Essen Aleksandr

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date Sept. 4, 2026 (latest changes Sept. 3, 2026).

89 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
2026-09-01 90 -> 89 470.98
2026-08-31 84 -> 90 485.16 -> 470.98

SPB Riichi Open 2025: 100% -> 86%
2026-08-16 82 -> 84 485.16
2026-08-15 84 -> 82 483.71 -> 485.16
2026-08-02 83 -> 84 483.71
2026-07-25 111 -> 83 406.00 -> 483.71

Seihoku Summer Tournament 2026: 0% -> 100%
2026-07-18 110 -> 111 406.00
2026-07-12 108 -> 110 406.00
2026-07-01 109 -> 108 406.00
2026-06-15 109 400.29 -> 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