Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

Rating date Jan. 22, 2026 (latest changes Jan. 14, 2026).

172 place (234.25).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (666.67 * 3.05 * 0.14 + 413.04 * 2.10 * 0.29 + 18.69 * 4.60 * 0.29 + 539.33 * 3.75 * 0.71 + 294.12 * 3.05 * 1 + 67.80 * 3.25 * 1) / (3.05 * 0.14 + 2.10 * 0.29 + 4.60 * 0.29 + 3.75 * 0.71 + 3.05 * 1 + 3.25 * 1) = 275.84727584727585

p2 = (539.33 * 3.75 * 0.71 + 294.12 * 3.05 * 1 + 666.67 * 3.05 * 0.14 + 413.04 * 2.10 * 0.29) / max_coefficients = 192.647491638796

score = 275.84727584727585 * 0.5 + 192.647491638796 * 0.5 = 234.24738374303593

Rating changes

Show

all results
Date Place Points Reason
2026-01-14 173 -> 172 234.25
2026-01-12 175 -> 173 227.20 -> 234.25

X Russian Championship: 43% -> 29%
2026-01-10 171 -> 175 244.01 -> 227.20

Agari Spring Tournament 2024: 29% -> 14%
2026-01-07 168 -> 171 244.01
2025-12-13 161 -> 168 259.11 -> 244.01

Moscow Riichi 2024: 86% -> 71%
2025-12-07 156 -> 161 259.11
2025-11-30 156 264.68 -> 259.11

Seihoku spring tournament 2024: 43% -> 29%
2025-11-12 160 -> 156 258.29 -> 264.68

X Russian Championship: 57% -> 43%
2025-11-10 154 -> 160 273.92 -> 258.29

Agari Spring Tournament 2024: 43% -> 29%
2025-11-04 148 -> 154 279.81 -> 273.92

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 68 2025-02-16 56/60 100% 3.25 RR White Wolf Cup Saint Petersburg
2 294 2025-02-02 37/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
3 539 2024-10-13 42/90 71% 3.75 RR Moscow Riichi 2024 Moscow
4 19 2024-05-12 106/108 29% 4.60 RR X Russian Championship Perm
5 413 2024-03-30 28/47 29% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
6 667 2024-03-10 18/52 14% 3.05 RR Agari Spring Tournament 2024 Moscow
7 421 2023-09-03 63/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
8 391 2023-06-11 54/88 0% 3.75 RR Money can not buy tenpai Perm
9 427 2022-11-06 44/76 0% 4.20 RR IX Russian Riichi Championship Perm
10 604 2022-06-12 45/112 0% 4.05 RR Moscow Riichi 2022 Moscow
11 253 2021-11-28 57/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg