Some key points from analysis:
- White's attempt to get Black out of book on move 3 was ill-advised; an inferior move like that offers no practical benefit in exchange for its weaknesses.
- Black could have played the more challenging 6...Bg4 (and I probably will the next time I'm in a similar position).
- Houdini validates the active 12...e5 for Black, striking in the center with White's king still there.
- Unfortunately the bishop retreat soon after on move 15 invalidates this strategy and puts Black in a hole for the rest of the game.
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Class B"]
[Black "ChessAdmin"]
[Result "1/2-1/2"]
[ECO "D04"]
[Annotator "ChessAdmin/Fritz/Houdini"]
[PlyCount "63"]
[EventDate "2006.??.??"]
{D02:1 d4 d5 2 Nf sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 1. d4 d5
2. Nf3 Nf6 3. Nbd2 $6 {apparently done to avoid any book knowledge by Black,
more than anything. It blocks in the Bc1 and contributes little in
compensation to White's development.} Bf5 {Black scores over 60 percent with
this move.} 4. e3 e6 5. a3 Bd6 6. Nh4 {now out of the database, although it's
a logical enough move, seeking to exchange the Bf5 and develop the other
knight more usefully.} Be4 (6... Bg4 {is a little more challenging.}) 7. Nxe4
Nxe4 {the idea behind the previous move, to establish a strong central knight
or force White to make concessions in his own position to remove it.} 8. Nf3 (
8. Qg4 {would be an aggressive way to protect the knight, but White doesn't
have enough going on the kingside to make it a real threat.} Qf6 {would be a
simple way to defuse the situation.} (8... g5 {would also work tactically:} 9.
Nf3 $2 h5 {and the queen is trapped.})) 8... Nd7 9. Nd2 Ndf6 10. Bd3 O-O 11.
Qf3 Nxd2 12. Bxd2 e5 {the correct decision, according to Houdini. Black
strikes in the center while White still needs to take time to castle.} 13. dxe5
Bxe5 14. O-O-O c6 {deciding to stay solid in the center, supporting d5.} 15.
Qf5 (15. Kb1 {would be more prudent, vacating the square and allowing the
defensive move Bc1.}) 15... Bd6 $6 {this one move hands White the initiative
and puts Black in a positional hole, by abandoning the a1-h8 diagonal.} (15...
Re8 {would develop the rook and maintain the bishop on the diagonal.}) 16. Bc3
$14 Qd7 $6 (16... Re8 $5 17. Bxf6 Qxf6 18. Qxh7+ Kf8 $14 {would leave Black
with at least some counterchances for the pawn.}) 17. Bxf6 $16 Qxf5 18. Bxf5
gxf6 {Black has material equality, but the shattered king position affords
White long-term benefits and the initiative. Houdini assesses the position as
the equivalent of Black being a pawn down.} 19. Rd4 (19. c4 $5) 19... h6 20.
Kb1 (20. c4 Be5 21. Rg4+ Kh8 22. cxd5 cxd5 $16) 20... Be5 (20... Rfe8 {would
at least get the rook into play, instead of leaving it dead on f8.}) 21. Rh4
Kg7 22. Rg4+ Kh8 23. f4 $6 {this cuts the Rg4 off from the queenside, limiting
its usefulness and helping reduce the threats to Black.} Bd6 24. Rd1 Bc5 {
pointing out the other weakness of f4, leaving behind a weak e-pawn.} 25. Rd3
Rg8 26. Rh4 Bf8 $6 {a poor decision, limiting Black's piece activity. In a
rook ending, activity is key.} (26... Kg7 {would be a better defensive move.})
(26... Rxg2 {is the most active alternative.} 27. Rxh6+ Kg7 28. Rh7+ Kf8) 27.
g4 (27. e4 dxe4 28. Bxe4 Re8 29. Bf3 Re7 {would leave Black in a more
difficult position.}) 27... Re8 {preventing further thoughts of e4.} 28. Rb3
Kg7 $2 (28... Re7 29. Bc8 b6 30. Bf5 $14) 29. Rh3 $6 (29. Bd7 $1 {and a
combination of interference and pinning themes would allow White to win a pawn.
} Re7 (29... Rb8 30. Bxc6) (29... Re4 30. Rxb7 Rxe3 31. Rxa7) 30. Rxb7) 29...
Bc5 $6 30. Kc1 {missing the tactical continuation.} (30. Rxb7 Bxe3 31. Bd7 Re7
32. Bxc6 $14) 30... Re7 $11 {now Black protects against all of White's threats.
} 31. Kd2 Rge8 {The pressure on the backward pawn e3 grows, notes Fritz.} 32.
g5 $4 {among the various equal moves available, White picks a poor one and
then offers a draw, which I unfortunately accepted. Capturing with the f-pawn
would simply leave Black a pawn up after the exchange, with no real threats
from White, which however I didn't see at the time.} 1/2-1/2
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