Longest mate in King and Queen versus King and Rook endgame

Mate in 35

Also available in PGN notation.

White to move
Mate in 35 with Ka1, Ka3, Kb1 and Kb3. Worse is Qc2 which throws away the win.
1. Ka1
White mates in 34 after Rh1+. Worse are Ke5 and Rf2 when White mates in 33, Rh6 when White mates in 32, Rh7 when White mates in 31, Kc5 when White mates in 17, Ke6 and Rh8 when White mates in 14, Kd6, Rd2, Re2, Rg2 and Rh3 when White mates in 11, Ra2+, Rc2, Rh4 and Rh5 when White mates in 10, and Rb2 when White mates in 9.
1... Rh1+
Mate in 34 with Kb2. Worse are Ka2 with mate in 36, and Qd1+ which throws away the win.
2. Kb2
White mates in 33 after Rh2+. Worse are Rh6 when White mates in 30, Rh7 when White mates in 28, Ke5 when White mates in 14, Kc5, Kd6 and Rg1 when White mates in 13, Rh8 when White mates in 12, Ke6, Re1, Rf1 and Rh3 when White mates in 10, and Ra1, Rb1+, Rc1, Rd1, Rh4 and Rh5 when White mates in 9.
2... Rh2+
Mate in 33 with Kc1 and Kc3. Worse are Ka1, Ka3, Kb1 and Kb3 with mate in 35, and Qc2 which throws away the win.
3. Kc3
White mates in 32 after Rh3+. Worse are Kc5 and Ke6 when White mates in 12, Ke5 and Rh6 when White mates in 11, Rh7 when White mates in 10, Kd6, Rb2, Re2, Rf2, Rg2, Rh1 and Rh8 when White mates in 9, and Ra2, Rc2+, Rd2, Rh4 and Rh5 when White mates in 8.
3... Rh3+
Mate in 32 with Kd2. Worse are Kb2 and Kc2 with mate in 34, and Kb4 which throws away the win.
4. Kd2
White mates in 31 after Rh2+. Worse are Rh7 when White mates in 26, Ke5 and Rg3 when White mates in 20, Kc5 when White mates in 17, Kd6 and Rh8 when White mates in 13, Rh6 when White mates in 11, Ke6 and Rh1 when White mates in 10, Ra3, Rf3 and Rh5 when White mates in 9, Rb3, Rc3 and Rh4 when White mates in 8, and Rd3+ and Re3 when White mates in 7.
4... Rh2+
Mate in 31 with Ke1 and Ke3. Worse are Kc1, Kc3, Kd1 and Kd3 with mate in 33.
5. Ke3
White mates in 30 after Rh3+. Worse are Kc5 when White mates in 12, Ke6 when White mates in 11, Rh6 when White mates in 10, Kd6, Ke5, Rb2, Rg2, Rh1, Rh7 and Rh8 when White mates in 9, Ra2, Rd2, Re2+, Rf2 and Rh5 when White mates in 8, and Rc2 and Rh4 when White mates in 7.
5... Rh3+
Mate in 30 with Kf2. Worse are Kd2 and Ke2 with mate in 32, and Kf4 which throws away the win.
6. Kf2
White mates in 29 after Rc3 and Rd3. Worse are Rh2+ when White mates in 26, Rh7 when White mates in 24, Kc5 and Rh6 when White mates in 18, Ke5 when White mates in 17, Rh8 when White mates in 14, Kd6 when White mates in 13, Ke6 and Rh1 when White mates in 10, Ra3, Rb3 and Rh5 when White mates in 9, Rf3+, Rg3 and Rh4 when White mates in 8, and Re3 when White mates in 7.
6... Rd3
Mate in 29 with Ke2. Worse are Qa2+, Qa6, Qa7, Qa8+, Qb4, Qb5+, Qd7+ and Qe8 with mate in 30, Ke1, Qa1, Qa5+, Qc2, Qf4, Qg4 and Qh4 with mate in 31, Kf1, Kg1 and Kg2 with mate in 32, and Qa3, Qb3+, Qc4+, Qc6+, Qd1, Qd4+ and Qe4+ which throw away the win.
7. Ke2
White mates in 28 after Rd4. Worse are Rc3 when White mates in 24, Rg3 when White mates in 15, Rh3 when White mates in 10, Ra3 and Rb3 when White mates in 9, Rd1, Rd2+ and Rf3 when White mates in 8, and Kc5, Kd6, Ke5, Ke6 and Re3+ when White mates in 7.
