X & O

Product: X and O, Version Ver 8.3.4 Operation Systems: Unix/Linux, Windows. Release Date: February 18, 2002

Click here to run the applet version download the standalone version XO games on palm

1. play 26 different games:

   Five in a rows game Tic-tac-toe Gomoku Five-In-A-Row Renju Pente Keryo-Pente Repensi	Four in a rows games Stack 4 Connectris Stack 4x4 Anti-Stack 4	Othelo games Ataxx Othello
   Checkers games *Checkers *Russian Shashki *Pool *Canadien checkers *International checkers *Italien checkers *Spanish checkers	Chess games *Chess *Shogi	Go games *Go Tanbo
   Other Quadrature *Entropy

   The games marked with '*' are in developing phase and X & O plays these games as a very weak player

2. play games with funny variations as: five in a rows games with atomic bomb, neutral stones and common center
3. play renju with rules of Renju International Federation
4. turn on and off the tournament rule for gomoku, pente and keryo-pente
5. use a database of games
6. play games using different notations
7. use product on any platform (Windows, Unix) that has Java Virtual Machine and play online
8. and more, more, more ...

The program was made by

Techniques I used are the following:

Move search

• Minimax with alfa-beta cut-offs
• Move ordering to improve the alfa-beta cut-off ratio
• A opening books

Programming

• OOP

Software

• The user interface was created with JDK 1.1.x and JDK 3.x
• The engine was creaed with Java