Malikova Marina
From Khanty-Mansiysk, Russia
Internal rating (RR)
Rating date Sept. 1, 2025 (latest changes Sept. 1, 2025).
215 place (80.85).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (101.12 * 3.75 * 1 + 171.43 * 3.50 * 1 + 0 + 0 + 0) / (3.75 * 1 + 3.50 * 1 + 1 + 1 + 1) = 95.53268292682927
p2 = (171.43 * 3.50 * 1 + 101.12 * 3.75 * 1) / max_coefficients = 66.16283783783784
score = 95.53268292682927 * 0.5 + 66.16283783783784 * 0.5 = 80.84776038233355
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-01 | 215 | 79.98 -> 80.85 | |
| 2025-08-31 | 207 -> 215 | 79.98 | |
| 2025-08-09 | 208 -> 207 | 79.98 | |
| 2025-08-04 | 208 | 79.66 -> 79.98 | |
| 2025-08-03 | 201 -> 208 | 79.66 | |
| 2025-07-13 | 197 -> 201 | 79.66 | |
| 2025-07-12 | 196 -> 197 | 79.07 -> 79.66 | |
| 2025-06-15 | 184 -> 196 | 79.99 -> 79.07 | |
| 2025-06-11 | 193 -> 184 | 79.99 | |
| 2025-05-12 | 194 -> 193 | 78.66 -> 79.99 |
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 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |