Harutyunyan Karen
From Simferopol, Russia
EMA: 15990230
Common russian riichi rating (CRR)
Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).
102 place (425.19).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
p1 = (600 * 1.80 * 0.86 + 545.45 * 0.90 * 1 + 933.33 * 2 * 1 + 478.26 * 1.20 * 1 + 0) / (1.80 * 0.86 + 0.90 * 1 + 2 * 1 + 1.20 * 1 + 1) = 580.654485019826
p2 = (933.33 * 2 * 1 + 600 * 1.80 * 0.86 + 478.26 * 1.20 * 1 + 545.45 * 0.90 * 1) / max_coefficients = 269.7314685314685
score = 580.654485019826 * 0.5 + 269.7314685314685 * 0.5 = 425.19297677564725
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-01 | 106 -> 102 | 424.72 -> 425.19 | |
| 2025-10-27 | 106 | 430.46 -> 424.72 |
Happy Bamboo 2024: 100% -> 86% |
| 2025-10-13 | 105 -> 106 | 426.21 -> 430.46 | |
| 2025-09-19 | 106 -> 105 | 426.21 | |
| 2025-09-10 | 107 -> 106 | 426.21 | |
| 2025-09-05 | 108 -> 107 | 426.21 | |
| 2025-09-03 | 110 -> 108 | 426.21 | |
| 2025-09-01 | 111 -> 110 | 422.64 -> 426.21 | |
| 2025-08-31 | 106 -> 111 | 422.64 | |
| 2025-08-04 | 107 -> 106 | 421.36 -> 422.64 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 478 |
|
13/24 | 100% | 1.20 | CRR | Pands in discards | Simferopol | |
| 2 | 933 |
|
🥈 | 2/16 | 100% | 2.00 | RR | South Dragon Cup II | Simferopol |
| 3 | 545 |
|
6/12 | 100% | 0.90 | CRR | The Southern Coon Mini Cup | Simferopol | |
| 4 | 600 |
|
7/16 | 86% | 1.80 | CRR | Happy Bamboo 2024 | Simferopol | |
| 5 | 87 |
|
22/24 | 0% | 1.40 | EMA | Crimean Riichi Open 2015 | Simferopol | |
| 6 | 407 |
|
17/28 | 0% | 1.50 | EMA | Crimean Riichi Open 2013 | Simferopol |