Tsiporin Aleksandr
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Dec. 22, 2024 (latest changes Dec. 18, 2024).
194 place (114.56).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (126.32 * 3.85 * 1 + 258.43 * 3.75 * 1 + 0 + 0 + 0) / (3.85 * 1 + 3.75 * 1 + 1 + 1 + 1) = 137.30377358490568
p2 = (258.43 * 3.75 * 1 + 126.32 * 3.85 * 1) / max_coefficients = 91.82460567823344
score = 137.30377358490568 * 0.5 + 91.82460567823344 * 0.5 = 114.56418963156956
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-11-14 | 195 -> 194 | 114.56 | |
| 2024-11-05 | 200 -> 195 | 114.56 | |
| 2024-11-04 | 195 -> 200 | 114.56 | |
| 2024-10-27 | 194 -> 195 | 114.56 | |
| 2024-10-25 | 195 -> 194 | 114.56 | |
| 2024-10-13 | 195 | 114.56 |
Moscow Riichi 2024: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 258 |
|
67/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 2 | 126 |
|
84/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |