Kaplan Andrey
From Perm, Russia
EMA: 15990439
Common russian riichi rating (CRR)
Rating date May 12, 2025 (latest changes May 12, 2025).
198 place (227.64).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (275.86 * 3.75 * 0.14 + 719.63 * 4 * 0.29 + 419.35 * 2.40 * 1 + 0 + 0) / (3.75 * 0.14 + 4 * 0.29 + 2.40 * 1 + 1 + 1) = 325.1810633073819
p2 = (419.35 * 2.40 * 1 + 719.63 * 4 * 0.29 + 275.86 * 3.75 * 0.14) / max_coefficients = 130.10690688793142
score = 325.1810633073819 * 0.5 + 130.10690688793142 * 0.5 = 227.64398509765667
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2025-05-12 | 198 | 224.95 -> 227.64 | |
| 2025-05-10 | 197 -> 198 | 224.95 | |
| 2025-05-03 | 180 -> 197 | 254.87 -> 224.95 | 
                        
                             SPB Riichi Open 2023: 43% -> 29%  | 
                
| 2025-04-27 | 176 -> 180 | 254.87 | |
| 2025-04-26 | 173 -> 176 | 254.87 | |
| 2025-04-22 | 174 -> 173 | 254.87 | |
| 2025-04-13 | 172 -> 174 | 254.87 | |
| 2025-04-11 | 172 | 256.43 -> 254.87 | 
                        
                             Money can not buy tenpai: 29% -> 14%  | 
                
| 2025-03-30 | 173 -> 172 | 256.43 | |
| 2025-03-29 | 171 -> 173 | 256.43 | 
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 419 | 
                     | 
                19/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 2 | 720 | 
                     | 
                31/108 | 29% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 3 | 276 | 
                     | 
                64/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 4 | 747 | 
                     | 
                20/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 5 | 800 | 
                     | 
                4/16 | 0% | 1.20 | CRR | I still can declare riichi | Kirov | |
| 6 | 441 | 
                     | 
                63/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 7 | 567 | 
                     | 
                30/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 8 | 636 | 
                     | 
                21/56 | 0% | 3.30 | RR | Kirov Tournament | Kirov | |
| 9 | 538 | 
                     | 
                19/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai | Kirov | |
| 10 | 595 | 
                     | 
                46/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 11 | 175 | 
                     | 
                53/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 12 | 333 | 
                     | 
                19/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao | Kirov | |
| 13 | 91 | 
                     | 
                11/12 | 0% | 1.50 | CRR | Perm Half Marathon | Perm | |
| 14 | 211 | 
                     | 
                16/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 | Perm |