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Subject: Re: 30. Ng5 is losing in Kramnik-Shirov, rd. 3?

Author: blass uri

Date: 09:56:18 05/29/98

Go up one level in this thread


On May 29, 1998 at 05:01:53, Dennis Breuker wrote:

>In http://www.chesscenter.com/twic/michael53.html Michael Greengard
>gives some interesting analysis for the third game in the
>Kramnik-Shirov match.
>
>This is the game in PGN:
>
>[Event "WCC Cand final"]
>[Site "Cazorla ESP"]
>[Date "1998.05.27"]
>[Round "03"]
>[White "Kramnik,V"]
>[Black "Shirov,A"]
>[Result "1/2-1/2"]
>[ECO "D88"]
>[WhiteElo "2790"]
>[BlackElo "2710"]
>
>1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4
>O-O 8. Ne2 c5 9. O-O Nc6 10. Be3 Bg4 11. f3 Na5 12. Bxf7+ Rxf7 13. fxg4
>Rxf1+ 14. Kxf1 cxd4 15. cxd4 e5 16. d5 Nc4 17. Qd3 Nxe3+ 18. Qxe3 Qh4
>19. h3 Bh6 20. Qd3 Rf8+ 21. Kg1 Qf2+ 22. Kh1 Qe3 23. Qxe3 Bxe3 24. Rd1
>Rf2 25. Ng1 Kf7 26. Rd3 Bb6 27. Rf3+ Ke7 28. Rxf2 Bxf2 29. Nf3 Kd6 30.
>g3 Bxg3 31. Kg2 Bf4 32. Kf2 Kc5 33. Ke2 b5 34. Kd3 1/2-1/2
>
>Here I quote the relevant part of what Michael Greengard wrote:
>
>
>------------- <begin quote>
>30.g3 looks like a blunder, tossing a pawn and allowing the bishop to
>protect the weak e-pawn, but upon deeper inspection White has nothing
>else. 30.Ng5 is the obvious move, winning a pawn and, coincidentally,
>almost losing the game! You computer analysis addicts out there should
>toss your Pentium 400 MHz and ChesSpank 6000 out the window on this one
>as I'm sure they just LOVE 30.Ng5! I'm still looking at side lines, but
>it's very hard for White to save the game as the queenside pawns are
>very fast if the knight wanders that far away. (Good thing to remember
>in your own games. Pawns are slow in the middlegame, but are devilishly
>fast in endgames vs. knights!)
>
>While Black is in trouble if he tries to defend (Black loses after
>30.Ng5? 30...h6 or 30...b5 and just barely draws (?) after 30...Ke7), he
>can go on the offensive with 30...Kc5! and it takes some serious
>acrobatics for White to even draw this position.
>
>[ANALYSIS LINE: 30.Ng5?]
>
>30...Kc5! 31.Nxh7 b5 32.g3 a5
>
>(32...Bxg3? Slowing down the queenside pawns by a crucial tempo and
>allowing the white king to gain several important tempi hitting the
>bishop. 33.Nf8 a5 34.Kg2 Be1 35.Nxg6 Kd6 36.Kf1! Bc3 37.h4 b4 38.Ke2
>winning)
>
>33.Kg2 Bd4

fritz5 prefered 33...a4 with evaluation of equality after 7 minutes

 34.Ng5
>
>(This crazy line which appears to save White is probably better! Lots of
>analysis needed here: 34.h4 b4 35.h5 gxh5 36.gxh5 a4 37.Nf6 Be3 38.d6
>Bg5 39.Ng4

now 39...Kxd6 wins for black


Uri



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