Mjasnikov Konstantin
From Simferopol, Russia
EMA: 15990229
Common russian riichi rating (CRR)
Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).
166 place (300.56).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (266.67 * 1.80 * 0.86 + 727.27 * 0.90 * 1 + 266.67 * 2 * 1 + 217.39 * 1.20 * 1 + 869.57 * 1.20 * 1) / (1.80 * 0.86 + 0.90 * 1 + 2 * 1 + 1.20 * 1 + 1.20 * 1) = 424.33630775795797
p2 = (869.57 * 1.20 * 1 + 727.27 * 0.90 * 1 + 266.67 * 2 * 1 + 266.67 * 1.80 * 0.86) / max_coefficients = 176.77391304347827
score = 424.33630775795797 * 0.5 + 176.77391304347827 * 0.5 = 300.55511040071815
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-12-07 | 161 -> 166 | 300.56 | |
| 2025-12-06 | 209 -> 161 | 202.23 -> 300.56 |
Riichi on fire: 0% -> 100% |
| 2025-12-04 | 211 -> 209 | 202.23 | |
| 2025-11-30 | 212 -> 211 | 202.23 | |
| 2025-11-25 | 213 -> 212 | 202.23 | |
| 2025-11-22 | 211 -> 213 | 202.23 | |
| 2025-11-12 | 212 -> 211 | 202.23 | |
| 2025-11-10 | 211 -> 212 | 202.23 | |
| 2025-11-04 | 203 -> 211 | 205.05 -> 202.23 | |
| 2025-11-01 | 204 -> 203 | 204.83 -> 205.05 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 870 |
|
4/24 | 100% | 1.20 | CRR | Riichi on fire | Simferopol | |
| 2 | 217 |
|
19/24 | 100% | 1.20 | CRR | Pands in discards | Simferopol | |
| 3 | 267 |
|
12/16 | 100% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 4 | 727 |
|
4/12 | 100% | 0.90 | CRR | The Southern Coon Mini Cup | Simferopol | |
| 5 | 267 |
|
12/16 | 86% | 1.80 | CRR | Happy Bamboo 2024 | Simferopol | |
| 6 | 582 |
|
39/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 7 | 479 |
|
38/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 | Saint Petersburg | |
| 8 | 57 |
|
83/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 | Moscow | |
| 9 | 957 |
|
🥈 | 2/24 | 0% | 1.40 | EMA | Crimean Riichi Open 2015 | Simferopol |
| 10 | 296 |
|
20/28 | 0% | 1.50 | EMA | Crimean Riichi Open 2013 | Simferopol |