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Later Kibitzing> |
| Sep-03-09 | | Athamas: Didn't spend long on this one today, but I think I got it. Even material but white has a massive attack that should win material quickly. The only line I looked at was 37. Rxf7 Nxf7
If Kxf7? Bh5+ wins the game
38. Ne6+ Ke8 (forced)
39. Bxb5 Rxb5 (forced)
40. Nxc7+
Black king has three squares to move to, I think only one really makes sense 40...Kd7 41. Nxb5
White is easily winning this position. |
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| Sep-03-09 | | Athamas: Also forgot to mention declining the rook ends in checkmate as well after the knight moves to e6 with check and the rook slides over. |
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| Sep-03-09 | | thegoldenband: <Athamas> Hmmm, I don't yet see the win after 37...Kxf7 38. Bh5+ Ng6. |
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| Sep-03-09 | | dzechiel: I went down the wrong path tonight, my analysis is not worth posting. Take my word for it. <sigh> |
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| Sep-03-09 | | gofer: I looked at Ne6+ but after a few minutes realised that
Rxf7+ was much neater...
37 Rxf7+
37 ... Ke8 38 Re7+ Kd8 39 Ne6+ Kc8 40 Rxc7#
37 ... Kxf7 38 Rg7+ mating as above with Rxc7# or very similarly with Rg7# depending on which way the king runs... 37 ... Nxf7
38 Ne6+ Ke8 (forced)
39 Bxb5+ Rxb5 (forced as c6 allows Bxc6#)
40 Nxc7+ Kd8
41 Nxb5 winning
Now there may be something far more elegant, but a win is a win! :-)
Time to check |
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| Sep-03-09 | | Athamas: Ah you are right, Bh5 is terrible.
The right continuation is Rg7+ and you mate with Nh5 if he takes the pawn. Otherwise it leads to the other mate with the knight on e6 |
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| Sep-03-09 | | urtley: dzechiel - for quite some time, yours are the only comments I read when failing to find the solution to these puzzles. Although today you did not post in depth, I still wanted to say keep up the good work. |
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Sep-03-09
 | | An Englishman: Good Evening: Oh, well, it was the wrong path, but 37.Bxb5,Rxb5; 38.Ne6+,fxe6; 39.Rxc7,Rb8; 40.fxe6 doesn't look too horrible for a mistaken line. |
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| Sep-03-09 | | BlackWaive: Difficult to find a candidate move, suggesting a sharp tactical line. However I only looked at 37. Ne6+. |
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| Sep-03-09 | | zooter: 37.Ne6+ fxe6 38.fxe6 seems to be a win for white...though I don't see any tactics here... |
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| Sep-03-09 | | Manic: I missed playing Bxb5+ first before Nxc7. Should have thought a bit longer. |
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| Sep-03-09 | | zooter: zooter: I didn't even consider 37.Rxf7+
Also, it's important to see the line 37...Kxf7 38.Rg7+ and
a) 38...Ke8 39.Re7+ Kf8/d8 40.Ne6+ followed by a rook+knight mate on g7/c7 b) 38...Kf8 39.Ne6+ Ke8 40.Re7#
c) 38...Kxf6 30.Nh5#
Amazing mates with the knight and rook should be noticed in these sequences to fully claim the point |
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| Sep-03-09 | | RandomVisitor: Looks like white could have won earlier:
34.Ne6+ Ke8 35.Bh5  or perhaps
36.Ne6+ fxe6 37.fxe6
19.Rxg7! |
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| Sep-03-09 | | Athamas: Hmm, can you expand on your 19th and 36th moves RandomVisitor? I definitely see the continuation on the 34th move as easily winning, but not so much on the other 2. 37...Bg6 seems to keep the position together if still facing 2 strong passed pawns. And I see the idea for the 19th move, but isn't simply BxN saving the queen? Or is there another idea I'm missing here? Anyway, if you could help me understand those I'd appreciate it |
