1.c7!

[1.Rf7? Qg2–+;

1.Rcb8? Qd6 2.c7 Qe6+ 3.Kg7 Bf6+ 4.Kxh6 Bd8+ 5.Kh7 Qf7+ 6.Kh6 Bxc7–+]

1...Qh5!

[1...Qa2+ 2.Kf8 Qa3+ 3.Kg8 Bf4 4.Rcb8 Qa2+ 5.Kf8 Bd6+ 6.Kg7 Be5+ 7.Kf8=;

1...Qd6 2.Re8! Qd5+ 3.Kf8=;

1...Qe5 2.Rb1+! Kc2 3.Rb2+! Kc3 (3...Qxb2 4.Rb8 Qa2+ 5.Kf8 Qa3+ 6.Kg8 Qa2+ 7.Kf8=) 4.Rb3+ Kc4 5.Rb4+ Kc5 6.Rb5+ Kxb5 7.Rb8+=;

1...Qc2 2.Re8!=;

1...Lf4 2.Rb1+! Kc2 3.Rb2+ Kxb2 4.Rb8+ Ka3 5.Ra8+!=;

1...Qg3 2.Rcb8 (or 2.Ra8= ) Bh4+ 3.Kh7 Qd3+ 4.Kxh6=]

2.Rb1+!

[thematic try: 2.Rb6? Qg4!–+;

2.Rcb8? Qg6+ 3.Kf8 Qf6+ 4.Kg8 Qe6+ 5.Kg7 Bf6+ 6.Kxh6 Bd8+ 7.Kg7 Qf6+ 8.Kh7 Qf7+ 9.Kh6 Bxc7–+]

2...Kc2

[2...Kxb1 3.Rb8+=]

3.Rb2+ Kc3

4.Rb3+ Kc4

5.Rb6!

[5.Rb4+? Kc5! 6.Kg7 Qh2!–+]

5...Qg4

[5...Bf6 6.Rc6+! (6.Rxf6? Qg4+–+) Kd5 7.Rd8+=]

6.Rb4+! Kxb4

7.Rb8+ Kc3

8.c8Q+=