Cherkasov Aleksandr

From Saratov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 21, 2026 (latest changes Aug. 16, 2026).

205 place (291.80).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 15.459999999999999

p1 = (750 * 1.50 * 1 + 95.24 * 2.90 * 1 + 503.50 * 4.71 * 1 + 0 + 0) / (1.50 * 1 + 2.90 * 1 + 4.71 * 1 + 1 + 1) = 339.5733573357336

p2 = (503.50 * 4.71 * 1 + 750 * 1.50 * 1 + 95.24 * 2.90 * 1) / max_coefficients = 244.02716688227684

score = 339.5733573357336 * 0.5 + 244.02716688227684 * 0.5 = 291.8002621090052

Rating changes

Show

all results
Date Place Points Reason
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
2026-08-02 200 -> 203 290.91
2026-07-26 201 -> 200 290.91
2026-07-25 199 -> 201 290.91
2026-07-23 198 -> 199 290.91
2026-07-18 197 -> 198 290.91
2026-07-15 198 -> 197 290.91

Tournaments

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