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Later Kibitzing> |
| Feb-03-06 | | Timothy Glenn Forney: What an excellent ending he sacs the ♖ to skewer the ♕ with the ♗ you got to love that.38.♖xc4!!. |
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| Feb-03-06 | | Timothy Glenn Forney: Of course black walked into it with ♔h7?.With ♖ to c8 he didn't have much of a choice because of the following Skewer with the ♗ against the ♕. |
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| Feb-03-06 | | Timothy Glenn Forney: 26.♗xd6!? wow, and then 31.♗c7! brave tactics. |
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| May-01-06 | | JoeyCJK: Not much of a puzzle, it was quite obvious. |
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| May-01-06 | | olydream3: I spotted Rxc4 very quickly. The game was very intersting when Unzicker decided to trade off his queen for a rook and a minor. The game then was played at a very top standard - especially with the d pawn. White exploited black's weaknesses very well to obtain a superb win here |
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| May-01-06 | | syracrophy: After 38.Rxc4!!:
<A)> 38...Qxc4 39.Nxc4 bxc4 40.Bxc4+ (  ) <B)> 38...Kf8 (or 38...Kh8) 39.Rc8+ Kh7 40.Bg8+ Kh8 41.Bc4+ Kh7 42.Bxd3+ g6 43.Rc7 ( ) Black's completely lost
1-0 |
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| May-01-06 | | khense: A rare stumble by Keres. Rxc4 easy to overlook in an actual game. Maybe time pressure too! |
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| May-01-06 | | dzechiel: Took a few moments (mostly because there were so many tries in the position), but then 36 Rxc4! revealed itself. Black must have been low on time to make the next move, perhaps even ran out of time before having a chance to resign, who knows? |
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| May-01-06 | | Fezzik: In many ways, this is more difficult than Sunday's game because Black can force a (lost) endgame whereas Popov created a mating net. The early part of this game is well worth studying for the creative way in which both sides fought to create postional and material imbalances. It's a pretty safe bet that both players were low on time here. (The old time control was 40 moves in 150 minutes.) |
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| May-01-06 | | durnstein: Doesn't 33 ... Nx(B)a5, 34 Bxe6+ work out better for Black? |
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May-01-06
 | | al wazir: 33...Nxa5 34. Bxe6+ Kf8 36. d7 Nc6 37. d8=Q+ Nxd8 38. Rxd8+ Ke7 39. Rd7+. (The alternative 34...Kh7 runs a risk of checkmate by the combined action of ♖, ♗, and ♘.) |
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| May-01-06 | | erimiro1: Focusing on 38.R:c4!,is unfair to the brilliant positional play of Unzicker, who passed away a few days ago. His strategic decision to give his queen for a bishop rook and the centeral d pawn, was bold, since the 2 black knights looked scary. 38.R:c4! was just the final blow. |
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| May-01-06 | | percyblakeney: A bit tricky for a Monday, but after all there are no other moves than Rxc4. |
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| May-01-06 | | durnstein: <al wazir> I was certainly thinking the Kh7 line. :-) The forced loss of the Black queen after Kf8 isn't attractive. 33 .......... Nxa5
34 Bxe6+..Kh7
35 d7 ...... Nc6
and I don't see anything very forceful for White. Bf5+ is easily refuted with g6. d8=Q, NxQ, RxN gets White into trouble to hold onto both the rook and bishop against the Black queen. Got a more convincing line for White? |
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| May-01-06 | | EmperorAtahualpa: *&^%$#$%^&*#$!!!! Can't believe I actually missed a Monday puzzle. :( I thought 38.Nxc4 would do the job. |
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May-01-06
 | | perfidious: While I'd long known that every game in the match between these players in 1956 was a Spanish opening, I was surprised to find that all the other games they ever played were too! |
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| May-01-06 | | virtuex: Why did white give the Queen on 26th move? |
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| May-01-06 | | pwrstick: That was a good monday puzzle. Set up the queen fork with a not necessarily obvious rook sac to the untrained eye. |
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| May-01-06 | | pwrstick: Looking at it again, 31...Nc4 looked pretty awful! That knight was pinned all the way up to the puzzle. |
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| May-01-06 | | jperr75108: Yeah a good puzzle. All the pieces are defended well enough so black cannot get his material back. |
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| May-01-06 | | patzer2: For today's "easy Monday" puzzle solution, Unzicker traps Kere's Queen with 38. Rxc4!, using the threats of discovered attack (e.g. 38...Qc5 39. Rc8+!), discovered check (e.g. 38...Qe2 39. Re3+!), double discovered check and mate (e.g. 38...Qh7 Rc8#), overwhelming win of material (e.g. 38. Kh8 39. Rc8+ Nf8 40. Rxf8+ Kh7 41. Bb4 ) or the pin as in the game continuation. |
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| May-01-06 | | cheski: Bank Holidays are deceptive: I think of them as Sunday, get very cheered up when I can do the puzzle, then realize it is Monday. |
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| May-01-06 | | Fezzik: Wow, I didn't know that Unzicker had passed away! Thanks to chessgames and erimiro1 for pointing this out. Ok, it would be great if there's a whole week of positions in tribute to GM Wolfgang Unzicker! |
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| May-01-06 | | patzer2: For those who found this puzzle "too easy" take a look at the position after 25. Bxf7 (diagram below).
click for larger viewKere's can equalize easy enough with the simple 25...Qxf7, but decides to play for more with 25...Rc8 (probably expecting 26. Qd2 Qxf7 = when Black with the Rook's control of the open file is equal or slightly better). Instead, Unzicker gave Kere's more than he bargained for with 26. Bxd6! (diagram below), 
click for larger viewsacraficing the Queen for a pawn, Bishop and Rook. Considering only the material count, if a Queen is worth nine points and a Rook, Bishop and Pawn are worth nine (5, 3 and 1), the position is about even after 26...Rxc2 27. Bxc2 (diagram below). 
click for larger viewHowever, with White having a passed pawn, superior piece development and control of space, IMO White stands clearly better after the Queen sacrifice. Yet Fritz 8 assesses it as only a slight advantage for White after 27...f6  (+0.34 @ 16 depth), which IMO is a bit low. P.S. <Virtuex> Hope that's some help on your Question <why did White give the Queen on the 26th move?> |
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| May-01-06 | | virtuex: Thank you, patzer2. |
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Kibitzing
sac: 26.Bxd6