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New Year's resolution: a chess engine written in BASH script
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Ben Stoker



Joined: 19 Jan 2010
Posts: 342
PostPost subject: Re: New Year's resolution: a chess engine written in BASH sc    Posted: Tue Feb 02, 2010 8:08 pm Reply to topic Reply with quote
UncombedCoconut wrote:
I need to let go of this, but the bugs are embarrassing.
I have an update here.
Bugfix: moves from a8 weren't generated
Bugfix: knights could jump between board edges
Bugfix: slider pieces couldn't move past the e.p. target square
Bugfix: promotions weren't handled
Bugfix: some moves were inappropriately interpreted as castling
Bugfix: randomness was too large (I even wrote it right before posting. Whoops.)

BTW, I watched this novelty engine take out an unwary opponent last night. Laughing Thank you, Michel. I thought I'd never see that happen! The engine even faked (unsound but effective) tactical thought well enough to scare the dude away.

[d] 2kr3r/ppp2ppp/3b1q1n/5b2/Pn1p4/N2P1Q1P/1P2PPP1/R1B1KBNR w KQ - 3 13
This human has played 12. ... Nh6? and suffers
Code:
13. Bxh6 gxh6 14. e4 Bg6 15. Qxf6 1-0


One other thing. This is not as useless as you imply. This is a pedagogical chess engine. In my view, it's the best one because it's so absolutely basic. Extra comments to explain what's going on would be the final selling point.
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Subject Author Date/Time
New Year's resolution: a chess engine written in BASH script Ben Stoker Fri Jan 22, 2010 4:16 pm
      Re: New Year's resolution: a chess engine written in BASH sc Louis Zulli Fri Jan 22, 2010 5:40 pm
            Re: New Year's resolution: a chess engine written in BASH sc Louis Zulli Fri Jan 22, 2010 5:44 pm
                  Re: New Year's resolution: a chess engine written in BASH sc Ben Stoker Fri Jan 22, 2010 6:50 pm
      Re: New Year's resolution: a chess engine written in BASH sc H.G.Muller Fri Jan 22, 2010 6:57 pm
            Re: New Year's resolution: a chess engine written in BASH sc Michael Sherwin Fri Jan 22, 2010 7:12 pm
            Re: New Year's resolution: a chess engine written in BASH sc Ben Stoker Fri Jan 22, 2010 7:48 pm
                  Re: New Year's resolution: a chess engine written in BASH sc H.G.Muller Sat Jan 23, 2010 10:24 am
      Re: New Year's resolution: a chess engine written in BASH sc Don Dailey Fri Jan 22, 2010 9:46 pm
            Re: New Year's resolution: a chess engine written in BASH sc Louis Zulli Fri Jan 22, 2010 10:04 pm
                  Re: New Year's resolution: a chess engine written in BASH sc Dann Corbit Fri Jan 22, 2010 10:06 pm
      Re: New Year's resolution: a chess engine written in BASH sc Robert Hyatt Sat Jan 23, 2010 2:37 am
            Re: New Year's resolution: a chess engine written in BASH sc Greg Simpson Sat Jan 23, 2010 6:14 pm
            Re: New Year's resolution: a chess engine written in BASH sc Stuart Cracraft Wed Feb 03, 2010 4:00 am
      Re: New Year's resolution: a chess engine written in BASH sc Gregory Strong Sat Jan 23, 2010 8:17 pm
            Re: New Year's resolution: a chess engine written in BASH sc Edmund Moshammer Sat Jan 23, 2010 9:37 pm
                  Re: New Year's resolution: a chess engine written in BASH sc Gregory Strong Sat Jan 23, 2010 11:31 pm
                        Re: New Year's resolution: a chess engine written in BASH sc Edmund Moshammer Sun Jan 24, 2010 5:59 am
                              Re: New Year's resolution: a chess engine written in BASH sc Gregory Strong Sun Jan 24, 2010 5:29 pm
                              Re: New Year's resolution: a chess engine written in BASH sc Ian Osgood Fri Jan 29, 2010 8:46 am
      Re: New Year's resolution: a chess engine written in BASH sc Stuart Cracraft Sat Jan 23, 2010 9:00 pm
            Re: New Year's resolution: a chess engine written in BASH sc Matt Shoemaker Sun Jan 24, 2010 12:47 am
                  Re: New Year's resolution: a chess engine written in BASH sc Stuart Cracraft Wed Feb 03, 2010 3:56 am
                  Re: New Year's resolution: a chess engine written in BASH sc Don Dailey Thu Feb 04, 2010 2:45 pm
                        Re: New Year's resolution: a chess engine written in BASH sc Tord Romstad Thu Feb 04, 2010 7:10 pm
                              Re: New Year's resolution: a chess engine written in BASH sc Don Dailey Thu Feb 04, 2010 7:38 pm
                              Re: New Year's resolution: a chess engine written in BASH sc Matthew Hull Thu Feb 04, 2010 8:58 pm
                                    Re: New Year's resolution: a chess engine written in BASH sc William H. Rogers Fri Feb 05, 2010 12:47 am
                                          Re: New Year's resolution: a chess engine written in BASH sc Don Dailey Fri Feb 05, 2010 12:53 am
                                          Re: New Year's resolution: a chess engine written in BASH sc Matt Shoemaker Fri Feb 05, 2010 3:48 am
                                                Re: New Year's resolution: a chess engine written in BASH sc William H. Rogers Sat Feb 06, 2010 2:14 am
                                                      Re: New Year's resolution: a chess engine written in BASH sc Don Dailey Sat Feb 06, 2010 2:54 pm
