Chekan Vikmar

From Saint Petersburg, Russia

EMA: 15990345

Player page

Common russian riichi rating (CRR)

Rating date Sept. 17, 2026 (latest changes Sept. 17, 2026).

358 place (0.00).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (0 * 3.45 * 0.86 + 0 * 3.40 * 1 + 0 + 0 + 0) / (3.45 * 0.86 + 3.40 * 1 + 1 + 1 + 1) = 0.0

p2 = (0 * 3.45 * 0.86 + 0 * 3.40 * 1) / max_coefficients = 0.0

score = 0.0 * 0.5 + 0.0 * 0.5 = 0.0

Rating changes

Show

all results
Date Place Points Reason
2026-09-15 360 -> 358 0.00
2026-09-06 362 -> 360 1.27 -> 0.00

Sunset Wolf Cup 2026: 0% -> 100%
2026-08-31 362 1.20 -> 1.27

SPB Riichi Open 2025: 100% -> 86%
2026-08-30 359 -> 362 1.20
2026-08-16 357 -> 359 1.20
2026-08-04 364 -> 357 1.20
2026-08-02 352 -> 364 1.20
2026-07-25 348 -> 352 1.20
2026-07-14 352 -> 348 1.20
2026-07-12 348 -> 352 1.20

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 0 2026-09-06 72/72 100% 3.40 RR Sunset Wolf Cup 2026 Saint Petersburg
2 0 2025-08-31 78/78 86% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
3 21 2024-09-01 94/96 0% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 22 2024-03-30 46/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
5 486 2023-09-03 56/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
6 1000 2023-04-22 🥇 1/24 0% 1.40 CRR Fire cup 2023 Saint Petersburg
7 97 2023-02-25 29/32 0% 1.80 CRR Earth cup Saint Petersburg
8 410 2022-08-27 24/40 0% 1.80 CRR Sun tournament Saint Petersburg
9 721 2019-12-15 32/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
10 571 2019-11-24 28/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
11 692 2019-06-02 13/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
12 590 2018-12-23 17/40 0% 2.90 RR North Cup 2018 Saint Petersburg
13 677 2018-03-04 11/32 0% 2.70 RR East Cup 2018 Saint Petersburg
14 108 2017-12-11 75/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
15 1000 2017-10-01 🥇 1/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg
16 1000 2017-06-03 🥇 1/40 0% 1.80 RR Saint Petersburg championship. West cup 2017 Saint Petersburg
17 977 2017-03-18 🥈 2/44 0% 1.90 RR Saint Petersburg championship. South cup 2017 Saint Petersburg
18 533 2016-04-17 8/16 0% 1.20 RR Riichi mahjong league tournament 2016 (JPML-A rules) Moscow
19 162 2016-03-13 84/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
20 684 2015-11-15 7/20 0% 1.30 RR Tournament of Saint Petersburg riichi mahjong league Saint Petersburg