r1bqkr2/p2p2p1/npp2p1p/4p2P/PbP1P3/3Q1P2/1P1PBKR1/RNB3N1 b q - 3 16
FEN state: r1bqkr2/p2p2p1/npp2p1p/4p2P/PbP1P3/3Q1P2/1P1PBKR1/RNB3N1 b q - 3 16 ; Best move: f6f5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at f8. Black pawn at a7, black pawn at d7 and black pawn at g7. Black knight at a6, black pawn at b6, black pawn at c6, black pawn at f6 and black pawn at h6. Black pawn at e5 and white pawn at h5. White pawn at a4, black bishop at b4, white pawn at c4 and white pawn at e4. White queen at d3 and white pawn at f3. White pawn at b2, white pawn at d2, white bishop at e2, white king at f2 and white rook at g2. White rook at a1, white knight at b1, white bishop at c1 and white knight at g1. Black queenside is the only castle move available. Half move number is 3. Full move number is 16. Black to move.