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Aron Nimzowitsch vs David Janowski
Karlsbad (1907), Karlsbad (Karlovy Vary) AUH, rd 6, Aug-27
Scotch Game: Schmidt Variation (C45)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Sep-15-16
Premium Chessgames Member
  fredthebear: Black comes out aggressively! White must play carefully. Then White makes use of the open e-file under his control. White is able to trade his knight for Black's centralized bishop, which is a positional factor later in the game.

This becomes a battle over isolated pawns. Black cannot hang onto his d-pawn passer, while White does retain his b-pawn passer. White has a big mobility advantage in the endgame when his long range bishop can protect either pawn on each side of the board from a distance, allowing the White king to go freely on the attack.

In the final position, White's bishop has the Black knight corralled on the back rank. If the knight tries to leave, it will be captured and the b-pawn promotes. With the queenside neutralized in White's favor, the game is reduced to a simple K&P vs. K on the kingside. White has the advantage here too, as the White king is way out in front of the passed g-pawn, so it will promote. Remember the rule: A king on the 6th ahead of it's passed pawn will be able to get control of the promotion square no matter who's turn it is to move. Or, the White king could march over on the dark squares and take the Black knight while the Black king must eye the g-pawn. Thus, Black resigned.

Looking back, I suppose Black could have sacrificed the exchange, rook for bishop and pawn (or pawn and bishop) on the 31st move. This would have kept play on one side of the board (albeit down the exchange) with White now having to deal with Black's protected d-pawn passer. This appears to slightly improve Black's drawing chances. However, David Janowski was not one to play for a mere draw at best!

Janowski detested endgames and was known for attacking with the bishop pair. He and Siegbert Tarrasch are the only two players to have defeated the first four world champions.

Sep-17-16
Premium Chessgames Member
  keypusher: <fredthebear>

I have the tournament book. At move 31, Marco writes <It is clear that White can win the pawn on d5 only by exchanging it for a pawn on b3. But then there arises a Queen and rook ending with a completely symmetrical pawn formation -- therefore a hopelessly drawn position. Janowsky wants to elude this fate, and he suceeds in doing so -- as usual -- by losing.>

Apparently 38....Nxg4 or 40...Nxg4+ would have been good enough to hold. Even after the pawn was lost, 42...Nxd5 would have given Black better chances of avoiding defeat.

Aug-19-22
Premium Chessgames Member
  plang: 11..Bc5 was a new move that has not been repeated; 11..h6, 11..Bd6 and 11..Bg4 are the most popular choices. Nimzovich attributed 18 Qa4?! to youthful enthusiasm and was surprised that the sacrifice was not accepted. 21..Bxd5!? and 22..Rfd8!? are both odd looking moves. 38..Nxg4 would almost have certainly led to a draw; Black's decision to not play it is hard to understand.
Dec-22-23
Premium Chessgames Member
  kingscrusher: 35...Rxb3 would be a fun one - Rxd5! showing it is also useful to control King escape squares in managing isolated pawns vs the opponent's isolated pawns, as special tactical issues lurk behind the scenes.

Aron Nimzowitsch - David Janowski 1-0 6.0, Karlsbad Karlsbad (Karlovy Vary) AUH 1907


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Analysis by Stockfish 16 - 2 cores only:

1. +- (4.69): 36...Qxd5 37.Qxd5 Rb8 38.Qd6 Rcb7 39.g4 Rb6 40.Qc5 Rb5 41.Qc7 R5b7 42.Qc6 Rb6 43.Qc4 R6b7 44.Bc8 Rb1 45.Rxb1 Rxb1+ 46.Kg2 Nd5 47.Qc6 Nf4+ 48.Kh2 Rh1+ 49.Kxh1 White is clearly winning

(Gavriel, 22.12.2023)

Magic behind the scenes

If Rxd5 Qb6

Rd8+ Ng8


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Rxg8+ with Re8 mating to follow

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