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| Dec-01-11 | | ventricule: I'm glad I wasn't the only one falling for the Rh3 temptation, totally missing it was covered by the bishop. Weird case of generalized blind spot |
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| Dec-01-11 | | CHESSTTCAMPS: Black has a knight for a bishop and a more cohesive, centralized force. All of the white pieces are far afield from defense of the king, so Stahlberg probably did not notice that the two-pawn shelter can be breached. But it can. 27... Nf3! forces mate:
A) 28.gxf3 Rd2 29.f4 Qxf4 forces mate.
A.1) 29.Rb8+ Qxb8 and the threats of Qb1# and Qxh2# can't both be met. B) 28.g3 Rd2 forces mate.
C) 28.Rb8+ Qxb8 transposes to A.1.
D) 28. Other Qxh2# |
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| Dec-01-11 | | sevenseaman: I didn't know I'd have so much company for 27...Rh3. Looks like a fatal attraction. At the time I thought it was a gaffe...!! I still do. <Sularus> You got a good nose ... the scent ... you know. |
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| Dec-01-11 | | Swedish Logician: I got it, but that probably was because I knew the game from Keres' collection. The attack by Larsen in Mecking vs Larsen, 1971
is another fine example of a black attack with (white) B, Kn, Q and R. |
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| Dec-01-11 | | Patriot: 27...Nf3 seems to do the trick.
28.gxf3 Rd2 0-1
28.g3 Rd2 0-1
I don't see a defense. White could throw in a useless check with 28.Rb8+ Qxb8 or a useless interposition after 28.gxf3 Rd2 (29.f4 Qxf4). One idea was 29.Rb8+ Qxb8 30.e5 Qxe5 31.f4 but 31...Qd5+ settles things pretty quickly. |
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| Dec-01-11 | | jackpawn: Took me a minute, but found the solution fairly easily. |
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Dec-01-11
 | | FSR: Impressive how Keres' centralized knights made White's bishop pair look ridiculous. |
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| Dec-01-11 | | JG27Pyth: Total fail. A very unpuzzly puzzle too...-- a position and game I could probably benefit from studying. As many have pointed out White is helpless after Nf3 -- specifically, helpless to defend h2 from repeated attack (Rd2) -- I wish I'd been aware h2 was critical. Strong players have such a better sense of where the pressure points and fault lines in a position are. |
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| Dec-01-11 | | JimmyRockHound: I went for Rb3 with a view to a back rank mate and missing everything on the King's side. Just as well I stuck to my day job. |
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| Dec-01-11 | | kevin86: Funny,but I saw this one immediately... 27...♘f3 threatens mate and if gxf3,than ♖d2 and mate is fast and painless |
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| Dec-01-11 | | doubledrooks: 27...Nf3 brings home the point, as others have noted. |
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Dec-01-11
 | | Jimfromprovidence: Try the puzzle position after 27...Nf3 without black's a pawn on the board.
click for larger viewDoing that helped me understand better why 27...Nf3 works in the first place. |
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| Dec-01-11 | | BOSTER: What can I say?
I saw 27...Rh3 even before I saw Bishop on d7.
I did not notice an elephant. |
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| Dec-01-11 | | YouRang: Embarrassingly, I also "found" 27...Rh3 (threat Qxh2#). If 28.gxh3, then 28...Qxe4+ 29.Kg1 Qe3+ 30.Kf1 (30.Kg2 Qf3+ 31.Kg1 Nf2#) Qe2+ 31.Kg1 Nf3+ 32.Kh1 Qxh2#. Overlooked white's "other" reply: 28.Bxh3!  :-( |
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Dec-01-11
 | | chrisowen: Genus una sumus, the rolling pawn formation as employed by dexterous Capablanca this time nonchalant in Keres aint cuffs and boots it one for spar two d rook as you white GS in face small cooperation in chap h2 a bird fine seed cage I tinge nf3 with a sorrow mottos at oh vienna rook behold o thy mother a bone of him shall not be broken. |
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Dec-01-11
 | | gawain: 27...Rf3 was the first move that came to mind--but I wrongly thought it was refuted by 28 g3. Did not see that 28... Rd2 is still decisive with the unanswerable threat of Rxh2 mate. I've always loved the games of Keres. |
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| Dec-01-11 | | morfishine: <sevenseaman> Beautiful puzzle <Patriot> I only hit on the variation <28.g3> on the drive into to work, then finally realized it fails too |
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| Dec-01-11 | | SuperPatzer77: <<Patriot> I don't see a defense. White could throw in a useless check with 28.Rb8+ Qxb8 or a useless interposition after 28.gxf3 Rd2 (29.f4 Qxf4). One idea was 29.Rb8+ Qxb8 30.e5 Qxe5 31.f4 but 31...Qd5+ settles things pretty quickly.> White to move (See diagram below:)
click for larger view29. Rb8+ Qxb8, 30. e5 (or f4) Qb1+ (mates in next move) - See Chessttcamps' commentary. SuperPatzer77 |
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| Dec-01-11 | | Nullifidian: Unusually for an OTB chess game, there's only one set of moves that gives mate in 6, except for Black's penultimate move. 27. ♘f3 ♙gxf3 28. ♖d2 ♙f4 29. ♕xf4 ♖b8+ 30. ♕xb8
Now there are two different endings, depending on how Black moves: 30... ♙e5 31. ♕b1+ ♕d1 32. ♕xd1#
30... ♔g1 31. ♕xh2+ (♕b1+ mates as above) ♔f2 32. ♕f2# or ♕h1# |
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| Dec-01-11 | | Rosbach: Found Nf3 quick but had a hard time finding Rd2.
Also looked at White's move 23. as many others. Shortly considered 23. Rc1 but this could be countered by 23...Rxc1. 24. Qxc1 Qxg3! |
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| Dec-01-11 | | BOSTER: <ventricule> <Rh3 temptation, weird case of generalized blind spot>. From one side white bishop is not supposed to be here, but from other side this is test of our consentration.
It is difficult to see chess pieces, when girls are always around <alluring> us. |
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| Dec-01-11 | | Patriot: <SuperPatzer77> Good catch! That certainly makes it easier! I was distracted by the idea of mating on h2 and forgot about looking for other forcing candidates. |
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| Dec-01-11 | | Patriot: <morfishine> <<Patriot> I only hit on the variation <28.g3> on the drive into to work, then finally realized it fails too> I've done that before! Good job on solving it! |
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| Dec-01-11 | | stst: since WK is at corner, the focal points are g2 & h2, where h2 is under Bk Q's attack. Plan therefore is to have Bk R on 2nd rank eyeing for h2.
How to get to h2? The obvious move would be loosening g2P, by Nf3,which also happens to attack h2.
So W cannot let N stay there, PxN is natural, next for Bk is Rd2, and W's R and Q are too remote for rescue, while the Bk K has nowhere to go. |
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| Dec-01-11 | | sevenseaman: <BOSTER> Good barb; gave me a chuckle. |
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