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Akiba Rubinstein vs Julius Perlis
St. Petersburg (1909), St. Petersburg RUE, rd 5, Feb-21
Tarrasch Defense: Swedish Variation, Central Break (D33)  ·  1/2-1/2

ANALYSIS [x]

FEN COPIED

Annotations by Emanuel Lasker.      [80 more games annotated by Lasker]

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Kibitzer's Corner
Dec-01-07  Karpova: 25.Rg4?

Emanuel Lasker: <White's only wrong move. Here 25.Rh4 could decide the game quickly. If 25...Rad8 then 26.Rdf1, and if 25...e3 26.Bg5 Qxf5 27.Bf6+!>

Source: "Akiba Rubinstein - Uncrowned King" by Donaldson/Minev.

This game is from round 5 of the International tournament in St. Petersburg.

Dec-02-07
Premium Chessgames Member
  tamar: There was still a win with

32 Qxf7


click for larger view

if 32...Bxc3 33 Re2 b6 34 Qxa7 Bd4 35 Kg2 Bc5 36 Kf3 Rd8 37 Qc7 h6 38 a4 Rd5 39 g4 Rd1


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In comparison with the game's final position, White has a clear winning plan based on the 3 to 1 pawn majority, which will create unbearable threats against the King as they advance. Shredder gives an edge of 5.22 at 18 ply.

St Petersburg 1909 is my favorite tournament to find Rubinstein at his best, but he could have even gotten a better result.

Jan-19-13  cunctatorg: I was under the impression that the (relatively inferior perhaps) Swedish Variation of the Tarrasch Defense is an intellectual child of Swedish Grandmasters Stoltz and Stalhberg; anyways! 12 ... d4!?! and 13 ... gf6!?!
Jan-19-13  IndigoViolet: According to Hooper & Whyld in <The Oxford Companion To Chess> (2nd ed.), 6...c4 debuted in master chess in Schlechter-Marco, Vienna, 1907; a game not in the database.

It became known as the Swedish/Stoltz/Folkestone Variation after its adoption by the Swedish team at the Folkestone Olympiad, 1933.

Jun-06-19  Straclonoor: <Shredder gives an edge of 5.22 at 18 ply.> Stockfish gives same line

Analysis by Stockfish 150519 64 POPCNT:

+- (5.84): 32.Qxf7 Bxc3 33.Re2 b6 34.Qxa7 Bd4 35.Kg2 Bc5 36.Kf3 Rd8 37.Qa4 Rg7 38.Qc6 Rgd7 39.g4 Rd6 40.Qe4 Rd5 41.Qe6 Kg7 42.h4 R8d7 43.f6+ Kf8 44.g5 Rd1 45.h5 R1d6 46.Qe5 Rd5 47.Qf4 Rd1 48.Qb8+ Rd8 49.Qb7 R8d7 50.Qc8+ Rd8 51.Qe6 Re8 52.Qg4 Red8 53.Qe4 R8d7 54.a4 R1d6 55.Qf5 Rd5 56.Qf4 Rd1

Jul-24-23  generror: <IndigoViolet> Hmmm, maybe I should consult that book when researching the origins of opening variations :)

<6...c4> is an interesting move. Stockfish says it's about equal to the main line <6...Nf6>, but its practical results are actually generally better for Black (about +35%-25%=40% compared to +40%-20%=40%). However, a closer look shows that after the main line <7.Bg2 Bb4 8.0-0 Nge7>, things get unclear: After Stockfish's favourite <9.e4>, the results get *much* better for White (about +45%-20%=35%). However, this moved is played only in 40% of all games, instead, people play a variety of moves that all seem to deserve a "?!" and have good results for Black.

Personally, I find it really strange that <9.e4> is played so rarely, it looks pretty obvious to me -- grab central space, strike at the base of the pawn chain, perfect. However, after <6...c4>, all data indicates that an immediate <7.e4?!> (the Central Break/Rey Ardid variation) equalizes for Black, so maybe people are reluctant to play that later, and this variation has such a bad rep anyway that they don't have a closerlook at it. Also strange is that Stockfish and the results completely disagree as to what move to play after <9.e4> -- Stockfish clearly prefers <9...0-0>, but the results are much better for <9...dxe4>.

So there's still a lot of open questions. I didn't go deep into the variations because the Tarrasch is not something I would play, and it also is rarely played by my opponents. The Swedish variation doesn't seem to save the Tarrasch Defense, but it may be worth a try.

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