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| Apr-25-18 | | saturn2: I took 33 Qh6 gxR 34 Ng5 Ra8 35 Qh7 Kf8 36 Qf7.
If ..Rxf2 at some point after BxR the black queen has no check except Qe4 NxQ |
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| Apr-25-18 | | landshark: <CHC> I agree. After getting mauled yesterday (found a losing move 6 deep into the very dicey game position after heavy deliberation) this is almost comical. |
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| Apr-25-18 | | stst: Another smothered K... Wed R-sac:
33.Rh8+ KxR (no choice - if Kg7, 34.Qf6#)
34.Qh6+ (mate by N, also possible by B** see below) Kg8
35.Ng5 threatens Qh7# Re8 (leave an escape sq.)
36.Qh7+ Kf8
37.Qxf7#
**
34.Qf6+ Kg8
35.Bh6 no help for f8... if Re8, 36.Qg7# |
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| Apr-25-18 | | jrredfield: A lot easier than Monday! 33.Rh8+ Kxh8 34.Qh6+ jumped out right away. 2/3 this week. |
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| Apr-25-18 | | patzer2: Quickly saw the first three moves 33.Rh8+! KxR 34. Qh6+ Kg8 35. Ng5 +- and figured mate would soon follow as the solution to today's Wednesday (33. ?) puzzle. However, only after looking at the solution with our Stockfish 9 analysis of move 33.? did I realize 33. Rh8+! forced mate-in-eight. |
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| Apr-25-18 | | agb2002: White has a bishop and a knight for a rook and a pawn. The simplest way to win seems to be 33.Rh8+ Kxh8 (33... Kg7 34.Qh6#) 34.Qh6+ Kg8 35.Ng5, threatening 36.Qh7# and avoiding Qe4+. The alternative 33.Qh6 gxh5 34.Ng5 is met with 34... Rxf2+ 35.Bxf2 Qb1. However, 33.Qf6 gxh5 34.Bh6 Rxf2+ 35.Kxf2 Qb2+ 36.Nd2 wins. Another option is 33.Rh4 Rc4 (else 34.Qh6) 34.Bf4, with the threats Qf6 and Qh6, winning. |
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| Apr-25-18 | | NBZ: Wow there seem to be a gazilion ways to win, at first glance. The cleanest appears to be Rh8+ Kxh8 Qh6+ Kg8 Ng5: the Be3 prevents Rxf2 ideas. Not so good is Qh6 gxh5 Ng5 which looks equivalent except Black has Rxf2+! Bxf2 Qb1. Using the Bh6 to mate is tempting but after Qf6 gxh5 Bh6 Rxf2+ Kxf2 Qb2+ how does White prevent Qb1+ followed by Qg6? For example Ke3 Qc3+ Kf4 Qc1+! (not Qc4+ Kg5! Qc1+ Kh4 wins) Ke4 Qb1+ followed by Qg6. Now we will end up with White being up a knight in the ending, but Black has lots of pawns. Not as nice as mate in five. |
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| Apr-25-18 | | diagonalley: hmmmmm... as <NBZ> says, there are many ways to win ... being bone idle, i went for the more leisurely 33.R-R4 ... |
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| Apr-25-18 | | patzer2: Black's game takes a turn for the worse with 17...Ng4?, allowing 18. Qd3 ± to +- (+1.75 @ 34 ply, Stockfish 9 analysis of move 18.?). Instead, 17...Rfc8 18. Qe2 ⩲ (+0.30 @ 31 ply, Stockfish 9 analysis of move 17...?) appears to give Black a better fighting chance of surviving a difficult middle/endgame. |
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| Apr-25-18 | | paavoh: I saw 33. Rh8+ Kxh8 34.Qh6+ and Ng5 to follow. No interference by Black as Be3 holds the fort against Rxf2+ and Ng5 guards the only square available for a check. |
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| Apr-25-18 | | princecharming: Damn, I had 33.Qf6 gxh5 34.Bh6 too. Unfortunately, it doesn't force mate. 34...Rxf2+ 35.Kxf2 Qb2 36.Nd2 is what I calculated, and the Queen has no good check. However, after 35...Qc5+, the Queen is getting onto that light-squared diagonal with check at some point, and then she's off to g6 to save (prolong) the day. |
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| Apr-25-18 | | Once: Sacrifice your opponent's pieces - 33. Rh4 intending Qh6 and mate. Fritzie says it's mate in 14 compared to the game line's mate in 8. |
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| Apr-25-18 | | Walter Glattke: 33.Rh4 /34.Qf6 would win. |
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| Apr-25-18 | | malt: Have 33. Rh8+ K:h8 34.Qh6+
went for (34.Qf6+ first)
34...Kg8 35.Ng5 Qe4+ 36.Kh2 Qh4 37.gh4 Rd8 38.Qh7+ and # (36...R:f2+ 37.B:f2 Qh4 ) |
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| Apr-25-18 | | morfishine: After 33.Rh8+ Kxh8 34.Qh6+ Kg8 there is no defense against the looming <35.Ng5> |
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| Apr-25-18 | | mel gibson: It's not that easy - I got it wrong.
