Dergunov Aleksey
From Moscow, Russia
Internal rating (RR)
Rating date May 3, 2025 (latest changes May 3, 2025).
13 place (714.03).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (252.87 * 3.75 * 0.14 + 214.95 * 4 * 0.29 + 960.78 * 3.05 * 0.86 + 260.87 * 2.10 * 0.86 + 747.66 * 4.60 * 1 + 744.68 * 2.80 * 1 + 797.47 * 3.65 * 1 + 673.68 * 3.85 * 1 + 573.03 * 3.75 * 1 + 380.95 * 2.60 * 1 + 411.76 * 3.05 * 1 + 542.37 * 3.25 * 1 + 985.71 * 3.50 * 1) / (3.75 * 0.14 + 4 * 0.29 + 3.05 * 0.86 + 2.10 * 0.86 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 2.60 * 1 + 3.05 * 1 + 3.25 * 1 + 3.50 * 1) = 646.1313839528262
p2 = (985.71 * 3.50 * 1 + 747.66 * 4.60 * 1 + 797.47 * 3.65 * 1 + 673.68 * 3.85 * 1) / max_coefficients = 781.9362776025237
score = 646.1313839528262 * 0.5 + 781.9362776025237 * 0.5 = 714.0338307776749
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-03 | 23 -> 13 | 663.46 -> 714.03 |
SPB Riichi Open 2023: 43% -> 29% Riichi over The Volga 2025: 0% -> 100% |
| 2025-04-26 | 22 -> 23 | 663.46 | |
| 2025-04-11 | 22 | 660.75 -> 663.46 |
Money can not buy tenpai: 29% -> 14% |
| 2025-03-30 | 22 | 659.31 -> 660.75 |
Seihoku spring tournament 2024: 100% -> 86% |
| 2025-03-10 | 20 -> 22 | 674.76 -> 659.31 |
Agari Spring Tournament 2024: 100% -> 86% |
| 2025-03-03 | 21 -> 20 | 671.71 -> 674.76 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-02-16 | 20 -> 21 | 674.28 -> 671.71 |
White Wolf Cup: 0% -> 100% |
| 2025-02-11 | 20 | 671.49 -> 674.28 |
Money can not buy tenpai: 43% -> 29% |
| 2025-02-02 | 15 -> 20 | 680.66 -> 671.49 |
Agari Winter Tournament 2025: 0% -> 100% |
| 2025-01-26 | 13 -> 15 | 691.51 -> 680.66 |
Riichi On Ice: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 986 |
|
2/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara |
| 2 | 542 |
|
28/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg |
| 3 | 412 |
|
31/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow |
| 4 | 381 |
|
27/43 | 100% | 2.60 | RR | Riichi On Ice | Samara |
| 5 | 573 |
|
39/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |
| 6 | 674 |
|
32/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |
| 7 | 797 |
|
17/80 | 100% | 3.65 | RR | Riichi over Volga | Samara |
| 8 | 745 |
|
13/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |
| 9 | 176 |
|
43/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow |
| 10 | 748 |
|
28/108 | 100% | 4.60 | RR | X Russian Championship | Perm |
| 11 | 261 |
|
35/47 | 86% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |
| 12 | 961 |
|
3/52 | 86% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |
| 13 | 215 |
|
85/108 | 29% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |
| 14 | 253 |
|
66/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm |
| 15 | 486 |
|
58/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow |
| 16 | 612 |
|
27/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm |
| 17 | 511 |
|
24/48 | 0% | 3.10 | RR | Agari team tournament | Moscow |