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May-23-12
 | | gawain: Oh my! That's brilliant. Famous though it may be, I have never seen this position before. I jumped to the wrong conclusion. Obviously White secures a draw by 83 Nb3. It did not occur to me that White could hope to win. |
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May-23-12
 | | Honza Cervenka: It reminds me this:
click for larger viewWhite to move wins. |
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May-23-12
 | | Jimfromprovidence: I'm interested in the position after 75...Nxf6?
click for larger viewThis is the losing move as the tablebases tell us.
So, is 75...Kf7 any better?
click for larger viewThe only way black can save this game is to win the f pawn and trade off the knights. I do not believe white can ever gain the opposition if it's just the two kings and white's a pawn left, so black has to try 75...Kf7 here. |
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May-23-12
 | | kevin86: I easily saw the win for black since the knight alone couldn't win and the pawn could BUT NO!!!!! It was white who would win and in three moves!
83  d3  a1 84 c1 a2 85 b3#
The magic of chess! |
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May-23-12
 | | chrisowen: Finished farm in d3 ka1 84.nc1 one idea it quick in b3 mammoth rover you in having as bottled it down in three gift in horse takes f6 in gertrude goes king across in gentle prod for trap in e3 b2 and investigate north in corner it's a giggle in mull it mate in eight starting by kingf4 and the race in plugging it glee in comic finish an king get incision it pick in dilemma knight crimp in bad call it good in go d3 ie clout it he intent 83.Nd3 Ka1 84.Nc1 in slowly it isnt fair to say many candidates log ins engine going see hack a f6 a bull it plough in came it true in wall why it further in trade son it hang in minus the a3 gives stalemate refresh in effect dig forth would into try it reverse in crick back see missed it good in low positional one in speedy it another in wailing banshee need in d3 c1 b3 ghosting delve in knight. |
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| May-23-12 | | TomOhio: I played the right first two moves thinking "just get the draw." Then, bing! |
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| May-23-12 | | BOSTER: Looking from his cage, where there is no any window to escape, black king should ask himself the question: who is responsible for such events? Maybe he was in hurry to move his pawn on a3, or maybe it was his own mistake when he took a2 pawn. What is interesting here, that the "c5" square is not the only one for knight to satisfy this puzzle: e5,f4,f2,e1, and even b2 are good too.
So,"c5" should not be so proud. |
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May-23-12
 | | SuperPatzer77: <ChessTTCamps> You gave us the truly amazing analysis of this game. See a very interesting diagram below:
click for larger viewSee two different lines (a & b) below:
a) Black to play (actual game) and lose - below:
83...a1, 84. c1! a2  , 85. b3#
b) White to play and win (if it is White's move)
1. b4+ a1, 2. c1! a2 , 3. c2#
<Kevin86> Yep, it is magic of the endgame!! SuperPatzer77 |
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May-23-12
 | | lionel15: I never realized, this ending was from a real game. To me it was just a chess problem |
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| May-23-12 | | chicagotim: Whats preventing stalemate if black plays 83...a4? |
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| May-23-12 | | EXIDE: Difficult !! Not a Tuesday puzzle. Got it after playing it out on a board and several wrong moves that lead to draws. |
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May-23-12
 | | dzechiel: White to move (83?). White has a knight for a pawn. "Medium/Easy." Most of the time when you see a position like this, your first thought is, "This is drawn." But a careful look at the position reveals that black can easily be put in zugzwang, allowing white to administer checkmate. Here goes... 83 Nd3 Ka1
Black has no other legal move.
84 Nc1 a2
Black, in zugzwang, must take his turn.
85 Nb3#
Now I gotta see how this position came to be. Time to check. |
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May-23-12
| | dzechiel: <chicagotim: Whats preventing stalemate if black plays 83...a4?> Black pawns move down the board. |
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| May-23-12 | | BOSTER: <dzechiel> <Most of the time when you see a position like this , your first thought is ,"This is a drawn". Not for <CG Puzzle>. They are not so naive to give such <POTD>. |
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| May-23-12 | | timothee3331: <Honza> It's a beautiful problem, from Trotski if I'm not mistaken. It goes 1.Bd5+ Ng2 2.Ba8! h3 3.Kb7! and the kings just marches the stairs down ! |
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| May-23-12 | | timothee3331: And once you have your king on f2, Ng3 mate ! |
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May-23-12
 | | Patriot: A very interesting problem! It took me several minutes to come up with 83.Nd3 Ka1 84.Nc1 a2 85.Nb3# This wouldn't be easy for me with only seconds left during a game. |
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| May-23-12 | | asiduodiego: Nice and instructive!. 83 Nd3 Ka1 84 Nc1!! and it's mate after 84 ... a2 85 Nb3#. The key in this position is using the Knight to cover a2, forcing the fatal advance of the pawn. |
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| May-23-12 | | 1stboard: After 82 moves as white I would have been happy to play 83 Nb3 for the stalemate ....... |
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May-23-12
 | | Tiggler: <<SuperPatzer77>: See two different lines (a & b) below: >
This analysis is v. important to know, but it does not show that the K&N can win whomever is to move in the puzzle position. Usually with N endings the problem of the N's inability to lose a move is important. Your examples do not mean it will always be a win when the K is trapped on the a or h file in front of his lone pawn, because if the K goes to its last rank and gets the pawn to its seventh in time, it will be stalemate unless the N can check on its next move. |
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May-23-12
 | | tcoxon39: I'm a dope. Could not figure this out and then I realized I had the board the wrong way. Was so confused as to why people were saying everything is forced, but now all is right with the world. |
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| May-24-12 | | gars: <LTJ> and all of you: I did not see how could White checkmate Black with only a Knight! A clear case of Chess Stupidity, of course! |
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May-24-12
| | Honza Cervenka: <timothee3331: <Honza> It's a beautiful problem, from Trotski if I'm not mistaken. It goes 1.Bd5+ Ng2 2.Ba8! h3 3.Kb7! and the kings just marches the stairs down !> Unfortunately, I don't know who is the author of this nice study as I have seen it only some 25 years ago from my friend, who gave it me as a puzzle to solve. Of course, final Knight checkmate on g3 after arrival of the King "down the stairs" to f2 was the reason of my deja vu feeling here. |
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| May-24-12 | | LoveThatJoker: <gars> You have nothing to feel stupid about. This is a tough puzzle - I have come across this and similar positions many times on chesstempo.com's endgame trainer feature. If you haven't seen it before, then the mating sequence is not as readily obvious. So don't feel bad, man! LTJ |
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| Jul-17-12 | | master of defence: 43.g8=Q doesn´t win more faster? |
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