rn2kb1r/3bpp1n/p6p/q1pp4/P1N1P2P/N1PP2p1/RP3BB1/3QK2R w Kkq - 0 17
FEN state: rn2kb1r/3bpp1n/p6p/q1pp4/P1N1P2P/N1PP2p1/RP3BB1/3QK2R w Kkq - 0 17 ; Best move: c4a5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black bishop at d7, black pawn at e7, black pawn at f7 and black knight at h7. Black pawn at a6 and black pawn at h6. Black queen at a5, black pawn at c5 and black pawn at d5. White pawn at a4, white knight at c4, white pawn at e4 and white pawn at h4. White knight at a3, white pawn at c3, white pawn at d3 and black pawn at g3. White rook at a2, white pawn at b2, white bishop at f2 and white bishop at g2. White queen at d1, white king at e1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 17. White to move.