⚡ Use jagged arrays ([][]) instead of multidimensional ones ([,]) for PSQTs

[eduherminio]

Score of Lynx-jaggedarrays-psqt-2394-win-x64 vs Lynx 2392 - main: 5590 - 5474 - 6556  [0.503] 17620
...      Lynx-jaggedarrays-psqt-2394-win-x64 playing White: 3839 - 1729 - 3242  [0.620] 8810
...      Lynx-jaggedarrays-psqt-2394-win-x64 playing Black: 1751 - 3745 - 3314  [0.387] 8810
...      White vs Black: 7584 - 3480 - 6556  [0.616] 17620
Elo difference: 2.3 +/- 4.1, LOS: 86.5 %, DrawRatio: 37.2 %
SPRT: llr -0.247 (-8.6%), lbound -2.25, ubound 2.89

> python.exe .\sprt.py -w 5590 -l 5474 -d 6556 -e0 -5 -e1 0
ELO: 2.29 +- 4.06 [-1.77, 6.35]
LLR: 4.45 [-5.0, 0.0] (-2.94, 2.94)
H1 Accepted