Goncharenko Alexandr
From Tyumen, Russia
EMA: 15020094
Internal rating (RR)
Rating date Jan. 6, 2024 (latest changes Jan. 6, 2024).
42 place (427.00).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.43) = 12.485890000000001
p1 = (74.63 * 3.50 * 0.29 + 448.28 * 3.75 * 1 + 794.39 * 4 * 1 + 0 + 0) / (3.50 * 0.29 + 3.75 * 1 + 4 * 1 + 1 + 1) = 458.9063204945139
p2 = (794.39 * 4 * 1 + 448.28 * 3.75 * 1 + 74.63 * 3.50 * 0.29) / max_coefficients = 395.1035929357058
score = 458.9063204945139 * 0.5 + 395.1035929357058 * 0.5 = 427.00495671510987
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2024-01-06 | 44 -> 42 | 417.95 -> 427.00 | |
| 2023-12-19 | 45 -> 44 | 417.95 | |
| 2023-12-12 | 46 -> 45 | 409.97 -> 417.95 | |
| 2023-11-28 | 47 -> 46 | 409.97 | |
| 2023-11-20 | 51 -> 47 | 402.80 -> 409.97 | 
                        
                             Tenpai can't buy happiness: 43% -> 29%  | 
                
| 2023-11-06 | 57 -> 51 | 395.14 -> 402.80 | |
| 2023-10-13 | 58 -> 57 | 395.14 | |
| 2023-10-12 | 62 -> 58 | 388.35 -> 395.14 | |
| 2023-10-07 | 63 -> 62 | 388.35 | |
| 2023-09-20 | 69 -> 63 | 381.80 -> 388.35 | 
                        
                             Tenpai can't buy happiness: 57% -> 43%  | 
                
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 794 | 
                     | 
                23/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 2 | 448 | 
                     | 
                49/88 | 100% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 3 | 75 | 
                     | 
                63/68 | 29% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 4 | 368 | 
                     | 
                13/20 | 0% | 2.10 | EMA | Snow Dragon Tournament | Novosibirsk | |
| 5 | 714 | 
                     | 
                19/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 6 | 952 | 
                     | 
                5/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 7 | 345 | 
                     | 
                37/56 | 0% | 3.00 | EMA | Snow Dragon | Novosibirsk | |
| 8 | 385 | 
                     | 
                57/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 9 | 217 | 
                     | 
                19/24 | 0% | 2.20 | RR | Siberian riichi | Novosibirsk | |
| 10 | 677 | 
                     | 
                11/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules | Novosibirsk | |
| 11 | 1000 | 
                     | 
                🥇 | 1/36 | 0% | 2.50 | RR | Quick discard 2017 | Novosibirsk | 
| 12 | 452 | 
                     | 
                18/32 | 0% | 2.40 | RR | Siberia Cup 2016 | Novosibirsk | |
| 13 | 326 | 
                     | 
                30/44 | 0% | 1.90 | RR | Eighth winter tournament | Novosibirsk | |
| 14 | 857 | 
                     | 
                6/36 | 0% | 1.70 | RR | Seventh winter tournament | Novosibirsk | |
| 15 | 609 | 
                     | 
                10/24 | 0% | 1.40 | RR | Furiten tournament 2014 | Novosibirsk |