Estudio de Oleg Pervakov (1990)

Blancas juegan y ganan

- 1er premio -

1.Da4+!! [ ‹1.Td3+ Dxd3 2.Dg2 ( =2.Da4+ Rxa4 3.Cc5+ Rb5 4.Cxd3 Cxe7=; =2.Cd5 Dd2 3.Db4+ Dxb4 4.Cxb4 Rxb4=) 2...Dc3+ 3.Rb1 Db3+ 4.Rc1 Cxe7=] 1...Dxa4 [ =1...Rxa4 2.Ad1+-] 2.Td3+ Rb4+ 3.Rb2 Ce5! [ =3...Cxe7 4.Td4+ Rb5 5.Ae2++-; =3...Da6 4.Td4+ Rb5 5.Ae2+–+; =3...De8 4.Tb3+ Rc4 5.Cd6+–+] 4.Cc6+! [ ‹4.Cd5+ Rc4 5.Tc3+ Rd4=] 4...Cxc6 [ =4...Rb5 5.Cxe5 Rb6 6.Cd7+ Rc7 7.Tc3+ Rxd7 8.Cc5++-] 5.Ae2!! a6 [ =5...Rb5 6.Td4++-; =5...Db5 6.Tb3++-] 6.Af1! Rc4! [ =6...a5 7.Ae2 Rc4 8.Th3+ Rd5 9.Th5+ Ce5 10.Af3++-] 7.Th3+! Rd5 8.Th5+ Ce5 9.Ag2+ Rc4 10.Th4+ Rb5 11.Af1+ Cc4+ 12.Txc4! Dxc4 [ =12...Dd1 13.Tc1++-] 13.Cd6++- 1–0