2rq1b1r/p1pk3b/1B1pppPn/np5p/2Q3PP/3BP3/3P1K2/RN4NR b - - 3 21
FEN state: 2rq1b1r/p1pk3b/1B1pppPn/np5p/2Q3PP/3BP3/3P1K2/RN4NR b - - 3 21 ; Best move: b5c4
The current state of the chess board is: Black rook at c8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black king at d7 and black bishop at h7. White bishop at b6, black pawn at d6, black pawn at e6, black pawn at f6, white pawn at g6 and black knight at h6. Black knight at a5, black pawn at b5 and black pawn at h5. White queen at c4, white pawn at g4 and white pawn at h4. White bishop at d3 and white pawn at e3. White pawn at d2 and white king at f2. White rook at a1, white knight at b1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 21. Black to move.