3rkbr1/pppqp2p/2n4P/4nNp1/3p2P1/PP1P4/1BPQPP1R/R2NKB2 b Q - 0 16
FEN state: 3rkbr1/pppqp2p/2n4P/4nNp1/3p2P1/PP1P4/1BPQPP1R/R2NKB2 b Q - 0 16 ; Best move: e5g4
The current state of the chess board is: Black rook at d8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at c7, black queen at d7, black pawn at e7 and black pawn at h7. Black knight at c6 and white pawn at h6. Black knight at e5, white knight at f5 and black pawn at g5. Black pawn at d4 and white pawn at g4. White pawn at a3, white pawn at b3 and white pawn at d3. White bishop at b2, white pawn at c2, white queen at d2, white pawn at e2, white pawn at f2 and white rook at h2. White rook at a1, white knight at d1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 0. Full move number is 16. Black to move.