available on sources and here: http://mirtchovski.com/p9/GnuGo/
see README.PLAN9 for installation instructions. sample game: 9grid% gnugo --boardsize 5 GNU Go 3.6 Copyright 1999, 2000, 2001, 2002, 2003 and 2004 by the Free Software Foundation, Inc. See http://www.gnu.org/software/gnugo/ or contact [EMAIL PROTECTED] for information about GNU Go. GNU Go comes with NO WARRANTY to the extent permitted by law. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation - version 2. For more information about these matters, see the files named COPYING. here we are! Beginning ASCII mode game. Board Size: 5 Handicap 0 Komi: 0.0 Move Number: 0 To Move: black Computer player: White White (O) has captured 0 pieces Black (X) has captured 0 pieces A B C D E 5 . . . . . 5 4 . + . + . 4 3 . . + . . 3 2 . + . + . 2 1 . . . . . 1 A B C D E c3 black(1): White (O) has captured 0 pieces Black (X) has captured 0 pieces A B C D E 5 . . . . . 5 4 . + . + . 4 3 . .(X). . 3 2 . + . + . 2 1 . . . . . 1 A B C D E GNU Go is thinking... white(2): B3 White (O) has captured 0 pieces Black (X) has captured 0 pieces A B C D E 5 . . . . . 5 4 . + . + . 4 3 .(O)X . . 3 2 . + . + . 2 1 . . . . . 1 A B C D E c4 black(3): White (O) has captured 0 pieces Black (X) has captured 0 pieces A B C D E 5 . . . . . 5 4 . +(X)+ . 4 3 . O X . . 3 2 . + . + . 2 1 . . . . . 1 A B C D E GNU Go is thinking... white(4): B4 White (O) has captured 0 pieces Black (X) has captured 0 pieces A B C D E 5 . . . . . 5 4 .(O)X + . 4 3 . O X . . 3 2 . + . + . 2 1 . . . . . 1 A B C D E b5 black(5): White (O) has captured 0 pieces Black (X) has captured 0 pieces A B C D E 5 .(X). . . 5 4 . O X + . 4 3 . O X . . 3 2 . + . + . 2 1 . . . . . 1 A B C D E GNU Go is thinking... white(6): PASS White (O) has captured 0 pieces Black (X) has captured 0 pieces A B C D E 5 . X . . . 5 4 . O X + . 4 3 . O X . . 3 2 . + . + . 2 1 . . . . . 1 A B C D E pass black(7): white(8): PASS Result: B+24.0 If you disagree, we may count the game together. You may optionally save the game as an SGF file. Type "save " to save, "count" to recount, "quit" to quit or "game" to play again quit Thanks! for playing GNU Go. 9grid%