rnb1q2r/4ppP1/p1ppkn1p/1p6/1P3bP1/B3P2B/P1PPK1Q1/RN4NR b - - 3 16
FEN state: rnb1q2r/4ppP1/p1ppkn1p/1p6/1P3bP1/B3P2B/P1PPK1Q1/RN4NR b - - 3 16 ; Best move: f4g5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at e8 and black rook at h8. Black pawn at e7, black pawn at f7 and white pawn at g7. Black pawn at a6, black pawn at c6, black pawn at d6, black king at e6, black knight at f6 and black pawn at h6. Black pawn at b5. White pawn at b4, black bishop at f4 and white pawn at g4. White bishop at a3, white pawn at e3 and white bishop at h3. White pawn at a2, white pawn at c2, white pawn at d2, white king at e2 and white queen at g2. 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 3. Full move number is 16. Black to move.