Bughouse.net Rules, openings, strategy, rankings, and tournaments for a chess game in which two boards are used and four people can play. http://www.bughouse.net/ Bughouse.net~Site InfoWhoisTrace RouteRBL Check
NonVi Games Makers of Double Chess, a program for PalmOS and Windows for playing bughouse and regular chess. Includes product information and demos. http://www.nonvi.com Nonvi.com~Site InfoWhoisTrace RouteRBL Check
Sjeng An attempt to create a bughouse and crazyhouse playing program that can attain a level comparable to the best human players. http://sjeng.org/ Sjeng.org~Site InfoWhoisTrace RouteRBL Check