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< Earlier Kibitzing · PAGE 4 OF 4 ·
Later Kibitzing> |
| Aug-02-20 | | yadasampati: I saw 21. Rxf7 in a flash. Intuition is the hidden treasure below the surface of our intelligence. Computers do not have it. |
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| Aug-02-20 | | SugarDom: The puzzle is only categorized as "insane" due to the long variation, but the first move rxf7 is pretty easy to guess. |
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| Aug-02-20 | | Walter Glattke: 21.Rxf7 Kxf7 (21.-hxg4 22.Qxe7+ Qxe7 23.R1xe7#) 22.Qe6+ (Bxh5? R8 or R5xBh5) Ke8 23.Qg6+ (Ne7 pinned) Kf8 24.Rf1+ Nf5 25.Rxf5+ Rxf5 white must always get checks, or counter attack 26.Bd6+ Qxd6 27.Qxd6+Kf7 and 28.Bxf5 winning (Q for R) What does they play b4 for? I don't know. |
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Aug-02-20
 | | agb2002: White has the bishop pair for a bishop, a knight and a pawn. Black threatens hxg4.
The uncastled king suggests 21.Rxf7:
A) 21... Kxf7 22.Qe6+
A.1) 22... Ke8 23.Qg6+ Kf8 24.Rf1+
A.1.a) 24... Kg8 25.Be6#.
A.1.b) 24... Nf5 25.Rxf5+ Rxf5 (25... Ke7 26.Qf7#; 25... Kg8 26.Rxd5 with the triple threat Be6+, Rxc5 and Rd8+) 26.Bd6+ (26.Bxf5 Rh6) 26... Kg8 (26... Qxd6 27.Qxd6+ and 28.Bxf5) 27.Bxf5 Rh6 (27... Qf2 28.Be6+ Qf7 29.Bxf7#) 28.Be6+ Kh8 29.Qe8+ wins. A.1.c) 24... Rf5 25.Bxf5 Qc4 26.Bd3+ wins.
A.2) 22... Kf8 23.Rf1+
A.2.a) 23... Ke8 24.Qf7#.
A.2.b) 23... Nf5 24.Bxf5 wins decisive material (24... Rh6 25.Bg6+ wins). A.2.c) 23... Rf5 24.Bxf5 as above.
B) 21... Re5 22.Bxe5 Kxf7 23.Be6+
B.1) 23... Ke8 24.Qe3 Bc8 25.Bxc8 Nxc8 26.Bd6+ wins. B.2) 23... Kf8 24.Qf7+ Ke8 25.Qf7+ Kd8 26.Rd1+ wins (26... Nd5 27.Qd7#). |
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| Aug-02-20 | | murkia: <An Englishman>Good morning! 21. b4 works almost as well. |
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Aug-02-20
| | agb2002: I forgot the knight in my line A.1.c. |
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| Aug-02-20 | | Eduardo Leon: I missed 23.b4, without which the whole combination fails. |
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| Aug-02-20 | | BxChess: Well I got the first move in today's puzzle, and I got the first move yesterday. Hence I was correct twice in two days, which is slightly worse than a stopped clock, but not too bad considering |
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| Aug-02-20 | | morfishine: I got <21.Rxf7> followed by <22.Qe6+> but the subtle and brilliant <23.b4>, I did not get |
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| Aug-02-20 | | Brenin: It was easy to see 21 Rxf7, though not the quiet 23 b4, deflecting the Black Q from the defence of f5, so that 27 Qxf5+ is fatal for Black. This R sacrifice was possible earlier, namely 17 Rxf7, e.g. 17 ... Kxf7 18 Ng5+ Ke8 (otherwise Qe6+ with mate) 19 Ne6 and 20 Nxg7+, or 17 ... Be5 18 Rxe7+ Qxe7 19 Bg5, followed by 20 Bxd8 and 21 Rd1. |
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| Aug-02-20 | | sophiephilo: amazingly enough, got this.
It helps not to see the difficulty rating of puzzle, I find. |
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| Aug-02-20 | | goodevans: <Eduardo Leon: I missed 23.b4, without which the whole combination fails.> You should check your own post from 11 years ago! |
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| Aug-02-20 | | RandomVisitor: After 12.f5 black is ok:
click for larger view Stockfish_20073110_x64_modern:
<54/94 40:11 -0.33 12...0-0 13.Bh5 Rad8> 14.Qe1 exf5 15.exf5 Nd5 16.Ne4 Be7 17.f6 Nxf6 18.Nxf6+ Bxf6 19.Rxf6 gxf6 20.Qh4 Qe5 21.Bf4 Qf5 22.Bh6 Kh8 23.Bxf8 Rxf8 24.Bf3 Qg5 25.Qxg5 fxg5 26.Re1 Bc8 27.Bxc6 Rd8 28.Kg1 Kg7 29.a4 bxa4 30.Bxa4 Rd2 31.Bb3 Bf5 |
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| Aug-02-20 | | RandomVisitor: <Brenin> mentions that the rook sac can happen as early as move 17:
click for larger view Stockfish_20073110_x64_modern:
<46/74 07:28 +8.79 17.Rxf7 Be5 18.Rxe7+> Qxe7 19.Bg5 Qc7 20.Rf1 Rf8 21.Bh5+ g6 22.Nf6+ Rxf6 23.Bxf6 Rd2 24.Qxd2 Bxf6 25.Rxf6 Qe7 26.Qe2 Qxe2 27.Bxe2 Ke7 28.Rf1 Bc8 29.Kg1 Bf5 30.Bf3 b4 31.Kf2 c5 32.b3 c4 33.Ke3 Bxc2 34.bxc4 a5 35.Kd4 Bf5 36.Kc5 Bd3 |
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| Aug-02-20 | | NBZ: Looking through the game, 12. f5! is a really nice pawn sacrifice from White, and showed excellent judgement. Declining does not help (12. f5 e5 13. f6! followed by Bh6), so Black has to take the pawn. White had to foresee though that the resulting initiative was worth well over a pawn. In hindsight it seems clear but looking at the position before 12. f5, it is not easy to make the call. |
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| Aug-02-20 | | mel gibson: I saw the move -
it looked good but I wasn't sure.
Stockfish 11 says mate in 18:
21. Rxf7
(21. Rxf7 (♖f1xf7 ♖d5-e5 ♗c7xe5 ♔e8xf7 ♗g4-e6+ ♔f7-e8
♕e2-d2 ♘e7-d5 ♗e5xg7 ♖h8-f8 ♗e6-g4+ ♕c5-e7 ♖e1xe7+ ♔e8xe7 ♕d2-g5+ ♖f8-f6
♗g7xf6+ ♘d5xf6 ♕g5-e5+ ♔e7-f7 ♗g4-e6+ ♔f7-e7 ♗e6-f5+ ♔e7-f7 ♕e5-e6+ ♔f7-f8
♗f5-g6 ♔f8-g7 ♕e6-f7+ ♔g7-h6 ♕f7xf6 h5-h4 ♗g6-f5+ ♔h6-h5 ♕f6-g6+) +M18/63
166) |
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Aug-02-20
 | | Predrag3141: < An Englishman: 23...b4--wow, what a move.> I missed this too. The stars align so White can and must play b4 or Rf1 based on 22 ... <Ke8> or 22 ... <Kf8>. 22 ... <Kf8> 23 b4? (not Rf1!) Rh6 keeps the game somewhat in doubt. The king being on f8 prevents Qg8#. 22 ... <Ke8> 23 b4! Rh6? 24 Qg8# (since the king is not on f8) 22 ... <Ke8> 23 Qg6? Kf8 24 Rf1 (too late for b4!) Rf5 and White's control of f5 means nothing; Black's attack on the queen wins. |
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| Aug-02-20 | | goodevans: <Predrag3141: [...] The stars align so White can and must play b4...> As per the kibitzing of 11 years ago, against 22...Ke8 white can also win with <23.Bf5>. |
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| Aug-02-20 | | King.Arthur.Brazil: I don't know if I really failed to see the best move, since I begin the combination with 21. b4! ♕xb4 22. ♖xf7 ♔xf7 23. ♕e6+ ♔e8 24. ♕g6+ ♔f8 25. ♖f1+ ♖f5 26. ♖xf5+ ♘xf5 27. ♕xf5+ ♔g8 28. ♕e6+... therefore, I saw the decisive move, before the ♖ sacrifice, which makes the Black be more decided to take the ♙ poisoned and crushed by the ♖ sacirfice in the sequence. |
