rn2kbnr/pp1b3p/2P1p3/2Pp4/6pq/N3P2P/P2P2B1/1RBQ1KR1 b k - 0 23
FEN state: rn2kbnr/pp1b3p/2P1p3/2Pp4/6pq/N3P2P/P2P2B1/1RBQ1KR1 b k - 0 23 ; Best move: b8c6
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black bishop at d7 and black pawn at h7. White pawn at c6 and black pawn at e6. White pawn at c5 and black pawn at d5. Black pawn at g4 and black queen at h4. White knight at a3, white pawn at e3 and white pawn at h3. White pawn at a2, white pawn at d2 and white bishop at g2. White rook at b1, white bishop at c1, white queen at d1, white king at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 23. Black to move.