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| Feb-10-17 | | mel gibson: The computer agrees with the first move:
23. Nf5 (23. Nf5 (♘g3-f5 g6xf5 ♗d3xf5 f7-f6
♗f5xe6+ ♖f8-f7 ♗e6xc8 ♗b7-e4 ♖d1-d7 ♕e7-f8 ♕h6xf8+ ♔g8xf8 ♖d7xf7+ ♔f8xf7
♖e1xe4 ♘e8-c7 ♖e4-h4 ♔f7-g6 ♖h4-g4+ ♔g6-f7 ♗c8-f5 ♘c7xb5 ♖g4-h4 h7-h5
♖h4xh5 ♔f7-e7 a3-a4 ♘a5-c4 ♖h5-h7+ ♔e7-d6 ♗b2xf6) +10.27/18 77) score +10.27 depth 19 |
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Feb-10-17
 | | offramp: I think I first saw this in Chernev's The Chess Companion. I think he gave the moves to mate, which is reasonable. I thought the game was brilliant when I first saw it and I have never changed that opinion! |
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| Feb-10-17 | | FrogC: Not very sporting of Black to resign without giving Spielmann the chance to play his queen sac. |
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| Feb-10-17 | | beenthere240: I think everyone can see the impending queen sac and mate. Otherwise White has just dropped a knight. By resigning after 25. Ne7+, black preserved the elegance of Spielmann's idea. |
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| Feb-10-17 | | gofer: OMG! Black has a really miserable position. Na5 is just sitting
there "on rim, being dim". On the other side of the equation,
white has everything pointing in the right direction. Time to
apply pressure on Qe7, with a knight that is ready to die or
trample black under its hooves...
<23 Nf5 ...>
Moving the queen loses...
Qc5 leads to a beautiful mate...
23 ... Qc5
24 Re5!!! Qc7/Bd5 (Qxe5 25 Ne7+! Kh8 26 Qxf8#)
25 Ne7+ Qxe7 (Kh8 26 Qxf8#)
26 Qxh7+! Kxh7
27 Rh5+ Kg8
28 Rh8#
23 ... Qd8
24 Ng7 f6
25 Bxg6! hxg6 (forced)
26 Rxd8 
23 ... Qd7 (Qc7 is even worse)
24 Bf6!!! ...
click for larger viewWhite threatens 25 Ne7+ Kh8 26 Qxf8# and only the queen can stop it! 24 ... Nxf6 25 Qg7#
24 ... exf5 25 Rxe8+ mating
24 ... gxf5 25 Qg5+ Ng7 26 Qxg7#
24 ... Rc7 (hoping for Ne7+!!!)
25 Re3 preparing Qxh7+ mating and black can resign. The knight is immune, but as everything else loses immediately black doesn't have much choice!!! 23 ... exf5
24 Rxe7
<23 ... gxf5>
<24 Bxf5 f6> (exf5 25 Rxe7 or Nf6 Bxf6 mating) <25 Bxe6+ Kh8> <26 Bxc8>
click for larger view~~~
Yep. |
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| Feb-10-17 | | catlover: Got this one. Then I saw my post from 2013 and realized I'd seen this game before. No wonder I got it. |
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| Feb-10-17 | | saturn2: With a kingside pawn structure h7,g6,f7,e6 black must not give away it's black bishop. |
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| Feb-10-17 | | YouRang: Friday 23.?
click for larger view
White has an impressive attack underway. The Q sitting on the black king's door, two bishops hitting the king position, two rook controlling the central open files, and a knight ready to hit the kingside. Black's defense is mainly held togther by the "rim knight" on e8. The strength of white's attack makes the position almost resignable for black, except that the exact winning technique isn't obvious. There are almost too many possibilities. I spent a bunch of time trying 23.Nh5 (immune: 23...gxh5? 24.Qxh7#), threatening 24.Ng7 (attack N with N) f6 (guard g7 with Q) 25.Nxf6 . However, black annoyingly has 23...Rc5!, and my 24.Ng7 is met by 24...Qg5!, and I've got nothing. Finally, I noticed <23.Nf5!>
click for larger view
The N is still immune thanks to the pinned Pe6, thus 23...gxh5? 24.Bxf5! (threat Qxh7#) f6 (guard h7 w/ Q but weakens Pe6) 25.Bxe6+ . This works much better due to the N attack on black's Q as well as on g7. Black doesn't have time to play Rc5, and the position will crumble. For example, <23...Qc5 24.Ng7 Qe7> (Q is only piece that can guard g7) <25.Nxe8> (replacing defender of g7 with attacker of g7!) <25...f6> (Q guards g7, weakens Pe6) <26.Rxe6!> (immune 26...Qxe6? 27.Qg7#)
click for larger view
And now black can resign in peace, because it is obvious. |
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| Feb-10-17 | | ChessHigherCat: I thought this was much easier than Thursday's, maybe because I did this one in the morning. I saw Nh5 right away but rightly surmised that it would be too easy for a Friday, so I tried the only remaining likely candidate Nf5 and it's all basically forced 23. Nf5, gxf5, 24. Bxf5, Nf3, 25 Bxf3 and curtains. These puzzles are helping me to visualize sequences of moves much better than I could before but on the downside you get into a sort of "puzzler" mentality that might make you overconfident in a real game (by making you expect any sacrifice to work) or too hesitant (by imagining non-existent refutations that make you lose on time) |
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| Feb-10-17 | | ChessHigherCat: 18. White to play and win would be a good Wed. puzzle |
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| Feb-10-17 | | LIzzard: Elegant solution - little easy for a Friday, but that meant I could keep up! |
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Feb-10-17
 | | Jimfromprovidence: I had 24 Bd4, seeing 24...exf5 25 Rxe8!, below. (not 25 Bxc5 right away).
