Interessantes novidades na C37
16384kB, c37.ctg 1.e4 e5 2.f4 exf4 3.Cf3 g5 4.Ac4 g4 5.0-0 gxf3 6.Dxf3 Df6 7.e5 Dxe5 8.d3 Ah6 9.Ad2 Ce7 10.Cc3 Cbc6 [ 10...0-0 11.Tae1 Dc5+ ( 11...Df5 12.Txe7 Dc5+ 13.Te3 fxe3 14.Axf7+ Rh8 15.Ce4 De7! ( 15...Dc6 16.Ac3+ Ag7 17.Axg7+ Rxg7 18.Dg3+ Rh8 ( 18...Rh6 19.Dg5# ) 19.De5+ Df6 20.Dxf6# ) 16.Ac3+ Ag7 17.Axg7+ Rxg7 18.Dg4+ Rh8 19.Cg5 De5! ( 19...Dc5 20.d4 Dxc2 21.Df4 Dg6 22.Axg6 Txf4 23.Txf4 hxg6 24.Tf8+ Rg7 25.Txc8+- ) 20.Dh5 Dg7 21.Cxh7! Dxh7 22.De5+ Dg7 23.Dh5+= Melao) 12.Rh1 Cbc6 ( 12...Cg6? 13.Ce4 Dc6 ( 13...De7 14.Ac3 Ag7 15.Cf6+ Axf6 16.Txe7 Axe7 17.h4!? Axh4 18.Dh5 Cc6 19.Txf4 Cxf4 20.Dh6 Ch5 21.Dxh5 d6 22.Dxh4 Ce5 23.Dg5+ Rh8 24.Df6+ Rg8 25.Ad5-> ) 14.Dh5 Rg7 ( 14...Ag7 15.Cg5 h6 16.Cxf7 Txf7 17.Te8+ Af8 18.Txf4+- ) 15.Ac3+ f6 16.Cxf6 Txf6 17.Te7+! Rf8 18.Dxh6+ Rxe7 19.Dg7+ Re8 20.Axf6+- ; 12...d5N 13.Axd5 ( 13.Txe7 dxc4 ( 13...Dxe7 14.Cxd5 Dd6 15.Ac3 Ag7-/+ ) 14.Cd5 c6 15.Cf6+ Rh8 16.Ab4 Dg5-/+ Melao ( 16...Dxb4 17.De4 Rg7 18.Ch5+= ( 18.Ce8+!? ) ) ) 13...Cbc6 ( 13...Cg6? 14.Dh5 Rg7 15.Ce4+- Leao,T - Melao Jr,H Sao Paulo (Copa Mercosul) 17/10/1999) 14.Ce4! Dxc2 15.Cf6+ Rh8 ( 15...Rg7 16.Ch5+ Rg8 17.Axf4 Axf4 18.Dxf4+- ) 16.Ac3 Ag7 ( 16...Cxd5 17.Dh5+/- ) 17.Te2 Dxc3 ( 17...Da4 18.Dh5-> ) 18.bxc3 Axf6 19.Axc6 Cxc6 20.d4+/= ; 12...c6? 13.Ce4 Df5 14.Ac3 Ag7 15.Cd6 Dg5 16.Txe7 Axc3 ( 16...Dxe7 17.Dg4+- ) 17.Txf7+- ) 13.Axf4 Ag7 14.Ae3 Da5! (ECO C, 1997) 15.Axf7+ Rh8 16.Ad2 d6=/+ /\ 17.Dd1 Db6 18.Dh5 Dxb2 19.Ce4 Dxc2 20.Ab3 Ag4! 21.Dxg4 Dxd3-/+ ; 10...c6? 11.Tae1 Dc5+ 12.Rh1 d5 13.Dh5 Dd6 14.Axd5! cxd5 15.Cb5! Db6 16.Ab4 Cbc6 17.Cd6+ Rd7 18.Aa3+- ECO C, 1981] 11.Tae1 Df5 12.Cd5 Rd8 13.De2 b5?! [ 13...De6! 14.Df3 Df5 15.De2 De6= ] 14.Cxe7! [ 14.Axf4 Axf4 15.Txf4 Dxf4!? 