Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Common russian riichi rating (CRR)
Rating date Oct. 13, 2024 (latest changes Oct. 13, 2024).
82 place (443.08).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (426.67 * 4.20 * 0.14 + 0 * 2.80 * 0.29 + 390.80 * 3.75 * 0.57 + 420.56 * 4 * 0.86 + 318.18 * 2.10 * 1 + 461.54 * 2.90 * 1 + 666.67 * 3.05 * 1 + 413.04 * 2.10 * 1 + 473.68 * 1.50 * 1 + 539.33 * 3.75 * 1) / (4.20 * 0.14 + 2.80 * 0.29 + 3.75 * 0.57 + 4 * 0.86 + 2.10 * 1 + 2.90 * 1 + 3.05 * 1 + 2.10 * 1 + 1.50 * 1 + 3.75 * 1) = 454.85486085067055
p2 = (666.67 * 3.05 * 1 + 539.33 * 3.75 * 1 + 420.56 * 4 * 0.86 + 461.54 * 2.90 * 1) / max_coefficients = 431.30031545741326
score = 454.85486085067055 * 0.5 + 431.30031545741326 * 0.5 = 443.0775881540419
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2024-09-15 | 90 -> 92 | 406.97 | |
| 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% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 539 |
|
42/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 2 | 474 |
|
11/20 | 100% | 1.50 | CRR | Duplicate riichi mahjong tournament 2024 |
| 3 | 19 |
|
106/108 | 100% | 4.60 | RR | X Russian Championship |
| 4 | 413 |
|
28/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 5 | 667 |
|
18/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 6 | 462 |
|
22/40 | 100% | 2.90 | CRR | Autumn Agari tournament |
| 7 | 318 |
|
16/23 | 100% | 2.10 | CRR | Mushroom League |
| 8 | 421 |
|
63/108 | 86% | 4.00 | RR | SPB Riichi Open 2023 |
| 9 | 391 |
|
54/88 | 57% | 3.75 | RR | Money can not buy tenpai |
| 10 | 0 |
|
24/24 | 29% | 2.80 | CRR | Meeting in the billiard room |
| 11 | 427 |
|
44/76 | 14% | 4.20 | RR | IX Russian Riichi Championship |
| 12 | 604 |
|
45/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 13 | 253 |
|
57/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |