GameKnot: Comments - Chess Tactics #93890

CHESS TACTICS #93890

Problem's rating:	1374
Avg. time to solve:	00:46
Total attempts:	161
Solved percentage:	73.9%

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numberxii
02-Sep-11, 13:19

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Tactical problem 93890

If the w-rook captures the b-pawn on the first move of the solution, b-rook (a2) simply captures w-rook at h2. This is not a good solution.

breakerofwind
06-Sep-11, 06:01

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I disagree. At the start of the position, each side is equal. After 2.Rxh2 Rxh2 3.a8=Q
White has a queen versus Black's rook. It is obvious that White will win eventually.

sanyaya1984
21-Dec-11, 00:26

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number xii, the lesson is still correct, as queen always wins against rook (not taking cases of immediate resolve by stilmate or perpetual check or by taking a queen)

But I agree with you!! Queen vs rook on computer analysis took 41(!) move to a checkmate,
it was near the 50-move draw... So it is unclear why someone would leave with plain rook vs king endgame instead that tricky one queen vs rook.

sanyaya1984
21-Dec-11, 00:28

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breakerofwind, you're writing "obvious",
are you sure you will win that ending vs computer? its easy to try.

breakerofwind
21-Dec-11, 05:20

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I anticipated what you said, "queen always wins against rook," but it isn't easy.

saigashooter
21-Dec-11, 19:54

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I not super good at end games but Siegbert Tarrasch in the the book "The Game of Chess" covers Queen vs Rook and the harder mate of King and rook Vs Queen and makes it super easy to follow.

saigashooter
21-Dec-11, 19:57

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I worded that wrong. I meant to say Queen vs rook and rook vs king mates.

breakerofwind
21-Dec-11, 21:48

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Like many people, I don't like endgames and think they are boring. They're a necessary evil, however.

sanyaya1984
24-Apr-12, 21:55

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I wanted to point out that Rook vs King is much easier than Queen vs Rook.
Personally I can easily and surely do first but not the second.

Also the computer analysis of GK tells (as I pointed above) that it takes 41 move to the checkmate in this aparent Queen vs Rook position. I guess one mistake there and you are out of 50 allowed moves.

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CHESS TACTICS #93890