Nizhurin Sergei
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Jan. 3, 2025 (latest changes Jan. 3, 2025).
179 place (154.77).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (28.04 * 4 * 0.57 + 806.45 * 1.80 * 1 + 0 + 0 + 0) / (4 * 0.57 + 1.80 * 1 + 1 + 1 + 1) = 213.9113130856949
p2 = (806.45 * 1.80 * 1 + 28.04 * 4 * 0.57) / max_coefficients = 95.62712933753943
score = 213.9113130856949 * 0.5 + 95.62712933753943 * 0.5 = 154.76922121161715
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-01-03 | 185 -> 179 | 148.34 -> 154.77 |
SPB Riichi Open 2023: 71% -> 57% |
2024-12-29 | 184 -> 185 | 148.34 | |
2024-12-25 | 185 -> 184 | 148.34 | |
2024-11-05 | 188 -> 185 | 148.34 | |
2024-11-04 | 186 -> 188 | 148.34 | |
2024-11-03 | 186 | 142.87 -> 148.34 |
SPB Riichi Open 2023: 86% -> 71% |
2024-10-27 | 185 -> 186 | 142.87 | |
2024-10-13 | 170 -> 185 | 143.88 -> 142.87 | |
2024-09-15 | 167 -> 170 | 143.88 | |
2024-09-06 | 170 -> 167 | 143.88 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 806 |
|
7/32 | 100% | 1.80 | CRR | "Green Dragon" in the Secret Chamber |
2 | 28 |
|
105/108 | 57% | 4.00 | RR | SPB Riichi Open 2023 |