Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

Rating date Oct. 21, 2026 (latest changes Oct. 16, 2026).

207 place (178.75).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (294.12 * 3.05 * 0.29 + 67.80 * 3.25 * 0.29 + 518.52 * 2.45 * 1 + 0 + 0) / (3.05 * 0.29 + 3.25 * 0.29 + 2.45 * 1 + 1 + 1) = 254.3412625141802

p2 = (518.52 * 2.45 * 1 + 294.12 * 3.05 * 0.29 + 67.80 * 3.25 * 0.29) / max_coefficients = 103.15444516547696

score = 254.3412625141802 * 0.5 + 103.15444516547696 * 0.5 = 178.74785383982857

Rating changes

Show

all results
Date Place Points Reason
2026-10-16 212 -> 207 173.32 -> 178.75

White Wolf Cup: 43% -> 29%
2026-10-13 198 -> 212 214.78 -> 173.32

Moscow Riichi 2024: 14% -> 0%
2026-10-03 199 -> 198 214.78
2026-10-02 199 218.56 -> 214.78

Agari Winter Tournament 2025: 43% -> 29%
2026-09-06 191 -> 199 218.56
2026-09-01 193 -> 191 218.56
2026-08-31 193 218.35 -> 218.56
2026-08-27 194 -> 193 218.35
2026-08-16 197 -> 194 211.67 -> 218.35

White Wolf Cup: 57% -> 43%
2026-08-15 197 211.18 -> 211.67

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 519 2026-05-17 14/28 100% 2.45 RR Hatiko under the sakura Korolyov
2 68 2025-02-16 56/60 29% 3.25 RR White Wolf Cup Saint Petersburg
3 294 2025-02-02 37/52 29% 3.05 RR Agari Winter Tournament 2025 Moscow
4 539 2024-10-13 42/90 0% 3.75 RR Moscow Riichi 2024 Moscow
5 19 2024-05-12 106/108 0% 4.60 RR X Russian Championship Perm
6 413 2024-03-30 28/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
7 667 2024-03-10 18/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
8 421 2023-09-03 63/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
9 391 2023-06-11 54/88 0% 3.75 RR Money can not buy tenpai Perm
10 427 2022-11-06 44/76 0% 4.20 RR IX Russian Riichi Championship Perm
11 604 2022-06-12 45/112 0% 4.05 RR Moscow Riichi 2022 Moscow
12 253 2021-11-28 57/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg