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Jesus Nogueiras vs Maikel Gongora Reyes
"Wholly Knight" (game of the day Dec-25-05)
ch-CUB (2001)  ·  English Opening: King's English Variation. Reversed Sicilian (A21)  ·  1-0
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find similar games 3 more J Nogueiras/M Gongora Reyes games
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Kibitzer's Corner
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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.

Premium Chessgames Member
  SuperPatzer77: <ChessTTCamps> You gave us the truly amazing analysis of this game.

See a very interesting diagram below:

click for larger view

See 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!!


May-23-12  lionel15: I never realized, this ending was from a real game. To me it was just a chess problem
May-23-12  chicagotim: Whats preventing stalemate if black plays 83...a4?
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.
Premium Chessgames Member
  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.

Premium Chessgames Member
  dzechiel: <chicagotim: Whats preventing stalemate if black plays 83...a4?>

Black pawns move down the board.

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>.

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 !

May-23-12  timothee3331: And once you have your king on f2, Ng3 mate !
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.

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.
May-23-12  1stboard: After 82 moves as white I would have been happy to play 83 Nb3 for the stalemate .......
Premium Chessgames Member
  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.
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.
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!
Premium Chessgames Member
  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.

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'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!


Jul-17-12  master of defence: 43.g8=Q doesn´t win more faster?
Dec-23-13  solskytz: <Master of Defence> it looks dangerous to stay with nothing but a knight on g8, in view of ideas such as ...b4
Mar-03-14  syracrophy: <Honza> To solve this, one must get the conclusion that there will be no mate without the aid of the king! The only possibility for the king to get through is by always winning tempos (can't let the Black king get out of his cage!), and, how can the king accomplish that problematic task? Discovered checks is the way!

1.♗d5+ ♘g2 2.♗a8 h3 3.♔b7

click for larger view

Now watch him all his way down to f2!

3...♘~ 4.♔b6+ ♘g2 5.♔c6 ♘~ 6.♔c5+ ♘g2 7.♔d5 ♘~ 8.♔d4+ ♘g2 9.♔e4 ♘~ 10.♔e3+ ♘g2 11.♔f3

click for larger view

What a great difference on the position beggining from the 3rd move. Conclusion: the king activity/safety is part of everything!

11...♘e1+ 12.♔f2+ ♘g2 13.♘g3#

Mar-03-14  syracrophy: <timothee3331> My apologies for not having seen your solution. Only after publishing my tedious post I realized that someone solved it first!

Agree with you. A lovely scheme and puzzle. Must get to practice more of these "cracks".

May-10-15  thegoodanarchist: OMG this is a beautiful game by Nogy.
Premium Chessgames Member
  David2009: 75...Nxf6? was premature and a losing blunder:

click for larger view

instead 75...Nb6 seems to draw e.g. 76.Kg6 Nd7 77.Ng5+ Kd5 78.f7 Ne5+ 79.Kf5 Nxf7 80.Nxf7 Kc4 81.Ke4 Kc3 82.Ne5 Kb2 83.Kd3 Kxa2 84.Ka1 Nd3 85.a2 and the N is one move too late. Link:

Compare Bisguier vs A Matanovic, 1961

click for larger view

where 68...Nxh6? threw away the game.

Feb-07-16  kereru: You see similar endings in a lot of textbooks, but how often has mate with a single knight actually been pulled off in master play? Brilliant endgame play by Nogueiras by the way.
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