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Later Kibitzing> |
Aug-30-18
 | | sjunto: Got the first move - I don't think I could work it out from there - I tried 30. Rg1 |
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| Aug-30-18 | | SpamIAm: Bacrot gives a sockdolager to Socko. |
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| Aug-30-18 | | patzer2: Missed today's Thursday solution 28. Rh6 +-, going instead for the weaker 28. Bf6 ±. For a Black improvement, the computer suggestion 13...Rf5 = (0.00 @ 36 ply, Stockfish 9) looks good. |
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| Aug-30-18 | | messachess: Saw the first 2 or 3 moves right away, not all. Good puzzle. Fun. |
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| Aug-30-18 | | agb2002: The position of the black king invites to play 28.Rh6, threatening 29.Rf6+: A) 28... Nxh6 29.Bxh6
A.1) 29... Rg8 30.f5
A.1.a) 30... exf5 31.e6+ wins decisive material (31... Kxe6 32.Qxg8+; 31... Kf8 32.exd7 etc.). A.1.b) 30... Qb6 31.fxe6+ Qxe6 (31... Kxe6 32.Qxg8+) 32.Rf1+ Ke7 33.Bg5+ wins decisive material. A.1.c) 30... Kf8 31.fxe6
A.1.c.i) 31... Rc7 32.Rf1+ Ke7 33.Bg5+ Kxe6 34.Qxg8+ is crushing. A.1.c.ii) 31... Re7 32.Rf1+ Bf7 33.Rxf7+ Rxf7 34.exf7 Kxf7 35.Qf5+ Ke8 (35... Ke7 36.Bg5+ Ke8 37.Qe6+ Kf8 38.Qe7#) 36.Qe6+ Kf8 37.Bg5 Qc7 38.Nf4 wins (38... g6 39.Bh6+ and 40.Nxg6#). A.1.d) 30... Re7 31.f6 Rd7 32.Bxg7 wins.
A.2) 29... Ke7 30.Qxg7+ Kd8 (30... Bf7 31.Qxf8#; 30... Rf7 31.Bg5#) 31.Qxf8 + - [N+P]. B) 28... Rc7 29.Rf6+ Ke7 30.Rxf5+ Kd7 31.Rxf8 wins. |
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| Aug-30-18 | | OrangeTulip: Nice puzzle! I also went for 28. Bf6 |
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| Aug-30-18 | | Mayankk: I saw 28 Rh6 Nxh6 and 29 Bxh6 Rg8. So far so good. However instead of following up with 30 f5, I decide to pile pressure on g7 via 30 Rg1. However I wasn’t sure how to continue the attack after 30 Rg1 Kf8. I would have probably followed up with 31 f5 but does it still work in that order? |
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| Aug-30-18 | | Walter Glattke: 38.Bf6 could be parried, e.g. 38.-Rg8 39.Rhg1 Kf8 40.Rg5 Qc7 41.Rag1 b5 42.Ng3 Nxg3 43.R1xg3 a5 44.f5 exf5 45.Qxf5 Rf7 |
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| Aug-30-18 | | saturn2: I saw the potential of Rh6 but not the idea of the pawn advance with the opening of the f file.
So I wanted to prepare Rh6 with an odd knight sacrific which alloes black a lot of counterplay however. 28. Ng3 Nxg3 29. Rh6 Ne4+ 30. Kc1 Nxg5 31. Rf6+ Ke7 32. Qxg7+ Nf7 33. f5 Qxc3 34. fxe6 Qxa1+ 35. Kd2 c3+ 36. Ke2 Qb2 37. Rxf7+ Rxf7 38. Qxf7+ Kd8 39. Qxd7++ |
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| Aug-30-18 | | malt: Looked at 28.Bf6, 28.Rag1, first before settling for 28.Rh6 |
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| Aug-30-18 | | 5hrsolver: Great puzzle. I didn't get it. |
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| Aug-30-18 | | whiteshark: Stopped after <30.f5!> when I couldn't find any good defense for black. |
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| Aug-30-18 | | Andrew Chapman: Mayankk, I followed the same path, and it's OK - Stockfish has it at + 15 from 31. f5. Andrew |
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| Aug-30-18 | | RKnight: How about "Soko it to me" as a pun, for those of us old enough to remember Rowan and Martin's Laugh in? |
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| Aug-30-18 | | mel gibson: I saw the first move easily.
I could see that Black would be in great trouble.Stockfish 9 says mate in 25.
