2b1qk1r/rpppn3/2n4p/p4pp1/PP1P1p1b/N4K2/3BP1P1/1R2QBNR b - - 0 21
FEN state: 2b1qk1r/rpppn3/2n4p/p4pp1/PP1P1p1b/N4K2/3BP1P1/1R2QBNR b - - 0 21 ; Best move: c6d4
The current state of the chess board is: Black bishop at c8, black queen at e8, black king at f8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at c7, black pawn at d7 and black knight at e7. Black knight at c6 and black pawn at h6. Black pawn at a5, black pawn at f5 and black pawn at g5. White pawn at a4, white pawn at b4, white pawn at d4, black pawn at f4 and black bishop at h4. White knight at a3 and white king at f3. White bishop at d2, white pawn at e2 and white pawn at g2. White rook at b1, white queen 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 0. Full move number is 21. Black to move.