r2q1r2/2pk1p1n/3pp1p1/Q2P3p/1P2b2N/N3n1P1/P2KPP2/R1B2B1R b - - 0 23
FEN state: r2q1r2/2pk1p1n/3pp1p1/Q2P3p/1P2b2N/N3n1P1/P2KPP2/R1B2B1R b - - 0 23 ; Best move: a8a5
The current state of the chess board is: Black rook at a8, black queen at d8 and black rook at f8. Black pawn at c7, black king at d7, black pawn at f7 and black knight at h7. Black pawn at d6, black pawn at e6 and black pawn at g6. White queen at a5, white pawn at d5 and black pawn at h5. White pawn at b4, black bishop at e4 and white knight at h4. White knight at a3, black knight at e3 and white pawn at g3. White pawn at a2, white king at d2, white pawn at e2 and white pawn at f2. White rook at a1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. Black to move.