spraks vs Minotaur19841

How it swung

The one slip

21.♗c7 cost 6.7 pawns. ♗c4 would have held it.

That did nothing about the bishop on d5, hanging before the move and hanging after. 21...♖xd5 takes it.

The point: 21...♘c6 22.♗f1 ♘d4 23.♔h1

The score

1. 1. d4 d5
2. 2. Nc3 Nf6
3. 3. Nf3 Bg4
4. 4. g3 e6
5. 5. Bg2 Bb4
6. 6. Ne5 O-O
7. 7. O-O Qd6
8. 8. Nb5 Qb6
9. 9. Nxg4 Nxg4
10. 10. Nc3 Nc6
11. 11. e4 Nf6
12. 12. exd5 exd5
13. 13. Nxd5 Qxd4
14. 14. Qxd4 Nxd4
15. 15. Nxb4 c5
16. 16. Nd5 Nxd5
17. 17. Bxd5 Nxc2
18. 18. Rb1 Rad8
19. 19. Rd1 b6
20. 20. Bf4 Nb4
21. 21. Bc7 Rd7
22. 22. Bxf7+ Rfxf7
23. 23. Rxd7 Rxd7
24. 24. Be5 Nd3
25. 25. Rd1 Re7
26. 26. Bd6 Re6
27. 27. Rxd3 Re1+
28. 28. Kg2 Rb1
29. 29. b3 Rb2
30. 30. Rf3 Rxa2
31. 31. Rf8#