rn2kbrn/p1pq2pp/3pp3/1p1b1p2/1P6/2QPPP1P/P1P1B1P1/RNB1K1NR w q - 6 17
FEN state: rn2kbrn/p1pq2pp/3pp3/1p1b1p2/1P6/2QPPP1P/P1P1B1P1/RNB1K1NR w q - 6 17 ; Best move: e3e4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8, black rook at g8 and black knight at h8. Black pawn at a7, black pawn at c7, black queen at d7, black pawn at g7 and black pawn at h7. Black pawn at d6 and black pawn at e6. Black pawn at b5, black bishop at d5 and black pawn at f5. White pawn at b4. White queen at c3, white pawn at d3, white pawn at e3, white pawn at f3 and white pawn at h3. White pawn at a2, white pawn at c2, white bishop at e2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 6. Full move number is 17. White to move.