1r1q4/Bb1p2b1/1np1kppr/n2Np3/P3P1pP/1p1PKP2/1PP1B3/R1Q3NR b - - 5 21
FEN state: 1r1q4/Bb1p2b1/1np1kppr/n2Np3/P3P1pP/1p1PKP2/1PP1B3/R1Q3NR b - - 5 21 ; Best move: c6d5
The current state of the chess board is: Black rook at b8 and black queen at d8. White bishop at a7, black bishop at b7, black pawn at d7 and black bishop at g7. Black knight at b6, black pawn at c6, black king at e6, black pawn at f6, black pawn at g6 and black rook at h6. Black knight at a5, white knight at d5 and black pawn at e5. White pawn at a4, white pawn at e4, black pawn at g4 and white pawn at h4. Black pawn at b3, white pawn at d3, white king at e3 and white pawn at f3. White pawn at b2, white pawn at c2 and white bishop at e2. White rook at a1, white queen at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 21. Black to move.