Malikova Marina
From Khanty-Mansiysk, Russia
Internal rating (RR)
Rating date Oct. 13, 2025 (latest changes Oct. 13, 2025).
209 place (79.84).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835
p1 = (101.12 * 3.75 * 0.86 + 171.43 * 3.50 * 1 + 0 + 0 + 0) / (3.75 * 0.86 + 3.50 * 1 + 1 + 1 + 1) = 95.22422245956275
p2 = (171.43 * 3.50 * 1 + 101.12 * 3.75 * 0.86) / max_coefficients = 64.46206524325889
score = 95.22422245956275 * 0.5 + 64.46206524325889 * 0.5 = 79.84314385141082
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-13 | 209 | 80.85 -> 79.84 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-09-03 | 214 -> 209 | 80.85 | |
| 2025-09-01 | 214 | 79.98 -> 80.85 | |
| 2025-08-31 | 206 -> 214 | 79.98 | |
| 2025-08-09 | 207 -> 206 | 79.98 | |
| 2025-08-04 | 207 | 79.66 -> 79.98 | |
| 2025-08-03 | 200 -> 207 | 79.66 | |
| 2025-07-13 | 196 -> 200 | 79.66 | |
| 2025-07-12 | 195 -> 196 | 79.07 -> 79.66 | |
| 2025-06-15 | 183 -> 195 | 79.99 -> 79.07 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 171 |
|
59/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 2 | 101 |
|
81/90 | 86% | 3.75 | RR | Moscow Riichi 2024 | Moscow |