A list of retreted WinBoard/UCI engines or programs with unknown URL´s. Hosting the originals on other servers like RWBC / WBEC-Ridderkerk and compiled versions (by Jim Ablett / Dann Corbit) are possible, of course.

* Ajedrez Táctico - César Rodolfo Contreras Pérez

* Alderon - Norman Schmidt

* AlexUCI - Alexander Turikov

* Asterisk - Peter Horvath

* Betsy - Landon W. Rabern

* BigBook - Adam Stallard

* Blitzter - Stephen Mann

* Capture R1 - Sylvain Renard

* Celes/31337 - Johan Hutting

* Chancellor - Matthias Gemuh

* ChessCraft - Sune Fischer

* Chezzz - David Rasmussen

* Crimson - Norman Schmidt

* Crux - Laszlo Szalai

* DChess - Dave Wyatt

* DimitriWBE - Luigino Viscione

* Duke - Carlo Pivotto

* Echelon - Scott Gasch

* Enigma - Kamil Pryzbyla

* ESC - Claudio della Corte

* Gandalf - Steen Suurballe

* Golem - Gianluigi Masciulli

* Heavychess - Federico Andrés Corigliano

* Hokus Pokus - Pawel Czerminski

* JaksaH - Alexandar Jaksic

* Jupiter - Michael Andersen

* LadyGambit - Carlo Pivotto

* Lightning - Marius Kowalczyk

* MaterUCI - Valentin Abillo

* Murderhole - Eric Oldre

* Mystery - Fabian Müller

* Nimzo 2000b - Dr. Christian Donninger

* Ozwald - Juri Ostrovskij

* Robin - Piotr Dachtera

* RoboKewlper - Kevin Markman

* SilkeChess - Thomas Steinfeld

* SmirfMate - Reinhard Scharnagl

* Trynyty - Laszlo Szalai

* Usurper - Christopher Horace

* Zarkov - John Stanback