2bqk1nr/r2p1p2/p1p1pBpp/P7/2p2P2/P5PN/R2QP2P/1N1K1BbR w k - 1 20
FEN state: 2bqk1nr/r2p1p2/p1p1pBpp/P7/2p2P2/P5PN/R2QP2P/1N1K1BbR w k - 1 20 ; Best move: f6d8
The current state of the chess board is: Black bishop at c8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at d7 and black pawn at f7. Black pawn at a6, black pawn at c6, black pawn at e6, white bishop at f6, black pawn at g6 and black pawn at h6. White pawn at a5. Black pawn at c4 and white pawn at f4. White pawn at a3, white pawn at g3 and white knight at h3. White rook at a2, white queen at d2, white pawn at e2 and white pawn at h2. White knight at b1, white king at d1, white bishop at f1, black bishop at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 20. White to move.