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New 6-piece tablebases
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Ronald de Man



Joined: 28 Feb 2012
Posts: 1944

PostPost subject: New 6-piece tablebases    Posted: Mon Apr 01, 2013 10:03 pm Reply to topic Reply with quote

I have just released my tablebase generator for up to 6 pieces on github:
https://github.com/syzygy1/tb

It generates two sets of files:
- WDL files (extension: .rtbw) storing win/draw/loss information for access during search.
- DTZ files (extension: .rtbz) storing distance-to-zero information for access at the root.

In addition to win/draw/loss information, the WDL files also store whether the win or loss can be enforced within 50 moves.

The tables use custom compression. Total compressed size:
Code:
                       WDL          DTZ
up to 5 pieces       378 MB        561 MB
up to 6 pieces       68.3 GB       81.9 GB

Generation is done (almost) completely in RAM and is fully multithreaded. For 6 pieces, it requires a system with at least 32 GB of RAM. On my system (6-core i3930K @ 4.2Ghz, 64 GB) all 6-piece tables were generated in less than 5 days. At least for now the generator requires Linux and gcc.

Probing code is included, but it requires some work to add it to an engine. As a proof of concept I have adapted the probing code to Stockfish. The probing code is fully multithreaded as well.

My engine (playing on FICS as TrojanKnight(C)) has been using these tables since a couple of months quite successfully. With the WDL tables stored on SSD, it is possible to probe the tables at all depths without much slowdown (I don't probe in qsearch).

