rnb1k1nr/pp1pqpp1/R7/2p1p3/1P1P4/2P2NP1/4PP1P/1NB1KB1R b Kkq - 0 16
FEN state: rnb1k1nr/pp1pqpp1/R7/2p1p3/1P1P4/2P2NP1/4PP1P/1NB1KB1R b Kkq - 0 16 ; Best move: b8a6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7, black queen at e7, black pawn at f7 and black pawn at g7. White rook at a6. Black pawn at c5 and black pawn at e5. White pawn at b4 and white pawn at d4. White pawn at c3, white knight at f3 and white pawn at g3. White pawn at e2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 16. Black to move.