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New version chess engine: Nectar 0.2.0 and NNUE

on

Nectar - UCI chess engine
Author: Dragjon

The engine was created recently and has not played enough games yet to be on the CEDR ranking list. Tests of this version soon.

v 0.2.0:
Not-so-major release 0.2.0
Changes from V0.1.5
V Elo Detail
0.2.0 32.6 +/- 18.9 Late move pruning
0.1.9 13.1 +/- 10.3 Added conditions for NMP
0.1.8 103.7 +/- 36.9 Weather Factory tune (a=1000)
0.1.7 23.7 +/- 15.6 Changed train epoch from 50 to 70
0.1.6 23.9 +/- 15.7 Removed LMP
STC (SPRT) vs 0.1.9
Score of NectarV0.2.0 vs NectarV0.1.9: 393 - 304 - 254  [0.547] 951
...      NectarV0.2.0 playing White: 196 - 147 - 133  [0.551] 476
...      NectarV0.2.0 playing Black: 197 - 157 - 121  [0.542] 475
...      White vs Black: 353 - 344 - 254  [0.505] 951
Elo difference: 32.6 +/- 18.9, LOS: 100.0 %, DrawRatio: 26.7 %
SPRT: llr 2.97 (100.8%), lbound -2.94, ubound 2.94 - H1 was accepted
STC vs 0.1.5
Score of NectarV0.2.0 vs NectarV0.1.5: 63 - 21 - 16  [0.710] 100
...      NectarV0.2.0 playing White: 31 - 8 - 11  [0.730] 50
...      NectarV0.2.0 playing Black: 32 - 13 - 5  [0.690] 50
...      White vs Black: 44 - 40 - 16  [0.520] 100
Elo difference: 155.5 +/- 68.6, LOS: 100.0 %, DrawRatio: 16.0 %
STC vs 0.1.0
Score of NectarV0.2.0 vs NectarV0.1.0: 80 - 15 - 5  [0.825] 100
...      NectarV0.2.0 playing White: 39 - 8 - 3  [0.810] 50
...      NectarV0.2.0 playing Black: 41 - 7 - 2  [0.840] 50
...      White vs Black: 46 - 49 - 5  [0.485] 100
Elo difference: 269.4 +/- 89.9, LOS: 100.0 %, DrawRatio: 5.0 %


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