The license for the generator is GPLv2. The probing code is released without restrictions. So anyone wanting to add support for these tables to his/her engine is free to do so.
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Subject Author Date/Time
New 6-piece tablebases Ronald de Man Mon Apr 01, 2013 10:03 pm
      Re: New 6-piece tablebases Oscar Toledo G. Fri Apr 05, 2013 3:46 am
      Re: New 6-piece tablebases Lucas Braesch Fri Apr 05, 2013 5:14 am
            Re: New 6-piece tablebases Ronald de Man Fri Apr 05, 2013 7:09 pm
                  Re: New 6-piece tablebases Lucas Braesch Sat Apr 06, 2013 12:56 am
                        Re: New 6-piece tablebases Ronald de Man Sat Apr 06, 2013 2:57 am
                        Re: New 6-piece tablebases Don Dailey Sun Jun 16, 2013 1:04 pm
                              Re: New 6-piece tablebases Ronald de Man Sun Jun 16, 2013 1:43 pm
                                    Re: New 6-piece tablebases Don Dailey Sun Jun 16, 2013 2:23 pm
                                          Re: New 6-piece tablebases Ronald de Man Sun Jun 16, 2013 3:06 pm
                                                Re: New 6-piece tablebases Don Dailey Sun Jun 16, 2013 3:26 pm
                                                      Re: New 6-piece tablebases Ronald de Man Sun Jun 16, 2013 4:55 pm
                                                            Re: New 6-piece tablebases Don Dailey Sun Jun 16, 2013 6:19 pm
                                                                  Re: New 6-piece tablebases Ronald de Man Sun Jun 16, 2013 7:54 pm
                                                                        Re: New 6-piece tablebases Don Dailey Mon Jun 17, 2013 12:21 am
      Re: New 6-piece tablebases Martin Sedlak Fri Apr 05, 2013 8:01 am
            Re: New 6-piece tablebases Ronald de Man Fri Apr 05, 2013 8:00 pm
      Re: New 6-piece tablebases Richard Vida Fri Apr 05, 2013 11:57 am
            Re: New 6-piece tablebases Ronald de Man Fri Apr 05, 2013 9:03 pm
                  Re: New 6-piece tablebases Ahmed Mansoor Mon Aug 12, 2013 9:47 am
                        Re: New 6-piece tablebases Ahmed Mansoor Fri Aug 16, 2013 8:13 am
      Re: New 6-piece tablebases Álvaro Begué Fri Apr 05, 2013 2:11 pm
            Re: New 6-piece tablebases H.G.Muller Fri Apr 05, 2013 2:17 pm
      Re: New 6-piece tablebases Robert Houdart Sat Apr 06, 2013 3:25 pm
            Re: New 6-piece tablebases Daniel Shawul Sat Apr 06, 2013 4:02 pm
                  Re: New 6-piece tablebases Robert Houdart Sat Apr 06, 2013 5:54 pm
                        Re: New 6-piece tablebases Daniel Shawul Sat Apr 06, 2013 6:31 pm
                              Re: New 6-piece tablebases Robert Houdart Sat Apr 06, 2013 6:46 pm
                                    Re: New 6-piece tablebases Daniel Shawul Sat Apr 06, 2013 6:54 pm
                                          Re: New 6-piece tablebases Robert Houdart Sat Apr 06, 2013 11:04 pm
            Re: New 6-piece tablebases Ronald de Man Sat Apr 06, 2013 4:37 pm
                  Re: New 6-piece tablebases Robert Houdart Sat Apr 06, 2013 5:55 pm
      Re: New 6-piece tablebases Ronald de Man Sun Apr 07, 2013 11:19 pm
      Re: New 6-piece tablebases Joshua Shriver Mon Apr 08, 2013 2:51 pm
            Re: New 6-piece tablebases Ronald de Man Mon Apr 08, 2013 7:17 pm
                  Re: New 6-piece tablebases Joshua Shriver Mon Apr 08, 2013 7:22 pm
                        Re: New 6-piece tablebases Ronald de Man Mon Apr 08, 2013 8:19 pm
                        Re: New 6-piece tablebases Sven Schüle Mon Apr 08, 2013 8:34 pm
                              Re: New 6-piece tablebases Joshua Shriver Mon Apr 08, 2013 8:42 pm
                                    Re: New 6-piece tablebases Tano-Urayoan Russi Roman Thu Apr 11, 2013 5:27 pm
                                          Re: New 6-piece tablebases Joshua Shriver Fri Apr 12, 2013 12:28 am
                              Re: New 6-piece tablebases Ronald de Man Mon Apr 08, 2013 8:58 pm
                  Re: New 6-piece tablebases Joshua Shriver Mon Apr 08, 2013 7:23 pm
                        Re: New 6-piece tablebases Ronald de Man Mon Apr 08, 2013 8:27 pm
      Re: New 6-piece tablebases Joshua Shriver Tue Apr 09, 2013 4:45 am
            Re: New 6-piece tablebases Ronald de Man Tue Apr 09, 2013 7:40 am
            Re: New 6-piece tablebases Ronald de Man Tue Apr 09, 2013 8:04 am
            Re: New 6-piece tablebases Ronald de Man Wed Apr 10, 2013 12:29 am
      Re: New 6-piece tablebases Alexander Zacharias Tue Apr 09, 2013 6:10 pm
            Re: New 6-piece tablebases Matthew R. Brades Tue Apr 09, 2013 8:07 pm
