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| Nov-18-15 | | roentgenium: I have to admit defeat on this one, erroneously believing 27. Qh6+ would eventually lead to recapture of the f8 Knight, without seeing that it was defended both by Queen and Rook, and that the Black King can only self-block one of those at a time. With the aid of an analysis board, I found <agb2002>'s solution, so 27. Qh6+ is indeed a winning line - but I doubt I could evaluate all of the variations in a real game. |
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| Nov-18-15 | | saturn2: <penguincw (assuming the queen doesn't take on f8).> After 26 Rxf8 <..26 Qxf8> was NOT the reason I did not like this variation. After 27 Qh7+ black has to give his queen for the bishop. The reason I did not like this variation was ...26 Rxf8, because after 27 Qh7+ Ke8 28 Bxg6 black can escape to ...28 Kd8. And it was unclear to me whether white can push to g6 pawn successfully to queening. However I liked 26 Bxg6. |
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| Nov-18-15 | | morfishine: After <26.Bxg6+> Black's position transitions from teetering to collapsing ***** |
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| Nov-18-15 | | stacase: Hmmm, say check with the Rook or the Queen? Oh! the Bishop can say check too. Yeah, that works.
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| Nov-18-15 | | CHESSTTCAMPS: White is down a knight for a pawn, but has a winning attack against the exposed king, with black's bad bishop and disconnected rooks of little value in defense. Only black's knight is a pesky defender (and the queen could have a role if there's a misplay), but white can muscle through with 26.Bxg6+! forcing mate shortly:
A) 26... Nxg6 27.Qh7#
B) 26... Kg7 27.Qh6#
C) 26... Ke7 27.Rh7+ Nxh7 28.Qxh7+ Kf8 29.Qf7#
D) 26... Kxg6 27.Qh5+ Kg7 (Kf5 28.Qf7#) 28.g6!! (Qh6+ Kf7 drives the king to safety) Qa3/c3+ 29.Kg4 Nxg6 30.Qh7# D.1 29... Nh7 30.Qxh7#
D.2 29... other (except a queen spite check) 30.Qh6#
Time for review... |
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| Nov-18-15 | | thegoodanarchist: <Penguincw: Wednesdays. The middle of the work week, and also the day where <cg> puzzles start getting harder (if they haven't already). Yeah, I missed this puzzle, as my first move was 26.Rxf8+, did not consider any other variations.> Don't feel badly, that's exactly what happened to me. It really irks me that I didn't consider the Bishop capture/check, since ...Nxg6 allows immediate mate. I am getting rusty since I stopped playing... |
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| Nov-18-15 | | CHESSTTCAMPS: <agb2002: <devere>'s solution is far simpler...> For those accustomed to giving priority to forcing alternatives (usually the most fruitful approach), the technique of cutting off the escape route is sometimes hard to find. I only found 28.g6 in line D after finding frustration with the forcing alternatives. |
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| Nov-18-15 | | kubbybulin: Don't you hate it when you have your analysis written out in outline form, and you go to post and the post directly before yours is identical (even the ordering)? I omitted one small detail though (D. 27. ...Kf5 28. Qf7#). You must play correspondence CHESSTTCAMPS. Well done. |
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| Nov-18-15 | | whiteshark: <26.Bxg6+!!> That's it! |
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| Nov-18-15 | | kubbybulin: Btw today's puzzle was exponentially more difficult than yesterday's. I am scared of Thursday. |
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| Nov-18-15 | | mel gibson: So easy |
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| Nov-18-15 | | dfcx: White can check with Rh7, Qh7, Rxf8 and Bxg6. The first two fails due to the knight's guard. Rxf8 fails to Qxf8. That leaves 26.Bxg6+
A. 26...Kxg6 27.Qh6+ Kf7 28.Qf6+ Ke8 29.g6 wins
B. 26...Ke7 27.Rh7+ Nxh7 28. Qxh7+ Kf8 29.Qf7#
C. 26...Nxg6 27.Qh7#
Reading the other's post, my line A is not good, 27.Qh5+ is better |
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| Nov-18-15 | | dark.horse: <stst> "CG should have more detailed analyses..." That job is on the kibitzers. |
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| Nov-18-15 | | varishnakov: I think this is a case where CG misevaluated the difficulty of the puzzle due to the game continuation being simpler. |
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Nov-18-15
 | | paulalbert: Like some others instinctively looked at Rxf8ch first, but could not make it work, so looked at Bxg6ch and was able to work out the variations to make it work. |
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| Nov-18-15 | | BOSTER: <stst: CG should have more detailed analyses>.
You don't know about CG analysis anything. |
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| Nov-18-15 | | kevin86: I went the way...of Rf8+ ouch! My other move Bxg6+ the king must take as the knight is pinned! |
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| Nov-18-15 | | YouRang: Yep - 26.Bxg6+ easy since black can't recapture without being quickly mated, so black needs 26...Ke7. But then, with R, B, Q and Pe5 all ganging up on weakly defended kingside, it's got to be over soon. So, you can play 26.Bxg6 even before you calculate mate, and once you play it, mate isn't hard to find. |
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| Nov-18-15 | | rozzatu: <stst>
A more subtle journey (B):
31.Qxe6#.
31.Qxe6 is not mate. |
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| Nov-18-15 | | CHESSTTCAMPS: <kubbybulin:> I did play correspondence chess, with some success, more than 30 years ago. (Geez, that makes me sound old or something.) Sometimes the ordering of my solutions is a bit random, but today I was intentionally going from simplest to longest, so it's not too surprising that you came out similarly. |
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Nov-18-15
 | | gawain: I missed this one. Among other things, I did not notice that after 26 Rxf8+ Black can retake with the queen. |
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| Nov-18-15 | | ruzon: <stst: line (B): 31. Qxe6+>, Qe7 and then what? |
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| Nov-18-15 | | JeffH1165: I immediately saw Rh7+ as well. That line seems to work out just fine for White . . . |
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| Nov-18-15 | | Est2002: Qh6 looks ok to me. |
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| Nov-18-15 | | jheiner: <JeffH1165> I thought Rh7+ would suffice, forcing the capture with Nxh7 and invasion by the Q and B. However upon analysis found that Black can simply repeat the position with Kg8. OTB it would be pretty simple to adjust and find Bxg6 I would think. |
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Kibitzing
sac: 18.Nxe6