1.Sd5! [1.Rb7? Bb4+! 2.Kb2 Sd3+-+ ; 1.Sc4? Bxc4 2.Rxc4 b2-+ ; 1.Sa4? Kg7! 2.Ra7 Sxg2 3.Ra5 Be7 4.Sc5 Bxc5 5.Rxc5 Kf6-+ ] 1...b2 2.Rb7 Bxd5 [2...Bg6 3.Sf6 Sxg2 4.Sg4 Bxe4 5.Rxb2= ] 3.exd5 e4 4.d6! [4.Kd2? Sd3-+ ] 4...Bxd6 5.Kxb2 e3 6.Kc1 Sxg2 7.Kd1 Sf4 8.Ke1 zz 8...Kg8 9.Rb3 Bc5 10.Rb7 Kh8 11.Kf1 zz [11.Kd1? Bf8! 12.Ke1 (12.Rb8 e2+ 13.Ke1 Kg7 14.Rb2 Sd3+ ) 12...Bd6! 13.Rb3 (13.Kd1 Kg8!-+ ) 13...Bc5 14.Rb5 Be7! 15.Re5 Sd3+-+ ] 11...Kg8 12.Ke1 zz 12...Bd6 13.Rb3 Bc5 14.Rb7 Kf8 15.Rb5 Bd6 16.Rb3=