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Justaminute: It shouldn't be too difficult to construct a game where black gives mate from a distance on move 20.
White moves axb3, bxc3, Na3-c4, Ba3, Qb1. Black moves axb6, Ra6-a5-a4xa3xa1. Then both make random moves on the kingside, and on move 20 Black plays Rxb1 with possible mate.
(piilota) Jos seuraat säännöllisesti vain joitakin keskustelualueita, voit lisätä ne suosikkikeskusteluihin klikkaamalla halutun palstan yläreunassa olevaa "lisää suosikkeihin" -linkkiä. (pauloaguia) (näytä kaikki vinkit)