Kudryavtsev Pavel
From Saint Petersburg, Russia
Internal rating (RR)
Rating date Sept. 5, 2025 (latest changes Sept. 3, 2025).
202 place (121.91).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (152.17 * 2.10 * 0.57 + 378.95 * 3.85 * 0.86 + 0 * 3.25 * 1 + 0 + 0) / (2.10 * 0.57 + 3.85 * 0.86 + 3.25 * 1 + 1 + 1) = 146.98390475677644
p2 = (378.95 * 3.85 * 0.86 + 152.17 * 2.10 * 0.57 + 0 * 3.25 * 1) / max_coefficients = 96.82837837837837
score = 146.98390475677644 * 0.5 + 96.82837837837837 * 0.5 = 121.90614156757741
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 205 -> 202 | 133.69 -> 121.91 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 202 -> 205 | 145.18 -> 133.69 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 193 -> 202 | 145.18 | |
| 2025-08-04 | 193 | 144.62 -> 145.18 | |
| 2025-08-03 | 186 -> 193 | 144.62 | |
| 2025-07-30 | 187 -> 186 | 145.75 -> 144.62 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-13 | 183 -> 187 | 145.75 | |
| 2025-07-12 | 183 | 144.67 -> 145.75 | |
| 2025-07-03 | 184 -> 183 | 147.55 -> 144.67 |
SPB Riichi Open 2023: 29% -> 14% |
| 2025-06-15 | 173 -> 184 | 149.33 -> 147.55 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 0 |
|
60/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 2 | 379 |
|
60/96 | 86% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 3 | 152 |
|
40/47 | 57% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 4 | 168 |
|
90/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |