Matrosova Natalia
From Yekaterinburg, Russia
EMA: 15020064
Internal rating (RR)
Rating date July 6, 2024 (latest changes July 6, 2024).
101 place (236.78).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (195.40 * 3.75 * 0.86 + 411.21 * 4 * 1 + 242.99 * 4.60 * 1 + 0 + 0) / (3.75 * 0.86 + 4 * 1 + 4.60 * 1 + 1 + 1) = 245.44949462959107
p2 = (411.21 * 4 * 1 + 242.99 * 4.60 * 1 + 195.40 * 3.75 * 0.86) / max_coefficients = 228.1109718870098
score = 245.44949462959107 * 0.5 + 228.1109718870098 * 0.5 = 236.78023325830043
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-06-11 | 109 -> 101 | 235.28 -> 236.78 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 97 -> 109 | 235.28 | |
| 2024-05-12 | 90 -> 97 | 202.74 -> 235.28 |
X Russian Championship: 0% -> 100% |
| 2024-05-06 | 92 -> 90 | 200.65 -> 202.74 | |
| 2024-04-12 | 95 -> 92 | 200.65 | |
| 2024-03-30 | 84 -> 95 | 200.65 | |
| 2024-03-20 | 85 -> 84 | 235.15 -> 200.65 |
Tenpai can't buy happiness: 14% -> 0% |
| 2024-03-10 | 76 -> 85 | 252.36 -> 235.15 | |
| 2024-03-06 | 78 -> 76 | 246.31 -> 252.36 | |
| 2024-02-12 | 81 -> 78 | 241.03 -> 246.31 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 243 |
|
82/108 | 100% | 4.60 | RR | X Russian Championship |
| 2 | 411 |
|
64/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 3 | 195 |
|
71/88 | 86% | 3.75 | RR | Money can not buy tenpai |
| 4 | 672 |
|
23/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
| 5 | 609 |
|
10/24 | 0% | 2.20 | RR | URAL Mahjong Battle |
| 6 | 211 |
|
57/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
| 7 | 70 |
|
67/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
| 8 | 0 |
|
24/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 |