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Later Kibitzing> |
| Oct-28-07 | | stukkenjager: I prefer 21.Rd6! <a killer move>
It's even stronger then 21.Bh6:
21.Rd6,Be6 22.Bh6:,f5 23.Qg3,Rf7 24.Bd3 game over |
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| Oct-28-07 | | greensfield: <stukkenjager: I prefer 21.Rd6! <a killer move> It's even stronger then 21.Bh6: 21.Rd6,Be6 22.Bh6:,f5 23.Qg3,Rf7 24.Bd3 game over>
Maybe there is some merit in 21.RD6 after all.
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| Oct-28-07 | | get Reti: The past few days I have gotten the move right away, but barely any of the continuation. |
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| Oct-28-07 | | TrueBlue: I think I got it :)
Two possible lines:
line 1: Black takes the bishop:
21. Bxh6 gxh6 22. Qg3+ Kh8 23. Qh4 Kg7 24. a3 Qa4 25. b3 Qxa3 26. Qf6+
Kg8 27. Qxh6 f5 28. exf6
line 2: Black declines the sacrifice:
21. Bxh6 Re8 22. Qg3 Qf8 23. Bg5 f5
White is a pawn up and in better position
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| Oct-28-07 | | znprdx: Well the obvious Bxh6 doesn't seem all that forcing - although perhaps playable in Blitz. In Rapids I'd try Rd6. In regular play this type of position is not uncommon, but usually drawish. I give up. Good grief this attack depends on a3 and the reply Qd4 - was there really nothing better? There is little real imagination nor brilliance - as for insane, hardly |
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| Oct-28-07 | | RandomVisitor: After 20...Qb4
click for larger view
(21-ply)
<1. (3.08): 21.Rd6> Be6 22.Bxh6 f5 23.Rxe6 fxe4 24.Qg3 Rf7 25.Rg6 Qf8 26.e6 Re7 27.Bg5 Bd4 28.Qd6 Qe8 2. (2.77): 21.Bxh6 <Qe7> 22.Qh5 gxh6 23.Qxh6 f5 24.Bc2 Be6 25.Rd6 Rae8 26.Bb3 Qh7 27.Bxe6+ Kh8 28.Qg5 Bc5 29.Rd7 Re7 30.Rfd1 3. (1.39): 21.Bb1 Qe7 22.Qg3 f5 23.Rd6 Kh7 24.Bxh6 Bb8 25.Bg5 Qf7 26.Rd4 Kg8 27.Rfd1 Be6 28.Rh4 Bc7 29.Bc2 4. (1.21): 21.Bc2 Re8 22.Qg3 Bc5 23.Bxh6 Bf8 24.Qd3 g6 25.Bxf8 Qxf8 26.Qg3 Be6 27.Rd6 Qg7 28.f4 Rad8 29.Rfd1 |
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| Oct-28-07 | | alphee: got the first 3 moves after some thinking but totaly missed the following. |
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| Oct-28-07 | | patzer2: White's demolition of pawn structure with
21. Bxh6!! is the solution to today's insanely difficult Sunday puzzle.<Random Visitor>, what does Rybka show happening after 21...Qe7!? |
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| Oct-28-07 | | alphee: just for the fun, an analysis of the postion by an old version of Fritz (v8) after 60' thinking. 1. ± (1.34): 1.♕g3 f5 2.exf6 ♖xf6 3.a3 ♕f8 4.♗e5 ♗e6 5.♗xf6 ♕xf6 6.♖e2 2. ± (0.94): 1.♗xh6 f5 2.♕g3 ♗xf2+ 3.♔xf2 ♕b6+ 4.♔e2 ♕xb2+ 5.♔e3 ♕b6+ 6.♔d2 ♕b2+ 7.♔d1 ♖d8+ |
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Oct-28-07
 | | Jimfromprovidence: Here’s another variation of white’s winning attack, for what it’s worth. 21 Bxh6 gxh6 22 Qg3+ Kh8 23 Qh4 Kg7 24 a3 Qa5 25 Qf6+ Kg8 26 Qxh6 f5 27 Qg5+ Kf7 28 Bf3 Rh8 29 Qf6+ Kg8 30 Rd6… 
click for larger viewI suspect mate shortly follows. (I can’t believe black’s queenside rook never moves a square in this match. ) This has been another good week of puzzles. The concept of rook lift was particularly useful to me. I was reminded how quickly and lethally damage occurs when the queen and rook are located (or even threatened to be located) on adjacent ranks on the opponent’s kingside. |