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| Sep-03-09 | | goldfarbdj: Missed it utterly. I looked initially at Rxf7+, but dismissed it after Nxf7. I looked some later at Ne6+ but couldn't see anything there; I never went back to look at Rxf7+ followed by Ne6+. (I believe dzechiel is a couple hundred points higher-rated than me; but it surprises me how often his thoughts and experiences on the puzzles tend to parallel mine.) |
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| Sep-03-09 | | RandomVisitor: <Athamas>This is a quick computer run of those lines: <After 19.Rxg7:>
click for larger view Rybka 3:
[+3.22] d=13 19...Bxd5 20.h4 f6 21.cxd5 b6 22.Bb5 Ra7 23.Rhg1 Rf8 [+4.27] d=13 19...Rf8 20.Nf6 Qh4 21.Nxh7
[+4.58] d=13 19...Re8 20.Nf6 Qh4 21.Rxf7 b6
<After 36.Ne6+ fxe6 37.fxe6:> 
click for larger view Rybka 3:
[+3.93] d=12 37...Bf7 38.exf7 b4 39.Kd5 Nxf7 40.Bh5 Ne5 41.Rxc7 Ng6 42.Kxd6 Rb6+ 43.Kc5 Rb8 44.Rd3 Nf4 45.Rf7+ Kg8 [+4.74] d=11 37...Bg6 38.cxb5 c6 39.h5 Bf7 40.Bc4 c5+ 41.Kc3 Bg6 42.hxg6 [+4.83] d=11 37...c5+ 38.Kd5 Bf7 39.cxb5 Bg6 40.h5 Bf7 41.Kxd6 Rb6+ 42.Kxe5 Rxe6+ |
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| Sep-03-09 | | dzechiel: <An Englishman: Good Evening: Oh, well, it was the wrong path, but 37.Bxb5,Rxb5; 38.Ne6+,fxe6; 39.Rxc7,Rb8; 40.fxe6 doesn't look too horrible for a mistaken line.> OK, I take it back. <An Englishman> posted my main line just as if he was sitting next to me. Perhaps it wasn't that bad after all (although I think I had 39 fxe6, I think the line above is better). |
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| Sep-03-09 | | gmalino: Hello guys,
I see that 20% of the posts are about the "wrong" line I also choose.
So after 37. Nxe6+ fxe6 38. fxe6 there is not that much to do for white, the air is out. For example:
1) 38.. Bxe2 39.e7+ Ke8 40.Rg8+ Rxg8 41.Rg8+ Kd7 42. Rxb8
would be good for white because of the almost queened pawn and rook vs. bishop and knight endgame. BUT there also is 2) 38.. Bxe2 39.e7+ Ke8 40.Rg8+ Kd7 41.???? Nothing more to do for white. White can't queen a pawn, the rook on g8 is threatened, white is a bishop and a knight down, this is a really lost game.
So if you don't see 40.Kd7 (as I did) you choose the wrong path and are kicked of the board. Always the same problem with that much tactics in a situation. You must find the best defense if you want to be sure you can win the attack and the game. just looking, feeling and playing oftenly results in games were you run against the wall and are left with nothing more than a lost endgame and the feeling that YOU, not you're Karpov-style playing opponent did really play the game and make it interesting. But who cares about it? You lost Karpov won. Is somebody familiar to this situation? I guess yes.
Have a nice day. |
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| Sep-03-09 | | newzild: I'm back from an extended vacation and happy to say that I managed to get today's puzzle. Dzechiel - there's been plenty of times I've missed it and you haven't. It happens to all of us! |
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| Sep-03-09 | | newzild: One bad thing about a vacation is that I've been taking a hammering on chesscube.com and facebook chess since I got back. Anybody else noticed their rating drop by 200 points after 3 weeks away? |
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| Sep-03-09 | | remolino: 37. Ne6 shoud be the answer. Took me 30 seconds.
Time to check. |
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| Sep-03-09 | | remolino: Wow. Not 37. Nxe6 (???). This is Friday or Saturday difficulty. |
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| Sep-03-09 | | whiteshark: Completely wrong today. :( |
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| Sep-03-09 | | Deji: I feel a bit disappointed. I got the moves right but wrong order. |
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| Sep-03-09 | | lost in space: I saw
37. Rxf7 Nxf7
(37...Kxf7? 38. Bh5+ Kf8 39. Ne6#)
38. Ne6+ Ke8 39. Bxb5+ Rxb5 40. Nxc7 Kd8 41. Nxb5 and white is up to pawns. Why ever it took me a while to find 39. Bxb5+. I thought I had to continue with 39. Nxc7+, but there was no white win. |
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Kibitzing
sac: 37.Rxf7+