Revin Ivan

From Novosibirsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 13, 2026 (latest changes Oct. 13, 2026).

214 place (281.78).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (290.32 * 2.40 * 0.43 + 914.29 * 2.50 * 1 + 0 + 0 + 0) / (2.40 * 0.43 + 2.50 * 1 + 1 + 1 + 1) = 395.84813988824624

p2 = (914.29 * 2.50 * 1 + 290.32 * 2.40 * 0.43) / max_coefficients = 167.7060350421804

score = 395.84813988824624 * 0.5 + 167.7060350421804 * 0.5 = 281.7770874652133

Rating changes

Show

all results
Date Place Points Reason
2026-10-13 218 -> 214 282.37 -> 281.78

Akademgorodok Riichi Mahjong Tournament 2025: 57% -> 43%
2026-10-10 217 -> 218 282.37
2026-10-02 218 -> 217 282.37
2026-09-26 219 -> 218 282.37
2026-09-07 220 -> 219 282.37
2026-09-06 216 -> 220 282.37
2026-09-02 217 -> 216 282.37
2026-09-01 219 -> 217 282.37
2026-08-31 222 -> 219 282.09 -> 282.37
2026-08-30 220 -> 222 282.09

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 914 2026-04-19 4/36 100% 2.50 CRR Akademgorodok Riichi Mahjong Tournament 2026 Novosibirsk
2 290 2025-04-13 23/32 43% 2.40 CRR Akademgorodok Riichi Mahjong Tournament 2025 Novosibirsk
3 67 2024-05-05 15/16 0% 1.60 CRR Akademgorodok: Riichi Mahjong Tournament 2024 Novosibirsk