Cherkasov Aleksandr

From Saratov, Russia

Player page

Common russian riichi rating (CRR)

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

201 place (292.20).

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 + 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 = 244.8189487345879

score = 339.5733573357336 * 0.5 + 244.8189487345879 * 0.5 = 292.19615303516076

Rating changes

Show

all results
Date Place Points Reason
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
2026-08-02 200 -> 203 290.91

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