Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

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Common russian riichi rating (CRR)

Rating date June 12, 2026 (latest changes June 9, 2026).

138 place (356.46).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (539.33 * 3.75 * 0.43 + 294.12 * 3.05 * 0.57 + 67.80 * 3.25 * 0.71 + 705.88 * 2.30 * 1 + 518.52 * 2.45 * 1) / (3.75 * 0.43 + 3.05 * 0.57 + 3.25 * 0.71 + 2.30 * 1 + 2.45 * 1) = 425.1501344096984

p2 = (705.88 * 2.30 * 1 + 518.52 * 2.45 * 1 + 539.33 * 3.75 * 0.43 + 294.12 * 3.05 * 0.57) / max_coefficients = 287.76498316498316

score = 425.1501344096984 * 0.5 + 287.76498316498316 * 0.5 = 356.45755878734076

Rating changes

Show

all results
Date Place Points Reason
2026-06-09 140 -> 138 356.46
2026-06-04 142 -> 140 356.46
2026-06-02 140 -> 142 358.14 -> 356.46

Agari Winter Tournament 2025: 71% -> 57%
2026-05-31 139 -> 140 358.14
2026-05-26 140 -> 139 358.14
2026-05-25 140 358.66 -> 358.14

Duplicate riichi mahjong tournament 2024: 14% -> 0%
2026-05-19 142 -> 140 358.66
2026-05-17 174 -> 142 307.32 -> 358.66

Hatiko under the sakura: 0% -> 100%
2026-05-15 175 -> 174 307.32
2026-05-12 195 -> 175 294.06 -> 307.32

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
2 706 2026-03-14 16/52 100% 2.30 CRR "Furin" club tournament: for the anniversary Moscow
3 68 2025-02-16 56/60 71% 3.25 RR White Wolf Cup Saint Petersburg
4 294 2025-02-02 37/52 57% 3.05 RR Agari Winter Tournament 2025 Moscow
5 539 2024-10-13 42/90 43% 3.75 RR Moscow Riichi 2024 Moscow
6 474 2024-05-25 11/20 0% 1.50 CRR Duplicate riichi mahjong tournament 2024 Moscow
7 19 2024-05-12 106/108 0% 4.60 RR X Russian Championship Perm
8 413 2024-03-30 28/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
9 667 2024-03-10 18/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
10 462 2023-11-26 22/40 0% 2.90 CRR Autumn Agari tournament Moscow
11 318 2023-10-22 16/23 0% 2.10 CRR Mushroom League Moscow
12 421 2023-09-03 63/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
13 391 2023-06-11 54/88 0% 3.75 RR Money can not buy tenpai Perm
14 0 2022-12-18 24/24 0% 2.80 CRR Meeting in the billiard room Moscow
15 427 2022-11-06 44/76 0% 4.20 RR IX Russian Riichi Championship Perm
16 604 2022-06-12 45/112 0% 4.05 RR Moscow Riichi 2022 Moscow
17 253 2021-11-28 57/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg