rnbq1bn1/p2k1ppr/3p4/2pBp2p/1P4P1/pQP4P/1B1PPP2/RN2K1NR w KQ - 0 13
FEN state: rnbq1bn1/p2k1ppr/3p4/2pBp2p/1P4P1/pQP4P/1B1PPP2/RN2K1NR w KQ - 0 13 ; Best move: d5a8
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black bishop at f8 and black knight at g8. Black pawn at a7, black king at d7, black pawn at f7, black pawn at g7 and black rook at h7. Black pawn at d6. Black pawn at c5, white bishop at d5, black pawn at e5 and black pawn at h5. White pawn at b4 and white pawn at g4. Black pawn at a3, white queen at b3, white pawn at c3 and white pawn at h3. White bishop at b2, white pawn at d2, white pawn at e2 and white pawn at f2. White rook at a1, white knight at b1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 13. White to move.