rn1q1b1r/pp3kp1/3n4/4p1B1/2P2p2/PP2P3/R1P1b2P/1N1QKBNR w K - 8 20
FEN state: rn1q1b1r/pp3kp1/3n4/4p1B1/2P2p2/PP2P3/R1P1b2P/1N1QKBNR w K - 8 20 ; Best move: d1d5
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black king at f7 and black pawn at g7. Black knight at d6. Black pawn at e5 and white bishop at g5. White pawn at c4 and black pawn at f4. White pawn at a3, white pawn at b3 and white pawn at e3. White rook at a2, white pawn at c2, black bishop at e2 and white pawn at h2. White knight at b1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 8. Full move number is 20. White to move.