                  Re: New 6-piece tablebases Alexander Zacharias Tue Apr 09, 2013 10:41 pm
                        Re: New 6-piece tablebases Ronald de Man Wed Apr 10, 2013 12:35 am
                              Re: New 6-piece tablebases Evert Glebbeek Wed Apr 10, 2013 7:20 am
                                    Re: New 6-piece tablebases Ronald de Man Wed Apr 10, 2013 11:53 am
                                          Re: New 6-piece tablebases Evert Glebbeek Wed Apr 10, 2013 1:22 pm
                                                Re: New 6-piece tablebases Ronald de Man Wed Apr 10, 2013 6:51 pm
                              Re: New 6-piece tablebases Gerd Isenberg Wed Apr 10, 2013 4:13 pm
                                    Re: New 6-piece tablebases Ronald de Man Wed Apr 10, 2013 6:55 pm
                                          Re: New 6-piece tablebases Gerd Isenberg Wed Apr 10, 2013 7:55 pm
            Re: New 6-piece tablebases Ronald de Man Tue Apr 09, 2013 10:44 pm
      Re: New 6-piece tablebases Steve Mulligan Sat Apr 13, 2013 2:23 pm
            Re: New 6-piece tablebases Ronald de Man Sat Apr 13, 2013 3:54 pm
                  Re: New 6-piece tablebases Steve Mulligan Sat Apr 13, 2013 5:18 pm
                        Re: New 6-piece tablebases Miguel A. Ballicora Sat Apr 13, 2013 5:38 pm
                        Re: New 6-piece tablebases Ronald de Man Sat Apr 13, 2013 6:28 pm
                              Re: New 6-piece tablebases H.G.Muller Sat Apr 13, 2013 8:40 pm
                                    Re: New 6-piece tablebases Uri Blass Tue Apr 16, 2013 12:30 am
                                          Re: New 6-piece tablebases Uri Blass Tue Apr 16, 2013 12:44 am
                                          Re: New 6-piece tablebases H.G.Muller Tue Apr 16, 2013 6:33 am
                              Re: New 6-piece tablebases Steve Mulligan Sat Apr 13, 2013 9:12 pm
                  Re: New 6-piece tablebases Miguel A. Ballicora Sat Apr 13, 2013 5:26 pm
                  Re: New 6-piece tablebases Ben Nye Sun Apr 14, 2013 7:43 pm
                        Re: New 6-piece tablebases Ronald de Man Sun Apr 14, 2013 8:45 pm
                              Re: New 6-piece tablebases Ben Nye Tue Apr 16, 2013 4:32 pm
                                    Re: New 6-piece tablebases Ronald de Man Tue Apr 16, 2013 6:48 pm
                                          Re: New 6-piece tablebases Ben Nye Wed Apr 17, 2013 11:26 pm
      Re: New 6-piece tablebases Ronald de Man Mon Apr 15, 2013 11:14 pm
            Re: New 6-piece tablebases Joshua Shriver Tue Apr 16, 2013 4:23 pm
                  Re: New 6-piece tablebases Ronald de Man Tue Apr 16, 2013 6:47 pm
            Re: New 6-piece tablebases Ronald de Man Thu Apr 25, 2013 5:56 pm
      Re: New 6-piece tablebases Jean-Francois Romang Sat Apr 27, 2013 4:21 pm
            Re: New 6-piece tablebases Jean-Francois Romang Sun Apr 28, 2013 10:08 am
                  Re: New 6-piece tablebases Vael Jean-Paul Sun Apr 28, 2013 12:26 pm
                        Re: New 6-piece tablebases Jean-Francois Romang Sun Apr 28, 2013 12:50 pm
                              Re: New 6-piece tablebases Vael Jean-Paul Sun Apr 28, 2013 12:58 pm
                                    Re: New 6-piece tablebases Vael Jean-Paul Sun Apr 28, 2013 1:15 pm
                                          Re: New 6-piece tablebases Michel Van den Bergh Sun Apr 28, 2013 2:48 pm
                        Re: New 6-piece tablebases Jean-Francois Romang Sun Apr 28, 2013 12:54 pm
                  Re: New 6-piece tablebases Adam Hair Sun Apr 28, 2013 3:46 pm
                        Re: New 6-piece tablebases Adam Hair Sun Apr 28, 2013 4:00 pm
      Re: New 6-piece tablebases Marek Soszynski Sun Jun 16, 2013 6:22 am
      Re: New 6-piece tablebases Kirill Kryukov Tue Jun 18, 2013 8:25 am
            Re: New 6-piece tablebases Ronald de Man Tue Jun 18, 2013 9:18 am
                  Re: New 6-piece tablebases Vael Jean-Paul Sun Aug 04, 2013 6:58 pm
                        Re: New 6-piece tablebases Vael Jean-Paul Mon Aug 05, 2013 5:45 pm
                              Re: New 6-piece tablebases Vael Jean-Paul Mon Aug 12, 2013 9:41 am
                  Re: New 6-piece tablebases Kirill Kryukov Wed Aug 21, 2013 1:06 am
                        Re: New 6-piece tablebases Ronald de Man Thu Aug 22, 2013 1:34 pm
                              Re: New 6-piece tablebases Kirill Kryukov Thu Aug 22, 2013 1:47 pm
                              Re: New 6-piece tablebases Ahmed Mansoor Fri Aug 23, 2013 7:22 am
                                    Re: New 6-piece tablebases Ronald de Man Fri Aug 23, 2013 2:29 pm
                                          Re: New 6-piece tablebases Ahmed Mansoor Fri Aug 23, 2013 5:47 pm
