I'm a Mexican software developer, I like to write concise
and interesting programs. Currently I work for
Born in 1978, I started programming at age 5 in BASIC,
learnt assembly language by age 9 and afterwards the programming languages
As a hobby, I'm the author of
bootOS, an x86 operating system in 512 bytes
, and its companion bootBASIC interpreter in 512 bytes
I've developed the world's smallest chess programs in
x86/6502 machine code
. I've won five times the
Obfuscated C Code Contest
, I came second place in the
first JS1K contest
and also in the
. So far I'm the only Mexican that has won these contests.
I give talks about programming topics and
the influence of software in the society,
and I'm a game programming and design consultant (ask for prices,) I have been
a lecturer in Mexico at the ITESM, ESIME and Justo Sierra University.
In the free time of my free time I'm also a tweetstar with
my microstories in
Feel free to send your comments and suggestions to
me on Twitter as @nanochess
Currently I live and work in Mexico City, Mexico.
The opinions expressed on these pages are solely
those of the author, and are not necessarily shared by Familia Toledo
These pages are © Copyright 2009-2021 Óscar Toledo
Gutiérrez. All rights reserved.
Last modified: Mar/19/2021