Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Common russian riichi rating (CRR)
Rating date July 20, 2023 (latest changes July 20, 2023).
4 place (701.46).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (573.33 * 3.45 * 0.43 + 906.67 * 4.20 * 1 + 172.41 * 3.75 * 1 + 739.13 * 2.80 * 1 + 0 * 3.10 * 0.43 + 746.27 * 3.50 * 0.57 + 981.98 * 4.05 * 0.86) / (3.45 * 0.43 + 4.20 * 1 + 3.75 * 1 + 2.80 * 1 + 3.10 * 0.43 + 3.50 * 0.57 + 4.05 * 0.86) = 644.9835601730774
p2 = (906.67 * 4.20 * 1 + 981.98 * 4.05 * 0.86 + 739.13 * 2.80 * 1 + 746.27 * 3.50 * 0.57) / max_coefficients = 757.9317015270454
score = 644.9835601730774 * 0.5 + 757.9317015270454 * 0.5 = 701.4576308500614
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-07-20 | 3 -> 4 | 715.88 -> 701.46 |
Tenpai can't buy happiness: 71% -> 57% |
2023-06-19 | 9 -> 3 | 702.66 -> 715.88 |
Agari team tournament: 57% -> 43% |
2021-02-01 | 15 -> 9 | 701.71 -> 702.66 | |
2020-02-01 | 15 | 701.71 |