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| Oct-28-07 | | stukkenjager: <21. Rd6!!> Be6 22. Bxh6 f5 23. Qg3 Rf7 24. Bd3 Bd5 (24..Bxa2 25. Bxf5 Bxf2+ 26. Rxf2 Qe1+ 27. Kh2 Re8 28. Bh7+) 25. Bxf5 Bxf2+ 26. Qxf2
Raf8 27. Qg3 Qxb2 28. Rf2 <crushing> |
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| Oct-28-07 | | RandomVisitor: <After 21.Bxh6 Qe7:>
click for larger view
(20-ply)
1. (2.74): 22.Qh5 gxh6 23.Qxh6 f5 24.Bc2 Be6 25.Rd6 Rae8 26.Bb3 Qh7 27.Bxe6+ Kh8 28.Qg5 Bc5 29.Rd7 Re7 30.Rfd1 f4 31.Qg4 b5 32.Rd8 2. (2.63): 22.Qg3 f5 23.Bc2 Be6 24.Rd6 Rf7 25.Bg5 Qe8 26.Rfd1 Bb6 27.Bb3 f4 28.Bxf4 Bxb3 29.Qxb3 Bc5 30.Rd7 3. (1.18): 22.Bf4 Qh4 23.Bg3 Qg5 24.Rd6 Bc5 25.Bf4 Qh4 26.Rd2 Be6 27.Rfd1 Bb6 28.Bg3 Qg5 29.b3 f5 30.Bxc6 f4 <After 20...Qb4:>
click for larger view
(22-ply)
1. (3.16): 21.Rd6 Be6 22.Bxh6 f5 23.Rxe6 fxe4 24.Qg3 Rf7 25.Rg6 Qf8 26.e6 Re7 27.Bg5 Bd4 28.Qd6 Qe8 2. (3.05): 21.Bxh6 Qe7 22.Qh5 gxh6 23.Qxh6 f5 24.Bc2 Be6 25.Rd6 Qg7 26.Qxe6+ Kh8 27.Qc4 Qg5 28.Rd7 Rg8 29.g4 Rg7 30.Rxg7 Qxg7 31.Qf4 Rd8 3. (1.39): 21.Bb1 Qe7 22.Qg3 f5 23.Rd6 Kh7 24.Bxh6 Bb8 25.Bg5 Qf7 26.Rd4 Kg8 27.Re1 Bc7 28.Bd3 Be6 4. (1.19): 21.Bc2 Re8 22.Qg3 Bc5 23.Bxh6 Bf8 24.Qd3 g6 25.Bxf8 Qxf8 26.Qg3 Be6 27.Rd6 Qg7 28.f4 Rad8 29.Rfd1 Bd5 30.Rxd8 Rxd8 |
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| Oct-28-07 | | ConstantImprovement: 21. Bh6: (threat 22. Qg3 g6 23. Bg6:)
I. Accepting the sacrifice
21. ... h6: 22. Qg3+ Kh8 (Bg4 23. Qg4:+ with no difference) 23. Qf4! Kg7 (Kg8 24. Bh7 Kh7: 25. Qb4:) 24. Qf6+ Kg8 25. Rd3 Qe4: (I do not think that something like 25. ... Bf2:+ 26. Rf2: Qe1+ 27. Rf1 is a life-saver) 26. Rg3+ Qg6 27. Rg6:+ g6: 28. Qg6:+ Kh8 29. Kh6:+ Kg8 30. Qg6+ Kh8 31. Rd1 or e6, winning Can Black do better? What about 23. ... f5? 23. ... f5 24. f6: Rf6: (24. ... Kg8 25. Bh7+ again) 25. Qf6: Qe4: 26. Rd8+ Kh7 27. Rh8#. II. Declining the sacrifice
1. 21. ... Kh8 22. Bg7:+! Kg7: (22. ... Kg8 23. Qh5 and mate next move) 23. Qf6+ Kg8 24. Rd3, transposing (the h6-pawn does not matter) 2. 21. ... f5 22. f6: Rf6: (What else?) 23. Rd8+ Kf7 (23. ... Rf8 24. Rf8:+ Qf8: 25. Bh7+ Kh7: 26. Qf8:) 24. Qh5+ Ke6 (Rg6 25. Qg6:+) 25. Qe8+ Qe7 26. Rd6# |
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| Oct-28-07 | | ConstantImprovement: Nice solution, I erred in my Accepted main line with 24. Qf6+, 24. Rd3 is better, since after 24. Qf6+ Kg8 25. Rd3 follows Bg4! 26. Rg3 (g4: Qe4:) h5! 27. g4: h4! 28. Rf3 Qe4:, winning for Black. I think to truely solve this puzzle (And pleeease, no more "Who do you think you are?"-crap. This is part of the analysis and I don't care about your hurt feelings, big boy.) you had to get the key moves <24. Rd3>, <27. Qh4+> (27. Qf6+ Kd7 28. Bf5+ Kc7 and Black escapes) and <28. a3!> (The black queen has to remain on the fourth rank, pinning the bishop. For instance, 28. ... Qc5 is followed by 29. Bh7 with 30. Rg8# next.). |
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| Oct-28-07 | | Marmot PFL: 21.Bxh6 is the first move one looks at in such positions, with one possibility being gh6 22.Qg3+ Kh8 23. Qh4 Kg7 24.Qf6+ Kg8 25.Rd3 (maybe Bb1 is better) Qxe4 26.Rg3+ Bg4 27.Rxg4+ Qxg4 29.hg4 etc. The game line is stronger, but also more complicated. The fact that white evidently has several winning lines detracts somewhat from its puzzle value IMHO. The sacrifice is a little too obvious compared to some of the earlier puzzles this week. |
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| Oct-28-07 | | stukkenjager: 21.Rd6 too obvious, I don't think so.