                                                      Re: New Year's resolution: a chess engine written in BASH sc Don Dailey Sat Feb 06, 2010 3:23 pm
                                                            Re: New Year's resolution: a chess engine written in BASH sc Luca Hemmerich Sun Feb 07, 2010 6:50 pm
                                                                  Re: New Year's resolution: a chess engine written in BASH sc Justin Blanchard Sun Feb 07, 2010 11:10 pm
            Re: New Year's resolution: a chess engine written in BASH sc Karatorian Sun Feb 14, 2010 4:49 am
                  Re: New Year's resolution: a chess engine written in BASH sc Matt Shoemaker Sun Feb 14, 2010 8:24 am
                  Re: New Year's resolution: a chess engine written in BASH sc Aaron Becker Sun Feb 14, 2010 10:44 am
      Re: New Year's resolution: a chess engine written in BASH sc Dann Corbit Mon Jan 25, 2010 7:45 pm
      Re: New Year's resolution: a chess engine written in BASH sc Justin Blanchard Sat Jan 30, 2010 12:51 am
            Re: New Year's resolution: a chess engine written in BASH sc Justin Blanchard Sun Jan 31, 2010 9:43 am
                  Re: New Year's resolution: a chess engine written in BASH sc Don Dailey Sun Jan 31, 2010 1:50 pm
                        Re: New Year's resolution: a chess engine written in BASH sc Justin Blanchard Sun Jan 31, 2010 10:42 pm
                              Re: New Year's resolution: a chess engine written in BASH sc Michel Van den Bergh Sun Jan 31, 2010 11:09 pm
                                    Re: New Year's resolution: a chess engine written in BASH sc J. Wesley Cleveland Sun Jan 31, 2010 11:19 pm
                                    Re: New Year's resolution: a chess engine written in BASH sc Justin Blanchard Sun Jan 31, 2010 11:36 pm
                                          Re: New Year's resolution: a chess engine written in BASH sc Matt Shoemaker Mon Feb 01, 2010 12:22 am
                                          Re: New Year's resolution: a chess engine written in BASH sc Michel Van den Bergh Mon Feb 01, 2010 12:35 am
                                                Re: New Year's resolution: a chess engine written in BASH sc Don Dailey Mon Feb 01, 2010 12:49 am
                                                Re: New Year's resolution: a chess engine written in BASH sc Justin Blanchard Mon Feb 01, 2010 12:51 am
                                                      Re: New Year's resolution: a chess engine written in BASH sc Michel Van den Bergh Mon Feb 01, 2010 1:01 am
                                                            Re: New Year's resolution: a chess engine written in BASH sc Justin Blanchard Mon Feb 01, 2010 1:05 am
                                                                  Re: New Year's resolution: a chess engine written in BASH sc Justin Blanchard Mon Feb 01, 2010 1:40 am
                                                                        Re: New Year's resolution: a chess engine written in BASH sc Michel Van den Bergh Mon Feb 01, 2010 1:56 am
                                                                              Re: New Year's resolution: a chess engine written in BASH sc Justin Blanchard Tue Feb 02, 2010 12:24 pm
                                                                                    Re: New Year's resolution: a chess engine written in BASH sc Ben Stoker Tue Feb 02, 2010 8:05 pm
                                                                                          Re: New Year's resolution: a chess engine written in BASH sc Justin Blanchard Wed Feb 03, 2010 1:24 am
                                                                                    Re: New Year's resolution: a chess engine written in BASH sc Ben Stoker Tue Feb 02, 2010 8:08 pm
                              Re: New Year's resolution: a chess engine written in BASH sc Michel Van den Bergh Wed Feb 03, 2010 10:39 am
                                    Re: New Year's resolution: a chess engine written in BASH sc Justin Blanchard Wed Feb 03, 2010 10:49 am
                                          Re: New Year's resolution: a chess engine written in BASH sc Don Dailey Wed Feb 03, 2010 1:42 pm
                                                Re: New Year's resolution: a chess engine written in BASH sc Ben Stoker Wed Feb 03, 2010 2:30 pm
                                                Re: New Year's resolution: a chess engine written in BASH sc Justin Blanchard Wed Feb 03, 2010 11:36 pm
                                                      Re: New Year's resolution: a chess engine written in BASH sc Michel Van den Bergh Thu Feb 04, 2010 8:16 am
      Re: New Year's resolution: a chess engine written in BASH sc Fred Hamilton Thu Feb 04, 2010 3:33 pm
            Re: New Year's resolution: a chess engine written in BASH sc Edmund Moshammer Thu Feb 04, 2010 3:59 pm
                  Re: New Year's resolution: a chess engine written in BASH sc Fred Hamilton Thu Feb 04, 2010 4:04 pm
                        Re: New Year's resolution: a chess engine written in BASH sc Edmund Moshammer Thu Feb 04, 2010 4:26 pm
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