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Andrei Belozerov vs Dirk Poldauf
European Club Cup (2003), Rethymnon GRE, rd 2, Sep-29
King's Indian Defense: Four Pawns Attack (E76)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Jul-22-07
Premium Chessgames Member
  MarkThornton: This is a critical line for the KID 4 Pawns Attack.

White took a very hot pawn and got away with it.

But as no-one else seems to have repeated <9.Nxe5>, I presume that there is something wrong with it.

Belozerov hasn't repeated it, but he hasn't had the chance to do so, yet...

Jul-22-07  acirce: Joe Gallagher says in Beating the Anti-King's Indians (1996):

<9.Nxe5?! is also doubtful but worth looking at in a little more detail. After 9..c5! 10.Be3 (10.d5 Nxe4 11.Nxe4 Bxe5 is good for Black) there is:

1) 10..cxd4 11.Bxd4 and now:

1a) Several commentators give 11..Ng4 an '!', quoting the game Bystriakova-Umanskaya, Stavropol 1989, where Black had good positional compensation for the pawn after 12.Nf3 Bxd4 13.Qxd4 Nb4 14.0-0-0 Qxd4 15.Rxd4 Nc6 16.Rd2 Kg7 17.h3 Nf6 18.Re1 Be6.

1b) Whilst this seems OK for Black, I don't see any real necessity to head for an ending a pawn down. One idea is 11..Nb4?!, but after 12.Bc5 Qa5 13.Bxf8 Bxf8 we have probably given up a bit much material for our beautiful position.

1c) Perhaps the best line of all is 11..Qe7! as 12.0-0 Rd8 looks extremely awkward for White.

2) 10..Ng4!? occurred to me after seeing variation '1a' above. Although it is playable, it is no more effective than 10..cxd4. I have examined:

2a) 11.Bxg4 Bxg4 (you may wish to amuse yourself with 11..cxd4) 12.Nxg4 (12.Qxg4 cxd4 13.Bg5 Qa5) 12..cxd4 13.Nh6+ Kh8 14.0-0 f5! with good play for Black.

2b) 11.Nxg4 cxd4 (11..Bxg4 12.d5!) 12.Nh6+ Kh8 (12..Bxh6 13.Bxh6 Qh4+ would be fine for Black but White should play 13.Bxd4! with the advantage) 13.Bf2! Be6 14.Nd5 Qa5+ 15.Kf1 Bxh6 16.Bxd4+ Bg7 17.Bxg7+ Kxg7 18.Qd4+ f6 19.Kf2 Nb4! with adequate compensation for the pawn.>

Not all of this has to be correct but there is something to work with. I think 10..cxd4 looks pretty good and then wouldn't be too quick to dismiss 11..Nb4, however 11..Qe7 and perhaps 11..Ng4 looks just fine too. In short, I suspect 9.Nxe5 is indeed dubious or at least suboptimal.

Btw, my Fritz book gives 10..Nb4, which also Rybka calls equal. Also 10..Re8 to put more pressure on White's centre this way has been tested since the book was written but this is probably less good after 11.0-0 having weakened f7.

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