7... Rd4
Mate in 28 with Qa7 and Qa8+. Worse are Qa1, Qa2+, Qa5+, Qb3+, Qb5+ and Qd7+ with mate in 29, Qc2 with mate in 30, Qa3 and Qa6 with mate in 31, and Ke1, Ke3, Kf1, Kf2, Kf3, Qb4, Qc4+, Qc6+, Qd1, Qe8 and Qxd4+ which throw away the win.
8. Qa7
White mates in 27 after Kc4. Worse are Rb4, Re4+ and Rf4 when White mates in 26, Ke4, Ke5 and Rc4 when White mates in 25, Rh4 when White mates in 10, Rd1, Rd2+ and Rg4 when White mates in 9, Kd6, Ke6, Ra4 and Rd3 when White mates in 8, and Kc6 when White mates in 7.
8... Kc4
Mate in 27 with Ke3. Worse are Kf3 and Qa2+ with mate in 28, Qa3, Qa4+, Qa6+, Qa8, Qb6, Qb7, Qc7+ and Qf7+ with mate in 29, Kf2, Qa1, Qa5, Qb8, Qe7, Qg7 and Qh7 with mate in 30, Ke1 with mate in 31, Kf1 with mate in 32, and Qc5+, Qd7 and Qxd4+ which throw away the win.
9. Ke3
White mates in 26 after Rd6. Worse are Rd3+ and Rd5 when White mates in 21, Rd1, Rd2, Rg4 and Rh4 when White mates in 8, Kd5, Rd8 and Rf4 when White mates in 7, Kb5, Rd7 and Re4+ when White mates in 6, and Kb3, Kb4 and Kc3 when White mates in 5.
9... Rd6
Mate in 26 with Kf4. Worse are Ke4, Qa2+, Qa4+ and Qf7+ with mate in 27, Qa1, Qa3, Qa5, Qa8, Qb7 and Qg7 with mate in 28, Kf3, Qc7+ and Qh7 with mate in 29, Ke2, Kf2, Qb8 and Qe7 with mate in 31, and Qa6+, Qb6, Qc5+, Qd4+ and Qd7 which throw away the win.
10. Kf4
White mates in 25 after Kb5, Kd5, Rc6 and Rd4+. Worse are Rh6 when White mates in 24, Rd2 when White mates in 22, Rd3 and Rd5 when White mates in 21, Rf6+ when White mates in 15, Kb4 and Rg6 when White mates in 9, Kb3, Kc3, Kd3, Rd1, Rd8 and Re6 when White mates in 8, and Ra6, Rb6 and Rd7 when White mates in 7.
10... Kb5
Mate in 25 with Ke5. Worse are Ke4, Qb7+ and Qf7 with mate in 26, Ke3, Kf5, Qa1, Qa2, Qa3, Qa8, Qb8+, Qc7, Qe3, Qe7, Qg1, Qg7 and Qh7 with mate in 27, Kf3 and Kg5 with mate in 28, Kg3 and Kg4 with mate in 29, and Qa4+, Qa5+, Qa6+, Qb6+, Qc5+, Qd4, Qd7+ and Qf2 which throw away the win.
11. Ke5
White mates in 24 after Rd3. Worse are Rd1 and Rd2 when White mates in 23, Rc6 when White mates in 22, Rh6 when White mates in 21, Ra6 and Rg6 when White mates in 20, Rb6 when White mates in 17, Rd8 when White mates in 10, Kc6 and Rf6 when White mates in 8, Kb4, Kc4, Rd7 and Re6+ when White mates in 7, Rd4 when White mates in 6, and Rd5+ when White mates in 5.
11... Rd3
Mate in 24 with Qc7. Worse are Qb7+, Qb8+, Qf7, Qg7 and Qh7 with mate in 25, Ke4, Qa1, Qa2, Qa8, Qf2 and Qg1 with mate in 26, Ke6, Kf4 and Kf5 with mate in 27, Kf6 with mate in 28, and Qa3, Qa4+, Qa5+, Qa6+, Qb6+, Qc5+, Qd4, Qd7+, Qe3 and Qe7 which throw away the win.
