Zhuravlev Andrei
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).
169 place (128.26).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (560 * 3.45 * 0.29 + 258.06 * 1.80 * 1 + 51.28 * 1.80 * 0.86 + 93.46 * 4 * 1 + 0) / (3.45 * 0.29 + 1.80 * 1 + 1.80 * 0.86 + 4 * 1 + 1) = 157.52250241063757
p2 = (560 * 3.45 * 0.29 + 258.06 * 1.80 * 1 + 93.46 * 4 * 1 + 51.28 * 1.80 * 0.86) / max_coefficients = 98.99942160956928
score = 157.52250241063757 * 0.5 + 98.99942160956928 * 0.5 = 128.2609620101034
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-03 | 153 -> 169 | 126.72 -> 128.26 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-27 | 149 -> 153 | 124.82 -> 126.72 |
Sun tournament: 100% -> 86% |
2023-08-26 | 147 -> 149 | 124.82 | |
2023-08-12 | 146 -> 147 | 123.17 -> 124.82 | |
2023-07-28 | 143 -> 146 | 146.51 -> 123.17 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-20 | 144 -> 143 | 146.51 | |
2023-07-03 | 145 -> 144 | 146.51 | |
2023-06-12 | 145 | 144.61 -> 146.51 | |
2023-06-11 | 130 -> 145 | 148.92 -> 144.61 | |
2023-05-28 | 126 -> 130 | 170.96 -> 148.92 |
Saint Petersburg Open 2021: 57% -> 43% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 93 |
|
98/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 258 |
|
24/32 | 100% | 1.80 | CRR | Earth cup |
3 | 51 |
|
38/40 | 86% | 1.80 | CRR | Sun tournament |
4 | 560 |
|
34/76 | 29% | 3.45 | RR | Saint Petersburg Open 2021 |