rqb1kbnr/pp4p1/n7/R1pppp1p/2P4P/1P2PPP1/3PR3/1NBQKBN1 w kq - 0 12
FEN state: rqb1kbnr/pp4p1/n7/R1pppp1p/2P4P/1P2PPP1/3PR3/1NBQKBN1 w kq - 0 12 ; Best move: c4d5
The current state of the chess board is: Black rook at a8, black queen at b8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7 and black pawn at g7. Black knight at a6. White rook at a5, black pawn at c5, black pawn at d5, black pawn at e5, black pawn at f5 and black pawn at h5. White pawn at c4 and white pawn at h4. White pawn at b3, white pawn at e3, white pawn at f3 and white pawn at g3. White pawn at d2 and white rook at e2. White knight at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 12. White to move.