give A.I. more depth in threecheck - fixes #502
give A.I. more depth in threecheck - fixes #502

abougouffa/lila,TangentialAlan/lila,Unihedro/lila,r0k3/lila,pavelo65/lila,JimmyMow/lila,TangentialAlan/lila,elioair/lila,samuel-soubeyran/lila,Enigmahack/lila,clarkerubber/lila,pavelo65/lila,bjhaid/lila,ccampo133/lila,pawank/lila,terokinnunen/lila,JimmyMow/lila,bjhaid/lila,Happy0/lila,samuel-soubeyran/lila,r0k3/lila,terokinnunen/lila,systemovich/lila,Unihedro/lila,TangentialAlan/lila,ccampo133/lila,pawank/lila,samuel-soubeyran/lila,terokinnunen/lila,JimmyMow/lila,terokinnunen/lila,TangentialAlan/lila,JimmyMow/lila,pavelo65/lila,pawank/lila,luanlv/lila,r0k3/lila,elioair/lila,Happy0/lila,systemovich/lila,pawank/lila,arex1337/lila,samuel-soubeyran/lila,abougouffa/lila,Happy0/lila,Enigmahack/lila,abougouffa/lila,pavelo65/lila,arex1337/lila,bjhaid/lila,clarkerubber/lila,pavelo65/lila,Enigmahack/lila,bjhaid/lila,pavelo65/lila,samuel-soubeyran/lila,luanlv/lila,arex1337/lila,Enigmahack/lila,bjhaid/lila,Unihedro/lila,systemovich/lila,pavelo65/lila,Happy0/lila,Enigmahack/lila,abougouffa/lila,JimmyMow/lila,r0k3/lila,arex1337/lila,abougouffa/lila,elioair/lila,bjhaid/lila,elioair/lila,clarkerubber/lila,arex1337/lila,ccampo133/lila,Happy0/lila,systemovich/lila,ccampo133/lila,Unihedro/lila,Unihedro/lila,clarkerubber/lila,elioair/lila,arex1337/lila,TangentialAlan/lila,ccampo133/lila,pawank/lila,elioair/lila,clarkerubber/lila,luanlv/lila,Unihedro/lila,terokinnunen/lila,elioair/lila,terokinnunen/lila,TangentialAlan/lila,pawank/lila,clarkerubber/lila,terokinnunen/lila,luanlv/lila,r0k3/lila,systemovich/lila,Enigmahack/lila,bjhaid/lila,r0k3/lila,TangentialAlan/lila,samuel-soubeyran/lila,samuel-soubeyran/lila,abougouffa/lila,Happy0/lila,JimmyMow/lila,clarkerubber/lila,abougouffa/lila,luanlv/lila,pawank/lila,systemovich/lila,Happy0/lila,Unihedro/lila,ccampo133/lila,luanlv/lila,r0k3/lila,ccampo133/lila,luanlv/lila,systemovich/lila,JimmyMow/lila,Enigmahack/lila,arex1337/lila