click for larger viewThe threats are 26 Qg7# or if 25... Qxd4, 26 Qxf8# Black still loses the queen. |
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| Feb-10-17 | | kb2ct: <al Wazir:>
My thought process was identical until I realized that ChessGames had made the mistake of having virtually the same puzzle twice in the same month. :0) |
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| Feb-10-17 | | devere: A very nice line is 23.Nf5! Qc5 24.Re5 exf5 25.Rxe8! f6 26.Bc4+! Nxc4 27.Rd7 and checkmate in 2 follows
click for larger view |
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| Feb-10-17 | | RandomVisitor: As <patzer2> points out, black was good up until 16.Ne3, where the Nf6 was needed on the kingside to guard critical squares. 
click for larger viewKomodo-10.1-64bit:
0.00/39 16...Qc7 17.Ng4 Nxg4 18.Qxg4 g6 19.Rfe1 f5 20.Nxf5 exf5 21.Rxe7 Qxe7 22.Bc4+ Nxc4 23.Qxc4+ Qf7 24.Qd4 Qe7 25.Qc4+ |
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| Feb-10-17 | | jith1207: <Damn! I already suggested 24. Re3, seven years ago> What is more incredible is that you have not changed your profile picture for 7 years!!! |
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| Feb-10-17 | | ChessHigherCat: At first I thought 25...Qxd7 26. Rh5 worked but then I saw that black could survive with f5. The moral being to always choose the most forcing move, in this case 26. Qxh7+ |
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| Feb-10-17 | | ChessHigherCat: Correction Qxe7 |
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| Feb-10-17 | | Cheapo by the Dozen: What I missed is that Black can't really keep his queen on the 2nd rank to defend g7 and h7 (after pushing the f-pawn), because every possible square is subject to attack. |
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| May-07-17 | | The Kings Domain: The art of the sacrifice. The romantic era of the game may have been passé by that time, but Spielmann made sure it went out with a bang. |
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Jul-07-17
 | | plang: Very pretty.
12..Qc7 is too slow and 16..Nd5 must be wrong. |
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| May-29-18 | | Toribio3: Rudolf the red nose killer! |
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Aug-07-18
 | | PawnSac: < plang: Very pretty. > yes, starting with 17.Qh5 its pure art!
< 12..Qc7 is too slow > ..Bb7 is a tad better, but after Re1 black still
ends up with ..Qc7
< and 16..Nd5 must be wrong. > agreed! ..Rc8 continuing to develop was indicated. With the
N on a5 black should strengthen the C file, and there is no
need to allow white access to h5 with the Q. Moving pieces
away from the Kside giving white a stronger presence there
is a big boo-boo. Who was it that said if you have a rook+
in the king position a sacrifice is usually the correct course..
or something like that. |
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| Jul-01-20 | | chessworm: Will 19...♕xf6 any better than ♘xf6?
I can't see how white can refuse trading of queens in that line and possibly gains some time to activate his inactive pieces. |
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| Sep-19-21 | | N.O.F. NAJDORF: My winning idea is 21 Be4.
The threat is 22 Bxb7 Nxb7
23 Ne4
E.g.
21 Be4 Rc4
22 Rad1 Qe7
23 Bxb7 Nxb7
24 Rd7 wins
Unfortunately, after
21 Be4 Bd5
22 Bxd5 exd5
23 Nf5 Nh5
(23 ... Ne8
24 Re1 wins)
24 Qxh5 gxf5
25 Qxf5
although white wins, it's less clear-cut than in the game. |
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+ sac: 25.Ne7+