rnb2rk1/2p2p1p/1p2pB2/1Qn1P1p1/3p1PP1/2PP4/P2K3P/RN1N1B1R b - - 0 21
FEN state: rnb2rk1/2p2p1p/1p2pB2/1Qn1P1p1/3p1PP1/2PP4/P2K3P/RN1N1B1R b - - 0 21 ; Best move: c8b7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black rook at f8 and black king at g8. Black pawn at c7, black pawn at f7 and black pawn at h7. Black pawn at b6, black pawn at e6 and white bishop at f6. White queen at b5, black knight at c5, white pawn at e5 and black pawn at g5. Black pawn at d4, white pawn at f4 and white pawn at g4. White pawn at c3 and white pawn at d3. White pawn at a2, white king at d2 and white pawn at h2. White rook at a1, white knight at b1, white knight at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.