Petsilyak Denis
From Moscow, Russia
EMA: 15990410
Internal rating (RR)
Rating date Nov. 4, 2025 (latest changes Nov. 4, 2025).
85 place (454.90).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (58.82 * 3.05 * 0.57 + 651.69 * 3.75 * 0.86 + 800 * 2.45 * 1 + 508.77 * 3.90 * 1 + 0) / (3.05 * 0.57 + 3.75 * 0.86 + 2.45 * 1 + 3.90 * 1 + 1) = 499.01538934069066
p2 = (651.69 * 3.75 * 0.86 + 508.77 * 3.90 * 1 + 800 * 2.45 * 1 + 58.82 * 3.05 * 0.57) / max_coefficients = 410.7913043478261
score = 499.01538934069066 * 0.5 + 410.7913043478261 * 0.5 = 454.9033468442584
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-04 | 110 -> 85 | 366.32 -> 454.90 |
XI Russian Championship: 0% -> 100% |
| 2025-11-01 | 110 | 365.81 -> 366.32 | |
| 2025-10-13 | 109 -> 110 | 378.86 -> 365.81 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-09 | 109 | 371.44 -> 378.86 |
Agari Summer Tournament 2024: 71% -> 57% |
| 2025-10-04 | 111 -> 109 | 371.44 | |
| 2025-09-14 | 113 -> 111 | 371.44 | |
| 2025-09-12 | 116 -> 113 | 371.44 | |
| 2025-09-10 | 117 -> 116 | 371.44 | |
| 2025-09-03 | 104 -> 117 | 405.08 -> 371.44 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 106 -> 104 | 400.80 -> 405.08 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 509 |
|
29/58 | 100% | 3.90 | RR | XI Russian Championship | Moscow | |
| 2 | 800 |
|
7/31 | 100% | 2.45 | RR | Agari Summer Tournament 2025 | Moscow | |
| 3 | 652 |
|
32/90 | 86% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 4 | 59 |
|
49/52 | 57% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 5 | 505 |
|
54/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |