Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

Rating date Jan. 3, 2025 (latest changes Jan. 3, 2025).

88 place (375.32).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (390.80 * 3.75 * 0.43 + 420.56 * 4 * 0.57 + 413.04 * 2.10 * 1 + 18.69 * 4.60 * 1 + 539.33 * 3.75 * 1 + 666.67 * 3.05 * 1) / (3.75 * 0.43 + 4 * 0.57 + 2.10 * 1 + 4.60 * 1 + 3.75 * 1 + 3.05 * 1) = 379.3811824974055

p2 = (666.67 * 3.05 * 1 + 539.33 * 3.75 * 1 + 420.56 * 4 * 0.57 + 413.04 * 2.10 * 1) / max_coefficients = 371.2567823343849

score = 379.3811824974055 * 0.5 + 371.2567823343849 * 0.5 = 375.3189824158952

Rating changes

Show

all results
Date Place Points Reason
2025-01-03 89 -> 88 383.56 -> 375.32

SPB Riichi Open 2023: 71% -> 57%
2024-12-11 90 -> 89 383.70 -> 383.56

Money can not buy tenpai: 57% -> 43%
2024-11-06 92 -> 90 384.42 -> 383.70

IX Russian Riichi Championship: 14% -> 0%
2024-11-03 89 -> 92 392.55 -> 384.42

SPB Riichi Open 2023: 86% -> 71%
2024-10-13 98 -> 89 340.21 -> 392.55

Moscow Riichi 2024: 0% -> 100%
2024-10-11 98 347.67 -> 340.21

Money can not buy tenpai: 71% -> 57%
2024-09-06 98 349.04 -> 347.67

IX Russian Riichi Championship: 29% -> 14%
2024-09-03 98 351.48 -> 349.04

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 84 -> 98 360.62 -> 351.48
2024-08-11 83 -> 84 365.98 -> 360.62

Money can not buy tenpai: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 539 2024-10-13 42/90 100% 3.75 RR Moscow Riichi 2024
2 19 2024-05-12 106/108 100% 4.60 RR X Russian Championship
3 413 2024-03-30 28/47 100% 2.10 RR Seihoku spring tournament 2024
4 667 2024-03-10 18/52 100% 3.05 RR Agari Spring Tournament 2024
5 421 2023-09-03 63/108 57% 4.00 RR SPB Riichi Open 2023
6 391 2023-06-11 54/88 43% 3.75 RR Money can not buy tenpai
7 427 2022-11-06 44/76 0% 4.20 RR IX Russian Riichi Championship
8 604 2022-06-12 45/112 0% 4.05 RR Moscow Riichi 2022
9 253 2021-11-28 57/76 0% 3.45 RR Saint Petersburg Open 2021