Semakov Stanislav
From Kirov, Russia
EMA: 15990424
Common russian riichi rating (CRR)
Rating date Oct. 27, 2023 (latest changes Oct. 27, 2023).
35 place (503.30).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75
p1 = (200 * 3.30 * 0.14 + 940.30 * 3.50 * 0.43 + 600 * 1.20 * 0.71 + 666.67 * 3.75 * 1 + 533.33 * 1.20 * 1) / (3.30 * 0.14 + 3.50 * 0.43 + 1.20 * 0.71 + 3.75 * 1 + 1.20 * 1) = 663.2295602294946
p2 = (666.67 * 3.75 * 1 + 940.30 * 3.50 * 0.43 + 533.33 * 1.20 * 1 + 600 * 1.20 * 0.71) / max_coefficients = 343.37898305084747
score = 663.2295602294946 * 0.5 + 343.37898305084747 * 0.5 = 503.304271640171
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2023-10-22 | 34 -> 35 | 503.30 | |
| 2023-10-20 | 34 | 506.11 -> 503.30 | 
                        
                             I still can declare riichi: 86% -> 71%  | 
                
| 2023-10-12 | 34 | 505.01 -> 506.11 | |
| 2023-09-20 | 30 -> 34 | 529.08 -> 505.01 | 
                        
                             Tenpai can't buy happiness: 57% -> 43%  | 
                
| 2023-09-06 | 34 -> 30 | 516.44 -> 529.08 | 
                        
                             Kirov Tournament: 29% -> 14%  | 
                
| 2023-09-03 | 22 -> 34 | 533.15 -> 516.44 | |
| 2023-09-01 | 159 -> 22 | 104.98 -> 533.15 | |
| 2021-02-01 | 277 -> 159 | 30.18 -> 104.98 | |
| 2020-02-01 | 277 | 30.18 | 
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 533 | 
                     | 
                8/16 | 100% | 1.20 | CRR | Riichi or die | Kirov | |
| 2 | 667 | 
                     | 
                30/88 | 100% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 3 | 600 | 
                     | 
                7/16 | 71% | 1.20 | CRR | I still can declare riichi | Kirov | |
| 4 | 940 | 
                     | 
                5/68 | 43% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 5 | 200 | 
                     | 
                45/56 | 14% | 3.30 | RR | Kirov Tournament | Kirov | |
| 6 | 256 | 
                     | 
                30/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai | Kirov | |
| 7 | 74 | 
                     | 
                26/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao | Kirov | |
| 8 | 48 | 
                     | 
                80/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 9 | 0 | 
                     | 
                24/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament | Kirov |