r1b4r/2qpk1pp/2n5/pBp3N1/3ppb2/PP4P1/2P1K1QP/RNBR4 w - - 0 23
FEN state: r1b4r/2qpk1pp/2n5/pBp3N1/3ppb2/PP4P1/2P1K1QP/RNBR4 w - - 0 23 ; Best move: c1f4
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at h8. Black queen at c7, black pawn at d7, black king at e7, black pawn at g7 and black pawn at h7. Black knight at c6. Black pawn at a5, white bishop at b5, black pawn at c5 and white knight at g5. Black pawn at d4, black pawn at e4 and black bishop at f4. White pawn at a3, white pawn at b3 and white pawn at g3. White pawn at c2, white king at e2, white queen at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1 and white rook at d1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.