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| May-29-13 | | jrpg: I also got the <Woody> solution. Expanding <Nick46>, as far as I can see White must simply guard access to the a2-g7 diagonal and protect the c2 pawn to stop perpetuals. After 36. ..Qc5 37.Qf7+ Kh8 38.e7 and mate whilst if 36. ..Qf4 37.Qc8+ Kg7 38.e7 Qf7+ 39.b3 and the pawn will queen. |
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| May-29-13 | | zb2cr: Monday on Wednesday--sacrifice the Queen! 35. Qxf8+, Qxf8; 36. e7, Qe8; 37. Rxe8+, Kf7; 38. Rh8, Kxe7; 39. Rxh7+. Black is down by R+P. |
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| May-29-13 | | hez: Qxf8 is the only line I considered... |
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| May-29-13 | | whiteshark: <35. Qxf8+ Qxf8 36. e7>, and that's it. 35.Rd7 Qc4+ doesn't work |
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| May-29-13 | | James D Flynn: Material is equal but White has an advanced passed pawnon the 6th rank, in addition the Black K’s position precarious where3as the White K is protected by 3 intact pawns .
35.Rxf8+ Qxf8 36.Qd7(Black’s problem the threat of 37.e7 and 38.e8=Q and Black has no way for his K to approach the passé pawn, in addition if the with the White pawn on e7 Black must guard against the Threat of Qf8#) Qf5 37.Qd8+ Kg7 38,e7(now the Black Q must either check or stay on the f file e.g. Qxc2 threatening perpetual check allows Qf8#) Qf7+ 39.b3 Qf2(threatening Qxc2+ with a perpetual) 40.Qc8 and Black has no checks and no way to prevent 41.e8=Q . |
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| May-29-13 | | chessdr: <jrpg> Not quite right. After 36. ... Qf4 37. Qc8+ Kg7 38. e7 Qf7+ 39. b3 then Qxe7, since the white queen is on c8. I think 36. ... Qf1 is even more challenging, e.g., 37. Qc8+ Kg7, and if 38. b3 to allow e7, then 38. ... Qe2 and white has some work to bring the pawn in. If 38. Qc7+ Kf8 and there is still work to do. I do think white should still win but the two-move lock is better. |
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| May-29-13 | | gars: <Dr. Funkenstein> is right: this problem is easier than yesterday´s, after 35)Qxf8 the game plays itself. |
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| May-29-13 | | tcoxon39: Following the 35. Rxf8+ line, I like 36...h5
White has no way to defend against black promoting a pawn except to exchange(?). If white tries 37. e7 then:
37...Qf7+
38. Kb1 Qf1+
39. Ka2 Qc4+
if 40. b3 then:
40...Qxc2+ and perpetual
if 40. Kb1 then:
40...Qf1+ and perpetual |
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| May-29-13 | | backrank: 35 Qxf8+ Qxf8 36 e7
How painful this must be for Black!! |
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| May-29-13 | | kevin86: A brilliant finish! The queen is sacrificed but is soon to be regained with great interest! |
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| May-29-13 | | sfm: After playing a little around with
35.Rxf8+,QxR 36.Qd7,Qf5 (or f1)
and
(a) 37.b3,Qf5 or
(b) 37.Qc8+,Kg7
or even the interesting
(c) 37.b4
I believe that 35.Rxf8+ does not win. |
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| May-29-13 | | sfm: <tcoxon39: Following the 35. Rxf8+ line, I like 36...h5
...
If white tries 37. e7 then:
37...Qf7+
38. Kb1 Qf1+
39. Ka2 Qc4+
if 40. b3 then:
40...Qxc2+ and perpetual
if 40. Kb1 then:
40...Qf1+ and perpetual>
But! You did not consider 38.b3 |
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| May-29-13 | | sfm: <chrisowen: My thin picking bag he find queen mecurial one. >
:-)
"Though this be madness, yet there is method in it"
(Shakespeare in "Hamlet") |
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| May-29-13 | | BOSTER: Bologan should know that passed pawn has to be blocked. Instead this he created the real balagan playing Qxg2, Qxh2. For his defense I have to say that he had aleady nothing for blockade.
In the <POTD> pos. it is clear that the pawn e6 requered to give her way to advance. So, even the queen sometimes has to give the road.
35.Qxf8+ Qxf8 36.e7.
If <CG> began <POTD> with white to play move 34, they could add one more star. |
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| May-29-13 | | RookFile: 35. Rxf8+ Qxf8 36. Qd7 Qc5
click for larger viewHow does play continue? |
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| May-29-13 | | Once: For some reason, I was in a defensive mood today. With a bit of retrograde analysis, I figured that black's last move must have been 34...Qf4, setting up a perpetual with Qc5+ and Qf1+. If white blocks the Qc5+ with b3, then Qxc2+ and we are perping on c2 and c1. Worse, if white doesn't attend to his back rank he might even get mated. 35. Rd7? Qc5+ and whether white plays b3 or not he's soon going to be writing 0-1 on his scoresheet. So white has either got to defend against the Qc5+ threat or give a check. 35. Rxf8+ Qxf8 seems a little messy. It might win, but I can't see anything immediate and black still has those annoying checks. 35. Qxf8+ feels right because we want the d pawn to be able to move. Fun little sequence. |
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| May-29-13 | | RookFile: Ok, I guess in my diagrammed position, he has 37. Qf7+ Kh8 38. e7, and by virtue of the queen on f7, perpetual check is hindered. |
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May-29-13
 | | gawain: This wasn't hard because there are so few candidate moves for White. But it is a pleasing puzzle. I had to double and triple check to be sure the maneuver 35 Qxf8+ Qxf8 36 e7 actually did work. |
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May-29-13
 | | fm avari viraf: If one knows the technique the answer looks very simple with 35.Qxf8+ Qxf8 36.e7! & the Black's coffin is nailed. |
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| May-29-13 | | jrpg: <chessdr> Yes, ..uhm 39. ..Qxe7 does rather spoil that analysis! |
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| May-29-13 | | eezzell: 35. Qxf8+ 36. e7 is the only answer. After that you can't mess up the win except by hanging the rook. Eliminate the threat of a perpetual at the beginning and you can't miscalculate. |
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| May-29-13 | | RookFile: eezzell put it well. Take the sure win and get out of there. That used to be one of the criticisms of Keres - the guy would like for 4 different ways to win, and occasionally make a mistake. |
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May-29-13
 | | chrisowen: <sfm> "Skin age fate hurdle, seek night free bind. eight fleur" (chrisowen a "css") |
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May-29-13
 | | eternaloptimist: This is an easy puzzle. If u follow the maxim "check all checks & captures", u can easily find it. 35.♕xf8+ is a check & a capture so it suits this maxim very well. |
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| May-29-13 | | HowDoesTheHorsieMove: I saw the solution fairly quickly, but it took me forever to realize it was a solution. I guess I wanted more. |
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Kibitzing
sac: 35.Qxf8+