Chavgun Vladimir
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Nov. 6, 2023 (latest changes Nov. 6, 2023).
175 place (119.27).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002
p1 = (213.33 * 3.45 * 0.14 + 32.26 * 1.80 * 1 + 615.38 * 1.80 * 0.71 + 0 + 0) / (3.45 * 0.14 + 1.80 * 1 + 1.80 * 0.71 + 1 + 1) = 171.08686631132989
p2 = (615.38 * 1.80 * 0.71 + 213.33 * 3.45 * 0.14 + 32.26 * 1.80 * 1) / max_coefficients = 67.45315488112216
score = 171.08686631132989 * 0.5 + 67.45315488112216 * 0.5 = 119.27001059622603
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-11-06 | 179 -> 175 | 117.90 -> 119.27 | |
2023-11-05 | 169 -> 179 | 117.90 | |
2023-10-27 | 168 -> 169 | 133.04 -> 117.90 |
Sun tournament: 86% -> 71% |
2023-10-22 | 166 -> 168 | 133.04 | |
2023-10-12 | 166 | 132.81 -> 133.04 | |
2023-09-28 | 166 | 137.23 -> 132.81 |
Saint Petersburg Open 2021: 29% -> 14% |
2023-09-20 | 167 -> 166 | 137.23 | |
2023-09-06 | 168 -> 167 | 137.23 | |
2023-09-03 | 149 -> 168 | 140.84 -> 137.23 | |
2023-08-27 | 140 -> 149 | 154.90 -> 140.84 |
Sun tournament: 100% -> 86% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 32 |
|
31/32 | 100% | 1.80 | CRR | Earth cup |
2 | 615 |
|
16/40 | 71% | 1.80 | CRR | Sun tournament |
3 | 213 |
|
60/76 | 14% | 3.45 | RR | Saint Petersburg Open 2021 |