3/25/2010 – ... usually is of enormous power. In this endgame, however, its range there is pretty 'short'. White's last move was 40.g5-g6, whereupon Black had to evaluate the consequences of 40...Nxg6 41.Rxd7 Nh4+ 42.Kg3 Nxf3 43.Kxf3 Kf8. What do you think about it?
A) good idea, Black traps the rook on d7;
B) a return sac leads to equal chances;
C) White wins.
The solution is here,
but first ponder over it with a larger version of the diagram.
Winning starts with what you know
The new version 18 offers completely new possibilities for chess training and analysis: playing style analysis, search for strategic themes, access to 6 billion Lichess games, player preparation by matching Lichess games, download Chess.com games with built-in API, built-in cloud engine and much more.
Winning starts with what you know The new version 18 offers completely new possibilities for chess training and analysis: playing style analysis, search for strategic themes, access to 6 billion Lichess games, player preparation by matching Lichess games, download Chess.com games with built-in API, built-in cloud engine and much more.
White's last move had been 40.g5-g6, whereupon Black had to evaluate the consequences of 40...Nxg6 41.Rxd7 Nh4+ 42.Kg3 Nxf3 43.Kxf3 Kf8. What do you think about it?
A) good idea, Black traps the rook on d7;
B) a return sac leads to equal chances;
C) White wins.
How do you play the Queen's Gambit Accepted? Does White have promising variations or can Black construct a water-tight repertoire? The Powerbook provides the answers based on 300 000 games, most of them played by engines.
The Queen's Gambit Accepted Powerbase 2025 is a database and contains a total of 11827 games from Mega 2025 and the Correspondence Database 2024, of which 240 are annotated.
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The greater part of the material on which the Rossolimo/Moscow Powerbook 2025 is based comes from the engine room of playchess.com: 263.000 games. This imposing amount is supplemented by some 50 000 games from Mega and from Correspondence Chess.
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