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Ulhumbrus
Member since Sep-27-04 · Last seen Nov-23-17
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   Ulhumbrus has kibitzed 21410 times to chessgames   [more...]
   Nov-20-17 Nakamura vs Radjabov, 2017 (replies)
 
Ulhumbrus: If 16 e5! gains the advantage this suggests that 14...Bf6 does not work and that 14...d6 is necessary.
 
   Nov-20-17 J L Hammer vs Svidler, 2017 (replies)
 
Ulhumbrus: After 7 Nc3 White has in effect made a transaction: He has conceded the bishop pair but in return his queen occupies the central post d4. Svidler's answer is to make a transaction of his own. He plays 7...e5!! accepting a backward d pawn as Black often does in the Sicilian defence
 
   Nov-20-17 Aronian vs A Giri, 2017 (replies)
 
Ulhumbrus: 8 h4? begins an unsound attack but it is up to Black to find a way to take advantage of it. As the move weakens the g3 pawn this suggests an advance of Black's f pawn by ...f5 and ...f4 as in the game Bogoljubov vs Nimzowitsch, 1927 9...Nxc3? both loses time for development and ...
 
   Nov-19-17 A Giri vs R Rapport, 2017 (replies)
 
Ulhumbrus: If against the queen's fianchetto White gains a permanent advantage by the pawn advance d5 as eg in the game Karpov vs Miles, 1977 this suggests 7...d5
 
   Nov-12-17 Topalov vs Nakamura, 2017 (replies)
 
Ulhumbrus: One justification for 22 f4 is that if White leaves the f pawn on f3 Black may play ...f6 and make a target of the f3 pawn, which is what happens this time.
 
   Nov-12-17 W So vs L Dominguez, 2017
 
Ulhumbrus: 46...Rc8? looks like a blunder whereupon 47 Bc5+ obstructs Black's counter-attack with check and therefore with tempo.
 
   Nov-12-17 Caruana vs Grischuk, 2017
 
Ulhumbrus: After 14 b5 White's a pawn becomes a permanent weakness and falls eventually, and in time White's game with it.
 
   Nov-12-17 Nakamura vs Topalov, 2017
 
Ulhumbrus: 14 Rfe1 refrains from the advance e4-e5. On this occasion after White delays this for long enough Black plays ...dxe4 and White's isolated d pawn becomes a target instead of a weapon while Black's c pawn turns out to be defended adequately.
 
   Nov-12-17 Topalov vs Nakamura, 2017
 
Ulhumbrus: If White can't take the d5 pawn by 15 Nxd5 this suggests that castling on the queen side has made Black's isolated d pawn stronger. In the present case the knight on b3 becomes a target instead of a weapon after 15 Nxd5 Nxd5 16 Rxd5 Be6 skewering White's rook on d5 to the knight ...
 
   Nov-12-17 Caruana vs Grischuk, 2017
 
Ulhumbrus: On this occasion Black's doubled e pawns became a weapon instead of a target, a fortress behind which Black could manoeuvre his king's knight to the square f4.
 
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