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Judit Polgar vs Alexander Morozevich
Chess Classic Mainz (2008), Mainz GER, rd 2, Aug-03
Spanish Game: Closed Variations. Flohr System (C92)  ·  1/2-1/2
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Aug-05-08  imag: What an interesting endgame, should go into "multiple queens collection".

Polgar exchanged queens to avoid complications but her queen was pretty useless at a1: after 75...Qxd3+


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the position is a tablebase draw.

70.Qfd5+ was probably better, also leading to the exchange of queens but with a better position for White.

Aug-05-08  cannibal: It's really incredible how close Moro was to perfection in the tablebase ending (starting from move 75), with just 5 seconds per move. It's a draw almost all the time, but still with those time controls I think it's won more often than drawn. Morozevich played the only move to draw more than a dozen of times. Then played his only "error" (in a super-human sense) with 126. ...Kh3? This allows mate in 46 after 127.Dd4 (and only on the next move a7!), no idea why. Polgar played 127.a7? right away, again only an error if you are a computer. The rest is again perfect.

However, 70.Qfd5+ would indeed have been a win for Polgar (forced transposition into a winning tablebase ending because of the better placement of the white queen).

Aug-05-08  4tmac: After the exchange of queens on move 75 white was left with her queen on the edge of the board with a TB draw. I feel bad for Judit, she deserved to win this. The position below has a queen any place that would be a draw after move 75. Notice you don't want your queen in the corner (such as <a1> where it was) as it can't help out.


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/ Also it should be pointed out (for anybody that is still interested) that <if either pawn was advanced 1 square it is a win>. In fact the "a" pawn is under attack and a better example of this ending is with the <"a" pawn on a2>. I'll show a board with the queens on "drawing squares". Keep the queen out of the corners.


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/

Aug-05-08  4tmac: 70.Q-d5+ would have been a lot better. <imag> Here is the position <cannibal> at move 127: WHITE TO PLAY & W


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Q-d4!(only) wins by meeting checks with Q-d7; after whites K goes to c7 protects the squares c5-e5-f4; and supports the pawn advance. I liked this after about 10 moves or so: WHITE TO PLAY & WIN


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Any K move and Q-c5,d4,e3,g6+ all win but Q-b8?(edge) allows perpetual. White must walk his K to the same file as blacks K to force the exchange of queens or queen the pawn. After looking at many lines and many moves this: W play & win


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.Q-a2+,b2+,a5+,f1 these 4 Q moves win while a8=Q draws by perpetual (Q-e3+ the "only" draw!) 5sec/move???

Aug-08-08  incredulouscrab: i have nightmares that look like 4tmac's first diagram
Dec-18-08  WhiteRook48: Do you mean Queenmares? :)
Dec-22-08  WhiteRook48: Go Morozevich!!! I bet Polgar was furious about not winning this game. "Not a stupid draw!!! Three fold WHAT? I want to WIN!"
Dec-23-08  WhiteRook48: all those checks
Jan-05-09  WhiteRook48: excellent checking to hold the draw! The only down side is that you lose rating points- or do you?
Jan-29-09  WhiteRook48: well, pretty much a 2008 game
Jan-31-09  WhiteRook48: and again: nice perpetual
Jan-31-09  WhiteRook48: 145. Ka6?! might work
Feb-04-09  WhiteRook48: wait, then 145...Qa4+ forcing him back
Feb-14-09  WhiteRook48: 20 move rule?!
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