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| Dec-19-05 | | patzer2: <erimiro1> Thanks! We both agree 36. Kf2?? was the blunder and that 36. Kh2 leads to a draw. However, you are correct that the better alternative 36. Kf1! gives White strong winning chances. After 36. Kf1! the reply 36...Rf8 no longer wins as in the game (i.e. 36. Kf2?? Rf8!), since White can now play his counterpin 37. Rd8! with decisive effect. 
click for larger view[Position after 36. Kf1! Rf8?? 37. Rd8!  ]
From here Black seems to have nothing better than 37...Rxd8 38. Qxd8+ Kf7 39. Qc7+ Kf6 40. Qxc5 with a likely won ending for White (+3.22@ 14 depth per Fritz 8). So Fritz 8 suggests best play as 36. Kf1! Qf5+, forcing the exchange of Queens. However, after 36. Kf1! Qf5+
37. Qxf5 gxf5 38. Rxh6  (Fritz 8 prefers 38. b4! ), White has excellent winning chances in the Rook ending. 
click for larger view[Position after 36. Kf1! Qf5+ 37. Qxf5 gxf5 38. Rxh6!] Playing out this position at 15 depth with Fritz 8 led to the following win for White: 38. Rxh6 Rb8 39. Rc6 Rxb2 40. Rxc5 Ra2 41. Rxf5 Rxa3 42. Ke1 Ra4 (42... Rxe3 43. Kd2 Ra3 44. c5 Ra5 45. Kc3 Kg7 46. Kd4 Ra4+ 47. Kd5 Ra2 48. Kxe4 Rxe2+ 49.Kd5 Kg6 50. Re5 Rd2+ 51. Ke6 Rc2 52. Kd6 Kf6 53. Rd5 Re2 54. c6 Re6+ 55. Kc5Re7 56. Kb6 Re6 57. Kb7 Re7+ 58. c7 ) 43. Rc5 Kf7 44. Kd2 Ke6 45. Kc3 Ra1 46. Kd4 Kd6 47. Rd5+ Kc6 48. Kxe4 . |
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| Dec-19-05 | | dakgootje: Maybe a little harder for monday than usual, however this move was of course about the only possibily to play for black, as he cant move the rook, the king to one square, cant move pawns without losing the rook with check and the queen has few squares also, so you could, instead of looking for a great move, also have looked at about all the moves and juststrike out the worst moves. But all in all its a pretty nice puzzle with that double pin. Curious whether i would have seen it in a real game... |
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| Dec-19-05 | | ReikiMaster: Simple but easy to miss. Best Monday puzzle yet! |
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| Dec-19-05 | | AlexBabich: I saw this puzzle in one of the exersizes in a russian chess book about three years ago and I instantly recognized it. I don't know why white did not move Kf1. Sometimes your opponent just hands you an apportunity for mate. |
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| Dec-19-05 | | YouRang: A very pretty position with a pin and a counter-pin. Easy puzzle, just right for a Monday. :) |
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| Dec-19-05 | | rochade18: I've seen easier monday puzzles. It took me some time to discover the right queen move. a very nice one! |
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| Dec-19-05 | | NakoSonorense: hardest monday puzzle ever |
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| Dec-19-05 | | kevin86: A case of pin and counter pin---in this case the original pin is the pin winner. White's queen and king are forked by black's queen. The queen cannot capture and is thus,lost. :( A good Monday puzzle. |
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| Dec-19-05 | | trumbull0042: A subtle puzzle. A nice relief from brutish queen sacs often seen on Mondays (not that I don't enjoy brutish queen sacs, but they were starting to get kind of old). |
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| Dec-19-05 | | SickedChess: quite easy to find just 3 seconds for me :) |
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| Dec-19-05 | | chesscrazy: Interesting puzzle. I got it but missed the counterpin (I got Qh4 but didn't see the pin. How did I get that? No clue). I have a very strange brain. |
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| Dec-19-05 | | taerone: Nice puzzle, pin against pin. |
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| Dec-19-05 | | DtRooster: I got it within about 20 seconds, so it couldn't have been too hard. |
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| Dec-19-05 | | flamboyant: yeah took be about 20-30 sec also, very cool monday puzzle, i really had to focus on the program, which is kinda rare for a monday ;) |
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| Dec-19-05 | | robertbj: I quit forever |
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| Dec-19-05 | | mr j: Nice puzzel. It would be very satisfying to pull off such a winning move in a game :-) |
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| Dec-19-05 | | beenthere240: I think most people see it in a real game (unless they're in a time crunch, since all other moves lose!) |
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| Dec-19-05 | | apoorv: HARDEST Monday puzzle of all time (took me 20 seconds) |
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| Dec-19-05 | | BishopofBlunder: I took way too long trying to solve this puzzle. I kept looking for a Boden's Mate. |
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| Dec-19-05 | | Chess Classics: I got that one, but I'd seen it before. I think it was in Fred Reinfeld's "Win at Chess", a good book for bad tacticians like me! Regards,
CC |
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| Dec-19-05 | | Tariqov: Pretty easy for a monday,is it really hard?? seems like a normal monday puzzle.
<BishopBlunder>Do you know what is a Boden"s mate is ??? There are no Bishops! |
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| Dec-19-05 | | JeffCaruso: < <BishopBlunder>Do you know what is a Boden"s mate is ??? There are no Bishops!> He knows. He's just joshing! |
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| Dec-19-05 | | snowie1: It's the little things in life that hurt; you can sit on a mountain, but you can't sit on a pin. |
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| Dec-20-05 | | BishopofBlunder: <JeffCaruso: < <BishopBlunder>Do you know what is a Boden"s mate is ??? There are no Bishops!> He knows. He's just joshing!> Must have been my deadpan delivery... |
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| Aug-27-06 | | syracrophy: This game has the same taste of pins of this position: Brundtrup-Budrich, Berlin, 1954
click for larger view1.Bc5! Bb6 2.Qf4+! wins the queen |
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