Kopylov Dmitry
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date May 6, 2024 (latest changes May 6, 2024).
107 place (242.91).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (135.14 * 4.05 * 0.14 + 384.62 * 1.80 * 0.29 + 120 * 4.20 * 0.43 + 0 * 1.80 * 0.71 + 434.78 * 1.40 * 0.86 + 630.43 * 2.10 * 1 + 205.61 * 4 * 1) / (4.05 * 0.14 + 1.80 * 0.29 + 4.20 * 0.43 + 1.80 * 0.71 + 1.40 * 0.86 + 2.10 * 1 + 4 * 1) = 275.2952071230411
p2 = (630.43 * 2.10 * 1 + 205.61 * 4 * 1 + 434.78 * 1.40 * 0.86 + 120 * 4.20 * 0.43) / max_coefficients = 210.5153284671533
score = 275.2952071230411 * 0.5 + 210.5153284671533 * 0.5 = 242.9052677950972
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-06 | 111 -> 107 | 241.68 -> 242.91 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-05-05 | 110 -> 111 | 241.68 | |
| 2024-05-01 | 111 -> 110 | 241.68 | |
| 2024-04-27 | 111 | 243.22 -> 241.68 |
Sun tournament: 43% -> 29% |
| 2024-04-25 | 113 -> 111 | 240.46 -> 243.22 |
Earth cup: 86% -> 71% |
| 2024-04-22 | 111 -> 113 | 244.97 -> 240.46 |
Fire cup 2023: 100% -> 86% |
| 2024-04-12 | 116 -> 111 | 242.11 -> 244.97 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 135 -> 116 | 169.93 -> 242.11 |
Seihoku spring tournament 2024: 0% -> 100% |
| 2024-03-20 | 141 -> 135 | 169.93 | |
| 2024-03-10 | 137 -> 141 | 173.60 -> 169.93 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 630 |
|
18/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 2 | 206 |
|
86/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 3 | 435 |
|
14/24 | 86% | 1.40 | CRR | Fire cup 2023 |
| 4 | 0 |
|
32/32 | 71% | 1.80 | CRR | Earth cup |
| 5 | 120 |
|
67/76 | 43% | 4.20 | RR | IX Russian Riichi Championship |
| 6 | 385 |
|
25/40 | 29% | 1.80 | CRR | Sun tournament |
| 7 | 135 |
|
97/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |