rnb4r/p2pk2p/4q2b/1Pp1ppp1/R3PnQP/2PPK3/1P3PP1/1NB2BNR b - - 8 16
FEN state: rnb4r/p2pk2p/4q2b/1Pp1ppp1/R3PnQP/2PPK3/1P3PP1/1NB2BNR b - - 8 16 ; Best move: f5g4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at h8. Black pawn at a7, black pawn at d7, black king at e7 and black pawn at h7. Black queen at e6 and black bishop at h6. White pawn at b5, black pawn at c5, black pawn at e5, black pawn at f5 and black pawn at g5. White rook at a4, white pawn at e4, black knight at f4, white queen at g4 and white pawn at h4. White pawn at c3, white pawn at d3 and white king at e3. White pawn at b2, white pawn at f2 and white pawn at g2. White knight at b1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 8. Full move number is 16. Black to move.