r1b2bnr/pp2k1pp/2nq4/2pppp2/2P5/1P1PBP2/P3PKPP/RQ3BNR w - - 3 13
FEN state: r1b2bnr/pp2k1pp/2nq4/2pppp2/2P5/1P1PBP2/P3PKPP/RQ3BNR w - - 3 13 ; Best move: c4d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black king at e7, black pawn at g7 and black pawn at h7. Black knight at c6 and black queen at d6. Black pawn at c5, black pawn at d5, black pawn at e5 and black pawn at f5. White pawn at c4. White pawn at b3, white pawn at d3, white bishop at e3 and white pawn at f3. White pawn at a2, white pawn at e2, white king at f2, white pawn at g2 and white pawn at h2. White rook at a1, white queen at b1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 13. White to move.