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Ulhumbrus
Member since Sep-27-04 · Last seen Jul-08-20
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   Ulhumbrus has kibitzed 23384 times to chessgames   [more...]
   Jul-08-20 Hartston vs Spassky, 1965
 
Ulhumbrus: One justification for playing 5 Bc4 instead of 5 B b5+ so as to have the bishop on c4 instead of on b5 is that if the game then proceeds as after the game proceeds after the move 5 Bb5+ on 5 Bc4 c6 6 dxc6 Nxc6 7 d4 Bd6 8 Qe2+ Black cannot respond with 8 ...Be6 as 9 d5 becomes ...
 
   Jul-08-20 Portisch vs Karpov, 1978
 
Ulhumbrus: After 30...Nd6 if either one of Black's knights can acquire a good post it may become, if not the superior of a powerful bishop, or even the equal of a powerful bishop, then at least an adequate defender against a powerful bishop. With 32...Nc5 Karpov has both of his knights ...
 
   Jul-08-20 Karpov vs Larsen, 1979
 
Ulhumbrus: With 12 a4 Karpov has a phalanx of four pawns on the queen side. What is Larsen going to do about it? Larsen is going to play a group of three pawn moves. He begins with 12...c6 clearing c7 for his queen but also supporting another pawn move, the advance ...b5. A little later ...
 
   Jul-08-20 Portisch vs Larsen, 1979
 
Ulhumbrus: On 45...Rg8 46 Qe4 Black has no good answer to the threat of 47 Qh7 mate
 
   Jul-07-20 Korchnoi vs Sax, 1980
 
Ulhumbrus: This way of declining the Benko gambit (4 Nf3 bxc4 5 Nc3 g6 6 e4 d6 7 Bxc4 Bg7 8 e5) seems useful to know about, if it works.
 
   Jul-07-20 Ljubojevic vs Larsen, 1980
 
Ulhumbrus: 23 Kb1 seems inconsistent. Why has White played 22 Bd4 if not to remove the N on e5? On 22 Bxe5 Rxe5 23 g6 White's pawns enjoy themselves.
 
   Jul-06-20 Carlsen vs A Giri, 2020 (replies)
 
Ulhumbrus: <SChesshevsky> In the game Kasparov vs Najdorf, 1982 Stockfish indicates that it took just one mistake - the wrong rook by ...Rae8 instead of ..Rfe8 - to give White an advantage instead of equality One alternative to 18...Ne4 is 18...Nd7 offering to return the pawn at once ...
 
   Jul-05-20 Carlsen vs A Giri, 2020 (replies)
 
Ulhumbrus: An alternative to 8...e5 is 8...Qc7 or 8...b6 One objection to 10...Qe7 is that Black cannot answer 11 d5 with 11...Na5 as then the check 12 Qa4+ becomes a fork, as the N is undefended. One alternative to 10...Qe7 is 10...g6 freeing the king's knight to go to d7.
 
   Jul-05-20 Carlsen vs A Giri, 2020
 
Ulhumbrus: Commentators as well as the computer evaluations have indicated that 43...Ra4! draws while 43...Rc1?? loses by allowing 44 Rd8! One example of a thing which this suggests is that 43...Ra4 ties the White rook to the defence of the a pawn along the 5th rank so that it cannot go to ...
 
   Jul-05-20 A Giri vs Carlsen, 2020
 
Ulhumbrus: The computer evaluations suggest that positional play by 17 Re1 followed by Nd6 might have led to a win whereas trying to attack by 17 Neg5 let the advantage slip. If this is so, it suggests that White's overall positional advantage is not great enough to justify trying an ...
 
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