Kaplan Andrey
From Perm, Russia
EMA: 15990439
Common russian riichi rating (CRR)
Rating date Nov. 4, 2023 (latest changes Nov. 4, 2023).
21 place (563.38).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75
p1 = (636.36 * 3.30 * 0.14 + 567.16 * 3.50 * 0.43 + 441.44 * 4.05 * 0.57 + 800 * 1.20 * 0.71 + 746.67 * 4.20 * 1 + 275.86 * 3.75 * 1 + 719.63 * 4 * 1) / (3.30 * 0.14 + 3.50 * 0.43 + 4.05 * 0.57 + 1.20 * 0.71 + 4.20 * 1 + 3.75 * 1 + 4 * 1) = 579.6039314339204
p2 = (746.67 * 4.20 * 1 + 719.63 * 4 * 1 + 275.86 * 3.75 * 1 + 441.44 * 4.05 * 0.57) / max_coefficients = 547.1559322033897
score = 579.6039314339204 * 0.5 + 547.1559322033897 * 0.5 = 563.379931818655
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2023-10-22 | 20 -> 21 | 563.38 | |
| 2023-10-20 | 20 | 564.47 -> 563.38 | 
                        
                             I still can declare riichi: 86% -> 71%  | 
                
| 2023-10-12 | 20 | 569.09 -> 564.47 | 
                        
                             Moscow Riichi 2022: 71% -> 57%  | 
                
| 2023-09-28 | 21 -> 20 | 569.09 | |
| 2023-09-20 | 20 -> 21 | 572.32 -> 569.09 | 
                        
                             Tenpai can't buy happiness: 57% -> 43%  | 
                
| 2023-09-06 | 19 -> 20 | 573.06 -> 572.32 | 
                        
                             Kirov Tournament: 29% -> 14%  | 
                
| 2023-09-03 | 25 -> 19 | 511.38 -> 573.06 | 
                        
                             SPB Riichi Open 2023: 0% -> 100%  | 
                
| 2023-09-01 | 55 -> 25 | 403.00 -> 511.38 | |
| 2021-02-01 | 161 -> 55 | 301.61 -> 403.00 | |
| 2020-02-01 | 161 | 301.61 | 
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 720 | 
                     | 
                31/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 2 | 276 | 
                     | 
                64/88 | 100% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 3 | 747 | 
                     | 
                20/76 | 100% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 4 | 800 | 
                     | 
                4/16 | 71% | 1.20 | CRR | I still can declare riichi | Kirov | |
| 5 | 441 | 
                     | 
                63/112 | 57% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 6 | 567 | 
                     | 
                30/68 | 43% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 7 | 636 | 
                     | 
                21/56 | 14% | 3.30 | RR | Kirov Tournament | Kirov | |
| 8 | 538 | 
                     | 
                19/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai | Kirov | |
| 9 | 595 | 
                     | 
                46/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 10 | 175 | 
                     | 
                53/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 11 | 333 | 
                     | 
                19/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao | Kirov | |
| 12 | 91 | 
                     | 
                11/12 | 0% | 1.50 | CRR | Perm Half Marathon | Perm | |
| 13 | 211 | 
                     | 
                16/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 | Perm |