r3kbr1/pq4pp/1n5B/2pp1pN1/2Np1P2/1P6/P2QP1PP/R1K2B1R w q - 1 17
FEN state: r3kbr1/pq4pp/1n5B/2pp1pN1/2Np1P2/1P6/P2QP1PP/R1K2B1R w q - 1 17 ; Best move: c4e5
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black queen at b7, black pawn at g7 and black pawn at h7. Black knight at b6 and white bishop at h6. Black pawn at c5, black pawn at d5, black pawn at f5 and white knight at g5. White knight at c4, black pawn at d4 and white pawn at f4. White pawn at b3. White pawn at a2, white queen at d2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at a1, white king at c1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 17. White to move.