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Jesus Nogueiras vs Maikel Gongora Reyes
"Wholly Knight" (game of the day Jul-29-2018)
ch-CUB (2001), Las Tunas CUB, rd 12, Apr-14
English Opening: King's English Variation. Reversed Sicilian (A21)  ·  1-0
ANALYSIS [x]

FEN COPIED

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find similar games 3 more J Nogueiras/M Gongora Reyes games
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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 8 OF 8 ·  Later Kibitzing>
May-23-12
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
Premium Chessgames Member
  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!
May-24-12
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 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

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
Premium Chessgames Member
  thegoodanarchist: OMG this is a beautiful game by Nogy.
Jul-14-15  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: http://www.chessvideos.tv/endgame-t...

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.
Jul-29-18
Premium Chessgames Member
  andrewjsacks: Hippity hoppity Easter's on the way.
Jul-29-18  Ironmanth: Wow! Honestly did not see that coming; was in the throes of grumbling about "a boring game" when this one got really interesting! Fantastic play!
Jul-29-18  Cheapo by the Dozen: The engine is mightily confused about this one. Its evaluation after 58 moves calls this +5.30. But after the 59th moves, which match its recommended line, its evaluation changes to =0.00.
Jul-29-18
Premium Chessgames Member
  Check It Out: I remember when this was a POTD, unforgettable.
Jul-29-18
Premium Chessgames Member
  cormier:


click for larger view

Analysis by Houdini 4: d 24 dpa done

1. + / - (0.87): 28.Rxe8+ Qxe8 29.Qc3 Nd8 30.Qe3 Qxe3 31.Nxe3 Ne6 32.Nxf5 Nxf4 33.Nxh4 Kd7 34.Nf3 Ke6 35.a3 Kf5 36.g4+ Ke4 37.Ng5+ Ke5 38.Kh2 Ne2 39.Kg2 Nc1 40.Nf3+ Kf4 41.g5 Kf5 42.b4 Nd3 43.Kg3 c5 44.b5 Kg6

2. + / = (0.67): 28.b4 b6 29.a3 Kb7 30.b5 Nd8 31.Rxe8 Qxe8 32.Ne3 Kc8 33.Nxf5 Qe4 34.Nxh4 Qxc4 35.g4 Qxb5 36.Kg2 Ne6 37.f5 Nc5 38.Nf3 Ne4 39.Qc2 d5 40.h4 Qd7 41.Ng5 Nf6 42.Qd1 c5 43.Qf3 c4 44.h5 Qg7 45.Qf4 c3 46.Kf3 d4 47.Ne6 Qb7+ 48.Ke2

Jul-29-18
Premium Chessgames Member
  cormier:


click for larger view

Analysis by Houdini 4: d 22 dpa done

1. + / = (0.34): 25...a5 26.Qf2 Kb8 27.Re3 Qd4 28.Rfe1 Qc5 29.Qd2 Rhf8 30.Re6 a4 31.R6e3 Rg8 32.Qd3 Rdf8 33.bxa4 Na5 34.Rc1 Rf7 35.Qc3 Rfg7 36.Nf6 Rf8

2. + / = (0.39): 25...Rhg8 26.b4 Rge8 27.Rxe8 Rxe8 28.Re1 Qf7 29.Kh2 Nd8 30.Rxe8 Qxe8 31.Qd4 Qe4 32.Qxe4 fxe4 33.g4 Ne6 34.f5 Ng5 35.Kg2 Kd7 36.Kf2 Nxh3+ 37.Ke3 Ng5 38.Nf6+ Ke7 39.Nxe4 Nxe4 40.Kxe4 c5 41.bxc5 dxc5 42.g5 h3 43.Kf3 h2 44.Kg2 h1Q+ 45.Kxh1 b5 46.Kg2 bxc4 47.Kf2

Jul-29-18
Premium Chessgames Member
  cormier:


click for larger view

Analysis by Houdini 4: d 23 dpa done

1. = (0.16): 24...Ng6 25.Rae1 Rde8 26.Re3 Rhg8 27.Rfe1 Qf7 28.Nc3 Rxe3 29.Qxe3 c6 30.Rd1 Kc7 31.Qd4 Qe6 32.Kg1 Re8 33.Kh2 Kc8 34.Rd3 Kb8 35.Rd2 Qd7 36.b4 Re6 37.Rd1 Qc7 38.b5 c5 39.Qd2

2. + / = (0.37): 24...Nc6 25.Rae1 a5 26.Qf2 Kb8 27.Re3 Qd4 28.Rfe1 Rdg8 29.Kh2 Rf8 30.Kg1 Rfg8 31.Re6 Qg7 32.Kh1 Qd4 33.Qxd4 Nxd4 34.Re7 c6 35.Rd1 cxd5 36.Rxd4 dxc4 37.Rxc4 Rc8 38.Rxc8+ Rxc8 39.Rf7 Rc2 40.a4 Rf2 41.Rxf5 Kc7 42.Kg1

Jul-29-18
Premium Chessgames Member
  Breunor: I'm not getting why black played 75 ... Nxf6? It seemed like black had done a nice job tying the game up for the last few moves.

I'm guessing he didn't see how to defend at some point in the line.

Jul-29-18
Premium Chessgames Member
  perfidious: Lovely denouement.
Jul-29-18
Premium Chessgames Member
  OhioChessFan: The pun was crying to be used on Christmas Eve or Christmas.
Jul-29-18
Premium Chessgames Member
  OhioChessFan: <Breunor> if you look at Black to play at his 66th move:


click for larger view

He had to be thinking, "If I could just get my King ahead of the White King in a race to the a Pawn, I could hold this a Knight down".

9 moves later, at his 75th, Black's wish is true:


click for larger view

And I think he simply failed to see the Knight mate. I really believe if the 66th move hadn't come up like it did, he wouldn't have made the mistake 75...Nxf6. Or maybe he was just tired and messed up.

Jul-30-18
Premium Chessgames Member
  Breunor: Ohiochessfan,

I agree. Either he just got tired or he thought he had calculated the draw and missed the clever ending; these are the only logical conclusions.

Jul-30-18
Premium Chessgames Member
  sackman: After 75 Kg5 stockfish assesses this at = 0.00. After 75 ... Nxf6 the assessment is +132.79 (love that precision). Looks like 75 ... Nxf6 might have been a mistake... is this a record change in stockfish score for one move?
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