rn1qkbr1/3p2pp/b3p2n/p1p5/1PR4P/NQ2PPp1/PB1P2B1/4K1NR w K - 0 16
FEN state: rn1qkbr1/3p2pp/b3p2n/p1p5/1PR4P/NQ2PPp1/PB1P2B1/4K1NR w K - 0 16 ; Best move: b4b5
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 and black rook at g8. Black pawn at d7, black pawn at g7 and black pawn at h7. Black bishop at a6, black pawn at e6 and black knight at h6. Black pawn at a5 and black pawn at c5. White pawn at b4, white rook at c4 and white pawn at h4. White knight at a3, white queen at b3, white pawn at e3, white pawn at f3 and black pawn at g3. White pawn at a2, white bishop at b2, white pawn at d2 and white bishop at g2. White king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 16. White to move.