Add SF_9 depth 50 branching factor
Update branching factor graph
Updated Useful data (markdown)
add depth 50 stockfish 10 nodes
Add SF_19 branching factor
Add SF_18 branching factor
update plot
Add plot of LTC book exit depth on fishtest over time.
Elo gain as from depth increase as a function of depth
Add Stockfish 17.1 TB data
Correct details for WDL plot, and provide more details.
Fixed link because this branch is now in my old repo Stockfish-old
Fix link.
Change WLD to WDL and update link to graph image.
normalize md headings
Reverse table order