rn1qkbnr/pb1p3p/8/1pp2pp1/2PP1P1P/N2Q1pP1/PP1KP3/R1B2B1R w kq - 0 12
FEN state: rn1qkbnr/pb1p3p/8/1pp2pp1/2PP1P1P/N2Q1pP1/PP1KP3/R1B2B1R w kq - 0 12 ; Best move: d4d5
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at d7 and black pawn at h7. Black pawn at b5, black pawn at c5, black pawn at f5 and black pawn at g5. White pawn at c4, white pawn at d4, white pawn at f4 and white pawn at h4. White knight at a3, white queen at d3, black pawn at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white king at d2 and white pawn at e2. White rook at a1, white bishop at c1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 12. White to move.