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endgame evaluation please

endgame evaluation please

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tvochess

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Hello,

my opponent just resigned after a mouse slip. He meant to play Rf6 in this position, but played Rf7, putting his rook en prise.

White to play (I'm black).



I thought it would be possible to draw this game, because white's queenside pawns are not enough advanced to promote without support. Either he uses his rook to support them, giving me some chances on the kingside, or he plays on the kingside and then I capture the queenside pawns.

What do you think? This is the whole game:

HikaruShindo

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I don't like you after Rf6. I think against a human, which is no guarantee on RHP, white should win by capturing the g6 pawn and running his queenside.

RJHinds
The Near Genius

Fort Gordon

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Originally posted by HikaruShindo
I don't like you after Rf6. I think against a human, which is no guarantee on RHP, white should win by capturing the g6 pawn and running his queenside.
But it will not be white's move after 37. Rf6. Black can reply 37...h4. White can't take or else he loses his rook. So...
38. Rxg6+ Kf7 39. Rf6+ Kg7 40. Rf3 h3! and Black has a passed pawn that is two moves away from a new queen.

Now it looks like Black has good drawing chances.

Like this:

tvochess

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Originally posted by RJHinds
But it will not be white's move after 37. Rf6. Black can reply 37...h4. White can't take or else he loses his rook. So...
38. Rxg6+ Kf7 39. Rf6+ Kg7 40. Rf3 h3! and Black has a passed pawn that is two moves away from a new queen.

Now it looks like Black has good drawing chances.

Like this:
[pgn]
[FEN "8/6k1/5Rp1/6Kp/1P6/P5P1/1r6/8 b - - "]
1. ...h4 2. Rxg6+ Kf7 3. Rf6+ Kg7 4. Rf3 h3 5. g4 h2 6. Rh3 Ra2 7. b5 Rxa3 8. Rxh2 Rb3
[/pgn]
RJ,

i think you missed gxh4.

Correction: i thought you missed gxh4.

vivify
rain

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Originally posted by tvochess
Hello,

my opponent just resigned after a mouse slip. He meant to play Rf6 in this position, but played Rf7, putting his rook en prise.

White to play (I'm black).

[fen]8/6k1/6p1/6Kp/1P6/P4RP1/1r6/8 b - - 3 37[/fen]

I thought it would be possible to draw this game, because white's queenside pawns are not enough advanced to promote without support. h2b2 34. Rf5f3 h5 35. Ke3f4 g6 36. Kf4g5 Kg8g7 37. Rf3f7 0-1
[/pgn]
At 18. Ba6b5, why didn't you capture white's night with yours, instead of moving your bishop? Seemed like a freebie.

tvochess

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That knight is defended by a bishop and the other knight. Of course, if he takes back with the other knight: Bxf1 wins the exchange.

vivify
rain

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I must be blind. I can't believe I didn't see white's night was defended. It's 5 a.m. in New York, and I haven't slept all night. This (I seriously hope) is probably why I didn't see the obvious.

q

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Originally posted by tvochess
Hello,

my opponent just resigned after a mouse slip. He meant to play Rf6 in this position, but played Rf7, putting his rook en prise.

White to play (I'm black).

[fen]8/6k1/6p1/6Kp/1P6/P4RP1/1r6/8 b - - 3 37[/fen]

I thought it would be possible to draw this game, because white's queenside pawns are not enough advanced to promote without support. h2b2 34. Rf5f3 h5 35. Ke3f4 g6 36. Kf4g5 Kg8g7 37. Rf3f7 0-1
[/pgn]
Rc3 instead of Rf6 seems quite promising

g4 Rg2
Rf4 may also give chances

My gut instinct tells me white must be winning

D

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RJHinds
The Near Genius

Fort Gordon

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The post that was quoted here has been removed
The move Rc3 instead of Rf6 has already been pointed out by queenabber and your reasoning seem to be the right one to me.

D

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RJHinds
The Near Genius

Fort Gordon

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The post that was quoted here has been removed
Well, I will agree with you that 37. Rc3 is the best move, however after 37...Kf7 I must agree with Queenabber's conclusion that it is only promising because he will be able to pick up both of Black's pawns while losing only one of his own. But if that one is White's king knight pawn on g3 Black still has good drawing chances with his King heading to the queen side and the White king out of play on the king side. However at this point, I can not see a clear win for White after my suggested move for Black. But clearly the pressure will be on Black to find all the best moves to draw.

D

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RJHinds
The Near Genius

Fort Gordon

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The post that was quoted here has been removed
Yes, I see what you mean. If White makes no errors he should win this ending. Your analyse pretty good. You surprised me.

P.S. I started playing chess during the Fischer - Spassky period and learned to record my moves with descriptive notation and stopped playing in 1982. Now that I am back playing and trying to use algebraic notation like everyone else, my mind still flickers back to the past at times. Sorry, if that irritates you.

tvochess

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Thx guys/girls for the analysis. I have a busy time right now, so will look back at this later.

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