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Turnover. Three ring sizes fit into each other, combining and splitting into different pieces, sometimes taking over your opponent's.[All Comments] [Add Comment or Rating]

H. G. Muller wrote on Thu, Jun 20 05:49 PM UTC:

(Unfinished) test Diagram:

satellite=split ranks=8 files=8 maxPromote=0 promoZone=0 promoChoice=QRBN graphicsDir=/graphics.dir/alfaeriePNG/ squareSize=50 symmetry=mirror firstRank=1 lightShade=#FFFFCF darkShade=#70B09F rimColor=#0F0F90 coordColor=#EFEF1F whitePrefix=w blackPrefix=b graphicsType=png useMarkers=1 borders=0 newClick=1 captureMatrix=....N.K=.!!.N!K!/....QK=.!!!QK!!//.NQ=.NQ.!!!!/PPP..PKP=P!!..!K!/BN..BBBB=BN..!!!!/P...N...=P!!.N!.! pawn::fmcdWfcdF::a2-h2 morph=Q value=100 rook::mcdR::a1,h1 value=500 x:::: bishop::mcdB::c1,f1 value=350 knight:N:mcdN::b1,g1 value=400 queen::mcdQ::d1 value=1100 king::mF'bsmW'cdFbscdWfmcdW2::e1 morph=Q value=900

Ughh! Trying to implement the turnover transformation and splitting rules through a custom xxxTinker script revealed a bug in the parsing of the captureMatrix. Instead of ignoring promotion to its own type, it ignored promotion to the type just before it in the table.

After fixing this, I think I got the normal moving right. Promotion is still to be done.