Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

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

43 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
2023-12-12 42 -> 43 429.83 -> 422.45

Moscow Riichi 2022: 57% -> 43%
2023-11-28 39 -> 42 441.67 -> 429.83

Saint Petersburg Open 2021: 14% -> 0%
2023-11-20 40 -> 39 441.67
2023-11-06 43 -> 40 441.04 -> 441.67

IX Russian Riichi Championship: 100% -> 86%
2023-10-12 43 447.28 -> 441.04

Moscow Riichi 2022: 71% -> 57%
2023-09-28 45 -> 43 444.31 -> 447.28

Saint Petersburg Open 2021: 29% -> 14%
2023-09-20 46 -> 45 444.31
2023-09-06 45 -> 46 444.31
2023-09-03 48 -> 45 409.28 -> 444.31

SPB Riichi Open 2023: 0% -> 100%
2023-08-19 49 -> 48 409.28

Tournaments

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