Finished
SwedisRecklessu8_nnzdiff4.0+0.04
LLR: -2.29 (-2.25, 2.89) [0.00, 3.00]
Games: 19270 W: 4944 L: 5035 D: 9291
Ptnml(0-2): 79, 2127, 5315, 2034, 80
faster NNZ using the fact that L1 < 4 * 2^8 so the indices can be 8 bits instead of 16 my idea but impl is almost copied verbatim from the one anematode wrote https://tests.stockfishchess.org/tests/view/69855f88c5ad5e83c2ca2871