                        Re: New 6-piece tablebases Ronald de Man Mon Sep 02, 2013 10:24 pm
                              Re: New 6-piece tablebases Ahmed Mansoor Tue Sep 03, 2013 5:30 pm
                                    Re: New 6-piece tablebases Joshua Shriver Wed Sep 04, 2013 3:28 am
                              Re: New 6-piece tablebases Kirill Kryukov Tue Sep 03, 2013 11:17 pm
                                    Re: New 6-piece tablebases Rob Nicholas Thu Sep 12, 2013 2:32 am
                                          Re: New 6-piece tablebases Kirill Kryukov Thu Sep 12, 2013 3:31 am
                                                Re: New 6-piece tablebases Rob Nicholas Thu Sep 12, 2013 11:20 am
                                                      Re: New 6-piece tablebases Kirill Kryukov Thu Sep 12, 2013 11:50 am
                                                            Re: New 6-piece tablebases Ronald de Man Thu Sep 12, 2013 6:08 pm
                                                                  Re: New 6-piece tablebases Kirill Kryukov Thu Sep 12, 2013 11:39 pm
                                                                        Re: New 6-piece tablebases Rob Nicholas Fri Sep 13, 2013 1:24 am
                                                                              Re: New 6-piece tablebases Ronald de Man Sat Sep 14, 2013 2:27 am
                                                                                    Re: New 6-piece tablebases Kirill Kryukov Sat Sep 14, 2013 2:52 am
                                                                                    Re: New 6-piece tablebases Ahmed Mansoor Sat Sep 14, 2013 7:26 am
                                                                                    Re: New 6-piece tablebases Paul Henri Tue Sep 17, 2013 8:38 pm
                                                                                          Re: New 6-piece tablebases Paul Henri Tue Sep 17, 2013 9:18 pm
                                                                                          Re: New 6-piece tablebases Ronald de Man Wed Sep 18, 2013 1:08 am
                                                                                          Re: New 6-piece tablebases Paul Henri Wed Sep 18, 2013 6:34 pm
                                                                                          Re: New 6-piece tablebases Ronald de Man Wed Sep 18, 2013 7:24 pm
                                                                                          Re: New 6-piece tablebases Paul Henri Wed Sep 18, 2013 8:24 pm
                                                                                          Re: New 6-piece tablebases Ronald de Man Thu Sep 19, 2013 12:50 am
                                                                                          Re: New 6-piece tablebases Ahmed Mansoor Sun Sep 22, 2013 7:36 am
                                                                                          Re: New 6-piece tablebases Roberto Possioto Sun Sep 22, 2013 10:40 am
                                                                                          Re: New 6-piece tablebases Ahmed Mansoor Sun Sep 22, 2013 12:37 pm
                                                                                          Re: New 6-piece tablebases Paul Henri Mon Sep 23, 2013 2:44 pm
                                                                                          Re: New 6-piece tablebases Paul Henri Mon Sep 23, 2013 4:39 pm
                                                                                          Re: New 6-piece tablebases Marek Soszynski Mon Sep 23, 2013 4:50 pm
                                                                                          Re: New 6-piece tablebases Vincent Lejeune Mon Sep 23, 2013 5:50 pm
                                                                                          Re: New 6-piece tablebases Edmund Moshammer Mon Sep 23, 2013 6:11 pm
                                                                                          Re: New 6-piece tablebases jose mº velasco Mon Sep 23, 2013 7:01 pm
                                                                                          Re: New 6-piece tablebases Vincent Lejeune Mon Sep 23, 2013 7:02 pm
                                                                                          Re: New 6-piece tablebases Ronald de Man Mon Sep 23, 2013 7:44 pm
                                                                                          Re: New 6-piece tablebases Ronald de Man Mon Sep 23, 2013 7:51 pm
