Tuesday, October 09, 2007

Pearson-David Parreira 10.04.07 Game Score

(Previous report on this game here)

White: Robert Pearson (1607)
Black: David Parreira (1370)
Reno CC Swiss 10.04.07
30/90, G/60
Symmetrical QGD

1. d4 d5 2. c4 c5 3. cxd5 Qxd5 4. e3 cxd4 5. Nc3 Qd8 6. exd4 Nf6 7. Nf3 g6 8. Bc4 Bg7 9. 0-0 0-0 10. Bg5 Nbd7 11. Re1 Nb6 12. Bb3 Qc7 13. Rc1 Qd8 14. Qd2 a6 15. Na4 Nxa4 16. Bxa4 b5 17. Bb3 Bb7 18. Rc3 Qd6 19. Bf4 Qd8 20. Rc7 Bxf3 21. gxf3 Nd5 22. Bxd5 Qxd5 23. R1xe7 Qxa2 24. Be5 Qd5 25. Bxg7 Kxg7 26. Qf4 a5 27. Rcd7 Qb3 28. d5 Kh8 29. Qf6+ Kg8 30. Rxf7 Qd1+ 31. Kg2 Qxf3+ 32. Kxf3 Rxf7 33. Qxf7+ Kh8 34. Qg7 1-0

Just paste in the pgn viewer to enjoy--for whatever reason I once again can't get it to work in the Chess Publisher; I've really got to look into some improved viewer I can embed in the post for ease of use...

Brief impressions: Chesslab has exactly two games with the position after White's fifth move--one from 1851. In both cases Black didn't retreat all the way back; in fact this is the first game I can remember, ever, where the opponent went back Qd8 three times.

15. Na4? is the only move I consider to be really weak on my part, and after an 11-minute think, too. 15. h3 waiting, ought to be better. My move just develops his game.

I was fortunate that he played 27. ... Qb3? instead of Qc4. During the game I thought it would take a long time to tack around and try to break up his kingside, but once the queen was cut off it was all over.

Now as soon as I can I'll have a real look at the game and find more of my mistakes...

Anyway, rating advanced four big points as a result of this tournament(!) to 1611. At least it was in the right direction. Now, the Western States Open this weekend and 5 games against B-players to test my progress!


Douglas L Stewart said...

It looks like 18 .. Ne4 (which looks pretty obvious to me, at a glance possibly winning the exchange) would have made things complicated, i.e. 18 .. Ne4 19 Qc1 Nxc3 20 Bxe7 Qc7 21 Qxc3 Qxc3 22 bxc3 Rfc8 23 Ng5 Rxc3 24 Bxf7+ Kh8 where things are pretty unclear. Maybe Black has a theoretical slight edge, but White maybe has better practical chances.

Rather than 20 Rc7, I would prefer 20 Bc7, since Black's queen has trouble finding a square. 20 .. Qd7 allows 21 Ne5, and 20 .. Qe8 just looks terrible. Remember, one of the reasons you put your rook on c3 was to guard against doubled pawns on f3. Why abandon it after one move? Note that 20 Bc7 Ne4 is immediately punished by 21 Rxe4! here.

I'm not a big fan of 25 Bxg7. I would rather leave the tension in the position. Your dream is later for him to take on e5 so you can recapture with a pawn and thus rid yourself of your isolated pawn. Instead maybe play 25 Qf4.

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