PalmOS

9.95 CHESS - - [Commercial -$9.95, no demo] Based on the free Openchess Palm (below) but with more features 150 kb [updated 10/27/03.

Chess Quantum 3.0 - - [$9 Commercial] Chess playing program, color, hi-res, OS5 support, 766 Kb.

Chess Tiger 15.1 for Palm - - [Commercial - $20, free demo] The strongest Palm chess program for non ARM Palms, color/greyscale, reads/writes PGN. Uses 295Kb RAM [updated 9/9/2003].

Chess Timer for Palm - - Utility for the Palm line of devices which replaces a mechanical chess timer.

ChessGenius 2.3 for Palm - - [Commercial -$25, free demo] World chess champion engine, ARM/68K support, color, PGN, infrared play. Uses 160Kb RAM [updated 2/23/2005].

Chessmaster - - Contains a game overview, screenshots, trailers, and availability information. [Commercial.

ChessPad - - [Shareware $25] Reads/Writes chess games in PGN format. Does NOT play chess itself - it lets you play over games. V3.03 (in beta) works with the DGT sensory board.

Chromagames 1.76 - - [Shareware-$20] Chess, checkers, and backgammon in one 444kb package. Greyscale/color/hires display.[Updated 6/28/2004.

Double Chess 3.1 - - [Shareware-$15] Plays chess against you, includes double-board option. [V3.1 4/17/2004.

HIARCS 9.6 Palm - - [Commercial $40.00, free demo] Strongest ARM Palm chess program, beat GM 3-1 in match, ARM/68K, color, PGN, hi-res, 500 kb [Updated 12-11-05.

Internet ChessClub Client - - [Shareware $18.50] Lets you play chess online at the Internet Chess Clu.

Naum - - Free Palm Chess program.

OpenChess 2.0 - - [Free] Port of GNUChess to Palm - required color Palm [V2.0 11/15/2003.

PalmChess - - Chess Database for PalmPilot (different from PalmChess for WinCE) like ChessPad.

PocketChess Deluxe 2.5 - - [Shareware - $20] Full featured chess for Palm with color, PGN, infrared, variation support, 3000 game database (234Kb).

Rampart Chess 2.5 for Palm - - [Commercial -$9.95, no demo] hires support, OS5 enhanced, 5 levels of game play, two-player mode, position setup 263K.

Palm Chess: HIARCS, Genius, Tiger - - Rates the playing strength of these three programs and estimates their ratings. (June 30, 2004)

ChessGenius for Palm - - Review of ChessGenius program on the Palm platform. (April 13, 2004)

Chess Tiger for Palm PDAs - - Review of Chess Tiger chess-playing program. (January 7, 2003)

Chess for PalmOS - - Tiger-Genius match, Tiger/Genius/PocketChess test scores, short reviews of 7 others.. (December 25, 2002)

Chess Tiger 14.5 vs Chess Genius 1.3 - - A USCF Life Master reports on a 26-game match between these Palm programs. (September 4, 2001)

Chess on the Palm OS - - Review of Chess Genius 1.3 and PocketChess 2.2. (June 1, 2001)

PocketChess 2.0 vs. Chess Genius 1.2 - - A report by Toby Robison about a seven game match between these two chess programs, at various time controls. (February 1, 2001)