Perfilev Roman

From Arkhangelsk, Russia

Player page

Online rating

Rating date April 20, 2023 (latest changes April 20, 2023).

84 place (236.14).

max_coefficients = (2.80 * 1 + 2.30 * 1 + 3.25 * 0.57) = 6.95705

p1 = (126.21 * 3.45 * 0.14 + 735.63 * 3.25 * 0.57 + 0 + 0 + 0) / (3.45 * 0.14 + 3.25 * 0.57 + 1 + 1 + 1) = 266.9748254924482

p2 = (735.63 * 3.25 * 0.57 + 126.21 * 3.45 * 0.14) / max_coefficients = 205.30684701130508

score = 266.9748254924482 * 0.5 + 205.30684701130508 * 0.5 = 236.14083625187664

Rating changes

Show

Date Place Points Reason
2023-04-20 86 -> 84 236.14
2023-04-18 87 -> 86 236.14
2023-04-17 88 -> 87 236.14
2023-04-15 89 -> 88 236.14
2023-03-26 90 -> 89 236.14
2023-03-25 92 -> 90 236.14
2023-03-21 98 -> 92 236.14
2023-03-16 100 -> 98 234.67 -> 236.14

Riichi Online Open Team Cup: 29% -> 14%

2023-03-14 92 -> 100 268.68 -> 234.67

Winter Team Fight: 71% -> 57%

2023-03-07 94 -> 92 268.68

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 736 2021-11-14 24/88 57% 3.25 ONLINE Winter Team Fight
2 126 2021-05-16 91/104 14% 3.45 ONLINE Riichi Online Open Team Cup
3 636 2020-11-01 37/100 0% 3.40 ONLINE Riichi Online Open Team Cup
4 527 2020-09-13 27/56 0% 2.80 ONLINE Autumn Online Tournament
5 681 2020-05-24 44/136 0% 3.69 ONLINE Riichi Online Open Team Cup
6 537 2020-04-26 58/124 0% 3.06 ONLINE Be cool stay home
7 720 2020-02-16 41/144 0% 3.71 ONLINE Riichi Online Open Team Cup 2020
8 150 2019-09-01 35/41 0% 2.40 ONLINE Autumn Online Tournament
9 578 2019-02-17 36/84 0% 3.20 ONLINE Riichi Online Open Team Cup