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Sep-30-20
 | | eternaloptimist: I looked at 29.♘xf6+ 1st but I decided to go w/ 29.♘h6+ instead. After that I figured I had to play a move that would keep black’s ♔ bottled up on the ♔side so I went w/ 30.♕xh6 next. I’m 2 for 2 so far this week |
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| Dec-23-20 | | stacase: 29.Nh6+ Is there any other choice? Opens up the gates for the dogs of hell. Pretty easy for a Wednesday. |
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Dec-23-20
 | | al wazir: I went with 29. Rh3. If 29...h6, 30. Nxh6+ leads to a quick mate. 30. Bxh6 gxh6 probably wins too. In some lines if black tries to defend with the knight by playing ...Nf8, then Nxf6 is crushing. |
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| Dec-23-20 | | Brenin: 29 Nh6+ worked pretty well back in September, and the rules of chess haven't changed significantly since then. |
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| Dec-23-20 | | Walter Glattke: 29.Nh6+ Kf8 30.Nxf7 Kxf7 31.Qxh7 Rg8 32.Raf1 wins, 29.Nxf6+ Nxf6 30.Rxf6 gxf6 31.Rf1 Ra1! Not enough |
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Dec-23-20
 | | perfidious: Granting that the rules of the game in general do not appear to have changed these last twelve weeks, neither has the evaluation of the position: killtown. |
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| Dec-23-20 | | agb2002: Level 2: 30...?
Blackburne vs Lasker, 1892
click for larger view |
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| Dec-23-20 | | AlicesKnight: Nh6+ was not too hard to see but the game continuation accepting the sacrifice was surprising (... Kf8 with a long though probable win). |
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| Dec-23-20 | | goodevans: They think to fool us by publishing the puzzle on a different weekday each time but we're having none of it! |
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| Dec-23-20 | | Brenin: In <agb2002>'s thoughtfully provided alternative POTD, White's position, though cramped, looks safe apart from that worrying hole at e3. Black has a choice of three pieces to occupy it, and it is easy to see which one does the most damage, e.g. 30 ... Ne3 31 Re1 Nc4+, winning the exchange. |
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Dec-23-20
 | | chrisowen: Hack avid have it wads flav camp Nh6+ hack accumulate avid mack ahas it ravid rabid hack avid have it wads mill rizla it brill avid flav barbeque it but quit age it eg tug ovid fone doh avid ay jovial jap its cuz doge it hew avid mr it a lots avid nh6+ hog flush avid fifths tots gill fobs flav claw it good it eggs avid turk white nh6+ and? |
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| Dec-23-20 | | awfulhangover: I went for 29.Rh3, which also wins, but 29.Nh6+ is better. |
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| Dec-23-20 | | W Westerlund: Bizarre, I would have played 23. Rh3 quasi immediately. I think I would still prefer it. |
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| Dec-23-20 | | RandomVisitor: 26...exf4 equalized for black back in September, chess rules have not changed, Stockfish has been updated but it thinks about the same:
click for larger viewStockfish_20121821_x64_modern:
<72/84 4:35:32 0.00 26...exf4 27.Bxf4 Qa7+> 28.Nf2 Ne5 29.Qg3 Ng6 30.Bd6 Nd2 31.Bxf8 Nxf1 32.Bxf1 Nxf8 33.a4 Bf7 34.Ra1 Qc5 35.Qd3 Qa5 36.h3 Ng6 |
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| Dec-23-20 | | TheTamale: I'm having a hard time seeing how White cashes in if Black, instead of resigning, plays 30) ...Nf8 straightaway. Admittedly, this usually means I'm missing something glaringly obvious. |
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| Dec-23-20 | | goodevans: <TheTamale> That idea does have the merit of giving black the choice which piece falls on its sword after 31.Rg3+. Here's one possible continuation. Others are similar. 30...Nf8 31.Rg3+ Ng6 32.fxg6 hxg6 33.Bc4!
... and black cannot keep the g-file closed any longer. |
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| Dec-23-20 | | Ceri Evans: <RandomVisitor: 26...exf4 equalized for black back in September, chess rules have not changed, Stockfish has been updated but it thinks about the same:> Hi, RV.
Interesting what the different Stockfish versions come up with. Here is Stockfish 12 running on my all-in-one:
49/69 11:10 +0.06 26...exf4 27.Bxf4 Qa7+ 28.Nf2 Ne5 29.Qg3 Ng6 30.Bd6 Nd2 31.Bxf8 Nxb1 32.Bxg7 Nd2 33.Bxf6 Nxf1 34.Bxf1 Qf7 35.Bg5 Rxa3 36.h4 Ra1 37.h5 Bc4 Cheers,
Ceri |
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| Dec-23-20 | | RandomVisitor: <CeriEvans>Pretty much the same. I see you have formatted your Stockfish analysis similar to how I do it, as some of the information is not necessary and can be deleted, and any more than 10 or so moves per side in the middlegame is also often unneeded. |
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| Dec-23-20 | | cormier: ths guys ..... |
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| Dec-23-20 | | cormier: ? ... 21. Ba6 better is 21.Bb6 Nxb6 22.Qxb6 Nc4 23.Qxc7 Rxc7 24.Bxc4 Bxc4 ⩲ +0.60 (31 ply) |
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Dec-23-20
 | | Breunor: 29 Nh6 seemed to scream to me. I saw 29 ... gxh6 loses immediately, but it took a little while to work out the other options. |
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| Dec-23-20 | | agb2002: <Brenin: ...
30 ... Ne3 31 Re1 Nc4+, winning the exchange.>This is the idea but needs preparation because the knight on d3 protects e1. This explains Lasker's 30... b4 and if 31.cxb4 Bd4+ 32.Kh3 then 32... Ne3 wins an exchange at least for the pawn. |
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| Dec-23-20 | | RandomVisitor: Maybe white had a small advantage at move 25:
click for larger viewStockfish_20121821_x64_modern:
<60/82 5:58:33 +0.78 25.Qg3 Kh8 26.f4 exf4 27.Bxf4 Qa7 28.h3> Nbc5 29.Kh2 Qxa3 30.Rfd1 Rg8 31.Rb4 Na4 32.Bc4 Ndc5 33.Bd6 Qxc3 34.Qxc3 Nxc3 35.Bxc5 Nxd1 |
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| Dec-23-20 | | sophiephilo: Rh3 was my first option. Then settled for Nh6+. |
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| Dec-24-20 | | TheTamale: Thanks, <goodevans>. Very helpful. Bc4, or the threat thereof, is something I didn't see. |
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Kibitzing
sac: 29.Nh6+