Kozlov Viktor
From Moscow, Russia
EMA: 15990274
Internal rating (RR)
Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).
41 place (589.46).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55
p1 = (808.51 * 3.10 * 0.57 + 802.20 * 3.80 * 0.71 + 936.94 * 4.05 * 1 + 0 + 0) / (3.10 * 0.57 + 3.80 * 0.71 + 4.05 * 1 + 1 + 1) = 702.7719141052121
p2 = (936.94 * 4.05 * 1 + 802.20 * 3.80 * 0.71 + 808.51 * 3.10 * 0.57) / max_coefficients = 476.1530546623794
score = 702.7719141052121 * 0.5 + 476.1530546623794 * 0.5 = 589.4624843837958
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2020-02-01 | 41 | 589.46 | 
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 937 |  | 8/112 | 100% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 2 | 802 |  | 19/92 | 71% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 3 | 809 |  | 10/48 | 57% | 3.10 | RR | Moscow Riichi Open 2018 | Moscow | |
| 4 | 113 |  | 64/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten | Perm | |
| 5 | 492 |  | 33/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 | Moscow | |
| 6 | 769 |  | 10/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) | Moscow | |
| 7 | 606 |  | 29/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 | Saint Petersburg | |
| 8 | 713 |  | 26/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 | Moscow | |
| 9 | 467 |  | 9/16 | 0% | 1.20 | RR | Riichi mahjong league tournament 2016 (JPML-A rules) | Moscow |