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Later Kibitzing> |
| Jan-16-18 | | stst: Tues.. R-sac again
29.......RxN+
IF (A)30.Kd2 Rf2 =====> Q gone
IF (B)30.QxR BxP+
31.KxB or Kd3 ====> QxQ
32.Re8+ Kf7 etc ... Black in control |
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| Jan-16-18 | | zb2cr: Black wins material with 29. ... Rxf3+; 30. Qxf3, Bxd4+; 31. Kxd4, Qxf3. Black is now up by Q+P vs. R+B. |
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Jan-16-18
 | | agb2002: Black is a knight down.
The white king cannot protect the queen after 29... Rxf3+ 30.Qxf3 (30.Kd2 Rf2 - + [q vs R]) 30... Bxd4+ wins decisive material. |
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| Jan-16-18 | | Cheapo by the Dozen: I love Tuesdays!
This one is solved by a quick review of forcing moves. |
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| Jan-16-18 | | Cheapo by the Dozen: I presume the game ended in a flag fall, but it does look pretty lost for White. White has no hope unless he can either stop the pawns (not easy), catch Black in a mating net (not easy with f7 uncovered), or benefit from a blunder (not an option once we move to analysis rather than true over-the-board play). |
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| Jan-16-18 | | Dionysius1: It's not possible to tell whether MVL resigned or lost on time! Even from the chess24 record https://chess24.com/en/watch/live-t... or a YouTube video https://www.youtube.com/watch?v=qKL... |
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| Jan-16-18 | | get Reti: I solved it, but I feel like it was a little trickier than a typical Tuesday because it involved both a sacrifice and a deflection. It wasn't just sac, followed by check, check, and mate. |
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| Jan-16-18 | | mel gibson: How embarassing - I didn't see it
even after 1 minute.
Stockfish 8 says:
29. Qe2 Rxf3+ (29. .. Rxf3+ (♖f8xf3+ ♕e2xf3
♗b6xd4+ ♔e3xd4 ♕g2xf3 ♘g7-f5 ♕f3-f2+ ♖e1-e3 ♕f2xb2+ ♔d4-c5 ♘g6-e5 ♔c5-d6
♘e5-c4+ ♔d6-e7 ♘c4xe3 ♗h6xe3 ♕b2-a3+ ♔e7-f6 a7-a5 h3-h4 ♕a3xa2 g4-g5 ♕a2-e2
♗e3-c5 ♕e2-f3 h4-h5 d5-d4 ♗c5xd4 ♕f3xh5 ♘f5-e7+ ♔g8-f8 ♘e7-f5 ♕h5-f7+
♔f6-e5 ♕f7-d5+ ♔e5-f4 a5-a4 ♗d4-f6 a4-a3 ♘f5-e3 ♕d5-b3 ♗f6-d4 ♔f8-f7 ♔f4-e5
a3-a2 ♔e5-e4 ♕b3-b1+ ♔e4-f4) +9.06/32 64)
score for Black +9.06 depth 32 |
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| Jan-16-18 | | patzer2: Managed to correctly play guess the move for today's Tuesday (29...?) puzzle solution for the first six moves of Black's winning combination. But at move seven, instead of 36...d4 -+ (-13.25 @ 29 ply, Stockfish 8), I picked 36...Nd4 -+ (-7.77 @ 29 ply, Stockfish 8). White's game goes bad with the pawn grab 26. Nxg7? allowing the decisive demolition 26...Nxf2! -+ (-2.80 @ 28 ply, Stockfish 8). Instead, 26. Qb3 ⩲ (+0.27 @ 30 ply, Stockfish 8) holds it together for White. |
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| Jan-16-18 | | JohnBoy: Black to move 26...? is a more interesting puzzle. It looks as if Anand set the whole thing as a trap to protect his g pawn. |
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| Jan-16-18 | | mel gibson: <JohnBoy: Black to move 26...? is a more interesting puzzle. It looks as if Anand set the whole thing as a trap to protect his g pawn.> Yes - it becomes a Saturday puzzle then -
White is forced to sacrifice his Queen.
Stockfish 8 says
26. Nxg7
Nxf2 (26. .. Nxf2 (♘e4xf2 ♔g1xf2 ♕c7-h2+ ♔f2-e3 ♕h2-g2 ♕d3-f5 ♖f8xf5
♘g7xf5 ♗b6-c7 ♗h6-g5 ♔g8-f8 b2-b3 ♕g2xh3 ♗g5-h6+ ♔f8-g8 ♔e3-f2 ♕h3xg4
♘f5-e7+ ♘g6xe7 ♖e1-g1 ♕g4xg1+ ♔f2xg1 ♘e7-f5 ♗h6-d2 h7-h5 ♔g1-g2 ♔g8-f7
♗d2-b4 ♔f7-e6 ♔g2-h3 ♗c7-d8 ♗b4-e1 ♘f5-e3 ♗e1-f2 ♘e3-c2 ♗f2-h4 ♗d8xh4
♔h3xh4 ♔e6-f5 ♔h4xh5 ♔f5-f4 ♘f3-g5 ♘c2xd4 ♔h5-g6) +3.45/37 101) score for Black +3.45 depth 37 |
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| Jan-16-18 | | morfishine: <29.Rxf3+> followed by <30.Bxd4+> oughta do it |
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| Jan-16-18 | | malt: <29...R:f3+> 30.Q:f3
(30.Kd2 Rf2)
30...B:d4+ 31.K:d4 Q:f3
32.Re8+ Kf7 33.Ra8 Q:h3 |
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| Jan-16-18 | | hdcc: Check, check, boom! |
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| Jan-16-18 | | lost in space: 29...Rxf3 30.Qxf3
(30.Kd2 Rf2)
30...Bd4 31.Kxd4 Qxf3
Not an tribal win for Black, but it semis manageable |
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| Jan-16-18 | | JohnBoy: <Mel> - your Stockfish line indicates that White could have done a bit better w 29.Qf5. Not a move I would want to make. |
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Jan-16-18
 | | Jimfromprovidence: For the record, white sets up a swindle attempt with 32 Nf5, below, seeing Re8+.
