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| Oct-12-05 | | notyetagm: A beautiful petite combination based on the ♘f5-♕g4 motif: 27 ♖xg7+! ♗xg7 28 ♕g4 ♕xf5 29 ♕xf5, winning ♕+♙ for ♖+♘. |
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Feb-22-06
 | | cu8sfan: Awfully hard, I thought. |
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| Feb-22-06 | | dzechiel: A capture must take place on g7, but is it with the rook or with the knight? At first I look at 27 ♘xg7 ♗xg7 28 ♗h6 which looks good, but not convincing. Then I look for ways to get the queen into the game, and that's when I notice the h3-c8 diagonal with black's queen masked behind the knight. That's when I decide to "sac" the rook and follow up with the queen, threatening mate AND the knight check winning the queen. Took me about a minute to spot the right move. |
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Feb-22-06
 | | WannaBe: Didn't get it, I thought the knight would take, did not think it was a rook take. =( I'd better go back to studyin' chess!! |
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| Feb-22-06 | | actinia: Tactics are used in order to take advantage of weaknesses. Here black's main weakness turns out to be a hanging queen. What makes this puzzle so tough is that we don't usually think of a 'hanging queen' as a weakness. |
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Feb-22-06
 | | al wazir: If 39...Rxh6 then 40. Qg4, winning the exchange. |
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| Feb-22-06 | | notyetagm: This is my favorite example of the ♘f5/♕g4/♘h6+/♕x♕ trick in an actual game. <The point is that the queen must go to g4 with tempo from the mate threat on g7.> 27 ♕g4 does not threaten mate since the Black f8-bishop defends the g7-square. So Keres trades his g3-rook for this bishop with 27 ♖xg7+! ♗xg7. Now 28 ♕g4 really does threaten mate on g7. Black cannot meet the twin threats of 29 ♕xg7# and 29 ♘h6+ followed by 30 ♕x♕ in a satisfactory way. Be very careful with a White knight on f5, an undefended Black queen on d7, a White queen that can reach g4, and a potential mating focal point on g7. This pattern does not occur often but when it does it wins instantly. |
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| Feb-22-06 | | patzer2: For today's puzzle, Kere's 27. Rxg7+! forces 27...Bxg7 to allow the winning double attack 28. Qg4!  , threatening 29. Qxg7# or 29. Nh6+ winning the Queen. |
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| Feb-22-06 | | SpaceCowboy: I don't get it. Why not black 28...Rg6 instead of Qxf5? |
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| Feb-22-06 | | ganstaman: <SpaceCowboy: I don't get it. Why not black 28...Rg6 instead of Qxf5?>
28...Rg6 29.Nh6+ [anything] 30.Qxd7
It's a beautiful combo. Read notyetagm's post as it explains what's going on well. |
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| Feb-22-06 | | SpaceCowboy: :0 I get it now!! Thanks <qanstaman>. |
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| Feb-22-06 | | notyetagm: <ganstaman: ... It's a beautiful combo. Read notyetagm's post as it explains what's going on well.> And I get most of my understanding from Murray Chandler's excellent book "How To Beat Your Dad At Chess". That's where I first learned about the ♘f5-♕g4 trick and just how dangerous an f5-knight really is. This combination is just the ♘f5-♕g4 trick played at a GM level. Even Gligoric missed it. |
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| Feb-22-06 | | JoeStrummer: Funny how chess is. I knew that R X at g7 was the move, but didn't know why. Then the mighty discovered check shows itself... |
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| Feb-22-06 | | suenteus po 147: This week's theme is "puzzles I can't solve." In this case, even after seeing the answer I still didn't get it for about ten minutes afterward. |
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| Feb-22-06 | | olydream3: quite a nice puzzle. 27 Rxg7+! Bxg7 28 Qg4 wins the game (29. Nh6+). 1-0 If anyone was thinking about 27. Nxg7? Bxg7 28.Bh6? Rxh6 0-1 then thats the wrong solution |
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| Feb-22-06 | | Marco65: Although I know the pattern I missed the solution completely. I thought of the immediate 27.Qg4, when if the black queen leaves the h3-c8 diagonal White can win nicely: 27.Qg4 Qb7?? 28.Nxg7 Rg6 29.Nxe8! Rxg4 30.Rxg4+ Kh8 31.Be5+ Unfortunately against 27.Qg4 Qe6 I couldn't find anything better than winning a pawn by 28.Nh6+ Kh8 29.Qxe6 Rexe6 30.Nxf7+ Kg8 31.Ng5 I suspected it was too difficult for Wednesday! |
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| Feb-22-06 | | sagahelten: 39. Bh6! is also cute. If Rook takes h6, the the Queen threatens mate and the rook on c8 from g4 (double attack) |
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| Feb-22-06 | | legi: I was thinking about the alternative 27...♔h8 and didn't find something convincing, cause on 28.♕d4 there follows 28...♘c6. White wins a pawn and is much better, no question about this, but is there more after 27...♔h8? |
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| Feb-22-06 | | raminov: nice combination.always notice the undefended queen on d7. |
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| Feb-22-06 | | Willem Wallekers: <legi: is there more after 27...Kh8?>
28. Qg4 Bc5 29. Qh5 |
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| Feb-22-06 | | aazqua: This is a nice combo but it did seem a litle tough for a wednesday. Which day is the hardest? Saturday? |
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| Feb-22-06 | | Fezzik: John Nunn's advice, "Always Analyse Forcing Moves First" saved me a lot of time in this position. Once I found that Nh6+ didn't work at all, I went to the next most forcing move, Rxg7+. I was lucky that worked well enough. I then spent several minutes checking to see if there was anything better because I wasn't too impressed by the position after 28...Qxf5! However, there just didn't seem to be anything better. This was an exceptionally well played game by one of the great "Knights of Chess"! This was also quite a difficult puzzle for only a Wednesday combo. Keep it up! |
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| Feb-22-06 | | Richos: Didnt get it today. Completely lost, this move didnt come to my mind. In general, this week is tough for me, I got problems on monday and tuesday too, despite I solved them. Also the last week puzzles were much harder than usually I guess, dont you think so? |
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| Feb-22-06 | | Fezzik: By the way, the position after Black's 38th move deserves its own diagram. 39.Bh6! only works because 39...Rxh6(?) 40.Rxg7+ Kxg7 loses to 41.Qg4+ attacking the Rook on c8. This wasn't part of the original combination, but helped to end the game elegantly. |
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| Feb-22-06 | | jahhaj: Quite easy I thought, easier than yesterday. The unprotected queen was the key for me, once I'd noticed that then Qg4 threatening mate and a discovered attack just had to be the right move. Always look for unproteted pieces when looking for combinations! |
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Kibitzing
sac: 27.Rxg7+