Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Common russian riichi rating (CRR)

Rating date Dec. 21, 2024 (latest changes Dec. 18, 2024).

96 place (397.18).

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

p1 = (390.80 * 3.75 * 0.43 + 461.54 * 2.90 * 0.86 + 18.69 * 4.60 * 1 + 420.56 * 4 * 0.71 + 413.04 * 2.10 * 1 + 318.18 * 2.10 * 0.86 + 666.67 * 3.05 * 1 + 473.68 * 1.50 * 1 + 539.33 * 3.75 * 1) / (3.75 * 0.43 + 2.90 * 0.86 + 4.60 * 1 + 4 * 0.71 + 2.10 * 1 + 2.10 * 0.86 + 3.05 * 1 + 1.50 * 1 + 3.75 * 1) = 390.28924271419515

p2 = (666.67 * 3.05 * 1 + 539.33 * 3.75 * 1 + 420.56 * 4 * 0.71 + 461.54 * 2.90 * 0.86) / max_coefficients = 404.0776025236593

score = 390.28924271419515 * 0.5 + 404.0776025236593 * 0.5 = 397.18342261892724

Rating changes

Show

Date Place Points Reason
2024-12-18 79 -> 96 436.91 -> 397.18

Meeting in the billiard room: 14% -> 0%

2024-12-11 80 -> 79 435.85 -> 436.91

Money can not buy tenpai: 57% -> 43%

2024-11-26 80 441.83 -> 435.85

Autumn Agari tournament: 100% -> 86%

2024-11-05 82 -> 80 441.25 -> 441.83
2024-11-04 81 -> 82 441.25
2024-11-03 81 448.22 -> 441.25

SPB Riichi Open 2023: 86% -> 71%

2024-10-22 81 447.22 -> 448.22

Mushroom League: 100% -> 86%

2024-10-18 82 -> 81 443.08 -> 447.22

Meeting in the billiard room: 29% -> 14%

2024-10-13 89 -> 82 401.85 -> 443.08

Moscow Riichi 2024: 0% -> 100%

2024-10-11 92 -> 89 406.97 -> 401.85

Money can not buy tenpai: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 539 2024-10-13 42/90 100% 3.75 RR Moscow Riichi 2024
2 474 2024-05-25 11/20 100% 1.50 CRR Duplicate riichi mahjong tournament 2024
3 19 2024-05-12 106/108 100% 4.60 RR X Russian Championship
4 413 2024-03-30 28/47 100% 2.10 RR Seihoku spring tournament 2024
5 667 2024-03-10 18/52 100% 3.05 RR Agari Spring Tournament 2024
6 462 2023-11-26 22/40 86% 2.90 CRR Autumn Agari tournament
7 318 2023-10-22 16/23 86% 2.10 CRR Mushroom League
8 421 2023-09-03 63/108 71% 4.00 RR SPB Riichi Open 2023
9 391 2023-06-11 54/88 43% 3.75 RR Money can not buy tenpai
10 0 2022-12-18 24/24 0% 2.80 CRR Meeting in the billiard room
11 427 2022-11-06 44/76 0% 4.20 RR IX Russian Riichi Championship
12 604 2022-06-12 45/112 0% 4.05 RR Moscow Riichi 2022
13 253 2021-11-28 57/76 0% 3.45 RR Saint Petersburg Open 2021