16.Cxf4 ( 16.Cxe7? Cd4! ) 16...bxc4~~ ] 14...Dc5+ 15.Tf2 Cxe7 [ECO C, 1997] [ 15...Dxe7 [Melao Jr.] 16.Ac3! Te8 ( 16...Tg8 17.Dh5 Dg5 18.Dxf7+- ; 16...Dxe2 17.Tfxe2+- ; 16...bxc4 17.Dh5 Dxe1+ ( 17...Dg5 18.Dxf7 Tf8 19.Tfe2+/- ) 18.Axe1 Te8 19.Dh4+! Te7 20.Ac3 Af8 21.Af6 cxd3 22.cxd3 d6 23.Dxh7 Ae6 24.De4 d5 25.Dxf4+/- ) 17.Af6! ( 17.Dh5 Dxe1+ 18.Axe1 Txe1+ 19.Tf1 Txf1+ 20.Rxf1 bxc4 21.Dxh6 Re7 22.dxc4 Aa6=/+ ) 17...bxc4 18.Axe7+ Txe7 19.Dd1 Txe1+ ( 19...cxd3 20.Txe7 Cxe7 ( 20...dxc2 21.Dxc2+- ) 21.Dxd3 Ag7 22.Dxh7 Ad4 23.Rf1 Aa6+ 24.Re1 Axf2+ 25.Rxf2 Cc8 ( 25...Rc8 26.Dxf7 Cc6 27.Dxf4+/- ) 26.Dxf7+/- ) 20.Dxe1 cxd3 21.cxd3 Ag5 22.De4+/- ] 16.Ac3! [Da Costa Junior] 16...Te8 [ 16...Tf8 17.Af6 De3 ( 17...Ag5 18.d4! ) 18.Rf1! ; 16...Tg8 17.Axf7 Tf8 18.Ad4 - 18.Bd4; 16...bxc4 17.Axh8 cxd3 ( 17...Aa6 18.De4+/- ) 18.Dxd3 f5 19.Af6 Af8 20.Te5 Dd6 21.Txf5 Dxd3 22.cxd3 d5 ( 22...d6 23.T5xf4+- ) 23.T5xf4 Re8 24.Ag5+/- ; 16...f3 17.Dxf3 Te8 18.Axf7+- ] 17.Axf7 Tf8 18.Ad4! [ 18.De4 Txf7 19.Dxa8 Cc6 >< Qa8] 18...f3 [ 18...Dg5 19.Txf4! Aa6 ( 19...c6 20.Af6 Dxf4 21.Dxe7+ Rc7 22.Ae5+ ) 20.Tf6 Rc8 21.Dxe7 Ag7 22.Da3+- ; 18...Dd6 19.Ae5! Db6 ( 19...Dc6 20.Axf4! Txf7 21.Axh6+- ; 19...Da6 20.Axf4! Txf7 21.Axh6+- ; 19...Dc5 20.d4! Db6 21.Axf4 Txf7 22.Axh6 Dxd4 23.Ae3 Txf2 ( 23...Dd5 24.Txf7 Dxf7 25.Ag5+- ) 24.Dxf2+- ) 20.Axf4! Txf7 21.Axh6 Dxf2+ 22.Dxf2 Txf2 23.Rxf2 Re8 ( 23...a5 24.Ag5 Ta6 25.Txe7 h6 26.Ah4 c5 27.Th7+ Rc7 28.Ag3+ Rb7 29.Af4+- ; 23...Tb8 24.Ag5 Tb6 25.Txe7 h6 26.Ah4 c5 27.Th7+ Rc7 28.Ag3+ Rb7 29.Af4+- ) 24.Ag5 Rf7 25.Txe7+ Rg6 26.Af4+/- ^- /\ Bd6] 19.Axc5 [ 19.De4!? Dd6 ( 19...Dg5 20.h4+- ) 20.Txf3 ( 20.Dxa8 Txf7!? ; 20.Ae5!? ) 20...Ab7 ( 20...Ad2 21.Ag7+- ; 20...Tb8 21.Tf6 Ab7 22.Txd6 Axe4 23.Txh6+- ) 21.Dxb7 Dxd4+ 22.Rh1 Tc8 23.Dxb5 Dh4 24.Tef1© >< Kd8] 19...fxe2 20.Tfxe2 d6 [ 20...Txf7 21.Axe7+ Txe7 22.Txe7 c5 23.Txh7+/- ] 21.Txe7 dxc5 22.Ad5 [/\ Bc6] 22...c6 [ 22...Ag5 23.T7e5+/- ] 23.Axc6 Tb8 24.Txh7 Af4 25.Txa7+/= [Da Costa Junior] *
Tutorial elaborado por Sandro D. M. Carvalho
