mbstorrie vs ClassikBVK

How it swung

The one slip

13...hxg5 cost 3.2 pawns. ♘xe3 would have held it.

That did nothing about the knight on g4, hanging before the move and hanging after. 14.hxg4 takes it.

The point: 14.fxe3 hxg5 15.b4 cxb4

The score

1. 1. e4 c5
2. 2. c4 d6
3. 3. d3 Nc6
4. 4. Be3 g6
5. 5. a3 Bg7
6. 6. Qd2 f5
7. 7. Ra2 Nf6
8. 8. Be2 Bd7
9. 9. exf5 Bxf5
10. 10. Nf3 Qb6
11. 11. O-O Ng4
12. 12. Ng5 h6
13. 13. h3 hxg5
14. 14. hxg4 Be6
15. 15. Bxg5 Qc7
16. 16. Re1 d5