Annotated Chess Game 11671189

1. d4 d5 2. Ng1f3 Ng8f6 3. e3 e6 4. Bf1d3 c5 5. b3

Colle opening

5... Nb8c6 6. a3 cxd4 7. exd4 Bf8d6 8. Bc1b2 O-O 9. O-O Qd8c7 10. Nf3e5

Blocking the Bxh2+ attack.

10... Nc6xd4 11. Bb2xd4 Bd6xe5 12. Bd4xe5 Qc7xe5 13. Nb1d2 Qe5c3 14. Nd2f3 e5

Threatening e4 forking the B & N.

15. Nf3d2 e4 16. Bd3e2 Bc8e6 17. Ra1c1 d4 18. Nd2b1

Driving off the Q - it's tight for White!.

18... Qc3c5 19. c4 d3

The B is trapped.

20. Be2h5

? Bxh3 Better to get two pawns and some room than nothing!

20... Nf6xh5 21. b4

Driving off the Q.

21... Qc5g5

Concentrating forces. Q, B, and N are are bearing down on the K fortress.

22. Rf1e1

Otherwise, B-h3 - threatening Qxg2#. Only prevention is g3, forfeiting R on f1.

22... Nh5f4 23. g3

Opening the white diagonals for Q and B.

23... Nf4h3

Forcing the K onto the diagonals.

24. Kg1f1 Qg5f6 25. Qd1d2

I think f4 was better. If exf, then the file is blocked.

25... Qf6f3

! Cooked! Q-h1#