1...Rc1+ [Thematic main line B 1...Kxa4 2.Kb8 Ra5 3.Rc8 Rxb2+ 4.Kc7 Rc2+ (4...Ra7+ 5.Kc6 Rc2+ (5...Ra6+ 6.Kc7 Ra7+ 7.Kc6 positional draw.) 6.Kb6 Rxd7 7.Rxc2= ) 5.Kd8! Rd2 6.fxe5 Rxe5 Thematic move 7.Rc2! positional draw, or stalemate, or 7...Rdd5 switchback 8.Kc8! draws; 1...Rxa4 2.Kc7! Ra7+ (2...Rc1+ 3.Kd6 exf4 4.Rb8+= ; 2...Rd1 3.Rb8+= ; 2...Rc4+ 3.Kd6 Rd4+ 4.Kxe5= ) 3.Kb6 Rba1 4.Rb8! Rxd7 5.Kc6+ Kc2 6.Kxd7= ; 1...Ra8+ 2.Kc7= ] 2.Sc3 [2.Kb8? Rxa4 and mate in 2.; 2.Sc5+? Rxc5+-+ (2...Kxb2? 3.Kb8= ) ] 2...Kxb2 3.Kb8! Ra3! 4.Kc7! [4.Rc8? Rb3+! 5.Kc7 Rcxc3+! (5...Rbxc3+? 6.Kd6 Rd1+ 7.Ke6= ) 6.Kd6 Rd3+ 7.Ke6 (7.Kxe5 Rxd7-+ ) 7...Rb6+ 8.Ke7 Rb7 ] 4...Kxc3! [4...Raxc3+ 5.Kd6 Rd1+ 6.Kxe5= ] 5.fxe5! [5.f5? e4!-+ e.g. 6.Rc8! switchback 6...Kb2+!! 7.Kd6 Rd1+ 8.Ke7 Ra7-+ ; 5.Rb8? Kd2+!-+ ] 5...Kd4+! [5...Kd3+ 6.Kd6 Ra6+ 7.Ke7= ] 6.Kd6! Ra6+ 7.Ke7 Rh1! 8.Rf8! [8.Rg8? Rh7+ 9.Ke8 Re6+! 10.Kd8 Kxe5! (10...Ree7? 11.e6? Rxe6 12.Kc7 Ree7 13.Rg4+! Kd5 14.Rg5+ Ke6 15.Rg6+ Kf5 16.Rd6= ) 11.Kc7 switchback (11.Kc8 Rc6+-+ ) 11...Ra6!-+ ] 8...Kxe5 [8...Rh7+ 9.Rf7= ] 9.d8S!! [9.d8Q? Rh7+ 10.Rf7 Re6+ 11.Kf8 Rh8+-+ ] 9...Ra7+ [9...Rh7+ 10.Rf7 (10.Ke8? Ra8 11.Rf1 Rh8+-+ ) 10...Ra7+ 11.Ke8 Rh8+ 12.Rf8 Rxf8+ 13.Kxf8 Kf6 14.Ke8 Rc7 15.Kf8 Rd7 16.Ke8 Rc7 17.Kf8 positional draw.] 10.Ke8 Re1! Thematic move [10...Kd6 11.Rf6+= ] 11.Rf1!! draws
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