69d iilewndO jaa alluyu!ue u!uana asixa ue KBenens alluy e gN (s!y oy seln oy!ads sey ssayp)auy s!Ajuo Liaajdwo xewruru jo serqodoId minimax of erties Prop this). r fo rules ecific sp has (chess finite is tree if Only ?? Complete tree! infinite an in even exist can strategy finite a NB ?? Optimal 9 6 Chapter