r3k2r/p1pqn3/np4pp/2bpp1P1/1P2b2P/P3PPR1/2PN4/R1BQKBN1 b Qkq - 0 16
FEN state: r3k2r/p1pqn3/np4pp/2bpp1P1/1P2b2P/P3PPR1/2PN4/R1BQKBN1 b Qkq - 0 16 ; Best move: e4f5
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at c7, black queen at d7 and black knight at e7. Black knight at a6, black pawn at b6, black pawn at g6 and black pawn at h6. Black bishop at c5, black pawn at d5, black pawn at e5 and white pawn at g5. White pawn at b4, black bishop at e4 and white pawn at h4. White pawn at a3, white pawn at e3, white pawn at f3 and white rook at g3. White pawn at c2 and white knight at d2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. White queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 16. Black to move.