But I seem to be alone here (some merit?) it's winning outright !! |
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| Oct-28-07 | | MostlyAverageJoe: <ConstantImprovement: I think to truely solve this puzzle (And pleeease, no more "Who do you think you are?"-crap. This is part of the analysis and I don't care about your hurt feelings, big boy.) you had to get the key moves <24. Rd3>, <27. Qh4+> and <28. a3!>> Moves <27. Qh4+> and <28. a3!> are not key moves by any stretch of imagination, as they belong to a line that requires 3 inaccuracies: * starts with inferior move by the black (see RV's lines wit 25...Qe7) * continues with an inferior variant of white's play 25.Rg3 (25.Qf6+ is much better). |
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| Oct-28-07 | | MostlyAverageJoe: Argh. The third inaccuracy got eaten by the javascript somehow. * 21.Bxh6 appears to be inferior to Rd6 anyway. |
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| Oct-28-07 | | whiteshark: The position:
Three white pieces ♕f3,♗e4,♗f4 are looking for the black king. Additionally whites ♙e5 is an anchor for pieces to go to d6 or f6 ♔g8 is only protected by his three pawns placed in front., whereby ♙h6 tends to be a taeget or weakness. ♕b4, ♖f8 and ♗c8 are only marginally defending. The move: <21.Rd6!!> activates a 4th officer. Now 22. Bxh6 is a really dangerous threat. <21...Be6> doesn't prevent it! <22. Bxh6!!> Anyway.
If now 22...gxh6, then 23.Qg3+ Kh8 24. Qh4 Kg7 25.Qf6+ Kg8 26.Rd3 Tfd8 27. Qxh6 
If 22... Bd4 then 23. Rxh6.
Very complicated, but I think that's the solution... |
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Oct-28-07
| | Jimfromprovidence: I’m not interested in one-upsmanship or bragging rights. I come to this site to help me re-learn the game after a 30+ year hiatus. I don’t really care if I don’t get the puzzles immediately. I first want to understand the lines of play used in the puzzle. Secondly, I try to determine if the lines played were the best for both sides. If I can meet these two self-imposed criteria, and by this process hopefully increase my understanding of the game, then I’m satisfied. Anyway, just to play around, I followed the second variation of <Randomvisitor’s> line after 21.Bxh6 Qe7:> <2. (2.63): 22.Qg3 f5 23.Bc2 Be6 24.Rd6 Rf7 25.Bg5 Qe8 26.Rfd1 Bb6 27.Bb3 f4 28.Bxf4 Bxb3 29.Qxb3 Bc5 30.Rd7> ... attempting to forcibly simplify the position.
Here’s what I came up with.
30… Kf8 31 Rxf7+ Qxf7 32 Qxf7+ Kxf7 33 Rd7+ Ke6 34 Rxb7 Ra7 35 Rxa7 Bxa7 36 b3 Bd4 37 Kf1 Bxe5 38 Bxe5 Kxe5 
click for larger viewNow that's a simple enough endgame!
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| Oct-29-07 | | kevin86: Who could have thought at the beginning of this peoblem that the queen would be eventually pinned on the d-file? There seems to be a lot of king hunts lately,must be king-hunting season. It that the same time as :duck season,wabbit season,or even Elmer season? |
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| Oct-29-07 | | stukkenjager: Thanks <whiteshark+greensfield 21.Rd6>
must be the solution. The additional threat of Rh6: proves too much for black, he is defenceless. |
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| Oct-29-07 | | patzer2: Random Visitor, Thanks |
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| Oct-29-07 | | stukkenjager: Random Visitor, what about this line 21.♖d6,♗e6 22.♗h6:,f5 23.♕g3,♖f7 24.♗d3 doesn't that look very convincing?? or am I missing something here. |
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| Dec-11-12 | | jvasea1990: Houdini 2.0c w32 +3.78 (depth 19) 21.Bxh6 Qe7 22.Qh5 gxh6 23.Qxh6 f5 24.Bc2 Be6 25.Rd6 Rae8 26.Bb3 Qh7 27.Bxe6+ Kh8 28.Qg5 Bc5 29.Rd7 Be7 30.Qg3 Qh6 31.Bb3 f4 32.Qf3 Qg5 33.Re1 Rb8 34.Qd3 Rbd8 |
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Kibitzing
sac: 21.Bxh6