12. Qc7
White mates in 23 after Kb4, Rd1 and Rd2. Worse are Rg3 when White mates in 21, Ra3 and Rb3 when White mates in 20, Re3+ when White mates in 9, Rf3 and Rh3 when White mates in 8, Ka6, Rd7 and Rd8 when White mates in 7, Ka4 and Rd6 when White mates in 6, Rc3 and Rd5+ when White mates in 5, and Rd4 when White mates in 4.
12... Rd2
Mate in 23 with Qc3. Worse are Qb7+ and Qc1 with mate in 25, Ke4, Qc8 and Qf7 with mate in 26, Ke6, Kf4, Kf5, Kf6, Qa7, Qb8+, Qg7 and Qh7 with mate in 27, and Qa5+, Qb6+, Qc2, Qc4+, Qc5+, Qc6+, Qd6, Qd7+, Qd8 and Qe7 which throw away the win.
13. Qc3
White mates in 22 after Rd7. Worse are Rh2 when White mates in 20, Rd8 when White mates in 19, Rf2 when White mates in 11, Re2+ and Rg2 when White mates in 10, Ra2, Rb2 and Rd1 when White mates in 7, Ka4, Ka6, Kb6, Rd3 and Rd4 when White mates in 6, Rc2 and Rd5+ when White mates in 5, and Rd6 when White mates in 4.
13... Rd7
Mate in 22 with Ke6, Qb3+ and Qf3. Worse are Qa3, Qg3 and Qh3 with mate in 23, Kf5, Kf6 and Qc8 with mate in 24, Ke4, Qa1, Qc1 and Qc2 with mate in 25, Kf4 and Qb2+ with mate in 26, and Qa5+, Qb4+, Qc4+, Qc5+, Qc6+, Qc7, Qd2, Qd3+, Qd4, Qe1 and Qe3 which throw away the win.
14. Qf3
White mates in 21 after Kc5. Worse are Ka5 and Rc7 when White mates in 20, Kb6 when White mates in 19, Rg7 when White mates in 18, Ra7 when White mates in 16, Re7+ when White mates in 11, Rd8 when White mates in 10, Rd2 when White mates in 9, Ka4, Ka6, Kb4, Kc4 and Rh7 when White mates in 8, Rb7 when White mates in 7, Rd1, Rd3, Rd4, Rd6 and Rf7 when White mates in 6, and Rd5+ when White mates in 5.
14... Kc5
Mate in 21 with Qa3+ and Qf8+. Worse are Qc3+ with mate in 23, Ke6 with mate in 24, Kf6 and Qa8 with mate in 25, Qb3, Qe3+, Qf2+ and Qf6 with mate in 26, Qh1 with mate in 27, Ke4 and Qg2 with mate in 28, Qf4 and Qg3 with mate in 29, Qf1 and Qh3 with mate in 31, Qg4 with mate in 33, and Kf4, Kf5, Qb7, Qc6+, Qd1, Qd3, Qd5+, Qe2, Qe4, Qf5, Qf7 and Qh5 which throw away the win.
15. Qf8+
White mates in 20 after Kc6. Worse are Kb6 when White mates in 19, Kb5 when White mates in 9, Kc4 when White mates in 8, and Rd6 and Re7+ when White mates in 7.
15... Kc6
Mate in 20 with Qc8+. Worse are Qa3 and Qa8+ with mate in 21, Qe8 and Qf3+ with mate in 22, Qb4, Qf4, Qf6+ and Qg8 with mate in 23, Qh6+ with mate in 24, Qb8 with mate in 25, Ke4 and Ke6 with mate in 26, Kf5, Qf1, Qf2 and Qh8 with mate in 27, Kf4 and Kf6 with mate in 28, and Qc5+, Qd6+, Qd8, Qe7, Qf5, Qf7 and Qg7 which throw away the win.
16. Qc8+
White mates in 19 after Rc7. Worse are Kb5 when White mates in 7, and Kb6 when White mates in 6.
16... Rc7
Mate in 19 with Qa6+. Worse are Qa8+, Qd8, Qe8+ and Qf8 with mate in 21, Qe6+ with mate in 22, Qf5 and Qg8 with mate in 23, Qh3 and Qh8 with mate in 24, Qb8 with mate in 25, Qg4 with mate in 26, and Kd4, Ke4, Ke6, Kf4, Kf5, Kf6, Qb7+, Qd7+ and Qxc7+ which throw away the win.
17. Qa6+
White mates in 18 after Kd7. Worse is Kc5 when White mates in 8.
