rqb1kbn1/pp1pp1p1/B1r5/2p1Pp1p/2P2P2/P4NPP/1B1P4/RN2K2R b KQ - 4 16
FEN state: rqb1kbn1/pp1pp1p1/B1r5/2p1Pp1p/2P2P2/P4NPP/1B1P4/RN2K2R b KQ - 4 16 ; Best move: b7a6
The current state of the chess board is: Black rook at a8, black queen at b8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at e7 and black pawn at g7. White bishop at a6 and black rook at c6. Black pawn at c5, white pawn at e5, black pawn at f5 and black pawn at h5. White pawn at c4 and white pawn at f4. White pawn at a3, white knight at f3, white pawn at g3 and white pawn at h3. White bishop at b2 and white pawn at d2. White rook at a1, white knight at b1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 4. Full move number is 16. Black to move.