11/29/2013 – The new ChessBase Magazine provides star analysis by some of the world's best players. There is also a wealth of openings analysis and surveys, like Michal Krasenkow's uncompromising 4.h2-h4 in the A85 Dutch. White follows up with h4-h5 and then he must not be afraid to offer an exchange on h5, and Black is faced with a difficult defensive task. Download this sample analysis for free.
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Experts examine the games of Max Euwe. Let them show you which openings Euwe chose to play, where his strength in middlegames were, which tactical abilities he had or how he outplayed his opponents in the endgame.
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ChessBase Magazine #157
Highlights
Fabiano Caruana, the "King of Bucharest", analyses his win against Ponormariov. More annotated games by Wang Hao and Nisipeanu.
Sinquefield-Cup Saint Louis: Magnus Carlsens last staging post before the WCh match. All important games from this top-class event with in-depth analysis.
The two winners of the FIDE Grand Prix in Paris, Caruana und Gelfand, each comment on one of their best games. Large opening survey by Mihail Marin.
European Club Cup: Wojtaszek, Laznicka and Bartel from the vicrorious team Novy Bor have annotated games.
NEW! Interactive video training: Daniel King "Move by Move", Oliver Reeh “Tactics", and Karsten Müller "Endgame" offer feedback to your ideas!
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In this sharp variation White follows up with h4-h5 and then he must not be afraid to offer an exchange on h5. There is no proof of any direct opening advantage according to Michal Krasenkow, but Black is faced with a difficult defensive task.
If Black wants to avoid the above variation, but nevertheless still aims for the Leningrad System, there is always the changing of move order with 3...d6. Boris Schipkov then examines 4.Bg5, which brings to the board independent variations – where the theory is as yet under-developed.
With 12...Bd7 Black is aiming for ...Nxd4 and ...Bc6, but the white knight avoids the exchange. The theory then goes far into the middlegame. Krisztian Szabo shows in his article that Black can hardly count on equality.
Development in the Poisoned Pawn Variation is driven above all by computer games. So, for his article Lars Schandorff has to great extent turned to the Najdorf Powerbook 2013 and come to some remarkable conclusions.
The move 9...Bc5 is actually only the third choice (after 9...Be7 and 9...Nc5), but Tibor Karolyi proves with his extensive analyses that Black can count on good chances of equality.
People still avoid the Marshall Attack. One quite popular variation is the one with 8.a4 b4 and then either 9.d3 or 9.d4. According to Igor Stohl White does not obtain an advantage with it, but over the board he gets playable positions.
Variations with h4 are fashionable, so why not against the Grünfeld Defence? All the relevant games are from 2013. Evgeny Postny shows in his article that Black gets decent play after both 5...c6 and also 5...dxc4.
Of course the Closed Variation (5.e3) is not an attempt to refute the Grünfeld Defence, it is more about enticing Black into unknown territory. Contrary to the trend Andrey Sumets considers that from the diagram the reply 7...Nxc3 is the safest.
In the second part of his series on the Tango Petar Arnaudov looks into the reply 4.g3, after which Black can only transpose to another opening. Our author pleads in favour of 4...d5 5.Bg2 dxc4, when a popular but easy to learn variation of the Catalan is on the board.
Vladimir Kramnik gave an impetus to this variation when he played 11.Qc2 (instead of the usual 11.Qa4) against Magnus Carlsen in the candidates tournament and obtained an advantage. Max Illingworth has examined both moves in depth and can refer to numerous contemporary games.
In recent years Black has obtained good results with the variation after 6...d5. But the setup with 9.h4 could turn out to be dangerous. Dejan Antic shows that 9...h6 is practically refuted; after 9...g6 there are certainly a lot of discoveries waiting to be made.
Mihail Marin presents detailed analysis of a variation which has recently somewhat gone out of fashion. But things do not have to remain like that. According to our author White’s resources are not yet exhausted.
Free opening survey - download a sample!
Free opening survey
Michal Krasenkow: "No compromises" (Dutch A85: 1.d4 f5 2.c4 Nf6 3.Nc3 g6 4.h4)
GM Michal Krasenkow from Poland presents a sharp weapon against the Dutch Defence. After 1.d4 f5 2.c4 Nf6 3.Nc3 g6 White immediately attacks the black setup with 4.h4.
The most common reply now is 4...Bg7 but that is exactly where Black starts to go wrong! In his new article Krasenkow shows you how White can cause the black king big troubles ater the almost forced moves 5.h5 Nxh5 6.e4! fxe4 7.Rxh5! The better choice is 4...d6, but also here White will sacrifice the exchange after 5.h5 Nxh5 6.Rxh5 with at least good practical chances.
How do you play the Queen's Gambit Accepted? Does White have promising variations or can Black construct a water-tight repertoire? The Powerbook provides the answers based on 300 000 games, most of them played by engines.
The Queen's Gambit Accepted Powerbase 2025 is a database and contains a total of 11827 games from Mega 2025 and the Correspondence Database 2024, of which 240 are annotated.
Rossolimo-Moscow Powerbase 2025 is a database and contains a total of 10950 games from Mega 2025 and the Correspondence Database 2024, of which 612 are annotated.
The greater part of the material on which the Rossolimo/Moscow Powerbook 2025 is based comes from the engine room of playchess.com: 263.000 games. This imposing amount is supplemented by some 50 000 games from Mega and from Correspondence Chess.
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