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| Jun-15-12 | | sevenseaman: #60374
If you think you can do a thing or you think you cannot do a thing, you are right. Henry Ford
click for larger viewBlack to play and win. |
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| Jun-15-12 | | sevenseaman: <whiteshark>...and thats it. |
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| Jun-15-12 | | Zatrikion: Definitely start with: 29.Nf6+!
Queen is threatened, so 29..gxf6 (forced) 30.gxf6
Now white threatens mate in 3 moves so the black queen has to move to provide an escape route(Of course not 30..Qe8 mate in two). 30..Qd3
31.Qg4+ Kf8
32.Rxh7 Ke8
33.Rh8+ Kd7
34.Rxd8+ R(K)xd8
35.Rd1 (black queen lost)
If 30..Q(somewhere else)
31.Rxh7 and 32.Qh5 1-0
If Knight is used for defense:
30..Ne7
31.Rxh7 Ng6 (31..Kxh7, 32.Qh5+ Kg8, 33.Qh6 1-0)
32.Qh5 and.. 33.Qh6 1-0. No defense for black.
Time to check. |
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| Jun-15-12 | | CHESSTTCAMPS: Material is even, but white's big advantage is provided by an advanced pawn mass as menacing as it looks. The key move for prying open the king's shelter is easy to spot. 29.Nf6+! gxf6 (Kf8 30.Nxd7) 30.gxf6 threatens 31.Qg4+ with mate in 3, and there is no escape for the black king: A) 30... Kh8 31.Rxh7+! (Qh5?? Rg8+) Kxh7 (Kg8 32.Qg4+) 32.Qh5+ Kg8 33.Qh6 forces mate. B) 30... Kf8 31.Rxh7 Kg8 (Qd1+ 32.Rxd1) 32.Qg4+ Kxh7 33.Qg7# B.1) 31... other 32.Rh8#
C) 30... Qd2 (or d3) 31.Qg4+ Kf8 32.Qg7+ Ke8 33.Rxh7 Kd7 34.Qxf7+ Ne7 35.Qxe7+ Kc8/c6 36.Qc7# C.1) 32... Rd7 (or Qd7) 33.Rh8#
C.2) 32... Nxe5 33.fxe5 and 34.Qxf7+ forcing mate can't be stopped. D) 30... Ne7 31.Rxh7! Kxh7 32.Qh5+ Kg8 33.Qh6 Nf5 34.exf5 and Qg7# can only be delayed by spite checks. D.1) 31... Ng6 32.Qh5 Qe8 33.Qh6 Qf8 34.Rg7+ Qxg7 35.Qxg7# Time for review... |
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| Jun-15-12 | | chesskidnate: <vardeep> note that after 30.Qh5 Kf8 31.Qxh7 fxe5 32.Qh8+ Ke7 33.Qf6+ Kd6 34.Rd8+ Nd4 black doesn't need to lose his queen for a rook and may be winning (he still has to lose his knight though) |
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| Jun-15-12 | | LoveThatJoker: <sevenseaman>
1...Bg4!
From worst to best:
a) 2. Rxe7 Bxf3#
b) 2. Kg2 Bxf3+ 3. Kxf3 Qxb7 
c) 2. fxg4 Qxb7
d) 2. Qf1! Qxb7 3. fxg4 Qe7 here I would say Black is winning, but more along the lines of between  and LTJ |
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| Jun-15-12 | | JustAFish: I'm not sure if this was easy for a Friday puzzle, or I'm just good at seeing this particular pattern. This was instantaneous for me. |
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| Jun-15-12 | | sevenseaman: <LoveThatJoker> I didn't think it was an easy problem. Cheers for your chess acumen and solving skills.
You are trying to be thorough but the win may be a distance away. Finding the key move (1...Bg4)is the thing here.  from here on. I admire your readiness to take up a challenge.
(BTW I liked that Hewitt-Steinitz game) |
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| Jun-15-12 | | LoveThatJoker: <sevenseaman> Thank you! I appreciate your kind words. Adding to this, I am glad that you enjoyed M Hewitt vs Steinitz, 1866 - a true gem from WC Steinitz indeed! Here's another interesting game I came across, while going through a few games from today's Player of the Day, GM A. Zaitsev: His only win versus GM Polugaevsky in this database - and possibly, as it relates to classical tournament games, his only one against GM Polugaevsky ever: Polugaevsky vs A Zaitsev, 1969
LTJ |
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| Jun-15-12 | | kevin86: The bishop sac has two rewards:It sets up the pawn at f6 hemming in black's king. Also,it mobilizes the queen for the kill. A rook can then be sacrificed to finish the mate. |
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| Jun-15-12 | | belgradegambit: Exactly how is this puzzle "difficult"? |
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| Jun-15-12 | | sevenseaman: <LoveThatJoker> Thanks for the link to Zaitsev; a good win. I had already been to his/player of the day page earlier today. |
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| Jun-15-12 | | LIFE Master AJ: The first move is relatively obvious ...
