A00 Irregular Openings (1.Nc3 d5 2.e4 d4 3.Nce2 e5 4.Ng3 c5 5.Nf3 Nc6)

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Move	N	Result	Elo

1.e4	1,166,623	54%	2421
1.d4	947,298	55%	2434
1.Nf3	281,602	56%	2441
1.c4	182,102	56%	2442
1.g3	19,702	56%	2427
1.b3	14,265	54%	2427
1.f4	5,897	48%	2377
1.Nc3	3,801	51%	2384
1.b4	1,756	48%	2380
1.a3	1,206	54%	2404
1.e3	1,068	48%	2408
1.d3	954	50%	2378
1.g4	664	46%	2360
1.h4	446	53%	2374
1.c3	433	51%	2426
1.h3	280	56%	2418
1.a4	110	60%	2466
1.f3	92	46%	2436
1.Nh3	89	66%	2508
1.Na3	42	62%	2482

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1.Nc3 d5 2.e4 d4 3.Nce2 e5 4.Ng3 c5 5.Nf3 Nc6 A00 Irregular Openings 5...Bd6= 6.Bc4 6.Bb5 6...Be7 6...Bd6 7.0-0 7.Bd5 7...Nf6 7...h5! 8.d3 White is slightly better. 0-0 8...Qc7= 8...a6 9.a4 0-0 10.Bd2 Ne8 11.a5 Bg4 12.h3 Bxf3 13.Qxf3 Bg5 14.Be1 g6 15.Ne2 Ng7 16.g3 Kh8 17.Qg2 f5 18.f4 Bf6 19.Bd2 Qd7 20.Rae1 Rae8 21.fxe5 Bxe5 22.Nf4 Bc7 23.exf5 Demidov,M (2512)-Davydov,S (2252) Kazan 2014 1-0 (41) 9.Bg5 9.Bb5 9...Bg4 Black should try 9...h6 10.Bd2 Be6 10.h3 Bd7 10...Be6= 11.Nh4N 11.c3± 11.a3 h6 12.Bd2 a6 13.Re1 b5 14.Ba2 Qc7 15.Qc1 Qd6 16.Nh4 Nh7 17.Nhf5 Bxf5 18.Nxf5 Qf6 19.f4 h5 20.Rf1 g6 21.fxe5 Qxe5 22.Nh6+ Kg7 23.Nxf7 Rxf7 24.Rxf7+ Kh8 25.Bf4 Qg7 Sanjose Torres, C (2023)-Leon Fernandez,M Zaragoza 2003 1-0 (33) 11...h6 11...Ne8 12.Bxe7 Qxe7 12.Bxf6 12.Bd2 12...Bxf6 13.Nhf5 13.Nf3= 13...a6 13...Bg5 14.Qg4 Kh7 14.Qg4

14.Nh5!= remains equal. 14...Kh7! 15.Qh5? 15.Nh5! 15...Be6 15...Bg5-+ 16.Bxf7 Qf6 16.f4? 16.Ne2 16...Bxc4 16...exf4 17.Ne2 Bxc4 18.dxc4 Bg5 17.dxc4-+ Ne7? 17...exf4-+ 18.e5 Bxe5 18.fxe5!= Bxe5? 18...Bg5= and Black is okay. 19.Nxh6!+- gxh6 20.Qxe5 Nh5 is the strong threat. Ng6 21.Qh5 White attacks with force. Qg5 22.Qxg5 hxg5 23.Nf5? Better is 23.Rf5+- 23...Rfe8? 23...Rad8 24.Rae1? 24.Nd6+- 24...Re5? 24...Rad8 25.Nd6 Nf4 25...Re7 was called for. 26.Rxf7+ Rxf7 26.Nxf7 Re7 27.Nxg5+ Kg6 28.Rxf4 And now Rg4 would win. Kxg5 Endgame KRR-KRR 29.Rg4+ Kf6 30.Rf1+ Ke6 31.Rg6+ Kd7 32.g4 Rxe4 32...b5 33.Rf5 Rxe4 34.Rd5+ Ke7 35.Rxc5 Kf7 33.Rf7+ Re7 34.Rxe7+ Kxe7 KR-KR 35.Rg7+ Kf6 36.Rxb7 Re8 37.Kf2 Re3 38.h4 Re4 39.Rb6+ Kg7 40.Kf3 Re3+ 41.Kf4 Re2 42.Kg5 Re5+ 43.Kf4 Re2 44.Rxa6 Rxc2 45.Kg5 Rxb2 46.Ra7+ Kf8 47.Kf6 47.h5 Rb8 48.h6 47...Ke8 48.h5 Rf2+ 49.Kg6 d3 50.h6?? 50.Rb7+- 50...d2-+ 51.h7 d1Q??

51...Rh2-+ 52.Ra8+ Ke7 52.h8Q+ White mates. Rf8 53.Qe5+ Kd8 54.Qc7+ Ke8 55.Qe7# Accuracy: White = 27%, Black = 10%. 1–0

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White	EloW	Black	EloB	Res

Shoshin1

1634

Vierjoki,T

1702

1–0

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