finale477 vs nissepasse007

How it swung

The one slip

27...♖bb2 cost 7.7 pawns. c5 would have held it.

That did nothing about the knight on d4, hanging before the move and hanging after. 28.♖xd4 takes it.

The point: 28.♗f1 ♖e4 29.♘d2 ♖xg4+

The score

1. 1. g3 e6
2. 2. Bg2 d5
3. 3. Nf3 c5
4. 4. d4 a6
5. 5. dxc5 Bxc5
6. 6. Be3 Bxe3
7. 7. fxe3 Qb6
8. 8. Nd4 Qxb2
9. 9. Nd2 Nc6
10. 10. Nxc6 bxc6
11. 11. O-O Nf6
12. 12. Nb3 Qc3
13. 13. Qd2 Qxd2
14. 14. Nxd2 Bd7
15. 15. e4 d4
16. 16. e5 Ng4
17. 17. Nc4 Rb8
18. 18. Nd6+ Ke7
19. 19. Nc4 Rb4
20. 20. Rf4 Nh6
21. 21. Nd2 g5
22. 22. Rf3 Rhb8
23. 23. c3 Rb2
24. 24. Nc4 Rxe2
25. 25. cxd4 Nf5
26. 26. g4 Nxd4
27. 27. Rd3 Rbb2
28. 28. Ne3 Rxe3
29. 29. Rxd4 Ree2
30. 30. Ra4 Rxg2+
31. 31. Kf1 c5
32. 32. Rxa6 Bb5+
33. 33. Ke1 Bxa6
34. 34. a4 Rge2+
35. 35. Kd1 Rbd2+
36. 36. Kc1 c4
37. 37. Ra3 f5
38. 38. exf6+ Kxf6
39. 39. a5 Ke5
40. 40. Rg3 Rc2+
41. 41. Kb1 Rcd2
42. 42. h4 Re1#