Bondarev Alexandr
From Perm, Russia
EMA: 15020044
Common russian riichi rating (CRR)
Rating date May 6, 2023 (latest changes May 6, 2023).
121 place (189.80).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (490.91 * 3.30 * 0.43 + 402.99 * 3.50 * 0.86 + 93.33 * 4.20 * 1 + 0 + 0) / (3.30 * 0.43 + 3.50 * 0.86 + 4.20 * 1 + 1 + 1) = 216.2398968177626
p2 = (402.99 * 3.50 * 0.86 + 490.91 * 3.30 * 0.43 + 93.33 * 4.20 * 1) / max_coefficients = 163.36259817720477
score = 216.2398968177626 * 0.5 + 163.36259817720477 * 0.5 = 189.8012474974837
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-05-06 | 118 -> 121 | 203.87 -> 189.80 |
Kirov Tournament: 57% -> 43% |
2023-05-05 | 117 -> 118 | 203.87 | |
2023-05-03 | 118 -> 117 | 203.87 | |
2023-05-01 | 116 -> 118 | 203.87 | |
2023-04-22 | 111 -> 116 | 203.87 | |
2023-03-20 | 110 -> 111 | 211.49 -> 203.87 |
Tenpai can't buy happiness: 100% -> 86% |
2023-03-06 | 107 -> 110 | 224.44 -> 211.49 |
Kirov Tournament: 71% -> 57% |
2023-03-05 | 108 -> 107 | 224.44 | |
2023-02-25 | 100 -> 108 | 224.44 | |
2023-02-19 | 101 -> 100 | 224.44 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 93 |
|
69/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 403 |
|
41/68 | 86% | 3.50 | RR | Tenpai can't buy happiness |
3 | 491 |
|
29/56 | 43% | 3.30 | RR | Kirov Tournament |
4 | 571 |
|
28/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
5 | 909 |
|
2/12 | 0% | 1.50 | CRR | Perm Half Marathon |
6 | 478 |
|
13/24 | 0% | 2.20 | RR | URAL Mahjong Battle |
7 | 651 |
|
30/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
8 | 421 |
|
12/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |
9 | 714 |
|
27/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
10 | 239 |
|
55/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
11 | 519 |
|
14/28 | 0% | 1.70 | RR | Fuyu Shanten |
12 | 563 |
|
32/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
13 | 258 |
|
24/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 |