Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

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

41 place (422.45).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.43) = 13.085650000000001

p1 = (603.60 * 4.05 * 0.43 + 426.67 * 4.20 * 0.86 + 390.80 * 3.75 * 1 + 420.56 * 4 * 1 + 0) / (4.05 * 0.43 + 4.20 * 0.86 + 3.75 * 1 + 4 * 1 + 1) = 406.89851018589843

p2 = (420.56 * 4 * 1 + 426.67 * 4.20 * 0.86 + 390.80 * 3.75 * 1 + 603.60 * 4.05 * 0.43) / max_coefficients = 437.993527260778

score = 406.89851018589843 * 0.5 + 437.993527260778 * 0.5 = 422.4460187233382

Rating changes

Show

all results
Date Place Points Reason
2023-12-19 42 -> 41 422.45
2023-12-12 41 -> 42 429.83 -> 422.45

Moscow Riichi 2022: 57% -> 43%
2023-12-09 41 429.83

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 421 2023-09-03 63/108 100% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 391 2023-06-11 54/88 100% 3.75 RR Money can not buy tenpai Perm
3 427 2022-11-06 44/76 86% 4.20 RR IX Russian Riichi Championship Perm
4 604 2022-06-12 45/112 43% 4.05 RR Moscow Riichi 2022 Moscow
5 253 2021-11-28 57/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg