Ivanov Georgy
From Saint Petersburg, Russia
EMA: 15990301
Common russian riichi rating (CRR)
Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).
154 place (174.52).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (290.32 * 1.80 * 1 + 666.67 * 1.80 * 0.86 + 0 + 0 + 0) / (1.80 * 1 + 1.80 * 0.86 + 1 + 1 + 1) = 244.54576699806708
p2 = (666.67 * 1.80 * 0.86 + 290.32 * 1.80 * 1) / max_coefficients = 104.50103635303442
score = 244.54576699806708 * 0.5 + 104.50103635303442 * 0.5 = 174.52340167555076
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-03 | 136 -> 154 | 179.12 -> 174.52 | |
2023-08-27 | 128 -> 136 | 193.63 -> 179.12 |
Sun tournament: 100% -> 86% |
2023-08-26 | 127 -> 128 | 193.63 | |
2023-08-12 | 127 | 191.06 -> 193.63 | |
2023-07-28 | 128 -> 127 | 191.06 | |
2023-07-09 | 130 -> 128 | 191.06 | |
2023-07-06 | 132 -> 130 | 191.06 | |
2023-07-03 | 133 -> 132 | 191.06 | |
2023-06-12 | 133 | 188.69 -> 191.06 | |
2023-06-11 | 120 -> 133 | 194.06 -> 188.69 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 290 |
|
23/32 | 100% | 1.80 | CRR | Earth cup |
2 | 667 |
|
14/40 | 86% | 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 |