                                                                                          Re: New 6-piece tablebases Rob Nicholas Mon Sep 23, 2013 8:48 pm
                                                                                          Re: New 6-piece tablebases Ronald de Man Mon Sep 23, 2013 10:43 pm
                                                                                          Re: New 6-piece tablebases Rob Nicholas Mon Sep 23, 2013 11:59 pm
                                                                                          Re: New 6-piece tablebases Ronald de Man Tue Sep 24, 2013 12:10 am
                                                                                          Re: New 6-piece tablebases Shivkumar Shivaji Tue Sep 24, 2013 3:17 am
                                                                                          Re: New 6-piece tablebases Roberto Possioto Tue Sep 24, 2013 9:26 am
                                                                                          Re: New 6-piece tablebases Paul Henri Mon Sep 23, 2013 7:29 pm
      Re: New 6-piece tablebases robert jones Sat Aug 24, 2013 1:18 am
            Re: New 6-piece tablebases Ronald de Man Sat Aug 24, 2013 11:06 am
                  Re: New 6-piece tablebases H.G.Muller Sat Aug 24, 2013 12:53 pm
                        Re: New 6-piece tablebases Ronald de Man Sun Aug 25, 2013 1:02 am
                              Re: New 6-piece tablebases Kirill Kryukov Sun Aug 25, 2013 9:32 am
                  Re: New 6-piece tablebases Roberto Possioto Sat Aug 31, 2013 2:09 pm
                        Re: New 6-piece tablebases Ronald de Man Sat Aug 31, 2013 2:15 pm
                              Re: New 6-piece tablebases Roberto Possioto Sat Aug 31, 2013 3:19 pm
                                    Re: New 6-piece tablebases Ronald de Man Sat Aug 31, 2013 3:32 pm
      Re: New 6-piece tablebases Kirill Kryukov Mon Aug 26, 2013 10:19 am
            Re: New 6-piece tablebases Ronald de Man Wed Aug 28, 2013 11:18 pm
                  Re: New 6-piece tablebases Kirill Kryukov Thu Aug 29, 2013 11:09 am
                  Re: New 6-piece tablebases Kirill Kryukov Wed Sep 11, 2013 6:55 am
                        Re: New 6-piece tablebases Joshua Shriver Wed Sep 11, 2013 7:19 am
                              Re: New 6-piece tablebases Kirill Kryukov Wed Sep 11, 2013 7:50 am
                                    Re: New 6-piece tablebases Joshua Shriver Wed Sep 11, 2013 7:56 am
                                          Re: New 6-piece tablebases Kirill Kryukov Wed Sep 11, 2013 8:01 am
                                          Re: New 6-piece tablebases Vael Jean-Paul Wed Sep 11, 2013 8:05 am
                                                Re: New 6-piece tablebases Joshua Shriver Wed Sep 11, 2013 8:12 am
                                                      Re: New 6-piece tablebases Roberto Possioto Wed Sep 11, 2013 8:55 am
                                          Re: New 6-piece tablebases Bajusz Tamás Wed Sep 11, 2013 1:50 pm
      Re: New 6-piece tablebases Joshua Shriver Tue Sep 03, 2013 5:12 pm
            Re: New 6-piece tablebases Roberto Possioto Tue Sep 03, 2013 5:45 pm
            Re: New 6-piece tablebases Norman Schmidt Tue Sep 03, 2013 5:45 pm
                  Re: New 6-piece tablebases Ahmed Mansoor Tue Sep 03, 2013 6:31 pm
                        Re: New 6-piece tablebases Norman Schmidt Tue Sep 03, 2013 7:54 pm
                              Re: New 6-piece tablebases Kirill Kryukov Wed Sep 04, 2013 6:23 am
                                    Re: New 6-piece tablebases Ahmed Mansoor Wed Sep 04, 2013 10:56 am
                  Re: New 6-piece tablebases Kirill Kryukov Tue Sep 03, 2013 11:20 pm
            Re: New 6-piece tablebases Paul Henri Tue Sep 10, 2013 6:05 pm
                  Re: New 6-piece tablebases Vincent Lejeune Wed Sep 11, 2013 10:12 am
                        Re: New 6-piece tablebases Kirill Kryukov Wed Sep 11, 2013 10:59 am
                              Re: New 6-piece tablebases Vincent Lejeune Wed Sep 11, 2013 11:21 am
                                    Re: New 6-piece tablebases Joshua Shriver Wed Sep 11, 2013 11:24 am
      Re: New 6-piece tablebases Joshua Shriver Wed Sep 04, 2013 3:35 am
            Re: New 6-piece tablebases Ahmed Mansoor Wed Sep 04, 2013 11:47 am
                  Re: New 6-piece tablebases Ronald de Man Wed Sep 04, 2013 12:10 pm
                        Re: New 6-piece tablebases Ahmed Mansoor Wed Sep 04, 2013 12:33 pm
      Re: New 6-piece tablebases Edmund Moshammer Wed Sep 25, 2013 6:42 pm
            Re: New 6-piece tablebases Ronald de Man Wed Sep 25, 2013 8:48 pm
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