The D’Alembert betting system calls for an increase of one unit following a loss and a decrease of one unit following a victory.
http://forum.spolokmedikovke.sk/viewtopic....3&t=1118129
http://horsecity.ru/phpBB3/viewtopic.php?f=22&t=194281
http://881.cz/forum.php?mod=viewthread&...4495&extra=
http://forum3.bandingklub.cz/viewtopic.php...4&t=1606847
http://horsecity.ru/phpBB3/viewtopic.php?f=7&t=385865
http://oldsite.giessen46ers.de/fantalk/vie...=1&t=179283
https://debate.socialism.nl/forum/showthread.php?tid=140526
http://qrfonline.qrfmag.com/qrfswap/viewtopic.php?t=116024
http://forum.bandingklub.cz/viewtopic.php?f=13&t=1342896
http://forum.spolokmedikovke.sk/viewtopic....=7&t=889762
http://forum.spolokmedikovke.sk/viewtopic....2&t=1082936
http://forum3.bandingklub.cz/viewtopic.php...5&t=1541805
https://forum.pcfoster.pl/topic/121393-wat-...ack-spelletjes/
https://ufr-2020.front5.picapo.net/forums/v....php?pid=528123
https://debate.socialism.nl/forum/showthread.php?tid=205762
http://kiteonly12.free.fr/viewtopic.php?f=7&t=139201
http://forum.spolokmedikovke.sk/viewtopic....=3&t=939913
https://talkingpoints.org/subx/showthread.php?tid=60794