r1q1kb1r/2ppp1p1/bpn4p/p2P1p2/1P6/P1N2BP1/2QPPP1P/R1B1K1NR w KQkq - 6 10
FEN state: r1q1kb1r/2ppp1p1/bpn4p/p2P1p2/1P6/P1N2BP1/2QPPP1P/R1B1K1NR w KQkq - 6 10 ; Best move: d5c6
The current state of the chess board is: Black rook at a8, black queen 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 e7 and black pawn at g7. Black bishop at a6, black pawn at b6, black knight at c6 and black pawn at h6. Black pawn at a5, white pawn at d5 and black pawn at f5. White pawn at b4. White pawn at a3, white knight at c3, white bishop at f3 and white pawn at g3. White queen at c2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at h2. 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 6. Full move number is 10. White to move.