rnb1kb1r/2pp1ppp/p3pq2/1p5P/1P3P2/N1n5/PBPPP1PR/1R1QKBN1 b kq - 3 10
FEN state: rnb1kb1r/2pp1ppp/p3pq2/1p5P/1P3P2/N1n5/PBPPP1PR/1R1QKBN1 b kq - 3 10 ; Best move: f6f4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at c7, black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at e6 and black queen at f6. Black pawn at b5 and white pawn at h5. White pawn at b4 and white pawn at f4. White knight at a3 and black knight at c3. White pawn at a2, white bishop at b2, white pawn at c2, white pawn at d2, white pawn at e2, white pawn at g2 and white rook at h2. White rook at b1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. Black kingside and black queenside castles are available. Half move number is 3. Full move number is 10. Black to move.