Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

Rating date July 20, 2023 (latest changes July 20, 2023).

47 place (419.39).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.57) = 13.421155

p1 = (253.33 * 3.45 * 0.43 + 603.60 * 4.05 * 0.86 + 426.67 * 4.20 * 1 + 390.80 * 3.75 * 1 + 0) / (3.45 * 0.43 + 4.05 * 0.86 + 4.20 * 1 + 3.75 * 1 + 1) = 412.0439498774275

p2 = (603.60 * 4.05 * 0.86 + 426.67 * 4.20 * 1 + 390.80 * 3.75 * 1 + 253.33 * 3.45 * 0.43) / max_coefficients = 426.7427058252439

score = 412.0439498774275 * 0.5 + 426.7427058252439 * 0.5 = 419.3933278513357

Rating changes

Show

all results
Date Place Points Reason
2023-07-20 48 -> 47 411.73 -> 419.39
2023-06-12 47 -> 48 419.39 -> 411.73

Moscow Riichi 2022: 100% -> 86%
2023-06-11 47 380.71 -> 419.39

Money can not buy tenpai: 0% -> 100%
2023-05-28 49 -> 47 379.90 -> 380.71

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 50 -> 49 372.87 -> 379.90
2023-05-06 51 -> 50 372.87
2023-05-05 51 372.87

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 86% 4.05 RR Moscow Riichi 2022 Moscow
4 253 2021-11-28 57/76 43% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg