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After last month's Fianchetto extravaganza, this time around we focus on White's main lines with 4.e4, the Samisch and Classical.

Download PGN of February '12 KID games

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Sämisch - Panno [E84]

After 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 0-0 5.f3 d6 6.Be3 Nc6 7.Qd2 a6 8.Nge2 Rb8 Black continues to score pretty well against 9.Rc1. In Enchev - Fier Black repeats Truong Son's 9...Re8 10.Nd1 e6 11.Nf2 d5!?:

Theoretical equality may not be clear, but Black gets a complicated strategic game where it's easy for White to overextend.

Bronstein's queen sacrifice 1.d4 Nf6 2.c4 g6 3.f3 Bg7 4.e4 d6 5.Be3 0-0 6.Nc3 e5 7.d5 Nh5 8.Qd2 Qh4+ 9.g3 Nxg3 10.Qf2 Nxf1 11.Qxh4 Nxe3 will always attract certain players. In Khismatullin - Ju Wenjun both players follow what may be called the main line until Black is tempted by a check on move 16. White's play looks very convincing, so Black may have to resort to conventional methods.

Makagonov Variation [E90]

We could consider 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 0-0 6.h3 e5 7.d5 Nh5 8.Nh2 Qe8 9.Be2 Nf4 10.Bf3 f5 11.g3 Nxh3 12.Bg2 fxe4! to be the current main line of the 7...Nh5 line of the Makagonov variation. After 13.Nxe4 Bf5 14.Ng4 h5 15.Nef6+ Bxf6 16.Nh6+:

Black plays the unusual 16...Kh7!? in Belous - D. Petrosian. There is a point, but I am not sure it will hold up to scrutiny however.

Classical - Gligoric Variation [E92]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 0-0 5.Nf3 d6 6.Be2 e5 7.Be3 Ng4 8.Bg5 f6 9.Bh4 Nc6 10.d5 Ne7 11.Nd2 Nh6 (we have also looked at several games with the ambitious 11...h5!?) 12.f3 c5 is an interesting line in the Gligoric. White may get some edge, but he has to be careful. In L'Ami - Shimanov Black had decent play, but then White took over and started to turn the screws. But the KID lends itself well to swindles...

7...Na6 Variation [E94]

This month the games in the 7...Na6 line both consider a typical exchange sacrifice.

After 1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d6 5.e4 0-0 6.Be2 e5 7.0-0 Na6 8.Re1 Qe8 9.dxe5 dxe5 10.b3 Black plays 10...Nc5! 11.Ba3 Ncxe4! in Ftacnik - Dziuba. This was known to be satisfactory for Black for many years, but the idea is important and worth taking a look at.

The other main line is 8.Be3 Ng4 9.Bg5 Qe8 10.dxe5 dxe5 and now in Zhao Jun - Bojkov White uncorked 11.c5!?:

This is a rare move which should not be too dangerous if Black plays 11...Nxc5! which I played once myself. Unfortunately, I blundered the house a few moves later... Black avoided this sacrifice in our main game and got a terrible position.

9.b4 Bayonet Attack [E97]

One problem for Black in the Bayonet Attack is that White has so many options, and they all lead to different types of play. In Bacrot - Fontaine White plays something rather novel with 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 0-0 6.Nf3 e5 7.0-0 Nc6 8.d5 Ne7 9.b4 Ne8 10.c5 f5 11.Ba3!? Nf6 12.Ng5!? and in a rapid game his opponent is unable to cope with the fresh problems that arise.

When I first played through Shen Yang - Robson, I thought there was an error in the input of the moves. 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 0-0 6.Nf3 e5 7.0-0 Nc6 8.d5 Ne7 9.b4 a5 10.Ba3 Nh5 is a bit of a sideline. Here White played 11.bxa5, but I think the most testing line is 11.c5 Nf4 12.b5! Later this position was reached:

And Black played 17...Nc6! When I saw this blow I thought the earlier moves were wrong, but they are not...

9.Nd2 Main line [E97]

One of my favourite lines for Black is 6.Be2 e5 7.0-0 Nc6 8.d5 Ne7 9.Nd2 a5 10.a3 Bd7! After 11.b3 c6 the Ukrainian prodigy is able to show how nicely things can go across the board for Black in Lahno - Nyzhnyk.

Until next month, David

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Don't hesitate to share your thoughts and suggestions with me. Any queries or comments to the KID Forum, or to me directly at (subscribers only) would be most welcome.