Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

Rating date Aug. 19, 2023 (latest changes Aug. 19, 2023).

47 place (409.28).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 3.50 * 0.57) = 12.842815

p1 = (253.33 * 3.45 * 0.29 + 603.60 * 4.05 * 0.71 + 390.80 * 3.75 * 1 + 426.67 * 4.20 * 1 + 0) / (3.45 * 0.29 + 4.05 * 0.71 + 3.75 * 1 + 4.20 * 1 + 1) = 409.506741977678

p2 = (426.67 * 4.20 * 1 + 603.60 * 4.05 * 0.71 + 390.80 * 3.75 * 1 + 253.33 * 3.45 * 0.29) / max_coefficients = 409.0528439442599

score = 409.506741977678 * 0.5 + 409.0528439442599 * 0.5 = 409.27979296096896

Rating changes

Show

all results
Date Place Points Reason
2023-08-19 48 -> 47 409.28
2023-08-12 47 -> 48 417.66 -> 409.28

Moscow Riichi 2022: 86% -> 71%
2023-07-28 47 419.39 -> 417.66

Saint Petersburg Open 2021: 43% -> 29%
2023-07-20 48 -> 47 411.73 -> 419.39
2023-06-19 48 411.73

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 391 2023-06-11 54/88 100% 3.75 RR Money can not buy tenpai Perm
2 427 2022-11-06 44/76 100% 4.20 RR IX Russian Riichi Championship Perm
3 604 2022-06-12 45/112 71% 4.05 RR Moscow Riichi 2022 Moscow
4 253 2021-11-28 57/76 29% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg