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Dvoretsky says that if it were black to move it speaks for itself that he would trade queens since 1. ... Qf5 2. Qxf5 gxf5 is good for black.
Why?
In my ridgid vision the creation of an extra pawn island is not good. So of what comprises the advantage of black? Or is it his only way to maintain equality and are other moves worse?
I think the position with White to move might be slightly better for White. He controls more space in the centre and his pieces, especially the queen, are well placed to restrain Black's pawn breaks ...c5 and ...e5. If Black does nothing White can try to increase his advantage by playing on either flank.
ReplyDeleteAfter 1...Qf5 2.Qxf5 gxf5 the situation is much improved for Black: without the queen White's pieces are all tied down to defending the d-pawn and the ...c5 and ...e5 breaks hang in the air because of the pin on the d-file. Isolating the h-pawn does not trouble Black since there's no way White can attack it. All in all the position after the queen trade might veer towards a slight edge for Black (...f5-f4 is the immediate threat) and so I think White would do better to respond to 1...Qf5 with 2.f3!?, but after 2...a6!? (preparing 3...Qxe4 4.fxe4 b5) the position seems balanced to me.
Therefore if it's White's move in the diagram then it seems that 1.g4! is the only way for White to press for an advantage.
To understand the assement, its important to know endgames with bishops on same colour, In these endgames, the pawns is best on the squares on the opposit coulor of the bishops. The pawn on d4 is almost permanently fixed on the wrong colour, and as long as black pressure that pawn, its will be very hard for white to do something active. Thats also why, black can comfortably play a6 at some point, not fearing a5, because then white will get another pawn on a wrong coulor.
ReplyDeleteSecondly, in rook endgames, double pawns are often a good thing. He can swing one or two rook to the g-file, and white will make a tought decision on how to react. g2-g3 will not be ideal with regard to the coulor of the bishops. So, basically, black has two files(d and g) to operate on, while white has a headache solving his issue with his weak d4-pawn.
Real good chessplayer like Rybka or Fritz 11 think different about this position: 1. ... Qf5 2. Qxf5 gxf5 is good for white. The most moves of black are better than this one!
ReplyDeleteHello there. How do you generate your dragrams with arrows ? Nice ones.
ReplyDelete