2r1kb1r/1p2q1pn/n7/p2Q1b1p/P1Pp1P2/2PBB1PP/3NK3/R6R b k - 1 23
FEN state: 2r1kb1r/1p2q1pn/n7/p2Q1b1p/P1Pp1P2/2PBB1PP/3NK3/R6R b k - 1 23 ; Best move: e7e3
The current state of the chess board is: Black rook at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black queen at e7, black pawn at g7 and black knight at h7. Black knight at a6. Black pawn at a5, white queen at d5, black bishop at f5 and black pawn at h5. White pawn at a4, white pawn at c4, black pawn at d4 and white pawn at f4. White pawn at c3, white bishop at d3, white bishop at e3, white pawn at g3 and white pawn at h3. White knight at d2 and white king at e2. White rook at a1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 23. Black to move.