1nb1k1nr/1r1p2pp/pp6/2p1p2P/PPP2p2/4P2R/1bqP1PP1/RN2KBN1 w k - 0 16
FEN state: 1nb1k1nr/1r1p2pp/pp6/2p1p2P/PPP2p2/4P2R/1bqP1PP1/RN2KBN1 w k - 0 16 ; Best move: b1a3
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black rook at b7, black pawn at d7, black pawn at g7 and black pawn at h7. Black pawn at a6 and black pawn at b6. Black pawn at c5, black pawn at e5 and white pawn at h5. White pawn at a4, white pawn at b4, white pawn at c4 and black pawn at f4. White pawn at e3 and white rook at h3. Black bishop at b2, black queen at c2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white knight at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 16. White to move.