Novidade na B21
1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Cxc3 Cc6 5.Cf3 d6 6.Ac4 Cf6!? [ 6...e6 7.0-0 a6 ( 7...Cf6 8.De2 a6 9.Td1 Dc7 10.Ag5 Ae7 11.Tac1 0-0 12.Ab3 h6 13.Af4 e5 14.Ae3 Dd8 15.Cd5 Cxd5 16.Axd5 Ad7= Fischer - Kortchnoi, Buenos Aires 1960) 8.De2 Ae7 9.Td1 b5 10.Ab3 Ta7 11.e5!? ( 11.Ae3 Td7 12.Cxb5 axb5 13.Dxb5 Ab7 14.Aa4 e5 15.Tac1 Cf6 16.Ab6~~ - 50/(170)) 11...Td7 12.exd6 Axd6 13.Ce4 Ab8 14.Ae3 Cge7 15.Txd7 Dxd7 16.Td1 Db7~~ - 50/(170)] 7.e5 dxe5 [ 7...Cg4 8.exd6!?© ( 8.e6 Axe6 ( 8...f6 9.Af4 g6 10.Cd4 Cge5 11.Axe5 fxe5 ( 11...dxe5?? 12.Cxc6!+- Dxd1+ 13.Txd1 bxc6 14.Cb5 1-0 Veirush - Mail, (?) 1957) 12.Df3 Db6[] 13.Cxc6 bxc6 14.Td1© ; 8...fxe6 9.Cg5 Cge5=/+ ( 9...Cf6 10.Cxe6© ) ) 9.Axe6 fxe6 10.Cg5 Cf6 11.Cxe6 Dd7 12.De2 Cd8=/+ ) ] 8.Dxd8+ Cxd8 [ 8...Rxd8 9.Cg5 Rc7? ( 9...Ca5!? ) 10.Cxf7 Tg8 11.Cb5+ Rb8 ( 11...Rd7 12.Cg5+- ; 11...Rb6 12.Ae3+ Ra5 13.a3+- ) 12.Cxe5+- Cxe5 13.Af4 Cfd7 14.Axg8 a6 15.Cd4 Ra7 16.0-0 1-0 Matulovich - Vinchenti, (?) 1954] 9.Cb5 Tb8[] 10.Cxe5 e6[] 11.Cc7+ [ 11.Cxa7 Ab4+= ; 11.Af4 Ch5 12.Cxf7 Cxf4 13.Cxh8 Cxg2+ 14.Rf1 Cf4 15.Cxa7 g6 16.Tg1 Ag7~~ ] 11...Re7 12.Ae3 Cc6 [ 12...Rd6? 13.Af4! Re7 ( 13...Rxc7 14.Cxf7+ Rb6 15.Cxh8+- ) 14.0-0-0+/- ] 13.0-0-0 Ce4!? [ 13...Cd7? - 4/383; 13...Ad7!? ] 14.The1 [ 14.Cxc6+ bxc6~~ ] 14...Cxe5 15.Axa7 Cc6 16.Axb8 Cf6 17.Cxe6 fxe6 18.Ac7 Rf7~~ [Da Costa Junior] *
Tutorial elaborado por Sandro D. M. Carvalho
