Kaplan Andrey
From Perm, Russia
EMA: 15990439
Common russian riichi rating (CRR)
Rating date Aug. 5, 2025 (latest changes Aug. 4, 2025).
200 place (237.88).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (719.63 * 4 * 0.14 + 419.35 * 2.40 * 1 + 313.43 * 4.10 * 1 + 0 + 0) / (4 * 0.14 + 2.40 * 1 + 4.10 * 1 + 1 + 1) = 297.9474403633317
p2 = (313.43 * 4.10 * 1 + 419.35 * 2.40 * 1 + 719.63 * 4 * 0.14) / max_coefficients = 177.81973684210527
score = 297.9474403633317 * 0.5 + 177.81973684210527 * 0.5 = 237.88358860271848
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-04 | 203 -> 200 | 237.01 -> 237.88 | |
| 2025-08-03 | 197 -> 203 | 237.01 | |
| 2025-07-30 | 199 -> 197 | 237.01 | |
| 2025-07-26 | 197 -> 199 | 237.01 | |
| 2025-07-19 | 198 -> 197 | 237.01 | |
| 2025-07-13 | 195 -> 198 | 237.01 | |
| 2025-07-12 | 195 | 235.37 -> 237.01 | |
| 2025-07-03 | 181 -> 195 | 261.00 -> 235.37 |
SPB Riichi Open 2023: 29% -> 14% |
| 2025-06-15 | 208 -> 181 | 199.95 -> 261.00 |
13 bloody tiles: 0% -> 100% |
| 2025-06-14 | 202 -> 208 | 199.95 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 313 |
|
47/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm |
| 2 | 419 |
|
19/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg |
| 3 | 720 |
|
31/108 | 14% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |
| 4 | 276 |
|
64/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm |
| 5 | 747 |
|
20/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |
| 6 | 800 |
|
4/16 | 0% | 1.20 | CRR | I still can declare riichi | Kirov |
| 7 | 441 |
|
63/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow |
| 8 | 567 |
|
30/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm |
| 9 | 636 |
|
21/56 | 0% | 3.30 | RR | Kirov Tournament | Kirov |
| 10 | 538 |
|
19/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai | Kirov |
| 11 | 595 |
|
46/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow |
| 12 | 175 |
|
53/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm |
| 13 | 333 |
|
19/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao | Kirov |
| 14 | 91 |
|
11/12 | 0% | 1.50 | CRR | Perm Half Marathon | Perm |
| 15 | 211 |
|
16/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 | Perm |