Kozlov Viktor
From Moscow, Russia
EMA: 15990274
Common russian riichi rating (CRR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
64 place (378.01).
how we calculated rating score
max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645
p1 = (0 * 2.60 * 0.14 + 936.94 * 4.05 * 0.86 + 0 + 0 + 0) / (2.60 * 0.14 + 4.05 * 0.86 + 1 + 1 + 1) = 475.29554809109436
p2 = (936.94 * 4.05 * 0.86 + 0 * 2.60 * 0.14) / max_coefficients = 280.72239396252866
score = 475.29554809109436 * 0.5 + 280.72239396252866 * 0.5 = 378.00897102681154
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2021-02-01 | 39 -> 64 | 597.47 -> 378.01 | |
| 2020-02-01 | 39 | 597.47 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 937 |
|
8/112 | 86% | 4.05 | EMA | VIII Russian Riichi Championship |
| 2 | 0 |
|
16/16 | 14% | 2.60 | CRR | Double burning |
| 3 | 802 |
|
19/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
| 4 | 809 |
|
10/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 |
| 5 | 741 |
|
8/28 | 0% | 3.50 | CRR | A-League |
| 6 | 113 |
|
64/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
| 7 | 492 |
|
33/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
| 8 | 769 |
|
10/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) |
| 9 | 606 |
|
29/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
| 10 | 713 |
|
26/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 |
| 11 | 467 |
|
9/16 | 0% | 1.20 | RR | Riichi mahjong league tournament 2016 (JPML-A rules) |