analogies between Undertale characters and famous chess players

Frisk : Ulf Anderssen

Flowey: Bobby Fischer

Toriel: Max Euwe

Papyrus: Michael Basman

Undyne: Mikhail Tal

Alphys: Alan Turing

Mettaton: a nightclub singer whom Capablanca had a fling with during the 1924 New York tournament

Asgore: Boris Spassky

Asriel: Alexander Alekhine

Asriel (GOD OF HYPERDEATH): Alexander Alekhine after a few drinks

Chara: NN

Sans: anonymous Central Park hustler who once crushed Kasparov in a simul

Oops, that should be Ulf Andersson, with an 'o'. Also I'm not sure of the choice of Michael Basman (though I'm prepared to defend it.) And perhaps I should have chosen "The Turk" for Mettaton (https://en.wikipedia.org/wiki/The_Turk)