Aart's Blog

Jim Ablett kindly compiled Jon Dart's Arasan engine for ARM-based Android devices so that it can be imported in Chess for Android . The engine supports multithreading, Nalimov endgame tablebases, and clocked at about 100Kns out of the opening on my Nexus S.  

As posted earlier, Jim Ablett posted an Android Chess Engine Bundle , which various UCI and Win/XBoard engines that can be imported in Chess for Android . Because the Win/XBoard protocol feature is still relatively new in Chess for Android and conducted a test tournament between all the XBoard engines (except gfc-08-rev5-ja which often claims a mate without actually making the move; I am not sure if the standard allows this, but it seems weird that the GUI should verify the claim). During this tournament I found a few opportunities for improving the GUI's handling of the protocol, which will be released soon. Also, the next release will add the much requested pondering feature (also called permanent brain ). Games available on request.                           1  olithink-530-ja          34.5/38 2  crafty-234-ja            32.0/38 3  phalanx-xxii-ja          29.5/38 4  chess-one-201-ja         29.0/38 5  gullydeckel-215-pl10-ja  25.5/38 6  sloppy-023-ja            25.5

Group B has finished a complete thirty seconds-per-move tournament in Chess for Android , played from both sides of all positions in the Nunn opening suite under the conditions described earlier. Regrettably I found that Crafty was put at a slight disadvantage (not something that would have changed the outcome though) due to a misinterpretation of XBoard's resign plus move command, causing a resign by illegal move in the next game. This issue has been fixed now. Congratulations to IvanHoe for its promotion to Group A. All games can be downloaded from the tournament page . The games of the final group A have started!                        1        2        3         4        5                     1 IvanHoe-Beta 999947c    *     15.0-5.0 17.0-3.0  19.0-1.0 19.0-1.0 70.0/80 2 scorpio              5.0-15.0     *     7.5-12.5 17.5-2.5 14.5-5.5 44.5/80  3 Toga II 1.4.1SE      3.0-17.0 12.5-7.5     *     12.0-8.0 13.0-7.0 40.5/80  4 crafty               1.0-19.0  2.5-17.5 8

Jim Ablett very kindly posted an Android Chess Engine Bundle with various UCI and XBoard engines that can be imported in Chess for Android . UCI: daydreamer-175-ja  greko-82-ja    redqueen-098-ja  stockfish-211-ja diablo-051b-ja     jazz-501-ja    rotor-04-ja      sungorus-14-ja doublecheck-21-ja  komodo-13-ja   simplex-098-ja garbochess-3-ja    pepito-159-ja  sissa-20-ja XBOARD: uzz-os-11-27-08          kmtchess-121-ja   scidlet-361-b2-ja chess-one-201-ja         knightcap-36-ja   sjeng-112-ja crafty-234-ja            mizar-030-ja      sloppy-023-ja exchess-054-beta-ja      mskcp-145-ja      surprise-43-beta13-ja gfc-08-rev5-ja           natwarlal-014-ja  toledo-nanochess-2010-ja gk-090-ja                olithink-530-ja   zzzzzz-351-ja gullydeckel-215-pl10-ja  phalanx-xxii-ja

Group C has just finished a complete thirty seconds-per-move tournament in Chess for Android , played from both sides of all positions in the Nunn opening suite under the conditions described earlier. Congratulations to Gary Linscott for GarboChess' promotion to Group B. All games can be downloaded from the tournament page .                            1        2         3         4        5                     1 GarboChess3                 *     10.5-9.5   9.5-10.5 15.0-5.0 16.0-4.0  51.0/80 2 Daydreamer 1.75 JA        9.5-10.5    *     12.0-8.0  14.5-5.5 13.0-7.0  49.0/80 3 GNU Chess 5.07.153.3b-32 10.5-9.5  8.0-12.0     *     11.0-9.0 16.0-4.0  45.5/80 4 Pepito v1.59              5.0-15.0 5.5-14.5  9.0-11.0     *     9.0-11.0 28.5/80 5 Rotor 0.6a                4.0-16.0 7.0-13.0  4.0-16.0 11.0-9.0     *     26.0/80