Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

Rating date June 12, 2023 (latest changes June 12, 2023).

48 place (411.73).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305

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 = 411.41114284903614

score = 412.0439498774275 * 0.5 + 411.41114284903614 * 0.5 = 411.7275463632318

Rating changes

Show

all results
Date Place Points Reason
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
2023-04-19 53 -> 51 369.63 -> 372.87
2023-03-28 55 -> 53 368.38 -> 369.63

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 56 -> 55 362.14 -> 368.38
2023-03-06 59 -> 56 362.14
2023-02-19 59 359.86 -> 362.14

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 391 2023-06-11 54/88 100% 3.75 RR Money can not buy tenpai
2 427 2022-11-06 44/76 100% 4.20 RR IX Russian Riichi Championship
3 604 2022-06-12 45/112 86% 4.05 RR Moscow Riichi 2022
4 253 2021-11-28 57/76 43% 3.45 RR Saint Petersburg Open 2021