Search found 133 matches

by Dan Astrachan
Sat Jun 28, 2014 10:30 am
Forum: Computer Chess Club: General Topics
Topic: Does Sadler’s novelty 13..b6!! kill the Milner-Barry Gambit?
Replies: 8
Views: 2370

Re: Does Sadler’s novelty 13..b6!! kill the Milner-Barry Gam

I don't think the Milner-Barry has been very popular at the top levels, even before this game. Jon Apparently, with good reason! I tested various positions with a recent dev build of SF (Stockfish 240614 64 SSE4.2). First, I wanted to see what SF thought of 6.Bd3, which is where the position become...
by Dan Astrachan
Sat Mar 15, 2014 4:52 pm
Forum: Computer Chess Club: General Topics
Topic: Freeware program for analysis?
Replies: 15
Views: 5239

Re: Freeware program for analysis?

Hello, I am training a young player and need a database software with analysis feature. My first choice was Scid. Free, nice program but does not write to PGN files for some reason. Komodo can annotate games but sometimes send an error message and stops analyzing. My second choice was Arena. Again ...
by Dan Astrachan
Fri Mar 14, 2014 1:49 pm
Forum: Computer Chess Club: General Topics
Topic: SF question: Aronian/Mamedyarov game [Candidates 2014]
Replies: 3
Views: 1060

Re: SF question: Aronian/Mamedyarov game [Candidates 2014]

Thanks Vincent. I was pretty sure it had to do with a repetition of position. Still, an odd thing for such a strong engine ;)
by Dan Astrachan
Fri Mar 14, 2014 1:41 pm
Forum: Computer Chess Club: General Topics
Topic: SF question: Aronian/Mamedyarov game [Candidates 2014]
Replies: 3
Views: 1060

SF question: Aronian/Mamedyarov game [Candidates 2014]

I was browsing the Candidates games today when something drew my attention in the Aronian Vs Mamedyarov game. Here is the complete game: [pgn]1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 Nbd7 6. cxd5 exd5 7. Nd2 c6 8. e3 Nf8 9. Bd3 Ng6 10. O-O O-O 11. f4 h6 12. Bxf6 Qxf6 13. f5 Ne7 14. Nde4 dxe4 1...
by Dan Astrachan
Thu Mar 13, 2014 5:08 pm
Forum: Computer Chess Club: General Topics
Topic: Freeware program for analysis?
Replies: 15
Views: 5239

Re: Freeware program for analysis?

Hello, I am training a young player and need a database software with analysis feature. My first choice was Scid. Free, nice program but does not write to PGN files for some reason. Komodo can annotate games but sometimes send an error message and stops analyzing. My second choice was Arena. Again ...
by Dan Astrachan
Tue Feb 25, 2014 9:48 am
Forum: Computer Chess Club: General Topics
Topic: test postion: Pinkovetsky-Fischer, WC/27 final ICCF 2011
Replies: 10
Views: 1682

Re: test postion: Pinkovetsky-Fischer, WC/27 final ICCF 2011

On my computer: SF4 (latest build): 27 seconds Fire 3.0: 73 seconds Critter 1.6a: 9 seconds Which position? The latest SF solves the first in 2 seconds here: info depth 20 seldepth 35 score cp 188 nodes 11276385 nps 5137305 time 2195 multipv 1 pv f5f6 g7g6 h5g7 d6c6 e4e2 c5f8 g5h6 f8d6 h4h5 g6h5 e2...
by Dan Astrachan
Mon Feb 24, 2014 8:54 pm
Forum: Computer Chess Club: General Topics
Topic: test postion: Pinkovetsky-Fischer, WC/27 final ICCF 2011
Replies: 10
Views: 1682

Re: test postion: Pinkovetsky-Fischer, WC/27 final ICCF 2011

On my computer:

SF4 (latest build): 27 seconds
Fire 3.0: 73 seconds
Critter 1.6a: 9 seconds
by Dan Astrachan
Wed Jan 22, 2014 4:32 pm
Forum: Computer Chess Club: General Topics
Topic: Test position: beautiful positional sacrifice
Replies: 29
Views: 4691

Re: Test position: beautiful positional sacrifice

Based on short analysis, less than 10...Rb8, it's White's 18.Na5 that decided the game: SF's eval drops by almost a full point after that move ;)
by Dan Astrachan
Fri Jul 12, 2013 1:07 pm
Forum: Computer Chess Club: General Topics
Topic: Draw by stalemate (Campbell, easy position for engines).
Replies: 6
Views: 2062

Re: Draw by stalemate (Campbell, easy position for engines).

Critter 1.6 only took 3 seconds to detect it on my laptop:

Code: Select all

 16/40+	00:03	   9 976 097	3 351 057	-7,05	1.Bd2 h2 2.Ba5 h1Q 3.b4 Qh7
 16/40	00:03	   9 990 618	3 239 500	 0,00	1.Bd2 h2 2.Ba5 h1Q 3.b4 Qh7
by Dan Astrachan
Thu Jun 27, 2013 7:25 am
Forum: Computer Chess Club: General Topics
Topic: Test Position: A line-opening king move
Replies: 13
Views: 1747

Re: Test Position: A line-opening king move

[D]rn1q1rk1/ppp2pp1/6p1/6b1/2BPp1P1/2P5/P1P2P2/R1BQK2R w KQ - 0 14 Critter 1.6a, 4-Gb hash, 7 hours and 17 minutes of search time, depth 31 Bm : Ke2 , eval: 0.68 [pgn][FEN "rn1q1rk1/ppp2pp1/6p1/6b1/2BPp1P1/2P5/P1P2P2/R1BQK2R w KQ - 0 14"]14.Ke2 Nc6 15.Qg1 Na5 16.Qh2 Bh4 17.Bb3 Nxb3 18.axb3 g5 19.Bxg...