r4bn1/p1qk2pr/1pp4p/P3p3/1P2PP1P/2Rp1Pp1/2PK4/1NBQ1B1R w - - 0 20
FEN state: r4bn1/p1qk2pr/1pp4p/P3p3/1P2PP1P/2Rp1Pp1/2PK4/1NBQ1B1R w - - 0 20 ; Best move: c3d3
The current state of the chess board is: Black rook at a8, black bishop at f8 and black knight at g8. Black pawn at a7, black queen at c7, black king at d7, black pawn at g7 and black rook at h7. Black pawn at b6, black pawn at c6 and black pawn at h6. White pawn at a5 and black pawn at e5. White pawn at b4, white pawn at e4, white pawn at f4 and white pawn at h4. White rook at c3, black pawn at d3, white pawn at f3 and black pawn at g3. White pawn at c2 and white king at d2. White knight at b1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.