Ivanov Dmitriy

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

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

285 place (110.22).

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

p1 = (0 * 1.50 * 0.14 + 297.30 * 3.40 * 1 + 0 + 0 + 0) / (1.50 * 0.14 + 3.40 * 1 + 1 + 1 + 1) = 152.82076092133013

p2 = (297.30 * 3.40 * 1 + 0 * 1.50 * 0.14) / max_coefficients = 67.61270903010033

score = 152.82076092133013 * 0.5 + 67.61270903010033 * 0.5 = 110.21673497571524

Rating changes

Show

all results
Date Place Points Reason
2026-04-04 286 -> 285 110.22
2026-03-30 290 -> 286 110.22
2026-03-25 291 -> 290 107.82 -> 110.22

Duplicate riichi mahjong tournament 2024: 29% -> 14%
2026-03-21 281 -> 291 107.82
2026-03-15 282 -> 281 107.82
2026-03-14 279 -> 282 107.82
2026-03-12 281 -> 279 107.82
2026-03-10 283 -> 281 107.82
2026-03-07 279 -> 283 107.82
2026-03-01 280 -> 279 107.82

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 297 2026-02-23 53/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
2 0 2024-05-25 20/20 14% 1.50 CRR Duplicate riichi mahjong tournament 2024 Moscow