2 21.Kxg2 g5 22.f4

22.bxc5 bxc5 23.Nc3? f4 24.Qb7 f3+ 25.Kh1 Qh3 26.Rg1 Rf6!! 27.Qxa8+ Bf8 -+.

22...gxf4 23.exf4? (D)

23.gxf4 Ng6 24.bxc5 bxc5 oo.

23...Qa4!

x d5.

24.fxe5

24.Qxa4 Rxa4 25.bxc5 bxc5 26.Nc3 Rd4 27.fxe5 Bxe5 28.Bg5 Nxd5 29.Nxd5 Rxd5 30.Rb3 Kf7 -/+.

24...Qxb3 25.Rxb3 Bxe5?

25...Ra2! 26.Rd1 (26.exd6 Rxd2 27.dxe7 Rxe2+ 28.Kf3 Rxe7 29.bxc5 bxc5 30.Rxc5 Rd8 -/+) 26...Bxe5 27.bxc5 bxc5 28.Kf3 Nxd5 -/+.

26.bxc5 bxc5 27.Bf4! = Ra2 28.Kf3 Nxd5

28...Ng6 29.Rcb1 Bxf4 30.gxf4 Ne7 31.Rg1+ Kh8 32.Rb7 Nxd5 33.Rgg7 Nf6 34.Ng3 =/oo ; 28...Rd8 29.Bxe5 dxe5 30.Rxc5 e4+ 31.dxe4 fxe4+ 32.Kf2 Nxd5 33.Rcb5 =.

29.Bxe5 dxe5 30.Rxc5 e4+

30...Rd8 31.Nc3 Nxc3 32.Rbxc3 Rxd3+ 33.Rxd3 e4+ 34.Ke3 exd3 35.Kxd3 Rxh2 36.Rxf5 =.

31.dxe4

31.Kf2? Nf6! 32.d4 (32.h3? exd3 33.Rxd3 Ne4+ -+) 32...Ng4+ 33.Ke1 Nxh2 -/+.

31...fxe4+ 32.Kxe4 Rxe2+

32...Nf6+ 33.Kd3 Rd8+ 34.Nd4 Rxh2 35.Rg5+ Kh8 36.Rb6 Rh1 37.Rxf6 Rd1+ 38.Ke3 R1xd4 =.

33.Kxd5 Rxh2 34.Rc7 Rd2+ 35.Ke4 Re2+ 36.Kd3 Rg2 37.Ke4 Re2+

½–½