A00 Irregular Openings (1.b4 e5 2.Bb2 Bxb4 3.Bxe5 Nf6 4.a3)

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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.b4 e5 2.Bb2 Bxb4 3.Bxe5 Nf6 4.a3 A00 Irregular Openings Ba5 5.c4 Nc6 5...0-0 6.e3 d5 7.cxd5 Nbd7 8.Bc3 Bb6 9.d6 cxd6 10.Nf3 Nc5 11.Be2 Be6 12.Nd4 Bd7 13.a4 Nfe4 14.0-0 Nxc3 15.Nxc3 Ba5 16.Nd5 a6 17.Bf3 Rc8 18.Qb1 Bxd2 19.Rd1 Ba5 20.Nf5 Morriss,P (2032)-Vasiukov,E (2448) Katerini 2014 1-0 (35) 6.Bb2 0-0 6...d5 7.Nf3N 7.e3 Re8 8.Nf3 d5 9.cxd5 Nxd5 10.Qb3 Bb6 11.Bb5 Re6 12.Bxc6 bxc6 13.0-0 Rg6 14.Ne5 Re6 15.f4 Qe8 16.Rf3 Bb7 17.d4 Rd8 18.f5 Rh6 19.Ng4 Rh4 20.Ne5 Rd6 21.Nd2 Rf6 Huelle,G (1806)-Bonacic,N (2152) Erfurt 2017 0-1 (33) 7...d6 8.e3 The position is equal. Bg4 8...Ne5= 9.Be2 Re8 10.0-0 Qe7 10...Ne5= 11.d4 d5 11...Ne4= 12.Nbd2 Bxd2 Better is 12...Rad8 13.Qxd2 13.Nxd2± Bxe2 14.Qxe2 13...dxc4= 14.Bxc4 Bxf3 14...Ne4= should be considered. 15.Qd1 Qf6 15.gxf3 Qd7 15...Rad8!= 16.Kh1 Qh3 16...Ne5 17.Be2 c6 17.Qd1 17.Qe2± 17...Ne7 17...Rad8 18.Rg1± Nf5 18...Ng6± is a better defense. 19.Bd3 19.d5+- has better winning chances. 19...Nh4 20.Rg3 Qe6

20...Qd7± might work better. 21.d5!+- Qd6 21...Qxd5 22.Bxf6 22.Bxh7+ Kxh7 23.Rh3 Nxd5? 23...Rh8 24.Rxh4+ Kg8 25.Rg4 25.Qc2 25...g6? Reject 25...f6 26.e4+- 25...Re6 keeps fighting. 26.Rxg7+ Kf8 26.Rd4 26.Rh4 f5 27.Rh8+ Kf7 28.Rh7+ Kg8 29.Rg7+ Kf8 30.Qd4 26...Qb6 27.Rb1 White is out for blood. c6? 27...Nf6 28.Ba1 Qa6 28.Rh4

28...f5 29.Rh8+ Kf7 30.Rh7+ Ke6 31.e4 White mates. Qxf2 32.exd5+ cxd5 33.Bd4 Qa2 34.Qe1+ Kd6 35.Qb4+ Accuracy: White = 59%, Black = 16%. 1–0

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White	EloW	Black	EloB	Res

Haddara,M

1831

Vierjoki,T

1700

1–0

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