After playing the games, our Jupiter Scientific expert player
felt that if there was a way to increase one's chances of winning beyond the 43% figure,
then it would involve a strategy similar to the card game bridge.
In trying to make the bid, the declarer makes assumptions about the location of key cards.
A similar thing might be possible (but requires a lot of analysis) in Klondike Solitaire:
The player can examine the tableau and all cards in the deck to try to make a decision
as to where a problematic situation might be occurring
and then focus efforts on addressing it.