Ivanov Georgy
From Saint Petersburg, Russia
EMA: 15990301
Common russian riichi rating (CRR)
Rating date Jan. 5, 2024 (latest changes Jan. 5, 2024).
153 place (146.05).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
p1 = (666.67 * 1.80 * 0.57 + 290.32 * 1.80 * 1 + 0 + 0 + 0) / (1.80 * 0.57 + 1.80 * 1 + 1 + 1 + 1) = 207.30133893338274
p2 = (666.67 * 1.80 * 0.57 + 290.32 * 1.80 * 1) / max_coefficients = 84.79124648592051
score = 207.30133893338274 * 0.5 + 84.79124648592051 * 0.5 = 146.04629270965162
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-01-05 | 154 -> 153 | 146.05 | |
2023-12-27 | 149 -> 154 | 161.77 -> 146.05 |
Sun tournament: 71% -> 57% |
2023-12-19 | 156 -> 149 | 161.77 | |
2023-12-12 | 158 -> 156 | 161.77 | |
2023-11-28 | 164 -> 158 | 161.77 | |
2023-11-26 | 158 -> 164 | 162.11 -> 161.77 | |
2023-11-06 | 158 | 160.13 -> 162.11 | |
2023-11-05 | 154 -> 158 | 160.13 | |
2023-10-27 | 150 -> 154 | 174.85 -> 160.13 |
Sun tournament: 86% -> 71% |
2023-10-22 | 148 -> 150 | 174.85 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 290 |
|
23/32 | 100% | 1.80 | CRR | Earth cup |
2 | 667 |
|
14/40 | 57% | 1.80 | CRR | Sun tournament |
3 | 522 |
|
12/24 | 0% | 2.50 | RR | West cup 2018 |
4 | 410 |
|
24/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |
5 | 897 |
|
5/40 | 0% | 1.80 | RR | Saint Petersburg championship. West cup 2017 |
6 | 558 |
|
20/44 | 0% | 1.90 | RR | Saint Petersburg championship. South cup 2017 |
7 | 465 |
|
39/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
8 | 742 |
|
9/32 | 0% | 1.60 | RR | Tournament of 4 winds. West cup 2016 |