Riddle: Thomas-Alekhine 1925

by ChessBase
1/7/2025 – The famous classic Thomas-Alekhine is a strategical masterpiece. It has served as a lesson on how to play against weak white pawns on c3 and d4. Ever since Nimzowitsch has dealt with it in his famous work "My System" it has been popular with trainers and students alike. But did White really use all defensive options? This has not been debated enough in the past. Can you do this important job?

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Although almost 100 years have passed since its first edition, many respectable players still consider the book My System by Aron Nimzowitsch to be an indispensable part of chess development. And to be one of the best chess books (maybe the best!) of all time.

It was originally published in German as "Mein System" in 1925. Chess historian Edward Winter tells us all about its publication in this article in chesshistory.com, which includes this scan of the front cover by David DeLucia (Darien, CT, USA). An English translation by Philip Hereford, titled "My System," was published in 1929 by G. Bell and Sons.

The book was initially released as a series of five brochures between 1925 and 1927, and the Winter article meticulously traces the history of its publication and historical reactions to it.

In My System, which immediately became popular, Nimzowitsch very clearly laid out the principles of strategy in two parts: the first talks about the elements of strategy, while the second builds upon these elements to talk about positional play. In both parts of the book, Nimzowitsch mostly used games from his own practice as examples (an approach for which he was criticized, considering that many of the principles discussed in the book were known long before him).

One of the few games in My System that is not a Nimzowitsch game is Thomas-Alekhine, Baden-Baden, 1925. Even Alekhine was a little surprised, writing in the book of his best games: "Nimzowitsch – who was rather reluctant to comment on the games of his colleagues – distinguished this one by including it in his remarkable book, My System" (Alekhine: My Best Games, 1924-1937).

Participants in the Baden-Baden tournament in 1925

Both Nimzowitsch and Alekhine explained in their commentary to the game in their respective books how Black used pressure on open files to steadily restrict White’s pieces and ultimately force his resignation. The game is also quoted widely in many other sources, but mostly with comments from either Nimzowitsch or Alekhine, without new comments or analysis.

Many readers of Nimzowitsch’s My System (as well as, of course, readers of Alekhine's book), will easily recall this game because it is so impressive from the strategical point of view. Let us have a look at the position after 34. Rf1 with Black to move:

Please post your remarks in the comments section below and try to find all mistakes. More extensive analysis can be submitted as PGN to feedback to the editors.



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Karsten Müller Karsten Müller 4 hours ago
Another point by Alex Fishbein:
"I was trying to argue in that article (although indirectly) that Nimzovich might have been aware that this ending was much more complicated than it looks. For didactic reasons, he didn’t give a lot of variations or investigate better defensive attempts. In his annotations he never said directly that the endgame was winning — until the very end — and glorifies the fact that …b4 at the end was the only move.
My view of Nimzovich might be biased but I suspect he understood that some of the subtleties here were quite deep."
Karsten Müller Karsten Müller 5 hours ago
arzi: 47.h4 is playable as well or can you give a winning way fo Black?
WillScarlett: The author is Zoran Petronijevic and of course I thank him a lot.
Frits Fritschy: The second point is easier: 48.Kc2 indeed defends - see Fishbein's analysis from Amercian Chess Magazine 37 below. But your 42...f6! should win. But 43.Bc1?! is then not critical...
Karsten Müller Karsten Müller 6 hours ago
Alex Fishbein gives in ACM 37:
"48.Kc2! White anticipates the threat of e6–e5. 48...e5
After Black has weakened the e6–pawn, it's much harder for his king to do damage on the
kingside. 48...Ke4 49.Kb3 Kf3? would even lose to 50.Re1!; Black can, of course, play more
slowly with 48...Rc4 49.Kb3! Raa4 50.Re1 Rc7, but the engine doesn't see great winning
chances. For example, 51.Re3 Re7 52.Ra1 e5?! 53.fxe5 fxe5 54.dxe5 Rxe5 55.Rd1+ Ke6
56.Rxe5+ Bxe5 57.c4! Bxb2 58.cxb5 axb5 59.Kxb2 and White holds.
49.fxe5 fxe5 50.Kb3! exd4 51.cxd4" and White holds.
Frits Fritschy Frits Fritschy 1/7/2025 05:33
The engine proposes already on move 42... f6 followed by e5, and I can understand the idea of opening a second front when white's pieces are stuck on the queen side. White could have activated his pieces a bit with 43.Bc1 followed by Rb3, putting some pressure on the queen side and keeping an option on a later Rb4 after the f6-e5 plan. (The point being 43.Bc1 Bxa3 44.c4! Bd6 45.cxb5+ Kd5 46.Rab2 and it is not all black that is playing.) Also the engine's 48.Kc2 to free pieces with Kb3 I can understand. I'll leave the rest to others with better computers and more time.
WillScarlett WillScarlett 1/7/2025 04:08
Thanks for a very good presentation of a hundred-year-old notable classic game. I also appreciate the anniversary reminder of the great Baden-Baden tournament, one of the legendary events of chess history. It was a pleasure to see the fine group photograph of the contestants - a rather rarely shown picture of many illustrious, near-mythic personalities ! The book of this tournament published by Caissa Editions (1991) is a treasure house, incidently sub-titled "The Arrival of Hypermodern Chess" !

Alekhine won this tournament in style as he approached the World Championship two years later. As if the game with Thomas you presented weren't example enough, it was the game in this tournament that Alekhine won against Reti that is utterly fantastic and astounding. Kasparov himself said of that game, "I think there is a reason to nominate this game the most beautiful ever played in the history of chess."

Had this tournament included both Capablanca and Lasker it would have been a candidate for the greatest tournament ever held - up til then and even to this day. It would perhaps have been "too perfect" ?!

It's a regret that this article is anonymously offered. I think the author deserved to be duly credited and thanked personally.
arzi arzi 1/7/2025 01:02
White`s move, 47.h4, might be the decisive mistake (47. Bc1 is better)
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