Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Common russian riichi rating (CRR)

Rating date Sept. 6, 2024 (latest changes Sept. 6, 2024).

90 place (406.97).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (0 * 2.80 * 0.29 + 666.67 * 3.05 * 1 + 318.18 * 2.10 * 1 + 426.67 * 4.20 * 0.14 + 390.80 * 3.75 * 0.71 + 420.56 * 4 * 0.86 + 461.54 * 2.90 * 1 + 413.04 * 2.10 * 1 + 473.68 * 1.50 * 1) / (2.80 * 0.29 + 3.05 * 1 + 2.10 * 1 + 4.20 * 0.14 + 3.75 * 0.71 + 4 * 0.86 + 2.90 * 1 + 2.10 * 1 + 1.50 * 1) = 436.5280562129105

p2 = (666.67 * 3.05 * 1 + 420.56 * 4 * 0.86 + 461.54 * 2.90 * 1 + 390.80 * 3.75 * 0.71) / max_coefficients = 377.4026944179696

score = 436.5280562129105 * 0.5 + 377.4026944179696 * 0.5 = 406.96537531544004

Rating changes

Show

Date Place Points Reason
2024-09-06 93 -> 90 406.82 -> 406.97

IX Russian Riichi Championship: 29% -> 14%

2024-09-03 91 -> 93 407.36 -> 406.82

SPB Riichi Open 2023: 100% -> 86%

2024-09-01 81 -> 91 417.27 -> 407.36
2024-08-26 83 -> 81 417.27
2024-08-25 84 -> 83 417.27
2024-08-18 86 -> 84 413.06 -> 417.27

Meeting in the billiard room: 43% -> 29%

2024-08-11 85 -> 86 417.25 -> 413.06

Money can not buy tenpai: 86% -> 71%

2024-08-04 75 -> 85 425.49 -> 417.25
2024-07-14 71 -> 75 425.49
2024-07-06 73 -> 71 425.49

IX Russian Riichi Championship: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 474 2024-05-25 11/20 100% 1.50 CRR Duplicate riichi mahjong tournament 2024
2 19 2024-05-12 106/108 100% 4.60 RR X Russian Championship
3 413 2024-03-30 28/47 100% 2.10 RR Seihoku spring tournament 2024
4 667 2024-03-10 18/52 100% 3.05 RR Agari Spring Tournament 2024
5 462 2023-11-26 22/40 100% 2.90 CRR Autumn Agari tournament
6 318 2023-10-22 16/23 100% 2.10 CRR Mushroom League
7 421 2023-09-03 63/108 86% 4.00 RR SPB Riichi Open 2023
8 391 2023-06-11 54/88 71% 3.75 RR Money can not buy tenpai
9 0 2022-12-18 24/24 29% 2.80 CRR Meeting in the billiard room
10 427 2022-11-06 44/76 14% 4.20 RR IX Russian Riichi Championship
11 604 2022-06-12 45/112 0% 4.05 RR Moscow Riichi 2022
12 253 2021-11-28 57/76 0% 3.45 RR Saint Petersburg Open 2021