Annotated Chess Game 11670261

1. d4 d5 2. Ng1f3 Ng8f6 3. e3 e6 4. c4 Bf8b4 5. Bc1d2 Qd8e7 6. cxd5 exd5 7. Qd1a4 Bc8d7 8. Qa4b3

? Qxb4 wins the Bishop.

8... Bb4xd2

? Exchange lose a tempo.

9. Nb1xd2 O-O 10. Qb3xb7 Bd7c6 11. Qb7b3 Nb8d7 12. Qb3d3 Nf6e4 13. Ra1c1 Qe7d6 14. g3 Ra8b8 15. b3 f5 16. Qd3a6 Rb8b6 17. Qa6d3 Nd7f6 18. Bf1h3 Nf6g4 19. O-O

Down a pawn, so Nxf2 NN for RP exchange is bad...

19... Bc6b5 20. Nd2c4 dxc4 21. bxc4 Bb5a6 22. Bh3xg4 fxg4 23. Qd3xe4 gxf3 24. Rf1d1

Up a piece on that exchange.