1n2kb1r/rp1b1N2/2p1pq1p/2np4/2PP1P2/1p2P1P1/P4B1P/1R1QKBR1 w k - 0 21
FEN state: 1n2kb1r/rp1b1N2/2p1pq1p/2np4/2PP1P2/1p2P1P1/P4B1P/1R1QKBR1 w k - 0 21 ; Best move: f7h8
The current state of the chess board is: Black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black rook at a7, black pawn at b7, black bishop at d7 and white knight at f7. Black pawn at c6, black pawn at e6, black queen at f6 and black pawn at h6. Black knight at c5 and black pawn at d5. White pawn at c4, white pawn at d4 and white pawn at f4. Black pawn at b3, white pawn at e3 and white pawn at g3. White pawn at a2, white bishop at f2 and white pawn at h2. White rook at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 21. White to move.