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| Apr-05-07 | | vibes43: <Counterpoint Perhaps the point of today's puzzle is to see beyond the obvious Nxe6 (i.e. to refute Nxe6)>.
Sorry to say, I didn't see beyond the obvious. I was thinking it may be easy for Thursday. Shoulda checked further. |
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| Apr-05-07 | | gambitfan: Puzzle of the Day Thu 05/05/2007 |
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| Apr-05-07 | | elLocoEvans: Convenient annotation <gambitfan>, for all future cg kibitzers. |
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| Apr-05-07 | | gambitfan: 20. ♘xf7 is not a bad move either, is it ? After 20. ... ♖xf7 we have 21. ♖xf7 ♔xf7 22. ♖af1+ ... |
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| Apr-05-07 | | gambitfan: Why 9. ♔h1 ?? Isn't it a waste of time ?? There is no threat on the diagonal g1-a7 |
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| Apr-05-07 | | goldfarbdj: I missed this one, but in a peculiar way: I saw 20. Qh3 h6, but I thought white was going to follow up with 21. Ndxe6. My analysis ran like this: 21. ... fxe6 22. Qxe6+ Kh8 23. Qg6 Nf6 24. exf6 gxf6 25. Qxh6+ Kg8 26. Ne6, when white wins the exchange and has a winning attack to boot. But black can improve with 23. ... hxg5 24. Rh3+ Kg8 (I forgot the knight was off the board, so that 25. Qh7 is check, not mate) 25. Qh7+ Kf7 26. e6+ Kxe6 27. Qxg7, which is unclear. More importantly, black can improve with 21. ... Qxe5 instead of 21. ... fxe6; after 22. Nxf8 Rxf8, the knight on g5 is lost. Sigh. |
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| Apr-05-07 | | MostlyAverageJoe: Based on today's puzzle with apparently quite many reasonable moves, below is my prediction for the Sunday puzzle. Find the best move for the white:
click for larger view1.? |
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| Apr-05-07 | | ahmadov: <MostlyAverageJoe: Based on today's puzzle with apparently quite many reasonable moves, below is my prediction for the Sunday puzzle.
Find the best move for the white:> Isn't it 1.Nh3? LOL
But to be more serious, I think <cg> had certain reasons to post the position above as a puzzle... |
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Apr-05-07
 | | Honza Cervenka: I guess that the main point of this puzzle is to avoid tempting 20.Ngxe6?? In normal game I would be playing probably 20.Raf1 with idea 20...Nxe5 21.Ngxe6! fxe6 22.Rxf8+ Rxf8 23.Rxf8+ Kxf8 24.Nxe6+ and 25.Nxc7 or 20...Qxe5 21.Qh4 where black cannot defend both h7 and f7. As it was a puzzle, I have started to calculate 20.Nxh7 and found out that it works well. 20.Qh3 did not cross my mind. |
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| Apr-05-07 | | latebishop: I tried to find a different way with: 20.N(d4)xe6 fxe6 [if 20...Qxe5 simply 21.Nxf8] 21.Qh3 h6 [ 21...Rxf3 22.Qxh7+ Kf8 23.Nxe6+ and 24.Nxc7 etc] 22.Qxe6+ Kh8 23.Rh3 threatening 24.Rxh6+ gxh6 25.Qxh6+ Kg8 26.Qh7++. Does anyone see any merits in this idea? |
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| Apr-05-07 | | outplayer: This opening is hard to understand. 20.Qh3! is great. |
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| Apr-05-07 | | tbentley: <MostlyAverageJoe>It's obviously 1. Na3. White has a 100% winning percentage in this database. Of course Fischer thought it was 1. e4. Yes, it's 1. e4! f5 2. exf5! g5 3. Qh5#! |
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| Apr-05-07 | | Marmot PFL: I like the line with 20Nxh7 Kxh7 21.Qh4+ Kg8 22.Rh3 etc. cause it wins but not immediately. Let black suffer for a while. |
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| Apr-05-07 | | Jack Kerouac: Yes. 1 Na3....Also known as the Bush Opening. |
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| Apr-05-07 | | nateinstein: Put me in with the Nxh7 crowd. |
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| Apr-05-07 | | kevin86: I went the Nxe6 route. Black,of course,avoids the real damage by Qxe5. The actual solution is very unclear and ambiguous-more like a weekend puzzle. |
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| Apr-05-07 | | pggarner: What's wrong with 20.Ngxe6 fxe6 21.Nxe6, winning the black queen because of the threat of mate on g7? |
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| Apr-05-07 | | pggarner: Nevermind ... 21....Qxe5 saves the queen. |
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| Apr-05-07 | | jackpawn: In a five minutes game I would have played Nxh7 without giving it a second thought. I'm still not sure it isn't the most practical solution. |
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| Apr-05-07 | | MiCrooks: I too was one that quickly decided that Nxh7 was winning and ended my search. After being puzzled by the game move, I decided to drop it in Fritz to see what it would come up with. It's evaluationg may change a bit if I let it go longer, but based on what I am seeing right now there were two moves better than the one in the game. Fritz has Raf1, a natural sort of move as the best! (2.50) and gives Qxe5 21. Qh4 h6 22. Nxf7 Rxf7 23. Rxf7 Rf8 24. Qf2 Kh7 25. Rxf8 as the line. My move (and others I saw) is almost as good (2.28) with 20. Nxh7 Qxe5 21. Qh4 g6 22. Nxf8 Rxf8 23.Raf1 etc. The game move was at 1.56 for ever but finally popped up to (2.09) after getting 13 ply into it. Still it is listed as the third best move. Kind of makes it hard to use a problem doesn't it!? Maybe the people are right who conjecture that the idea is to avoid Nxe6, but that supposes that you start with the third best move in the first place! I think this problem needed to start at move 21. instead where finding Nxf7! instead of Nxe6? would have been a worth Thursday puzzle! Did someone at Chessgames just mess up on the move the puzzle was supposed to start on?! |
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Apr-05-07
 | | playground player: Nxh7 works for me, too. |
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| Apr-05-07 | | MiCrooks: Oh, and if you are looking for avoiding moves, finding 21. Nf5!! after 20. Nxh7 Kxh7?? which forces mate by allowing the e-pawn to eventually go to e6 cutting of the Black King's escape is a good one! The immediate Qh4+ would still win, but would give you a slightly worse position than either Raf1 or Qh3 as in the game. |
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| Apr-05-07 | | newton296: I question if the correct starting move here for a thursday puzzle would be around move 30 not 20? nice win for white here. especially for avoiding nxe6 as qxe5 for black saves the q and defends mate. If thursday puzzle is mate in 15, I cant wait for sundays puzzle! lol! |
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Apr-05-07
 | | fm avari viraf: Beliavsky had the advantage throughout the game & had many choices but the one he chose was enough to knock down his opponent convincingly. |
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| Apr-05-07 | | TommyC: I decided on 20.Nxh7 too, having quickly rejected any Nxe6 stuff. Since 20. Qh3 obliges 20...h6, which then allows 21.Nxf7, which also opens black up, I guess there's not much difference between the two. |
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