Cherkasov Aleksandr

From Saratov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 10, 2026 (latest changes Sept. 7, 2026).

171 place (341.86).

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

p1 = (750 * 1.50 * 1 + 95.24 * 2.90 * 1 + 503.50 * 4.71 * 1 + 338.03 * 3.40 * 1 + 0) / (1.50 * 1 + 2.90 * 1 + 4.71 * 1 + 3.40 * 1 + 1) = 364.319763138416

p2 = (503.50 * 4.71 * 1 + 338.03 * 3.40 * 1 + 750 * 1.50 * 1 + 95.24 * 2.90 * 1) / max_coefficients = 319.40038935755996

score = 364.319763138416 * 0.5 + 319.40038935755996 * 0.5 = 341.860076247988

Rating changes

Show

all results
Date Place Points Reason
2026-09-06 201 -> 171 292.20 -> 341.86

Sunset Wolf Cup 2026: 0% -> 100%
2026-09-03 203 -> 201 292.20
2026-09-01 206 -> 203 292.20
2026-08-31 208 -> 206 291.80 -> 292.20
2026-08-30 206 -> 208 291.80
2026-08-27 205 -> 206 291.80
2026-08-16 198 -> 205 291.80
2026-08-15 198 290.91 -> 291.80
2026-08-13 200 -> 198 290.91
2026-08-04 203 -> 200 290.91

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 338 2026-09-06 48/72 100% 3.40 RR Sunset Wolf Cup 2026 Saint Petersburg
2 504 2026-06-14 72/144 100% 4.71 RR XII Russian Championship Samara
3 95 2026-05-03 39/43 100% 2.90 RR Sturgeon in tempai Saratov
4 750 2025-11-22 6/21 100% 1.50 CRR San-Biki Cup Saratov