v2-gen2

1 million self play games of v1-gen3 at depth 7 + 1 million self play games of v2-gen1 at depth 7

{
  "games_completed": 2000000,
  "total_positions": 338463943,
  "white_wins": 608328,
  "black_wins": 603581,
  "draws": 788091
}

Architecture for v2 generations - (768 -> 64) x 2 -> 1

Score of v2-gen2 vs v2-gen1 : 229 - 114 - 157 [0.615]
...      v2-gen2 playing White: 133 - 45 - 72  [0.676] 250
...      v2-gen2 playing Black: 96 - 69 - 85  [0.554] 250
...      White vs Black: 202 - 141 - 157  [0.561] 500
Elo difference: 81.4 +/- 25.6, LOS: 100.0 %, DrawRatio: 31.4 %
SPRT: llr 0 (0.0%), lbound -inf, ubound inf
500 of 500 games finished.