r2k1b1r/pB4pp/1q2p3/3p4/P2PP1n1/1pP1n1PP/4KP2/RN4NR b - - 4 22
FEN state: r2k1b1r/pB4pp/1q2p3/3p4/P2PP1n1/1pP1n1PP/4KP2/RN4NR b - - 4 22 ; Best move: b6b7
The current state of the chess board is: Black rook at a8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at a7, white bishop at b7, black pawn at g7 and black pawn at h7. Black queen at b6 and black pawn at e6. Black pawn at d5. White pawn at a4, white pawn at d4, white pawn at e4 and black knight at g4. Black pawn at b3, white pawn at c3, black knight at e3, white pawn at g3 and white pawn at h3. White king at e2 and white pawn 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 4. Full move number is 22. Black to move.