After extensive testing (I was off line this week and let
the test go on) it seems this change is useless:
After 33968 games on a QUAD (4 threads) at 15"+0.05
Mod vs Orig 5425 - 5550 - 22993 ELO -1 (+-2.1)
No functional change.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
// Step 19. Check for split
if ( !SpNode
&& depth >= Threads.min_split_depth()
- && depth - reduction<PvNode>(depth, moveCount) >= Threads.min_split_depth()
&& bestValue < beta
&& Threads.available_slave_exists(thisThread)
&& !Signals.stop