1r1qk2r/p1p2bpp/1pnp1p1B/4p2n/1P1PP2P/P7/1P3PP1/RN2KBNR b - - 2 23
FEN state: 1r1qk2r/p1p2bpp/1pnp1p1B/4p2n/1P1PP2P/P7/1P3PP1/RN2KBNR b - - 2 23 ; Best move: c6d4
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at c7, black bishop at f7, black pawn at g7 and black pawn at h7. Black pawn at b6, black knight at c6, black pawn at d6, black pawn at f6 and white bishop at h6. Black pawn at e5 and black knight at h5. White pawn at b4, white pawn at d4, white pawn at e4 and white pawn at h4. White pawn at a3. White pawn at b2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white king at e1, white bishop at f1, 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.