I thought 33. Q-f6
Stockfish 9 says mate in 8
33. Rh8+
(33. Rh8+ (♖h5-h8+ ♔g8xh8 ♕g5-h6+ ♔h8-g8 ♘f3-g5 ♕b4-e4+
♔g2-h2 ♕e4-h1+ ♔h2xh1 ♖c2-c1+ ♗e3xc1 ♖f8-a8 ♕h6-h7+ ♔g8-f8 ♕h7xf7+) +M8/57
51) |
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| Apr-25-18 | | eblunt: I went 33. Qf6 pxR 34 Ng5
This seems to work and is one move quicker than the game line |
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| Apr-25-18 | | mel gibson: <Apr-25-18 eblunt: I went 33. Qf6 pxR 34 Ng5 This seems to work and is one move quicker than the game line> It's still a winning move but it's not mate in 8. stockfish 9 says.
(33. Qf6 gxh5
(g6xh5 ♗e3-h6 ♖c2xf2+ ♔g2xf2 ♕b4-c5+ ♔f2-g2 ♕c5-c2+ ♘f3-d2 ♕c2-g6 ♕f6xg6+
f7xg6 ♗h6xf8 ♔g8xf8 ♔g2-f3 g6-g5 ♔f3-e3 ♔f8-e7 ♔e3-d4 a7-a5 ♘d2-e4 a5-a4
♘e4xg5 a4-a3 ♔d4-c3 b6-b5 ♔c3-b3 b5-b4 h3-h4 ♔e7-d7 ♔b3-a2 ♔d7-e7 ♘g5-h3
♔e7-d7 ♘h3-f4 ♔d7-c6 ♔a2-b3 ♔c6-c5 ♘f4xe6+ ♔c5-d5 ♘e6-g7 ♔d5xe5 ♘g7xh5
♔e5-f5 ♘h5-f4 ♔f5-g4 ♘f4-d5) -3.70/31 14))
score for Black -3.70 depth 31 |
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| Apr-25-18 | | thegoodanarchist: I got it. I solved the puzzle! Where's my cookie?? |
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| Apr-25-18 | | et1: This was easy.... |
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| Apr-25-18 | | whiteshark: indeed.... |
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| Apr-25-18 | | lzromeu: Longest line
33. Rh8+ Kxh8 34. Qh6+ Kg8 35. Ng5 Re8 36. Qh7+ Kf8 37. Qxf7#
(without black Qsac) |
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| Apr-25-18 | | Marmot PFL: Looks easy 33 Rh8+ Kxh8 34 Qh6+ Kg8 35 Ng5 unless I am missing something. |
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| Apr-25-18 | | ChessHigherCat: <princecharming: Damn, I had 33.Qf6 gxh5 34.Bh6 too. Unfortunately, it doesn't force mate. 34...Rxf2+ 35.Kxf2 Qb2 36.Nd2 is what I calculated, and the Queen has no good check.
However, after 35...Qc5+, the Queen is getting onto that light-squared diagonal with check at some point, and then she's off to g6 to save (prolong) the day.> I don't think so, as I said above:
35...Qc5+ 36. Kf1 Qc4+ 37. Ke1 Qe4+ 38. Kd2 Qd5+ 39. Ke3 Qb3+ 40. Kf4 Qc4+ 41. Kg5 Qc1+ 42. Kxh5 and the Queen is fresh out of checks. This line is much faster:
35. Kxf2 Qc5+ 36. Ke1 Qc3+ 37. Nd2 Qc1+ 38. Ke2 and no more checks |
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| Apr-25-18 | | takchess: Same wrong answer as Mel. thought 33. Q-f6 . Even though I saw blacks counter moves..... |
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Kibitzing
sac: 33.Rh8+