Cherkasov Aleksandr

From Saratov, Russia

Player page

Common russian riichi rating (CRR)

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

200 place (290.91).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

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 = 242.2392033958923

score = 339.5733573357336 * 0.5 + 242.2392033958923 * 0.5 = 290.90628036581296

Rating changes

Show

all results
Date Place Points Reason
2026-06-16 199 -> 200 290.91
2026-06-15 201 -> 199 286.52 -> 290.91
2026-06-14 287 -> 201 141.85 -> 286.52

XII Russian Championship: 0% -> 100%
2026-06-09 288 -> 287 141.85
2026-06-04 289 -> 288 141.85
2026-05-31 282 -> 289 141.85
2026-05-25 285 -> 282 141.85
2026-05-23 286 -> 285 141.85
2026-05-17 285 -> 286 141.85
2026-05-14 286 -> 285 141.85

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