Nadanyan Vladimir
European Champion 2019
From Moscow, Russia
EMA: 15990280
Internal rating (RR)
Rating date Sept. 5, 2025 (latest changes Sept. 3, 2025).
1 place (815.84).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (725.49 * 3.05 * 0.71 + 526.32 * 3.85 * 0.86 + 977.53 * 3.75 * 1 + 774.19 * 3.10 * 1 + 1000 * 3.05 * 1 + 785.71 * 3.50 * 1 + 805.19 * 3.45 * 1) / (3.05 * 0.71 + 3.85 * 0.86 + 3.75 * 1 + 3.10 * 1 + 3.05 * 1 + 3.50 * 1 + 3.45 * 1) = 804.3984244316108
p2 = (977.53 * 3.75 * 1 + 1000 * 3.05 * 1 + 805.19 * 3.45 * 1 + 785.71 * 3.50 * 1) / max_coefficients = 827.2736486486485
score = 804.3984244316108 * 0.5 + 827.2736486486485 * 0.5 = 815.8360365401297
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 2 -> 1 | 815.84 | |
| 2025-09-01 | 2 | 801.61 -> 815.84 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 3 -> 2 | 788.51 -> 801.61 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-09 | 3 | 787.73 -> 788.51 |
Agari Summer Tournament 2024: 86% -> 71% |
| 2025-08-04 | 4 -> 3 | 783.92 -> 787.73 | |
| 2025-07-12 | 4 | 776.69 -> 783.92 | |
| 2025-06-15 | 4 | 787.92 -> 776.69 | |
| 2025-06-09 | 4 | 787.18 -> 787.92 |
Agari Summer Tournament 2024: 100% -> 86% |
| 2025-05-12 | 5 -> 4 | 770.98 -> 787.18 | |
| 2025-05-10 | 6 -> 5 | 770.98 |