Chavgun Vladimir
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Sept. 5, 2023 (latest changes Sept. 5, 2023).
168 place (137.23).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (213.33 * 3.45 * 0.29 + 615.38 * 1.80 * 0.86 + 32.26 * 1.80 * 1 + 0 + 0) / (3.45 * 0.29 + 1.80 * 0.86 + 1.80 * 1 + 1 + 1) = 192.42325721405496
p2 = (615.38 * 1.80 * 0.86 + 213.33 * 3.45 * 0.29 + 32.26 * 1.80 * 1) / max_coefficients = 82.041836121813
score = 192.42325721405496 * 0.5 + 82.041836121813 * 0.5 = 137.23254666793397
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-03 | 149 -> 168 | 140.84 -> 137.23 | |
2023-08-27 | 140 -> 149 | 154.90 -> 140.84 |
Sun tournament: 100% -> 86% |
2023-08-26 | 138 -> 140 | 154.90 | |
2023-08-20 | 139 -> 138 | 154.90 | |
2023-08-12 | 140 -> 139 | 152.85 -> 154.90 | |
2023-07-28 | 140 | 156.70 -> 152.85 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-20 | 141 -> 140 | 156.70 | |
2023-06-12 | 141 | 154.66 -> 156.70 | |
2023-06-11 | 126 -> 141 | 159.28 -> 154.66 | |
2023-05-28 | 127 -> 126 | 163.29 -> 159.28 |
Saint Petersburg Open 2021: 57% -> 43% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 32 |
|
31/32 | 100% | 1.80 | CRR | Earth cup |
2 | 615 |
|
16/40 | 86% | 1.80 | CRR | Sun tournament |
3 | 213 |
|
60/76 | 29% | 3.45 | RR | Saint Petersburg Open 2021 |