1.d7 [Thematic try 1.h8Q+!? Kxh8 2.d7 Rxd4 3.Rf8+ Kg7! (3...Kh7!? 4.d8Q and as in main line) 4.d8Q Rxd8+ 5.Rxd8 Kf6! (5...Kg6!? 6.Rxd2 main line) 6.Rxd2 Ke5!= ; 1.Rf8!? Kxh7 2.d7 d1Q 3.d8Q Qb3+= ] 1...Rxd4 2.Rf8! Kxh7 3.d8Q Rxd8+ 4.Rxd8 Kg6 5.Rxd2 Kg5! 6.Rd4!! [6.Rd6!? Kf4 7.Re6 Kg3= ] 6...f4 7.Rd5+ Kh4 8.Rf5 Kg3 9.Ka8!! [Thematic try 9.Rf6!? f3 10.e4 Kf2 11.e5 g3 12.e6 g2 13.e7 g1Q 14.e8Q Qb1+ 15.Kc8 Qc2+ 16.Rc6 Qf5+= ; Thematic try 9.Rf7!? f3 10.e4 Kf2 11.e5 g3 12.e6 g2 13.e7 g1Q 14.e8Q Qg4!!= (14...Qg5!? 15.Qh8! Qb5+ 16.Rb7+- ) ; Thematic try 9.Kb7!? f3 10.e4 Kf2 11.e5 g3 12.e6 g2 13.e7 g1Q 14.e8Q Qg7+ 15.Rf7 Qb2+= ; Thematic try 9.Kc8!? f3 10.e4 Kf2 11.e5 g3 12.e6 g2 13.e7 g1Q 14.e8Q Qg4= ; 9.Kc7!? f3 10.e4 Kf2 11.e5 g3 12.e6 g2 13.e7 g1Q 14.e8Q Qg7+= ; 9.Rf8!? f3 10.e4 Kf2 11.e5 g3 12.e6 g2 13.e7 g1Q 14.e8Q Qg7= ] 9...f3 10.e4 Kf2 11.e5 g3 12.e6 g2 13.e7 g1Q 14.e8Q Qa1+ 15.Kb8! [Thematic try 15.Kb7!? Qg7+ (15...Qb1+!? and as in main line 16.Rb5!+- ) 16.Ka8 Kg2!= ] 15...Qb1+ 16.Rb5+-.

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