Dyuzhenkov Ivan

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 15, 2026 (latest changes Jan. 15, 2026).

297 place (45.10).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (96.77 * 3.10 * 0.86 + 78.43 * 3.05 * 1 + 0 + 0 + 0) / (3.10 * 0.86 + 3.05 * 1 + 1 + 1 + 1) = 57.0057918849295

p2 = (96.77 * 3.10 * 0.86 + 78.43 * 3.05 * 1) / max_coefficients = 33.200668896321076

score = 57.0057918849295 * 0.5 + 33.200668896321076 * 0.5 = 45.103230390625285

Rating changes

Show

all results
Date Place Points Reason
2026-01-15 298 -> 297 45.10
2026-01-10 299 -> 298 45.10
2026-01-07 297 -> 299 47.50 -> 45.10

Moscow Open Riichi Marathon: 100% -> 86%
2026-01-03 293 -> 297 47.50
2025-12-27 289 -> 293 47.50
2025-12-07 286 -> 289 47.50
2025-12-06 281 -> 286 47.50
2025-12-04 280 -> 281 47.50
2025-11-30 279 -> 280 47.50
2025-11-25 280 -> 279 47.50

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 78 2025-02-02 48/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
2 97 2025-01-07 29/32 86% 3.10 RR Moscow Open Riichi Marathon Moscow