r3k2r/2ppq1bp/b3pp1n/pP2n1p1/3Q4/2N1BPP1/1P2P1KP/5BNR w kq - 2 17
FEN state: r3k2r/2ppq1bp/b3pp1n/pP2n1p1/3Q4/2N1BPP1/1P2P1KP/5BNR w kq - 2 17 ; Best move: b5a6
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at h8. Black pawn at c7, black pawn at d7, black queen at e7, black bishop at g7 and black pawn at h7. Black bishop at a6, black pawn at e6, black pawn at f6 and black knight at h6. Black pawn at a5, white pawn at b5, black knight at e5 and black pawn at g5. White queen at d4. White knight at c3, white bishop at e3, white pawn at f3 and white pawn at g3. White pawn at b2, white pawn at e2, white king at g2 and white pawn at h2. White bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 2. Full move number is 17. White to move.