17... Kd7
Mate in 18 with Kd5. Worse are Qe6+ with mate in 19, Qa4+, Qb5+, Qd3+ and Qd6+ with mate in 20, Qb6 with mate in 21, Kd4, Qa3 and Qa5 with mate in 23, Qf1, Qf6 and Qg6 with mate in 24, Ke4 with mate in 25, Qa2, Qe2 and Qh6 with mate in 26, Kf4, Kf5, Qa1 and Qa8 with mate in 27, and Kf6, Qa7, Qb7, Qc4, Qc6+ and Qc8+ which throw away the win.
18. Kd5
White mates in 17 after Kd8 and Ke8. Worse are Rc1 when White mates in 10, Rc2 and Rc3 when White mates in 8, Ke7 when White mates in 7, Rc5+ when White mates in 6, Rc4, Rc6 and Rc8 when White mates in 5, and Ra7 and Rb7 when White mates in 3.
18... Kd8
Mate in 17 with Qa8+. Worse are Qa3, Qa5 and Qf6+ with mate in 18, Qb6 with mate in 19, Qb5 with mate in 20, Ke5 and Qa4 with mate in 22, Kd4 and Kd6 with mate in 23, Ke4, Qa1 and Qa2 with mate in 24, Qf1, Qg6 and Qh6 with mate in 25, Qe2 with mate in 27, Qe6 with mate in 31, and Ke6, Qa7, Qb7, Qc4, Qc6, Qc8+, Qd3 and Qd6+ which throw away the win.
19. Qa8+
White mates in 16 after Ke7. Worse are Kd7 when White mates in 15, and Rc8 when White mates in 10.
19... Ke7
Mate in 16 with Qb8. Worse are Qa3+ with mate in 18, Qg8 with mate in 19, Qh8 with mate in 20, Qa4, Qa5 and Qa6 with mate in 21, Qa1 and Qa2 with mate in 22, Kd4 and Ke4 with mate in 23, Ke5 with mate in 27, and Qa7, Qb7, Qc6, Qc8, Qd8+, Qe8+ and Qf8+ which throw away the win.
20. Qb8
White mates in 15 after Kd7. Worse are Rd7+ when White mates in 14, Rc1 when White mates in 11, Rc2 when White mates in 9, Ra7, Rb7, Rc3, Rc4, Rc5+ and Rc6 when White mates in 7, and Kf6, Kf7 and Rc8 when White mates in 6.
20... Kd7
Mate in 15 with Qf8. Worse are Qa8, Qb3, Qb4, Qb5+ and Qg8 with mate in 17, Qh8 with mate in 18, Qb1, Qb2 and Qb6 with mate in 19, Kd4 with mate in 24, Ke4 and Ke5 with mate in 26, and Qa7, Qb7, Qc8+, Qd8+, Qe8+ and Qxc7+ which throw away the win.
21. Qf8
White mates in 14 after Rb7. Worse are Rc1 when White mates in 11, Rc2 when White mates in 8, Rc3 when White mates in 7, Rc4 when White mates in 5, Ra7, Rc5+ and Rc8 when White mates in 4, and Rc6 when White mates in 3.
21... Rb7
Mate in 14 with Qf7+. Worse are Kc5 and Qf5+ with mate in 16, Qc5, Qd6+ and Qg7+ with mate in 17, Qf1 with mate in 20, Kc4 and Qf6 with mate in 21, Kd4 and Qf4 with mate in 22, Qf3 with mate in 23, Ke4, Ke5 and Qf2 with mate in 24, Qa3, Qh6 and Qh8 with mate in 26, Qa8 and Qg8 with mate in 27, and Qb4, Qb8, Qc8+, Qd8+, Qe7+ and Qe8+ which throw away the win.
22. Qf7+
White mates in 13 after Kc8. Worse is Kd8 when White mates in 3.
22... Kc8
Mate in 13 with Qe8+. Worse are Qf5+ and Qf8+ with mate in 16, Qf3, Qf4 and Qg8+ with mate in 17, Qe6+ with mate in 18, Qf1 and Qg6 with mate in 20, Qf2 and Qf6 with mate in 21, and Kc4, Kc5, Kc6, Kd4, Kd6, Ke4, Ke5, Ke6, Qc7+, Qd7+, Qe7, Qg7, Qh5, Qh7 and Qxb7+ which throw away the win.
