GM Mikhailo Oleksienko on using Chess Engines

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AdminX
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GM Mikhailo Oleksienko on using Chess Engines

Post by AdminX » Sun Oct 12, 2014 9:48 pm

GM Mikhailo Oleksienko on How to use chess engines.

Image

https://www.youtube.com/watch?v=N20YQZ7xmjE#t=85

[d]8/pR4pk/1b6/2p5/2p5/2N4P/PP1r2P1/6K1 w KQkq - 0 1
"Good decisions come from experience, and experience comes from bad decisions."
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Re: GM Mikhailo Oleksienko on using Chess Engines

Post by tomgdrums » Mon Oct 13, 2014 12:43 am

AdminX wrote:GM Mikhailo Oleksienko on How to use chess engines.

Image

https://www.youtube.com/watch?v=N20YQZ7xmjE#t=85

[d]8/pR4pk/1b6/2p5/2p5/2N4P/PP1r2P1/6K1 w KQkq - 0 1

Something about that video is fishy? First he gets on Houdini for calling Na4 a draw saying Houdini blunders but then he tells us it is a draw? Sure! Engines need time and are not infallible but I am not sold on what he is saying enough to attend his webinar. Besides I was always told to best way to analyze a game with an engine is to go backwards?

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Re: GM Mikhailo Oleksienko on using Chess Engines

Post by Ferdy » Mon Oct 13, 2014 4:52 am

FEN should be like below - no castling flags.
[d]8/pR4pk/1b6/2p5/2p5/2N4P/PP1r2P1/6K1 w - - 0 1

Code: Select all

Deuterium v14.3.34.96:
[...]
 21/41	00:03	   3,489,489	946,687	 0.00	1.Na4 Bd8 2.Rxa7 Bf6 3.Rb7 Bd4+ 4.Kh2 Be5+ 5.Kg1 Kg6 6.Rb5 Bd4+ 7.Kh2 Be5+ 8.Kg1
 22/30	00:05	   5,001,911	938,797	 0.00	1.Na4 Bd8 2.Rxa7 Bf6 3.Rb7 Bd4+ 4.Kh2 Be5+ 5.Kg1 Kg6 6.Rb5 Bd4+ 7.Kh2 Be5+ 8.Kg1
 23/32	00:07	   7,195,970	943,610	 0.00	1.Na4 Bd8 2.Rxa7 Bf6 3.Rb7 Bd4+ 4.Kh2 Be5+ 5.Kg1 Kg6 6.Rb5 Bd4+ 7.Kh2 Be5+ 8.Kg1
 24/35	00:36	  32,962,045	900,799	-0.30	1.a4
 24/38	01:14	  67,446,292	904,845	 0.00	1.a4 Kh6 2.Kf1 g5 3.Rb8 Rc2 4.Nd5 Rd2 5.Nc3
 25/33	01:21	  74,028,292	906,232	 0.00	1.a4 Kh6 2.Kf1 g5 3.Rb8 Rc2 4.Nd5 Rd2 5.Nc3
 26/39	01:42	  91,825,016	899,989	 0.00	1.a4 Kh6 2.Kf1 g5 3.Rb8 Rc2 4.Nd5 Rd2 5.Nc3
 27/36	02:00	 107,533,153	895,005	 0.00	1.a4 Kh6 2.Kf1 g5 3.Rb8 Rc2 4.Nd5 Rd2 5.Nc3
 28/42	03:04	 165,972,081	900,050	-0.11	1.a4 Kg6 2.Kf1 Kh6 3.Ne4 Rd1+ 4.Ke2 Rb1 5.a5 Bxa5 6.Nd6 Re1+ 7.Kf3 c3 8.bxc3 Bxc3 9.Rxa7 Kg6 10.g4 Rh1 11.Kg2 Ra1 12.Rxa1 Bxa1 13.Kf3 Be5 14.Nc4 Bd4 15.Ke4 Kf6 16.Kd5 g5

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Re: GM Mikhailo Oleksienko on using Chess Engines

Post by AdminX » Mon Oct 13, 2014 9:43 am

Yes Tom, that is why waited until after it was over to share. :wink: Note I did not attend the webinar, but I thought the subject however might be interesting to share.
"Good decisions come from experience, and experience comes from bad decisions."
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Re: GM Mikhailo Oleksienko on using Chess Engines

Post by AdminX » Mon Oct 13, 2014 9:48 am

Good catch Ferdinand, I used Analyze This to quickly recreate the position and grab the fen.
"Good decisions come from experience, and experience comes from bad decisions."
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Re: GM Mikhailo Oleksienko on using Chess Engines

Post by Ferdy » Mon Oct 13, 2014 9:58 am

AdminX wrote:Good catch Ferdinand, I used Analyze This to quickly recreate the position and grab the fen.
Deuterium current development version crashed in pgn master even in analyze this, so these gui's seem to not verify the castling rights too,
so I implemented now verifications of castling rights in my fen parser.

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