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"The Sicilian Kan Variation has always been regarded as a fighting opening. After 5.c4 Nf6 6.Nc3, Black employs the typical Hedgehog moves ...Qc7, ...b6, and ...Bb7, keeping the dark-squared bishop flexible (which can still be developed to e7, d6, c5 or b4). However, in the position after the moves 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 Qc7 7.Be2 b6 8.0–0 Bb7 there is a brilliant idea: 9.Nd5!!.
Few games featuring this knight sacrifice can be found in the databases, making it a real insider’s tip! The most prominent player (though not the first) to employ it was Alexander Grischuk; one can therefore safely assume that he has analysed it in depth. 9...exd5 10.exd5!. Let’s take consider this position. White has sacrificed a knight for long-term positional compensation. The e-file has been opened, and a major piece could soon appear there to pressure the black king on e8. The c4/d5 pawn pair completely paralyses both the bishop on b7 and the knight on b8. The move ...d7-d6 (to enable ...Nbd7) would weaken the c6 square and render the bishop on f8 passive. The white knight on d4 eyes an excellent outpost on f5. White’s ideal setup consists of Bd3, Bg5, and Re1. Black relies primarily on manoeuvring the knight to e4 and forming a battery with Bd6 and Qc7 to generate counterplay. Finally, there remains the option of returning the piece with ...Nc6.
All in all, White’s chances are great, and I am confident that 9.Nd5!! will gain big popularity! In the above diagram, I will examine the following continuations for Black: A) 10...h6?!, B) 10...Bc5!? and C) 10...Bd6!.... "
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The new format of the pdf allows selected theory articles and analyses by renowned authors to be presented in full. This issue features, amongst other things, opening articles on the Slav Marshall Gambit 4.e4 dxe4 5.Nxe4 Bb4+ 6.Bd2 Qxd4 7.Bxb4 Qxe4+ and the Barendregt Variation 1.d4 g6 2.c4 Bg7 3.e4 d6 4.Nc3 c5!? 5.d5 Bxc3+. You can also look forward to in-depth analyses by Le Quang Liem and Anish Giri! And there’s plenty of space in this beautifully laid-out pdf-file for the presentation of ChessBase Magazine’s wide range of training columns. From opening videos and ‘Practical Tips for the Tournament Player’ to a detailed guide on how to build this issue’s ‘Fortress’ – you’ll find all this in issue #233!

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