23. Qe8+
White mates in 12 after Kc7.
23... Kc7
Mate in 12 with Kc5. Worse are Qc6+ with mate in 16, Qe7+ with mate in 17, Qa4 and Qe5+ with mate in 18, Kc4 and Qf7+ with mate in 19, Kd4, Qe1, Qe3, Qe4, Qe6 and Qf8 with mate in 20, Ke6, Qe2, Qg6, Qg8 and Qh8 with mate in 21, Ke5 and Qa8 with mate in 22, Ke4 with mate in 24, and Qb5, Qb8+, Qc8+, Qd7+, Qd8+ and Qh5 which throw away the win.
24. Kc5
White mates in 11 after Ra7 and Rb1. Worse are Rb2 when White mates in 9, Rb3 when White mates in 8, Rb4 when White mates in 5, Rb5+ and Rb8 when White mates in 4, and Rb6 when White mates in 3.
24... Ra7
Mate in 11 with Qe5+. Worse are Qe7+ with mate in 12, Kb5 and Qc6+ with mate in 13, Qf7+ with mate in 14, Qb5 with mate in 15, Qe1 with mate in 16, Qe6 with mate in 17, Kc4 with mate in 18, Kb4, Kd5, Qe3 and Qe4 with mate in 19, Qf8, Qg6 and Qh8 with mate in 21, Qe2 with mate in 22, Kd4 and Qg8 with mate in 23, and Qa4, Qa8, Qb8+, Qc8+, Qd7+, Qd8+ and Qh5 which throw away the win.
25. Qe5+
White mates in 10 after Kb7. Worse are Kd7 and Kd8 when White mates in 9, and Kc8 when White mates in 6.
25... Kb7
Mate in 10 with Kb5. Worse are Qe4+ with mate in 12, Qd5+, Qe7+ and Qg7+ with mate in 14, Qd4 with mate in 15, Kc4, Qb2+, Qc3, Qe1 and Qe3 with mate in 16, Kd6, Qd6, Qe6 and Qe8 with mate in 17, Kb4 and Qf4 with mate in 18, Qe2, Qf6 and Qh8 with mate in 19, Qg3 and Qh2 with mate in 20, Kd4 with mate in 21, and Kd5, Qa1, Qb8+, Qc7+, Qf5, Qg5 and Qh5 which throw away the win.
26. Kb5
White mates in 9 after Ra2. Worse are Ra3 when White mates in 8, Ka8 and Kc8 when White mates in 6, Ra1, Ra4, Ra5+ and Ra8 when White mates in 5, and Ra6 when White mates in 4.
26... Ra2
Mate in 9 with Qd5+. Worse are Qg7+ with mate in 10, Qc3, Qd4, Qe4+ and Qe7+ with mate in 11, Qf6 with mate in 13, Qf5 with mate in 14, Qe6 and Qh8 with mate in 15, Kc4 and Qf4 with mate in 17, Kb4 with mate in 18, Qe1 with mate in 20, Qd6, Qe3, Qe8, Qg3 and Qg5 with mate in 21, Qh5 with mate in 22, Qc5 with mate in 23, and Kc5, Qa1, Qb2, Qb8+, Qc7+, Qe2 and Qh2 which throw away the win.
27. Qd5+
White mates in 8 after Kc7. Worse are Kc8 when White mates in 7, Kb8 when White mates in 5, and Ka7 when White mates in 4.
27... Kc7
Mate in 8 with Qxa2. Worse are Qc4+, Qe5+ and Qf7+ with mate in 10, Qc5+ and Qc6+ with mate in 11, Qd4 with mate in 12, Qe4 with mate in 14, Qb3 with mate in 15, Qd3 and Qf5 with mate in 16, Qd1 with mate in 19, Kb4 and Qg5 with mate in 21, Kc4 with mate in 22, Qe6 with mate in 24, Qf3 and Qh5 with mate in 25, Qg8 and Qh1 with mate in 27, and Kc5, Qa8, Qb7+, Qd2, Qd6+, Qd7+, Qd8+ and Qg2 which throw away the win.
28. Qxa2
White mates in 7 after Kd6. Worse are Kd7 when White mates in 6, Kb7, Kc8 and Kd8 when White mates in 3, and Kb8 when White mates in 2.
