r1bqk2r/p1pp1p2/1p1bp2B/5npp/2N1P3/3PQP1P/PPP3P1/R3KBNR w KQkq - 2 10
FEN state: r1bqk2r/p1pp1p2/1p1bp2B/5npp/2N1P3/3PQP1P/PPP3P1/R3KBNR w KQkq - 2 10 ; Best move: c4d6
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 h8. Black pawn at a7, black pawn at c7, black pawn at d7 and black pawn at f7. Black pawn at b6, black bishop at d6, black pawn at e6 and white bishop at h6. Black knight at f5, black pawn at g5 and black pawn at h5. White knight at c4 and white pawn at e4. White pawn at d3, white queen at e3, white pawn at f3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at c2 and white pawn at g2. White rook at a1, white king at e1, white bishop at f1, 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 2. Full move number is 10. White to move.