28. Rh6
(28. Rh6 {(Rh1-h6 Qa5-d8 Bg5xd8 Rd7xd8 Qh7-g6+
Kf7-g8 Qg6xe6+ Rf8-f7 Rh6-h5 Nf5-h6 Rh5xh6 g7xh6 Ra1-g1+ Kg8-f8 Qe6xh6+
Kf8-e7 Qh6-g5+ Ke7-d7 e5-e6+ Kd7-c7 e6xf7 Be8xf7 Qg5-e5+ Kc7-d7 Rg1-g7
Rd8-f8 Qe5xd5+ Kd7-e7 Qd5-e4+ Ke7-d6 Qe4xb7 a7-a5 Rg7xf7 Rf8xf7 Qb7xf7
Kd6-c6 Qf7-e7 Kc6-b6 f4-f5 a5-a4 f5-f6 Kb6-a6 f6-f7 Ka6-b6 Qe7-c5+ Kb6-a6
f7-f8Q Ka6-b7 Qf8-c8+) +M25/37 ) |
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| Aug-30-18 | | thegoodanarchist: I did not solve the puzzle. :=( |
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| Aug-30-18 | | NBZ: I also had Rh6 Nxh6 Bxh6 Rg8 Rg1 Kf8 f5. I initially considered Bf6 but then it is hard to do something about Black's plan of Rg8 and Kf8. Eventually I realized Rh6! prevents the immediate Rg8 due to Rf6# and so it is in some ways a prophylactic move. |
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| Aug-30-18 | | SpamIAm: <RKnight> -or the sound effect in the "Moon Mullins" comic strip.
Now I'm REALLY dating myself... |
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| Aug-30-18 | | landshark: My best shot at this is 28.Rh6 which forces -NxR, followed by 29.BxN, Rg8, 30.f5. Now we've eliminated Black's best piece and we're ready to bring our N, which was tied to the defense of c3, into the game via f4, push e6, and open more lines to the enemy K. I don't think he can survive the onslaught at this point-
I've taken enough time on this puzzle to stop here - in this kind of position I trust myself to calculate concrete variations as I go along - |
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Aug-30-18
 | | Breunor: I feel good that I looked at the first 3 moves but I didn't see 30 f5! So I abandoned the line. |
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| Aug-30-18 | | cormier: Analysis by Houdini 4
26...Rc7 27.Qh7+ Kf7 28.Bd8 Rg8 29.Rh5 Kf8 30.Rxf5+ exf5 31.Qxf5+ Rf7 32.Qxf7+ Kxf7 33.Bxa5 Bd7 34.Rh1 a6 35.Bb4 b6 36.Bd6 g6 37.Rh7+ Rg7 38.Rh8 Rg8 39.Rxg8 Kxg8 40.Ng1 Kf7 41.Nf3 Ke6 42.Ke3 Bc8 43.Ng5+ Kf5 44.Nh7 Ke6 45.Nf6 Bd7 46.Bc7 b5 47.Bd6 a5
+ - (6.19) Depth: 18 |
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| Aug-30-18 | | cormier: Analysis by Houdini 4
25...Rd7 26.hxg6 Bxg6 27.Rag1 Qc7 28.Bf6 Bh7 29.Qh5 g6 30.Rxg6+ Bxg6 31.Qxg6+ Rg7 32.Bxg7 Qxg7 33.Qxe6+ Qf7 34.Rg1+ Kh7 35.Qxf7+ Rxf7 36.Rg5 Rf8 37.e6 Ne7 38.Ke3 Rf5 39.Rxf5 Nxf5+ 40.Kf3 Kg6 41.Ng3 Nxg3 42.Kxg3 Kf6 43.f5 Ke7 44.Kg4 Kf6 45.Kf4 b5 46.Kg4 a5 47.Kf4 a4 48.Kg4 Ke7
+ - (3.62) Depth: 20 |
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| Aug-30-18 | | cormier: Analysis by Houdini 4
23...Ne7 24.Bxe7 Rxe7 25.Qg3 Qd8 26.f5 Ref7 27.gxh5 Rxf5 28.hxg6 Rf2 29.Rh2 Rxh2 30.Qxh2 Rf3 31.Qg2 Qf8 32.Qg4 Rf2 33.Ke3 Rf5 34.a4 b6 35.Nf4 Qe7 36.Qg3 Bc6 37.a5 b5 38.a6 Bd7 39.Qg4 Bc8 40.Kd2 b4 41.Qg3 bxc3+ 42.Kxc3 Bd7
+ / = (0.58) Depth: 22 |
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| Aug-30-18 | | cormier: Analysis by Houdini 4
22...Qa4 23.Bxe7 Rxe7 24.Rhb1 Be8 25.g4 Qa5 26.Qf3 Kh7 27.a4 Kg8 28.Rg1 Kh7 29.Rab1 Qc7 30.Kc1 Qa5 31.Kd2 Qc7
= (0.00) Depth: 21
22...Qa4 23.Bxe7 Rxe7 24.Rhb1 Be8 25.g4 b6 26.Qg3 Kh7 27.Rb4 Qc6 28.Rg1 Qc7 29.Rbb1 Qc6 30.Rb4 Qc7
= (0.00) Depth: 22 |
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| Aug-31-18 | | Caissanist: I couldn't find the key move when looking at the diagram, but when I clicked over to the game score and saw what black's previous move had been, that somehow made 28.Rh6 seem obvious. |
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Kibitzing
sac: 28.Rh6