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Dec-03-12
 | | paulalbert: Saw it right away, but this is perhaps a little more subtle than the usual Monday fare. I'll try this one out on my Boy Scout Chess Merit Badge candidates; not sure young, less experienced players will see it so easily. |
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| Dec-03-12 | | agb2002: White has a bishop and a pawn for the queen.
Black threatens 24... Bxe1.
White can deliver mate with 24.Rxf7+ Nxf7 25.g7#. |
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| Dec-03-12 | | Conrad93: I agree with Bart.
Maybe the puzzle would have been more difficult and interesting if the queen sacrifice was added. The rook sacrifice is simply a decoy.
It's a very common tactic in club games. |
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| Dec-03-12 | | whiteshark: <TheTamale> I've some bad news for you: it's flushed down beyond retrieval. :D |
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| Dec-03-12 | | Castleinthesky: Monday, Monday--- |
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| Dec-03-12 | | YetAnotherAmateur: It wasn't that difficult for me. My train of thought:
1. That g6 pawn clearly wanted to advance, and the only reason it couldn't was Kxg7.
2. So what could protect that pawn on g7? Bd4.
3. Why is Bd4 not protecting g7? Because of Ne5.
4. How do we get the knight to move? Rxf7+ forces Nxf7.
5. Oh look, playing g7 mates, because moving the knight allows the Re1 to cover e7. |
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| Dec-03-12 | | kevin86: How about this one? The queen sac is one move BEFORE the problem. Rook sac and g7#! not a bad day's work 4 white. |
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| Dec-03-12 | | Jim Bartle: Maybe they want to test our memories, and will repeat it on Friday, a move or two earlier. |
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Dec-03-12
 | | chrisowen: Having book to throw at him in captured queen g3 look it sham 24.Rxf7+ read B in d4 too binding him back in xray it is kingf8 in thin mind allows it now in chap 24.Nxf7 25.g7 it nearly in finding room again every angle covered by white as pool it seen in open shut it seal in wax on 23.bxg3 wax-off, 24.Rxf7+ l0 in. |
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| Dec-03-12 | | Crispy Seagull: The Q sac a move or two before the puzzle position is gorgeous. Even if the queen is refused, no matter whether the white pawn is taken or the king tries to escape, it's still mate in 2-3 thanks to the knight and the rooks. Very nice. |
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| Dec-03-12 | | MountainMatt: Damn, nearly thought I was going to miss this one! Thankfully I pulled myself from ledge of the Pit of Embarrassment and realized that after 24. Rxf7+ Nxf7 (forced), 25. g7 is in fact mate! For some reason that was hard to see at first...could be the start of a tough week! |
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| Dec-03-12 | | Nullifidian: Obviously the queen sac in queen sac Monday has already happened, so we're left with the rook sac of 24. ♖xf7+ ♘xf7▢ 25. ♙g7#
A very pretty mate. |
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| Dec-03-12 | | tbentley: I noticed that g7+ would be mate if e7 and g7 were both covered by white pieces. Thus Rxf7+ forces the knight to clear the path for the rook and bishop, enabling mate. Okay, I made that up. I just looked at the most forcing move and noticed that mate followed. |
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| Dec-03-12 | | David2009: T Binham vs P Horn, 1998: To celebrate the very welcome return of Crafty End Game Trainer today after a long absence, can you beat the robot without silicon help starting from the position with White to play at move 21
click for larger view
so two moves before today's POTD? I can't. Interactive link to play the position out: http://www.chessvideos.tv/endgame-t.... Please feel free to post the win when you find it.
<Conrad93: Maybe the puzzle would have been more difficult and interesting if the queen sacrifice was added.> There is a routinewin on material starting 22.fxg6 Kg7! etc. See the following interactive link to play it out: http://www.chessvideos.tv/endgame-t... |
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| Dec-03-12 | | fokers13: <David2009> found it completely on my own,i opted not to go for a spectacular attack but rather hope for a won endgame. Rae1-Nfd7
fxg6-hxg6
Bh5-Bf6
Bxd4-Rxd4
Nxf7!-Rxe1
Rxe1-Bd4+
Kh1-Qf6
Qxg6-Qxg6
Bxg6-Bxb2
hopefully i didn't mess up the move sequence,
which position i had to put on houdini to get a whopping 1.1 eval(white does go on to win another pawn though,and hence my estimation as probably won). |
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Dec-03-12
 | | Oxspawn: Clever. I came here late and played gxh. Not so clever. |
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| Dec-03-12 | | Robin Gitte: <Oxspawn> Me too. Didn't work. Gave up. Too subtle for a Monday and no Queen sacrifice. |
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| Dec-03-12 | | David2009: T Binham vs P Horn, 1998 postscript:
Congratulations <foker13> for finding and posting the following fine win (starting at move 21) against Crafty End Game Trainer http://www.chessvideos.tv/endgame-t...: 21.Rae1 Nfd7 22.fxg6 hxg6 23.Bh5! Bf6 24.Bxe5 Rxe5 25.Nxf7! Rxe1 26.Rxe1 Bd4+ 27.Kh1 Qf6 28.Qxg6 Qxg6 29.Bxg6 Bxb2 when we reach
click for larger view
Winning this won ending is quite tricky. I eventually found a way by trial and error: here's a Crafty EGT link to the above position: http://www.chessvideos.tv/endgame-t.... There are many false trails! - enjoy exploring the possibilities. |
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| Dec-03-12 | | TheBish: T Binham vs P Horn, 1998 White to play (24.?) "Very Easy"
This is a good one for my students.
24. Rxf7+! Nxf7 25. g7#.
Interesting that the key move forces open two lines: The e-file and the a1-h8 diagonal, allowing a simple checkmate. A great example of looking for forced moves first. |
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| Dec-03-12 | | Marmot PFL: This was tricky. I would play 24 Rxe5. |
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| Dec-03-12 | | M.Hassan: White has lost a Queen for a Bishop and a pawn
24.Rxf7+ Nxf7 (forced)
25.g7#
Very neat |
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| Dec-03-12 | | stst: Tue-R-sac:
24.RxP+ NxR
25.g7#
All forced, clear-cut. |
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| Dec-04-12 | | peteg000: Where did Black go wrong in this game? |
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| Dec-04-12 | | shivasuri4: <peteg000>, Black's opening was very passive. 6...e5, 10...Ne5, 11...Bxe2 all appear to be improvements. |
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| Dec-04-12 | | fokers13: <David 2009> thanks for taking the time to post all those up as well as the compliment^^ |
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Kibitzing
sac: 23.fxg6