1n2k1nr/3bb2p/r2p4/4p3/QpKpP2p/PP4P1/3B1P2/RNN1R3 b k - 0 23
FEN state: 1n2k1nr/3bb2p/r2p4/4p3/QpKpP2p/PP4P1/3B1P2/RNN1R3 b k - 0 23 ; Best move: a6a4
The current state of the chess board is: Black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black bishop at d7, black bishop at e7 and black pawn at h7. Black rook at a6 and black pawn at d6. Black pawn at e5. White queen at a4, black pawn at b4, white king at c4, black pawn at d4, white pawn at e4 and black pawn at h4. White pawn at a3, white pawn at b3 and white pawn at g3. White bishop at d2 and white pawn at f2. White rook at a1, white knight at b1, white knight at c1 and white rook at e1. Black kingside is the only castle move available. Half move number is 0. Full move number is 23. Black to move.