Bogatikov Aleksander
From Moscow, Russia
EMA: 15990107
Common russian riichi rating (CRR)
Rating date Aug. 25, 2024 (latest changes Aug. 25, 2024).
158 place (169.62).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
p1 = (813.33 * 4.20 * 0.29 + 230.77 * 2.90 * 1 + 0 + 0 + 0) / (4.20 * 0.29 + 2.90 * 1 + 1 + 1 + 1) = 231.71745113338986
p2 = (813.33 * 4.20 * 0.29 + 230.77 * 2.90 * 1) / max_coefficients = 107.5281045751634
score = 231.71745113338986 * 0.5 + 107.5281045751634 * 0.5 = 169.62277785427662
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-08-25 | 159 -> 158 | 169.62 | |
2024-08-11 | 160 -> 159 | 169.05 -> 169.62 | |
2024-08-04 | 157 -> 160 | 171.20 -> 169.05 | |
2024-07-14 | 152 -> 157 | 171.20 | |
2024-07-09 | 154 -> 152 | 171.20 | |
2024-07-06 | 145 -> 154 | 210.29 -> 171.20 |
IX Russian Riichi Championship: 43% -> 29% |
2024-06-27 | 147 -> 145 | 210.29 | |
2024-06-11 | 145 -> 147 | 217.39 -> 210.29 | |
2024-06-09 | 137 -> 145 | 217.39 | |
2024-05-25 | 134 -> 137 | 217.39 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 231 |
|
31/40 | 100% | 2.90 | CRR | Autumn Agari tournament |
2 | 813 |
|
15/76 | 29% | 4.20 | RR | IX Russian Riichi Championship |
3 | 27 |
|
109/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
4 | 160 |
|
64/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
5 | 421 |
|
12/20 | 0% | 2.40 | CRR | double-burning-2020 |
6 | 757 |
|
28/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
7 | 524 |
|
31/64 | 0% | 3.45 | EMA | White Dragon Tournament |
8 | 218 |
|
69/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 |
9 | 788 |
|
22/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
10 | 373 |
|
33/52 | 0% | 2.90 | EMA | Russian Open Riichi Championship 2015 |
11 | 257 |
|
27/36 | 0% | 1.70 | EMA | Nizhny Novgorod Riichi Championship 2015 |
12 | 512 |
|
22/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 |
13 | 455 |
|
7/12 | 0% | 0.90 | CRR | "Haku no Ten" winter riichi mahjong tournament 2015 |
14 | 0 |
|
64/64 | 0% | 3.15 | EMA | Russian Open Riichi Championship 2014 |
15 | 130 |
|
21/24 | 0% | 1.40 | EMA | Vologda Riichi Championship 2014 |
16 | 206 |
|
51/64 | 0% | 3.15 | RR | "Japanese House" riichi mahjong cup 2014 |
17 | 533 |
|
8/16 | 0% | 1.20 | RR | "Haku no Ten" summer riichi mahjong tournament 2014 |
18 | 493 |
|
39/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
19 | 254 |
|
54/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 |
20 | 545 |
|
26/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |