Answers.Body: <p>Stockfish 10 of lichess @ depth 74 says it's draw. Only if you can give more details about the version of Stockfish you used</p>
  
  <p><a href="https://i.sstatic.net/d9pl0.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/d9pl0.png" alt="enter image description here"></a></p>
  
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Answers.CreationDate: 2019-04-15T18:57:53.373Z
Answers.Text: See edit, please.
Answers.UserDisplayName: Jossie Calderon
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Answers.CreationDate: 2019-04-16T08:14:34.820Z
Answers.Text: I agree with Intertial Ignorance [answer](https://chess.stackexchange.com/a/24230/18143) in this case. Stockfish just couldn't find a forced win so he do a simple material comparaison and by the looks of it, black is completely winning. If you try to follow to main lines you'll see that it never shows in # (mate) in x moves always a material advantage.
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Answers.Body: <p>Mmm that's not mate in 54, just a -52.40 evaluation (equivalent of being "52.4 pawns" down).</p>
  
  <p>The engine is calculating far ahead and can't find a forced win, but sees Black's up a pawn and knight so it evaluates based off that. I'm surprised the engine wasn't smart enough to evaluate as a draw though, especially if you're using current Stockfish?</p>
  
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Answers.UserDisplayName: Inertial Ignorance
Body: <p>Sam Loyd, 1860 </p>
  
  <pre><code>[fen "8/8/8/8/B6n/7p/6k1/4K3 w - - 0 1"]
  
  1.Bd7!! h2 2.Bc6 Kg1 3.Bh1!! Kxh1 4.Kf2.
  </code></pre>
  
  <p>(Ke1, Ba4; Kg2, Nh4, h3) says mate in 54  after 1.Bd7!! h2 2.Bc6 Kg1 3.Bh1!! Kxh1 4.Kf2.</p>
  
  <p>This is a textbook draw, as the king is on the same square as the knight (with Black to move). For example, in some moment 1...Nf4+ 2.Kf1 Ng3+ 3.Kf2 Ne2 4.Kf1. (No. 205, BCE. Fine.)</p>
  
  <p>Mate in 54? What's up with that?</p>
  
  <p><img src="https://i.sstatic.net/7gLoa.jpg" alt="enter image description here"></p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2019-04-15T21:12:14.373Z
Comments.Text: Why is the knight on a different square, and where is it saying mate in 54?
Comments.UserDisplayName: Herb
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Comments.CreationDate: 2019-04-15T22:22:15.483Z
Comments.Text: Stockfish returns a draw score in both your screenshot and the original game pgn.
Comments.UserDisplayName: konsolas
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2019-04-16T10:03:01.757Z
Comments.Text: Its only mate when the analysis evaluation is prefixed with a `#`, as in `#3` for white or `#-3` for black
Comments.UserDisplayName: Isac
Tags: <stockfish>
Title: Stockfish 9 giving erroneous reading
ThreadText: # Stockfish 9 giving erroneous reading
  
  (Asked by: username_0 on 2019-04-15)
  
  Sam Loyd, 1860 
  [fen "8/8/8/8/B6n/7p/6k1/4K3 w - - 0 1"]
  
  1.Bd7!! h2 2.Bc6 Kg1 3.Bh1!! Kxh1 4.Kf2.
  
  (Ke1, Ba4; Kg2, Nh4, h3) says mate in 54  after 1.Bd7!! h2 2.Bc6 Kg1 3.Bh1!! Kxh1 4.Kf2.
  This is a textbook draw, as the king is on the same square as the knight (with Black to move). For example, in some moment 1...Nf4+ 2.Kf1 Ng3+ 3.Kf2 Ne2 4.Kf1. (No. 205, BCE. Fine.)
  Mate in 54? What's up with that?
  
  **Tags:** stockfish
  
  > **Comments:**
  > **username_1**: Why is the knight on a different square, and where is it saying mate in 54?  
  > **username_2**: Stockfish returns a draw score in both your screenshot and the original game pgn.  
  > **username_3**: Its only mate when the analysis evaluation is prefixed with a `#`, as in `#3` for white or `#-3` for black  
  
  ---
  
  ## 2 answers
  
  ### Answer by username_4 on 2019-04-15. Score: 4
  
  Stockfish 10 of lichess @ depth 74 says it's draw. Only if you can give more details about the version of Stockfish you used
  
  [![enter image description here](https://i.sstatic.net/d9pl0.png)](https://i.sstatic.net/d9pl0.png)
  
  > **Comments:**
  > **username_0**: See edit, please.  
  > **username_4**: I agree with Intertial Ignorance [answer](https://chess.stackexchange.com/a/24230/18143) in this case. Stockfish just couldn't find a forced win so he do a simple material comparaison and by the looks of it, black is completely winning. If you try to follow to main lines you'll see that it never shows in # (mate) in x moves always a material advantage.  
  
  ---
  
  ### Answer by username_5 on 2019-04-16. Score: 2
  
  Mmm that's not mate in 54, just a -52.40 evaluation (equivalent of being "52.4 pawns" down).
  
  The engine is calculating far ahead and can't find a forced win, but sees Black's up a pawn and knight so it evaluates based off that. I'm surprised the engine wasn't smart enough to evaluate as a draw though, especially if you're using current Stockfish?
  
  
  ---
  
  