1nb2bnr/3pp1pp/2rk4/ppp1N3/2B1Pp1P/1QNPB1P1/PP3P2/R3K1R1 w Q - 4 17
FEN state: 1nb2bnr/3pp1pp/2rk4/ppp1N3/2B1Pp1P/1QNPB1P1/PP3P2/R3K1R1 w Q - 4 17 ; Best move: c3b5
The current state of the chess board is: Black knight at b8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at d7, black pawn at e7, black pawn at g7 and black pawn at h7. Black rook at c6 and black king at d6. Black pawn at a5, black pawn at b5, black pawn at c5 and white knight at e5. White bishop at c4, white pawn at e4, black pawn at f4 and white pawn at h4. White queen at b3, white knight at c3, white pawn at d3, white bishop at e3 and white pawn at g3. White pawn at a2, white pawn at b2 and white pawn at f2. White rook at a1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 4. Full move number is 17. White to move.