rnb1kbr1/4q3/p1ppppp1/1p3Q2/1P1PP2p/N5P1/P1P1NP1P/R1BK1B1R w q - 6 18
FEN state: rnb1kbr1/4q3/p1ppppp1/1p3Q2/1P1PP2p/N5P1/P1P1NP1P/R1BK1B1R w q - 6 18 ; Best move: f5f3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black queen at e7. Black pawn at a6, black pawn at c6, black pawn at d6, black pawn at e6, black pawn at f6 and black pawn at g6. Black pawn at b5 and white queen at f5. White pawn at b4, white pawn at d4, white pawn at e4 and black pawn at h4. White knight at a3 and white pawn at g3. White pawn at a2, white pawn at c2, white knight at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 6. Full move number is 18. White to move.