Dergunov Aleksey
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date July 14, 2024 (latest changes July 14, 2024).
19 place (670.81).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (252.87 * 3.75 * 0.86 + 863.64 * 2.10 * 1 + 769.23 * 2.90 * 1 + 960.78 * 3.05 * 1 + 260.87 * 2.10 * 1 + 747.66 * 4.60 * 1 + 548.39 * 1.80 * 1 + 1000 * 1.50 * 1 + 176.47 * 3.05 * 1 + 744.68 * 2.80 * 1) / (3.75 * 0.86 + 2.10 * 1 + 2.90 * 1 + 3.05 * 1 + 2.10 * 1 + 4.60 * 1 + 1.80 * 1 + 1.50 * 1 + 3.05 * 1 + 2.80 * 1) = 622.7418365888627
p2 = (747.66 * 4.60 * 1 + 960.78 * 3.05 * 1 + 769.23 * 2.90 * 1 + 744.68 * 2.80 * 1) / max_coefficients = 718.8798533381547
score = 622.7418365888627 * 0.5 + 718.8798533381547 * 0.5 = 670.8108449635088
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-07-14 | 19 | 654.66 -> 670.81 |
Guardian of the Winds: 0% -> 100% |
| 2024-06-11 | 21 -> 19 | 637.33 -> 654.66 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 16 -> 21 | 666.08 -> 637.33 |
Agari Summer Tournament 2024: 0% -> 100% |
| 2024-05-25 | 21 -> 16 | 620.26 -> 666.08 |
Duplicate riichi mahjong tournament 2024: 0% -> 100% |
| 2024-05-19 | 21 | 620.88 -> 620.26 |
"Green Dragon" in the Secret Chamber: 0% -> 100% |
| 2024-05-12 | 32 -> 21 | 549.25 -> 620.88 |
X Russian Championship: 0% -> 100% |
| 2024-05-06 | 33 -> 32 | 549.25 | |
| 2024-04-12 | 34 -> 33 | 548.74 -> 549.25 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 29 -> 34 | 564.74 -> 548.74 |
Seihoku spring tournament 2024: 0% -> 100% |
| 2024-03-20 | 30 -> 29 | 565.61 -> 564.74 |
Tenpai can't buy happiness: 14% -> 0% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 745 |
|
13/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 2 | 176 |
|
43/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
| 3 | 1000 |
|
1/20 | 100% | 1.50 | CRR | Duplicate riichi mahjong tournament 2024 |
| 4 | 548 |
|
15/32 | 100% | 1.80 | CRR | "Green Dragon" in the Secret Chamber |
| 5 | 748 |
|
28/108 | 100% | 4.60 | RR | X Russian Championship |
| 6 | 261 |
|
35/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 7 | 961 |
|
3/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 8 | 769 |
|
10/40 | 100% | 2.90 | CRR | Autumn Agari tournament |
| 9 | 864 |
|
4/23 | 100% | 2.10 | CRR | Mushroom League |
| 10 | 215 |
|
85/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 11 | 253 |
|
66/88 | 86% | 3.75 | RR | Money can not buy tenpai |
| 12 | 486 |
|
58/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 13 | 612 |
|
27/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
| 14 | 511 |
|
24/48 | 0% | 3.10 | RR | Agari team tournament |