r1b2b2/pp2pk2/n1p2pr1/1Pp3pp/N2n4/Q3P2P/P5K1/R1BB2NR b - - 2 23
FEN state: r1b2b2/pp2pk2/n1p2pr1/1Pp3pp/N2n4/Q3P2P/P5K1/R1BB2NR b - - 2 23 ; Best move: d4b5
The current state of the chess board is: Black rook at a8, black bishop at c8 and black bishop at f8. Black pawn at a7, black pawn at b7, black pawn at e7 and black king at f7. Black knight at a6, black pawn at c6, black pawn at f6 and black rook at g6. White pawn at b5, black pawn at c5, black pawn at g5 and black pawn at h5. White knight at a4 and black knight at d4. White queen at a3, white pawn at e3 and white pawn at h3. White pawn at a2 and white king at g2. White rook at a1, white bishop at c1, white bishop at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 23. Black to move.