Bondarev Alexandr
From Perm, Russia
EMA: 15020044
Common russian riichi rating (CRR)
Rating date Sept. 6, 2024 (latest changes Sept. 6, 2024).
199 place (29.25).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (93.33 * 4.20 * 0.14 + 56.07 * 4.60 * 1 + 0 + 0 + 0) / (4.20 * 0.14 + 4.60 * 1 + 1 + 1 + 1) = 38.28696443248807
p2 = (56.07 * 4.60 * 1 + 93.33 * 4.20 * 0.14) / max_coefficients = 20.21843847402179
score = 38.28696443248807 * 0.5 + 20.21843847402179 * 0.5 = 29.25270145325493
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-09-06 | 199 | 32.93 -> 29.25 |
IX Russian Riichi Championship: 29% -> 14% |
2024-09-03 | 199 | 32.51 -> 32.93 | |
2024-09-01 | 191 -> 199 | 33.11 -> 32.51 | |
2024-08-26 | 195 -> 191 | 33.11 | |
2024-08-20 | 198 -> 195 | 33.11 | |
2024-08-11 | 198 | 32.98 -> 33.11 | |
2024-08-04 | 196 -> 198 | 33.46 -> 32.98 | |
2024-07-14 | 190 -> 196 | 33.46 | |
2024-07-09 | 195 -> 190 | 33.46 | |
2024-07-06 | 195 | 36.98 -> 33.46 |
IX Russian Riichi Championship: 43% -> 29% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 56 |
|
102/108 | 100% | 4.60 | RR | X Russian Championship |
2 | 93 |
|
69/76 | 14% | 4.20 | RR | IX Russian Riichi Championship |
3 | 403 |
|
41/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
4 | 491 |
|
29/56 | 0% | 3.30 | RR | Kirov Tournament |
5 | 571 |
|
28/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
6 | 909 |
|
2/12 | 0% | 1.50 | CRR | Perm Half Marathon |
7 | 478 |
|
13/24 | 0% | 2.20 | RR | URAL Mahjong Battle |
8 | 651 |
|
30/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
9 | 421 |
|
12/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |
10 | 714 |
|
27/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
11 | 239 |
|
55/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
12 | 519 |
|
14/28 | 0% | 1.70 | RR | Fuyu Shanten |
13 | 563 |
|
32/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
14 | 258 |
|
24/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 |