> The solution is only about ~100 lines. wins=. 9 3 $ 0 1 2 3 4 5 6 7 8 0 3 6 1 4 7 2 5 8 0 4 8 2 4 6 winner=. # e. 3 + wins #@-.~"1 ] isove

> The solution is only about ~100 lines. wins=. 9 3 $ 0 1 2 3 4 5 6 7 8 0 3 6 1 4 7 2 5 8 0 4 8 2 4 6 winner=. # e. 3 + wins #@-.~"1 ] isover=. [: +./ ] winner/.~ 2 | #\ fullgame=. {.~ 1 + 1 i.~ isover\ all=. (i.!9) A. i.9 echo # ~. fullgame"1 all https://tio.run/##NU3LDsFAFN3PVxxqQRq3Rh9UIuE7tItGBiOjTTRYkP76ONVY3XPP8@r9y9btVpAjxgQLaCxBmCAFMqywBsmYkErCn3I6kEl/ljyZYkdt7mwJYITuEH0rgt1curFGqWzbPH@GwwahRCgxRCLpWPFBUKjTw7lzdTM0vclqlmhYoiFbqMo5alMro3yGvVDLlTleGo52gn@cczR6/wU https://tio.run/##NU3LDsFAFN3PVxxqQRq3Rh9UIuE7tItGBiOjTTRYkP... Or the 1-liner: # ~. ({.~ 1 + 1 i.~ ([: +./ ] (# e. 3 + w #@-.~"1 ])/.~ 2 | #\)\)"1 (i.!9) A. i.9 which surely could be golfed even further.