1.Qa3+! [1.Qxe4? Rh5+ 2.Kg2 Rxg6+ 3.Kf3 Rh3+ 4.Ke2 Rh2+ 5.Kf1 Bc3 6.Qa4+ Kb2 7.Qb5+ Kc1-+ ] 1...Kb1 2.Qb3+ Kc1 3.Qa3+! [3.g7? Rd3+-+ ] 3...Kd1! [3...Kc2 4.Qa2+ Kc3 (4...Kd1 5.Qb1+ Kd2 6.Qb4+ main) 5.Sf7 Rd3+ 6.Kg4 Rxg6+ 7.Kf5= ] 4.Qa4+! [4.Qb3+? Ke2 5.Qc4+ Rd3+-+ ; 4.Qa1+? Ke2 5.Sf7 Rxg6-+ ] 4...Kd2 [4...Ke2 5.Qxe4+ Kd2 6.Qxd5+ Rxd5 7.g7= ] 5.Qb4+! [5.Sf7? Rd3+ 6.Kh2 Rxg6 7.Qxe4 Bg3+ 8.Kh1 Bf2 9.Qb4+ Ke2 10.Qc4 (10.Qb2+ Kf3 11.Qb7+ Ke3 12.Qa7+ Ke2-+ ) 10...Bd4 11.Qc2+ Rd2 12.Qe4+ Be3-+ ] 5...Kc2! [5...Kd3 6.Qxe1 Rxd8 7.Qf1+ Kc3 8.Qf6+= ] 6.Qxe1 Rd3+ 7.Kh2! [7.Kh4? Sxg6+ 8.Kg5 R3d5+ 9.Kh6 Sf4+-+ ] 7...Rd2+ 8.Kh3! [8.Kg3? Rxg6+ 9.Kf4 (Kh3) 9...Rxd8-+ ] 8...Rxd8 9.g7 Se6! [9...R8d3+ 10.Qg3= ] 10.Qxe4+ R8d3+ 11.Kg4! [Thematic try 11.Kh4!? Sxg7 zz 12.Qc6+ (12.Qc4+ Kd1 13.Qg4+ Re2 14.Qa4+ Ke1 15.Qa5+ Kf1 /Kf2-+) 12...Rc3!-+ (not 12...Kd1? 13.Qh1+ Kc2 14.Qe4! zz and main thematic variant after 12.Kh4!!) ] 11...Sxg7 12.Kh4!! zz 12...Rh2+ 13.Kg4! [Thematic try 13.Kg5!? Rf2! (not 13...Rhd2? 14.Kh4! zz main line) 14.Qc4+ (14.Qa4+ Kd2 15.Qb4+ Kd1-+ ) 14...Kd2! 15.Qa2+ Ke3-+ ] 13...Rhd2 14.Kh4 Kc1 (Kd1) 15.Qh1+ Kc2 16.Qe4 Kb2 17.Qb7+ Kc2 18.Qe4 positional draw, or 18...Kc3 19.Qc6+ Kb2 20.Qb7+ Kc1 21.Qh1+ Rd1 22.Qc6+ Kd2 23.Qg2+ Kc1 24.Qc6+ positional draw.
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