Here I've collected links of all around the world,
including the first complete list of tiny chess programs, hard to find
information about the IOCCC, links related to chess, and some mentions of my
programs, magazine reports and interviews.
- I've been interviewed by Rodrigo Diaz Concha about the development of games for Intellivision. (Spanish audio)
- I've been interviewed by Homebrew Legends.
- I've been interviewed by Mario Carballo @afk_mcz for the podcast Detras del Pixel episode 13: nanochess (Spanish audio).
Interview by Tim Duarte
Intellivisionaries podcast 25 talks about my game
Space Raid and includes
an interview with me.
- An interview about Princess Quest in 22 pages appears in
Côte Gamers vol. 2.
- In Dec/12/2015 I gave a talk in the Score VG 96 web radio with my brother for a talk about my MSX games, hosted by Artemio Urbina and friends (Spanish).
- I was interviewed because of Toledo Atomchess for the
"The bitter rivalry behind the world's smallest chess program"
by Chris Stokel-Walker.
- In Mar/29/2015 the Atomix magazine published an
interview «Oscar Toledo:
la magia de crear para la vieja escuela» (Spanish) made by
- In Nov/01/2014 the podcast Del bit a la orquesta published an
interview where I spoke of Princess Quest y Mecha-8 (Spanish).
- In Feb/13/2014 Deus Ex Machina published an
interview «Óscar Toledo: Desarrollador retroindie» (Spanish)
authored by @retromaquinitas.
- In Nov/10/2013 I've been mentioned in
Oldschool is beautiful,
episode 11 (French) because of my retro games.
- In Feb/18/2013 I've appeared some seconds in a
because of my developments at
Familia Toledo organization. Emitted
through Mexico TeleFormula in cable TV channel 121.
- The Siliconchess forum made me an
about Toledo Nanochess (in Spanish.)
- I've appeared in Mexican TV channel 22, in "La Oveja Electrica"
Aug/18/2010 program (video with audio in Spanish) in a two minutes' capsule,
demonstrating a computer developed by
Familia Toledo organization, you can see
PCB design, desktop publishing, Internet browser and operating system, all
these software have my contribution :)
- My sister appeared in
"La Oveja Electrica"
Sep/01/2010 program (video with audio in Spanish) in a two minutes' capsule,
Familia Toledo organization.
- Reforma newspaper, "Winning was not in his program", Nov/29/2005.
(in Spanish) (now not available online)
Tiny chess programs in C
- Toledo Nanochess, from Mexico, by Óscar Toledo G.
from the Netherlands, by H.G. Muller.
- Chess from California,
USA, by Vern Paxson, comments
and Makefile, from
the 9th IOCCC, needs preprocessing with SED. Here
is a cleaned version by
Pavel Semjanov commented in Russian. Limited but amazing in several ways.
from the Netherlands, by Dennis Gruijs.
Other tiny chess programs
by Óscar Toledo G.
by Óscar Toledo G.
- Toledo Java Chess in 3.8 KB, from Mexico,
by Óscar Toledo G.
- Toledo Atomchess in 481 bytes of x86 code,
from México, by Óscar Toledo G.
Zealand, by Douglas Bagnall, versions from 4 KB to 6 KB.
from Canada, written by Peter Jennings in 1976, only 1 KB of 6502 machine
code!. Playable online.
- ZX-81 Chess,
from United Kingdom, written by David Horne in 1983, only 1 KB of Z80 machine
code!. Playable online (requires Java).
- Hungry Dragon,
written by MTV Europe in 2002, 1512 bytes of Befunge'93.
- Bootchess, written
by Red Sector, 487 bytes of x86 code, makes illegal moves.
Note that some of these small chess programs doesn't check
for illegal moves, or doesn't allow castling or en passant.
Computer chess related
- ChessWar/OpenWar by
Olivier Deville, tournaments between hundreds of chess engines, with score lists
and games available in PGN format.
- Chess programs encyclopaedia,
lists all known chess programs, including standalone programs and
- Leo Dijksman's WBEC
Ridderkerk, continuous news about new chess engines and updates.
Chess Programming Wiki,
useful information and resources for chess programmers.
- Pedro Castro's collection of
Chess Engines (Spanish).
- Talkchess, a good place to talk
about everything related to chess engines, tournaments and chess
Last modified: Apr/23/2021