64 square madness that some of us call chess...: B33 Sicilian: Pelikan and Sveshnikov Variations (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 d6 6.a4 a6 7.N5a3 Nf6 8.Nc3 Be7 9.Bc4 O-O 10.O-O)

B33 Sicilian: Pelikan and Sveshnikov Variations (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 d6 6.a4 a6 7.N5a3 Nf6 8.Nc3 Be7 9.Bc4 O-O 10.O-O)

This was played in the fourth round of the WORLD OPEN RAPID tournament that was held at the FIDE Online Arena on April 11th 2015. This was my second win in a row after losing five games in a row, so things seemed a little bit brighter at this point in time. There was one more round after this but the game below was the last one for me because in that last round game my opponent decided not to make any moves.

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Move	N	Result	Elo

Replay and check the LiveBook here

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 d6 6.a4 a6 7.N5a3 Nf6 8.Nc3 Be7 9.Bc4 0-0 10.0-0 B33 Sicilian: Pelikan and Sveshnikov Variations. LiveBook: 20 Games Rb8 10...h6 11.Re1 Be6 12.Nd5 Bxd5 13.Bxd5 Nxd5 14.Qxd5 Qd7 15.c3 Qe6 16.Nc4 Rad8 17.Rd1 Qxd5 18.Rxd5 f5 19.Be3 fxe4 20.Bb6 Rd7 21.Rad1 Rf6 22.Nd2 Bf8 23.Nxe4 Rg6 24.Bc5 1-0 (24) Bologan,V (2585) -Moldovan,D (2450) Calimanesti 1992 10...Nd4 11.Qd3 Nd7 12.Be3 Ne6 13.Qd2 Kh8 14.Rfd1 Ng5 15.Bd3 Nc5 16.Nc4 Bg4 17.Bxc5 dxc5 18.Be2 Qxd2 19.Rxd2 Bxe2 20.Rxe2 Bf6 21.Rd1 Ne6 22.Nd5 Nd4 23.Red2 Bg5 24.Nde3 b5 25.Nb6 Brylev,I (2169)-Dambaev,B (1909) Russia 2014 1-0 (41) 11.Be3N 11.Bg5 Be6 12.Bxf6 Bxf6 13.Nd5 Bg5 14.b3 Ne7 15.Qd3 Ng6 16.g3 Kh8 17.Rad1 f5 18.Ne3 fxe4 19.Qxe4 Rf6 1-0 (19) Rincon Gonzalez,D (1986)-Montilla,J (1883) Merida 2010 11.Re1 Qc7 12.Nd5 Nxd5 13.exd5 Nd4 14.c3 Nf5 15.Bd3 g6 16.Nc2 Re8 17.Ne3 Nxe3 18.Bxe3 f5 19.f4 exf4 20.Bxf4 Qc5+ 21.Be3 Qxd5 22.b3 Qc6 23.Bc4+ Kg7 24.Bd4+ Kf8 25.Qd2 g5 Osorio Pando,I-Montilla,J (1883) Merida 2010 1/2-1/2 (50) 11...Be6 12.Qd2?

12.Bb3= and White is okay. 12...Bxc4!-+ Black is clearly better. 13.Nxc4 b5! 14.axb5 axb5 15.Ra6 bxc4?

15...Qc8-+ 16.Rxc6 Qxc6 16.Rxc6= Rxb2 17.Rxc4 Qb8 18.f3 Rc8 19.Rxc8+ Qxc8 20.Rb1 Qb8 21.Qc1 21.Rxb2 feels hotter. Qxb2 22.g3 Qa1+ 23.Kg2 Qa6 24.Qd1 21...Rxb1 22.Qxb1 Qxb1+ 23.Nxb1 Endgame KBN-KBN d5 24.exd5 Nxd5 25.Bd2 Bc5+ 26.Kh1 Kf8 27.Nc3 Nb4 28.Ne4 Be7! 29.c3 Nd3 30.Kg1 f5 31.Ng5 h6 32.Ne6+ Kf7 33.Nc7 Bd6 34.Nd5 White should try 34.Nb5!= Ke6 35.Kf1 34...Ke6! 35.Ne3 Bc5 35...f4 36.Nc4 Bc5+ 37.Kf1 Kd5 36.Kf1= g5 37.g3 f4 38.Ng2 38.Nc2!= is superior. 38...Kd5 39.Ke2 Kc4 40.Ne1 40.h4 40...Nb2 40...Nf2 41.gxf4 gxf4 41.g4 White should play 41.Nc2 41...Na4 41...Bd6 42.Ng2 Na4 42.Nd3 Bd6 43.Nf2 Nxc3+? 43...Nc5 44.Bxc3+- Kxc3 KB-KN 45.Ne4+ White mates. Kd4 46.Nxd6 KN-KP Kd5 47.Nf5 e4 48.Nxh6 KN-K3P Ke5 49.Nf7+ Kf6 50.Nd6 e3 51.Ne4+ Kg6 52.Kd3 Kh6 53.Nc3 Kg6 54.Ke4 Kf6 55.Kd5 Ke7 56.Ke5 Kd7 57.Kf5 Kd6 58.Kxg5 Kc5 59.Kxf4 KN-KP Kd4 60.Ne2+ Kd3 61.Ng3 e2 62.Nxe2! Kxe2 63.g5 Kf2 64.h4 Kg2 65.h5 Accuracy: White = 44%, Black = 47%. 1–0

White	EloW	Black	EloB	Res

Vierjoki,T

1835

elgaxton

1723

1–0

Here are some of the latest and highest rated games that I was able to find in my reference database that reached the position after 10.O-O.