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| Aug-02-20 | | goodevans: <King.Arthur.Brazil> That move order gives black the option to trade his Q for both white Rs (21.b4 Qxb4 22.Rxf7 Qxe1+ 23.Qxe1 Kxf7). That said, this is still looking pretty good for white but maybe not quite as good as the game. By the way, you have an interesting moniker. I thought at first it might be a reference to the great <Terry Gilliam> who has both an interest in Arthurian legend <The Fisher King> and made the fantastic dystopian nightmare <Brazil>. But I see from your profile that there's a more obvious connection with the last part of your name. |
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| Aug-02-20 | | Pedro Fernandez: At the high hours of the night, I did an elementary analysis of this Insane Puzzle, the favorite ones of my friend <chrisowen>. Please, my dear guys, look at this: 21.Be6
click for larger view21...fxe6 22. Qxe6 Rf8 23. Rxf8+ Kxf8 24. Bb6 Qd6 25. Rf1+ Nf5 26. Rxf5+ Rxf5 27. Qxd6+ Kg8 28. Qe6+ Rf7 29. Bc5 g6 30. Qxg6+ Kh8 31. Bd4+ Rg7 32. Qxg7# 
click for larger viewI have a second version but it is too late. I go to sleep. |
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| Aug-03-20 | | RandomVisitor: After 12...0-0 black has surprising defensive potential to hold off any improvised white attack
click for larger viewLc0_0.26.1_384x30-t60-4585.pb:
28/69 23:42:22 131,279k 2k -0.06 13.Bh5 Rad8 14.Qe1 exf5 15.exf5 Nd5 16.Qh4 Nf6 17.Bf4 Qc8 18.Bf3 Bd4 19.Ne2 Qxf5 20.c3 Be5 21.Bxe5 Qxe5 22.Nd4 Qc5 23.h3 h6 24.a4 bxa4 25.Rxa4 Nd5 26.Re1 Rde8 27.Rxe8 Rxe8 28.Nf5 Ne3 29.Nxe3 Qxe3 30.Kh2 Qe7 31.Qxe7 Rxe7 32.Rb4 Rc7 28/69 23:42:22 131,279k 2k -0.09 13.Bg4 exf5 14.exf5 Rad8 15.Qf3 Nd5 16.Nxd5 cxd5 17.Bf4 Bd6 18.Bxd6 Qxd6 19.Qg3 Qxg3 20.hxg3 d4 21.Rad1 Rfe8 22.Rd2 Be4 23.Kh2 Kf8 24.Be2 g5 25.fxg6 hxg6 26.Bf3 Kg7 27.g4 d3 28.cxd3 Rxd3 29.Rxd3 Bxd3 30.Rd1 Bc4 31.b3 Be6 32.Rd6 Bc8 28/69 23:42:22 131,279k 2k -0.18 13.f6 gxf6 14.Ne2 Bd6 15.Ng3 Be5 16.Nh5 Kh8 17.Bg4 Rad8 18.Qe1 Ng8 19.Qh4 c5 20.Bf3 f5 21.exf5 Bxf3 22.gxf3 exf5 23.c3 Rfe8 24.Bg5 Rd6 25.Rae1 Rg6 26.Bf4 f6 27.Qh3 Qd7 28.Rd1 Qe6 29.Rfe1 Qc8 30.Rg1 |
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| Aug-03-20 | | RandomVisitor: <Pedro>Nice, but 25...Nf5 in your line is not best, 25...Ke8 is winning for black... |
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Aug-03-20
 | | Oginschile: A gorgeous sequence of moves... and amazing vision to play the subtleties necessary for the combination to work. |
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| Aug-05-20 | | Eduardo Leon: <goodevans: You should check your own post from 11 years ago!> Oh, well. I am a much weaker player than 11 years ago, sadly. |
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< Earlier Kibitzing · PAGE 4 OF 4 ·
Later Kibitzing> |
Kibitzing
sac: 21.Rxf7