rn3k1r/1p4b1/p1p2qp1/1P1pBR1p/P7/1Q1R1N1n/3PK3/1b3B2 b - - 0 23
FEN state: rn3k1r/1p4b1/p1p2qp1/1P1pBR1p/P7/1Q1R1N1n/3PK3/1b3B2 b - - 0 23 ; Best move: b1d3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at f8 and black rook at h8. Black pawn at b7 and black bishop at g7. Black pawn at a6, black pawn at c6, black queen at f6 and black pawn at g6. White pawn at b5, black pawn at d5, white bishop at e5, white rook at f5 and black pawn at h5. White pawn at a4. White queen at b3, white rook at d3, white knight at f3 and black knight at h3. White pawn at d2 and white king at e2. Black bishop at b1 and white bishop at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. Black to move.