Estudio de Oleg Pervakov (1993)

Blancas juegan y hacen tablas

- 1er premio Ceskolovensky Sach-

1.Cb6+! T7xb6! [ =1...T2xb6 2.Dxf5 Ta6+ 3.Aa5=] 2.Df3+ [ ‹2.Dg2+ Ra7–+] 2...Rb8! [ =2...Ra7 3.Da3+ Ta6 4.Dxa6+ Rxa6 5.Rxb2=; =2...Tb7 3.Da3+ Ta7 4.Dxa7+ Rxa7 5.Rxb2=] 3.Cd5 Tb1+ 4.Ra2 T1b5! 5.Dg3+ [ ‹5.Df4+ Ra8 6.Da4+ Rb7–+; ‹5.Af4+ Rb7–+] 5...f4! [ ‹5...Ra8 6.Da3+ Rb7 7.De7+ Rc6±; =5...Rb7 6.Dc7+ Ra8 7.Dc8+=] 6.Dxf4+ [ ‹6.Axf4+ Rb7–+] 6...Ra8! 7.Ab4! [ ‹7.Da4+ Rb7–+] 7...Txb4 [ =7...Axd5+ 8.Ra3 Ta6+ 9.Rb2 Ta4 10.Rc3=] 8.Dc4! Tb7! [ =8...Txc4 9.Cxb6+=; =8...Ra7 9.Dc7+ Ra6 10.Dc8+ Ra5 11.Dc3 Axd5+ 12.Ra3=] 9.Dc8+ Ra7 10.Dc5+ [ ‹10.Ra3 T4b5! ( ‹10...Axd5 11.Da8+ Rxa8=) 11.Cb4 Ta5+ 12.Rb2 Txb4+ 13.Rc3 Tc4+–+] 10...T4b6 [ =10...T7b6 11.Dc7+ Ra6 12.Dc8+ Ra5 13.Dc3 Axd5+ 14.Ra3=; =10...Rb8 11.Df8+ Ra7 12.Dc5+=; =10...Ra6 11.Dc6+ Ra7 12.Dc5+=] 11.Ra1! Axd5 12.Da5+ Ta6 13.Dxa6+ Rxa6= ½–½