28... Kd6
Mate in 7 with Qe2 and Qh2+. Worse are Kc4, Qa3+, Qa4, Qa5, Qa6+, Qa8, Qb3, Qc2, Qc4, Qd2+, Qf2, Qf7, Qg2 and Qg8 with mate in 8, Ka4, Kb4, Kb6, Qa1, Qa7, Qb1 and Qb2 with mate in 9, Ka5 and Ka6 with mate in 10, and Qd5+ and Qe6+ which throw away the win.
29. Qh2+
White mates in 6 after Ke6. Worse are Kd5 and Ke7 when White mates in 5, and Kd7 when White mates in 4.
29... Ke6
Mate in 6 with Qf4. Worse are Kc4, Kc5, Kc6 and Qh5 with mate in 7, Kb4, Kb6, Qb8, Qc2, Qc7, Qd2, Qe2+, Qf2, Qg1, Qg2, Qg3, Qh1, Qh3+, Qh4, Qh6+, Qh7 and Qh8 with mate in 8, Ka4, Ka5, Ka6, Qa2+ and Qb2 with mate in 9, and Qd6+ and Qe5+ which throw away the win.
30. Qf4
White mates in 5 after Kd5 and Ke7. Worse is Kd7 when White mates in 4.
30... Kd5
Mate in 5 with Kb6. Worse are Kb4, Qe3, Qf5+ and Qg4 with mate in 6, Ka4, Ka5, Ka6, Qf3+, Qf6, Qg3, Qg5+ and Qh4 with mate in 7, Qa4, Qb4, Qb8, Qc1, Qc4+, Qc7, Qd2+, Qf1, Qf2, Qf7+, Qf8, Qh2 and Qh6 with mate in 8, and Qd4+, Qd6+, Qe4+ and Qe5+ which throw away the win.
31. Kb6
White mates in 4 after Ke6.
31... Ke6
Mate in 4 with Kc6. Worse are Kc5 with mate in 5, Ka5, Ka6, Ka7, Kb5, Kb7, Kc7 and Qg5 with mate in 6, Qf3 and Qg4+ with mate in 7, Qa4, Qb4, Qc4+, Qd4, Qe3+, Qe4+, Qf1, Qf2, Qf8, Qg3, Qh2, Qh4 and Qh6+ with mate in 8, Qb8, Qc1, Qc7 and Qd2 with mate in 9, and Qd6+, Qe5+, Qf5+, Qf6+ and Qf7+ which throw away the win.
32. Kc6
White mates in 3 after Ke7.
32... Ke7
Mate in 3 with Qf5. Worse are Kd5 with mate in 4, Kb5, Kb6, Kb7, Kc5, Kc7, Qf1, Qf2, Qf3 and Qg5+ with mate in 5, Qd4, Qd6+, Qe5+, Qg4, Qh4+ and Qh6 with mate in 6, Qa4, Qb4+, Qb8, Qc1, Qc4, Qc7+, Qd2, Qe3+, Qe4+, Qg3 and Qh2 with mate in 7, and Qf6+, Qf7+ and Qf8+ which throw away the win.
33. Qf5
White mates in 2 after Ke8. Worse is Kd8 when White mates in 1.
33... Ke8
Mate in 2 with Kd6. Worse are Qh7 with mate in 3, Kb5, Kb6, Kc5, Kc7, Kd5, Qd7+, Qf1, Qf2, Qf3, Qf4, Qg6+ and Qh5+ with mate in 4, Kb7, Qd5, Qe6+ and Qg5 with mate in 5, Qa5, Qb5, Qc5, Qc8+, Qe4+, Qe5+, Qg4 and Qh3 with mate in 6, Qb1, Qc2 and Qd3 with mate in 7, and Qf6, Qf7+ and Qf8+ which throw away the win.
34. Kd6
White mates in 1 after Kd8.
34... Kd8
Mate in 1 with Qd7# and Qf8#. Worse are Qd5, Qe4, Qf7, Qg4 and Qh7 with mate in 2, Qa5+, Qb1, Qb5, Qc2, Qc5, Qd3, Qe5, Qf1, Qf2, Qf3, Qf4, Qf6+, Qg5+, Qg6, Qh3 and Qh5 with mate in 3, Kc5 and Kc6 with mate in 4, Kd5 and Ke6 with mate in 5, Ke5 with mate in 6, and Qc8+ and Qe6 which throw away the win.
35. Qd7#
Checkmate.
1-0


An endgame analysis by Joe Leslie-Hurd on 16 February 2005.