Judit Polgar vs Hikaru Nakamura (2010)

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Judit Polgar vs Hikaru Nakamura
Cap d'Agde (2010) (rapid), Cap d'Agde FRA, rd 4, Oct-25
Spanish Game: Closed Variations. Keres Defense (C92) · 0-1

White to move.

ANALYSIS [x]

0-1

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1

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Oct-27-10		Whitehat1963: Where did Judit go wrong?

Oct-27-10		Marmot PFL: Black was basically playing the clock from move 1. I don't know the line but I would meet 9...a5 with 10 a4 and let black worry about the loose pawn structure. Anyway she still gets a good game so black decides to sacrifice a pawn to gain more time. 29 c4 bc 30 Bxc4 looks strong as white has a passed b pawn and d6 is about to go as well. So instead in time trouble she gives back material to simplify into a good but drawish ending, but 46 b5? is just bad allowing black's rook in and 47 Kg1? is probably losing - takes her king right out of the game (47 Kf3 is like the game but with the king more active). Not a well played game but good enough to advance, and I expect Nakamura will play more carefully vs Ivanchuk, assuming they meet in the finals.

Oct-27-10		Marmot PFL: By move 70 white does get what looks like a defensible position with Kf3, rook on the 3rd rank defending a3. Then she abandons this for some reason (mostly time trouble I suppose). Anyway there doesn't seem to be a winning plan for black if she just maintains the position.

Oct-29-10		Chessical: I do not see how Nakamura could have broken through after <72.Rd3> click for larger view

Nov-01-10		Ulhumbrus: An alternative to 10 d4 is 10 a4, because then 10...b4 concedes the c4 square to White, as in the game Keres vs A Tarnowski, 1952 An alternative to 31 Nxe5 is 31 Nd4 when the N threatens the b5 pawn as well as Nf5 An alternative to 34 Rxc4 is 34 g3 after which Black's entire Queen side and Black's entire King side have become potential targets for attack An alternative to 37 Qf3 is 37 Qf5 keeping an attack on the s5 pawn eg after 37...Ng4 38 Bg3 An alternative to 41 Rd7 is 41 Bc5 with perhaps the superior minor piece An alternative to 44 Rc3 is 44 Rc5 attacking the e5 pawn and threatening to attack the a4 pawn by Ra5. After 45...Rxd6 Nakamura's Rook attacks all of the four squares in the d file in White's half of the board, d4, d3, d2 and d1 and White's Rook and King cannot keep Black's Rook out of all of them. All the same, White may able to draw. However Polgar wants more than a draw although by now her advantage, if any, may be no longer sufficient to win Polgar's play suggests poor playing form. Polgar holds the advantage for much of the game, lets it slip gradually by several errors, and then finally goes too far trying to avoid a draw and loses.

Dec-02-21		Immortal Gambit: The rook endgame is very reminiscient of Firouzja vs. Mamedyarov 2021, Firouzja vs Mamedyarov, 2021.

Dec-02-21		SChesshevsky: Not sure this opening is really a Keres Defence. Things that usually stand out is blacks repositioning the N's. ...Na5 to allow ...c5 then especially ...Nf6 to ...Nd7 which often allows ...Be7 to ...Bf6. Don't see any of that here. Believe Keres unleashed his idea at Curacao 1962. He also describes how he came up with it in the excellent book "How to Open a Chess Game" .

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