[Event "Landau"] [Site "masterchessopen.com"] [Round "0"] [White "Thomas, J."] [Black "Gerst, M."] [Result "0-1"] [ECO "A02"] [Opening "Bird: From Gambit, 3...Bxd6"] 1.f4 e5 2.fxe5 d6 3.exd6 Bxd6 4.Nf3 g5 5.e4 { An understandable error of judgement, but White does not give his opponent's swashbuckling play enough respect. There are two main alternatives. } ( 5.g3 { , when play might proceed } 5...g4 ( { or } 5...h5 6.d4 g4 7.Nh4 Be7 8.Ng2 h4 9.Bf4 { with a level position, U.Durst-L.Mostertman, Dresden 2008 } ) 6.Nh4 { (an odd-looking place for the knight, but it can always retreat to the g2-square if attacked by a bishop on e7, say) } 6...Ne7 7.d4 Nbc6 8.c3 Ng6 9.Nxg6 hxg6 { (the threat now is ...Bxg3+) } 10.Qd3 { led to roughly equal chances in V.Pogosian-S.Vedmediuc, Peterhof 2008. } ) ( 5.d4 g4 { and now: } 6.-- ( 6.Ng5 { (a risky move because the knight is soon marooned on g5) } ) ( 6.Ne5 Bxe5 7.dxe5 Qxd1+ 8.Kxd1 Nc6 9.Nc3 Be6 10.Bg5 Nxe5 11.Nb5 Kd7 ( 11...f6 12.Nxc7+ Kd7 13.Nxe6 Kxe6 14.Bf4 Rd8+ 15.Ke1 { with an extra pawn and the two bishops, A.Turci-G.Lanzani, Bratto 2004 } ) 12.Ke1 f6 13.Rd1+ Kc8 ( { improving on } 13...Ke7 14.Be3 Bc4 15.Bc5+ Kf7 16.e3 Bxb5 17.Bxb5 Ne7 18.Ke2 { again with the two bishops, S.Tartakower-F.Marshall, Mannheim 1914 } ) 14.Bh4 h5 15.e4 Bd7 16.Nc3 Ng6 17.Bf2 N8e7 18.Kd2 Be6 19.Kc1 { with the slightly better chances, S.Williams-M.Quinn, Witley 1996. } ) ) {#R} 0-1