Essen Aleksandr

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 7, 2026 (latest changes Sept. 7, 2026).

104 place (470.98).

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

p1 = (714.29 * 3.45 * 0.86 + 716.22 * 3.40 * 1 + 677.42 * 1.80 * 1 + 0 + 0) / (3.45 * 0.86 + 3.40 * 1 + 1.80 * 1 + 1 + 1) = 567.7496149205547

p2 = (716.22 * 3.40 * 1 + 714.29 * 3.45 * 0.86 + 677.42 * 1.80 * 1) / max_coefficients = 374.2134977287475

score = 567.7496149205547 * 0.5 + 374.2134977287475 * 0.5 = 470.9815563246511

Rating changes

Show

all results
Date Place Points Reason
2026-08-31 100 -> 104 485.16 -> 470.98

SPB Riichi Open 2025: 100% -> 86%
2026-08-30 98 -> 100 485.16
2026-08-16 94 -> 98 485.16
2026-08-15 94 483.71 -> 485.16
2026-08-13 95 -> 94 483.71
2026-08-04 96 -> 95 483.71
2026-08-03 97 -> 96 483.71
2026-08-02 98 -> 97 483.71
2026-07-25 136 -> 98 406.00 -> 483.71

Seihoku Summer Tournament 2026: 0% -> 100%
2026-07-18 134 -> 136 406.00

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 677 2026-07-25 11/32 100% 1.80 RR Seihoku Summer Tournament 2026 Saint Petersburg
2 716 2026-02-23 22/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
3 714 2025-08-31 23/78 86% 3.45 RR SPB Riichi Open 2025 Saint Petersburg