Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

Rating date June 23, 2026 (latest changes June 16, 2026).

186 place (232.93).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (539.33 * 3.75 * 0.29 + 294.12 * 3.05 * 0.57 + 67.80 * 3.25 * 0.57 + 518.52 * 2.45 * 1 + 0) / (3.75 * 0.29 + 3.05 * 0.57 + 3.25 * 0.57 + 2.45 * 1 + 1) = 306.19508582172944

p2 = (518.52 * 2.45 * 1 + 539.33 * 3.75 * 0.29 + 294.12 * 3.05 * 0.57 + 67.80 * 3.25 * 0.57) / max_coefficients = 159.6669087350738

score = 306.19508582172944 * 0.5 + 159.6669087350738 * 0.5 = 232.9309972784016

Rating changes

Show

all results
Date Place Points Reason
2026-06-16 194 -> 186 227.49 -> 232.93

White Wolf Cup: 71% -> 57%
2026-06-15 194 224.56 -> 227.49
2026-06-14 172 -> 194 231.44 -> 224.56
2026-06-13 166 -> 172 248.39 -> 231.44

Moscow Riichi 2024: 43% -> 29%
2026-06-09 168 -> 166 248.39
2026-06-04 170 -> 168 248.39
2026-06-02 169 -> 170 252.40 -> 248.39

Agari Winter Tournament 2025: 71% -> 57%
2026-05-17 202 -> 169 158.74 -> 252.40

Hatiko under the sakura: 0% -> 100%
2026-05-14 203 -> 202 158.74
2026-05-12 211 -> 203 164.48 -> 158.74

X Russian Championship: 14% -> 0%

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 57% 3.25 RR White Wolf Cup Saint Petersburg
3 294 2025-02-02 37/52 57% 3.05 RR Agari Winter Tournament 2025 Moscow
4 539 2024-10-13 42/90 29% 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