(Especially if you have been solving these puzzles for a while.) 29.Nf6+!,
(Black has to take, his K&Q were being forked.)
29...gxf6; 30.gxf6, Kh8;
(Otherwise the check on g5 is a killer.)
31.RxP/h7+!,
This was the harder move to find.
31...KxR/h7+; 32.Qh5+, Kg8; 33.Qg5+, Kf8▢;
(if ...Kh8, then Qg7 mate)
34.Qg7+, Ke8; 35.Qg8 #. |
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| Jun-15-12 | | LIFE Master AJ: The Queen was a relentless force of nature in this POTD. |
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| Jun-15-12 | | lzromeu: The easiest puzzle of last 3 days |
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| Jun-15-12 | | Patriot: Nice puzzle! I calculated the main line, given 33...Kf8 34.Qg7+ Ke8 35.Qg8# or 33...Kh8 34.Kg2 . Another line I considered was 30...Qd2 31.Qg4+ Kf8 32.Rxh7 Ke8 33.Qg8+ Kd7 34.Qxf7+ and mates in a few moves. 30...Nxe5 31.fxe5 doesn't help. |
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| Jun-15-12 | | Patriot: Of course in my first line, 33...Kh8 34.Qg7# is much easier! |
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| Jun-15-12 | | atakantmac: i thought
29. Rxh7 Kxh7
30. Nf6+ gxf6
31. Qh5+ Kg8
I think it would win the game too |
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| Jun-15-12 | | russiafunk: <Lia: if Black sacrifice the queen...
29. Nf6+ - Kf8
30. Nxd7+ - Rxd7
31. Rxh7 - Rd8
... what will the white do next?>
White pushes Rh8. Black is forced to play Ke7. White takes Rxd8. |
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Jun-15-12
 | | OhioChessFan: <atakantmac> I agree about 29. Rxh7 and am surprised more people didn't go that route. I suspect Black would play 29...Kf8, but regardless, there is zero counterplay. |
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| Jun-15-12 | | Tiggler: <OhioChessFan> and <atakantmac>
<I agree about 29. Rxh7 and am surprised more people didn't go that route. I suspect Black would play 29...Kf8, but regardless, there is zero counterplay.> All this does is win a pawn after the K runs to e7. Black has lots of counterplay on the d-file and later on the h- and g-files if they are opened. So this is not a solution to the puzzle "white to move and win". |
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| Jun-16-12 | | dragon player: How the hell did those white pawns get into this formation?? Probably
d3xe4 or d4xe5 and g3xf4 and h4xg5 or h2xg3xf4.
But that doesn't matter. The move 29.Nf6+ is obvious, but it doesn't work.
But this works:
29.Rxh7 Kxh7
What else?
30.Nf6+ gxf6
31.gxf6
now the threat is 32.Qh5+ Kg8 33.Qg5+ Kf8 34.Qg7+ Ke8 35.Qg8#. If you try to free d7 for the king, this works:
31...Qd2
32.Qh5+ Kg8
33.Qh6
and 34.Qg7#
Time to check.
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Hmmm, 29.Nf6+ seems to work. Lets find out what Rybka thinks of my
solution.
My solution fails to 31...Rg8+. Too bad.
4/5 |
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Jun-17-12
| | OhioChessFan: <Tiggler> 29. Rxh7+ Kf8 30. Nf6 and Black is dead in the water. He can't take the Knight or he'll be mated quickly via Rh8 and gxf6. Then maybe 30...Qd2 31. Qxd2 Rxd2 32. Rh8+ Ke7 33. Rxa8. I think Rxh7 is a better solution in that it's simpler. |
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Jun-17-12
| | OhioChessFan: <dragon player> your line needs 31. Qh5+ Kg8 32. gxf6 and wins quickly. |
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| Jun-19-12 | | zakkzheng: Why would white play the first move d3? |
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Kibitzing
+ sac: 29.Nf6+