Chess

Kasparov Karpov Lyon 1990 World Chess Championships FULL Documentary

• https://www.youtube.com/watch?v=Rxy1wYFN29M

Kasparov vs. Karpov, Game 20 | WCC 1990 - GM Yasser Seirawan - 2015.03.05

• https://www.youtube.com/watch?v=4b_8Or7m4MQ

anti-tartakower, links:

1985 Kasparov - Karpov Title Match

game 4

• Leela stuff see: /comp-/2018-05-01/entry-ref_111

pos. to study, amongst many others (KRP vs KR)

• https://en.wikipedia.org/wiki/Lucena_position

• https://www.kfchess.com/ "Kung-Fu" Chess (realtime)

(found via the lichess blog about open-source chess sites)