1.Sf3 [1.g6? e4 Rg5)-+] 1...Sf2! [1...Sb2 2.Kb5 Sd3 3.Kc6 Rh8 4.g6= ] 2.Sg3 [2.Se3? e4 3.Sd5+ Kc4-+ ] 2...Rh3 3.Se2+ Kd3 4.Seg1! [4.g6? Sg4 5.g7 Sf6 6.Sg5 Rh5-+ ] 4...Rg3 5.Sxe5+ Ke4 6.Sgf3 Sh3 7.Kb6!! [Thematic try 7.Kb5!? Sxg5 8.Sxg5+ Rxg5! wins owning to the pin of wN. (8...Kxe5? will be the main line 9.Sf7+ Kd5 10.Sd8 Rb3+ 11.Ka6= ) ; Thematic try 7.Ka6!? Sg1! 8.Sxg1 Kxe5 9.Se2 Re3 10.Sc1 Rc3 11.Sa2 (compare with main line - 7...Ng1) 11...Ra3+-+ ; Thematic try 7.Ka4 (Kb4)!? 7...Sxg5 8.Sxg5+ Kxe5! (8...Rxg5? 9.Sc6= ) 9.Sf7+ Kd5 10.Sd8 Rg7 and white loss N, because wK can't protect it as in the main line B] 7...Sg1 main C [main A 7...Kf4 8.g6 Sg5 9.Sxg5 Kxe5 10.Sf7+= ; main B 7...Sxg5 8.Sxg5+ Kxe5 9.Sf7+ Kd5 10.Sd8= ] 8.Sxg1 Kxe5 9.Se2 Re3 10.Sc1 Rc3 11.Sa2 (compare with thematic try - 7.Ka6!?) 11...Rb3+ 12.Kc5! Ra3 13.Sb4 draws.

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