r1b1n1r1/6k1/1qpp1ppp/3Pp3/PPB1n1P1/3QBP1P/R1P3K1/bN4NR b - - 3 23
FEN state: r1b1n1r1/6k1/1qpp1ppp/3Pp3/PPB1n1P1/3QBP1P/R1P3K1/bN4NR b - - 3 23 ; Best move: a1d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at e8 and black rook at g8. Black king at g7. Black queen at b6, black pawn at c6, black pawn at d6, black pawn at f6, black pawn at g6 and black pawn at h6. White pawn at d5 and black pawn at e5. White pawn at a4, white pawn at b4, white bishop at c4, black knight at e4 and white pawn at g4. White queen at d3, white bishop at e3, white pawn at f3 and white pawn at h3. White rook at a2, white pawn at c2 and white king at g2. Black bishop at a1, white knight at b1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 23. Black to move.