click for larger view |
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| Jan-16-18 | | njchess: My guess is White resigned, though since it was a rapid tournament, he could have been clocked. Black's d4 thrust is a killer. White loses any chance for counter play after Black plays 37. ... Qd5+. |
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Jan-16-18
 | | gawain: The good news is that I saw the solution. The bad news is that I did not see it right away. Had to fold my tent and set the puzzle aside. When I returned, all had become clear. |
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| Jan-16-18 | | NBZ: <Had to fold my tent and set the puzzle aside.> Do you mean that literally? |
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| Jan-16-18 | | cormier: 
click for larger viewAnalysis by Houdini 4 Pro w32: d 20
1. -+ (-12.00): 37.Rb3 Ne5 38.a4 Qa5+ 39.Kxd4 Qd5+ 40.Ke3 Qxb3+ 41.Ke4 Ng6 42.Bg5 Qxa4+ 43.Kf3 Qd1+ 44.Kg3 Qg1+ 45.Kf3 Qh2 46.h4 Qh3+ 47.Kf2 Ne5 48.Nh6+ Kg7 49.Ke2 Qf3+ 50.Ke1 Nxg4 51.Nxg4 Qxg4 52.Kd2 a5 53.Kc3 a4 54.Kb2 b5 55.Ka3 Qc4 56.Kb2 b4 57.Kb1 a3 2. -+ (-12.94): 37.Re8+ Qxe8 38.Kxd4 Qe5+ 39.Kd3 Qd5+ 40.Kc3 Qxa2 41.Kd4 Qa1+ 42.Ke4 Qd1 43.Bg5 Qd5+ 44.Ke3 Qb3+ 45.Kd4 Qxh3 46.Nh6+ Kg7 47.Bd2 Qf3 48.Nf5+ Kf6 49.Ne3 Qe2 50.Kc3 Ne5 51.Bc1 b5 52.g5+ Kxg5 53.Nc4+ Kg4 54.Nxe5+ Qxe5+ 55.Kd3 b4 56.Kc2 c5 57.Bd2 h5 58.Kb3 3. -+ (-13.47): 37.Ne7+ Nxe7 38.Re5 d3 39.Bd2 b6+ 40.Kc4 c5 41.Rxe7 Qxe7 42.Kxd3 Qd6+ 43.Ke2 Qh2+ 44.Ke3 Qxh3+ 45.Kf2 Qh2+ 46.Ke1 Qg1+ 47.Ke2 Qxg4+ 48.Kf2 c4 49.Ke3 Qg5+ 50.Ke2 Qf5 51.Be3 Qg4+ 52.Ke1 c3 53.Kf2 c2 54.Bc1 Qd4+ 55.Kg2 Qd1 56.Bb2 c1Q 57.Bxc1 Qxc1 58.Kg3 Qa3+ 59.Kh4 Qxa2 4. -+ (-14.46): 37.Nxd4 Qd5+ 38.Kb4 c5+ 39.Ka3 cxd4 40.Re8+ Kf7 41.Rc8 Ne5 42.Kb2 Nc4+ 43.Kc2 Qg2+ 44.Kd3 Qxh3+ 45.Kxc4 Qc3+ 46.Kd5 Qxc8 47.Bd2 Qxg4 48.Kd6 d3 49.a3 Qe2 50.Bc3 d2 51.Bxd2 Qe7+ 52.Kd5 Qd7+ 53.Ke4 Qxd2 54.a4 Qc2+ 55.Kf4 Qxa4+ 56.Ke5 Qc4 57.Kd6 Qc6+ 58.Ke5 Qc5+ 59.Ke4 h5 60.Kf4 a5 5. -+ (-16.84): 37.Kb4 a5+ 38.Kb3 dxe3 39.Bxe3 Qd3+ 40.Kb2 Ne5 41.Bh6 Nc4+ 42.Kc1 Qc3+ 43.Kd1 Qxh3 44.Ke1 Qxg4 45.Ne3 Qh4+ 46.Ke2 Qh5+ 47.Kd3 Ne5+ 48.Ke4 Qxh6 49.Nf5 Qe6 50.Ng3 a4 51.a3 Nc4+ 52.Kf4 Qe3+ 53.Kg4 Ne5+ 54.Kh4 Qxa3 55.Nf5 Qb4+ 56.Kg5 a3 57.Nh6+ Kg7 58.Nf5+ Kf7 |
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| Jan-16-18 | | yadasampati: This one is definitely not easy. At least not in terms of the Tuesday puzzle. |
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Jan-16-18
 | | Penguincw: Woo, got it. Nice deflection move. |
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| Jan-16-18 | | Mayankk: Nice puzzle. Makes you think harder than a typical Tuesday puzzle and therefore more rewarding as well. |
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| Jan-17-18 | | patzer2: Correction: I picked 37...Nh4 -+ instead of 37...d4 -+. |
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Later Kibitzing> |
Kibitzing
sac: 26...Nxf2