Usmanov Rodion

From Moscow, Russia

EMA: 15990243

Player page

Common russian riichi rating (CRR)

Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).

163 place (306.25).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (483.87 * 1.80 * 0.43 + 894.74 * 1.50 * 1 + 473.68 * 2.25 * 1 + 0 + 0) / (1.80 * 0.43 + 1.50 * 1 + 2.25 * 1 + 1 + 1) = 426.467611646436

p2 = (894.74 * 1.50 * 1 + 473.68 * 2.25 * 1 + 483.87 * 1.80 * 0.43) / max_coefficients = 186.0334448160535

score = 426.467611646436 * 0.5 + 186.0334448160535 * 0.5 = 306.25052823124474

Rating changes

Show

all results
Date Place Points Reason
2025-12-07 204 -> 163 220.08 -> 306.25

Winter Hatiko: 0% -> 100%
2025-12-06 201 -> 204 220.08
2025-11-30 202 -> 201 220.08
2025-11-22 200 -> 202 220.08
2025-11-19 198 -> 200 227.92 -> 220.08

"Green Dragon" in the Secret Chamber: 57% -> 43%
2025-11-14 199 -> 198 227.92
2025-11-12 201 -> 199 227.92
2025-11-04 195 -> 201 230.72 -> 227.92
2025-11-01 194 -> 195 230.49 -> 230.72
2025-10-25 195 -> 194 230.49

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 474 2025-12-07 11/20 100% 2.25 RR Winter Hatiko Korolyov
2 895 2025-05-17 🥉 3/20 100% 1.50 CRR HaTiKo Korolyov
3 484 2024-05-19 17/32 43% 1.80 CRR "Green Dragon" in the Secret Chamber Korolyov
4 309 2019-01-05 39/56 0% 3.00 EMA Snow Dragon Novosibirsk
5 130 2018-07-22 21/24 0% 2.73 RR Winner tournament. Agari season event Moscow
6 407 2018-05-20 17/28 0% 3.50 CRR A-League Moscow
7 263 2018-05-12 15/20 0% 1.50 CRR Agari tournament. First stage Moscow
8 63 2017-10-22 60/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
9 333 2017-09-24 19/28 0% 2.60 RR Moscow Riichi Half Marathon 2017 Moscow
10 74 2017-08-06 26/28 0% 2.30 EMA Ivanovo Region Riichi 2017 Ivanovo
11 522 2016-12-10 12/24 0% 1.60 RR December tournament glhf; 2016 Moscow
12 254 2016-12-04 54/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
13 126 2016-09-11 77/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
14 696 2016-05-28 8/24 0% 1.60 RR May tournament glhf; 2016 Moscow
15 687 2016-03-13 32/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
16 182 2016-02-27 10/12 0% 1.10 CRR Mahjong tournament at the Intellectual Games Festival 2016 Samara
17 400 2016-02-06 10/16 0% 1.40 RR February tournament glhf; 2016 Moscow
18 465 2016-01-05 24/44 0% 1.90 RR Eighth winter tournament Novosibirsk
19 490 2015-10-18 27/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
20 400 2015-08-22 22/36 0% 1.70 EMA Nizhny Novgorod Riichi Championship 2015 Nizhny Novgorod