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Ian Nepomniachtchi vs Yifan Hou
FIDE Grand Prix Moscow (2017), Moscow RUS, rd 1, May-12
Queen's Gambit Declined: Exchange Variation (D35)  ·  0-1


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sac: 22...Qd7 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Premium Chessgames Member
  An Englishman: Good Evening: 9...Nxd7 seems to leave opening theory, and can't tell if it set a trap for Black or for White (!). White looked eager to sacrifice the Exchange to keep the Black King in the center, and the silicon monsters will have to decide if White missed a winning line in the middle game or if Black played inspired defense throughout.
May-13-17  Strelets: <An Englishman> My suspicion is that it's the latter. I just don't think White gets enough play for the exchange.
Premium Chessgames Member
  Sokrates: Quite enjoyable to see how Yifan kept her cool through the whole game and slowly but surely gained material while rejecting all Nepo's attempts to establish compensating attacks. Very well conducted by the world's strongest female player who once again has the pleasure of leading a strong tournament, albeit the pleasure is likely to become short-lived.
May-13-17  paavoh: Agree with <Strelets>. White just did not have enough oomph in the position after the speculative exchange sac.
May-13-17  CountryGirl: Game should not be classified as QGD Exchange Variation - it's not.
Premium Chessgames Member
  zanzibar: SCID also classifies this as QGD xchg.
Premium Chessgames Member
  HeMateMe: what was the Nepster thinking? He must have missed something while planning out this line on his kitchen table.

wouldn't black have made her job easier if she had traded queens at g2 when the opportunity first arose?

May-19-17  rajb245: <An Englishman> 9...Nxd7 is found as the best move by my engine (Stockfish 8) at depth 28, so it's possible this is a novelty Yifan found using engine analysis and she had in her back pocket from her preparation. For what it's worth, I only see one GM level game where this position was reached (Aronian vs F Vallejo Pons, 2017), and Pons played the natural 9...Qxd7
May-21-17  Monocle: <CountryGirl: Game should not be classified as QGD Exchange Variation - it's not.>

White didn't play an early Nf3, so it isn't a Semi-Tarrasch. What else would it be?

Jun-14-17  pawndude88: Kudos for Hou for only drawing 4 games in the tournament.
Premium Chessgames Member
  cormier: 12.Bf6 ...
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