rnbqk1nr/1p1p4/p2b1ppp/1Np1pQ2/P6P/4P3/1PPPBPP1/R1B1K1NR b KQkq - 0 10
FEN state: rnbqk1nr/1p1p4/p2b1ppp/1Np1pQ2/P6P/4P3/1PPPBPP1/R1B1K1NR b KQkq - 0 10 ; Best move: g6f5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at b7 and black pawn at d7. Black pawn at a6, black bishop at d6, black pawn at f6, black pawn at g6 and black pawn at h6. White knight at b5, black pawn at c5, black pawn at e5 and white queen at f5. White pawn at a4 and white pawn at h4. White pawn at e3. White pawn at b2, white pawn at c2, white pawn at d2, white bishop at e2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. Black to move.