r3k1r1/p2q1n1p/np1bp3/1bpp2p1/1P4PP/N1PPPQ2/P4P1R/R1B1KB2 w Qq - 1 17
FEN state: r3k1r1/p2q1n1p/np1bp3/1bpp2p1/1P4PP/N1PPPQ2/P4P1R/R1B1KB2 w Qq - 1 17 ; Best move: a3b5
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at g8. Black pawn at a7, black queen at d7, black knight at f7 and black pawn at h7. Black knight at a6, black pawn at b6, black bishop at d6 and black pawn at e6. Black bishop at b5, black pawn at c5, black pawn at d5 and black pawn at g5. White pawn at b4, white pawn at g4 and white pawn at h4. White knight at a3, white pawn at c3, white pawn at d3, white pawn at e3 and white queen at f3. White pawn at a2, white pawn at f2 and white rook at h2. White rook at a1, white bishop at c1, white king at e1 and white bishop at f1. White queenside and black queenside castles are available. Half move number is 1. Full move number is 17. White to move.