Koshelev Lev

From Novosibirsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 31, 2026 (latest changes Oct. 31, 2026).

316 place (137.30).

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

p1 = (161.29 * 2.40 * 0.43 + 478.26 * 2.20 * 1 + 0 + 0 + 0) / (2.40 * 0.43 + 2.20 * 1 + 1 + 1 + 1) = 195.56114978550696

p2 = (478.26 * 2.20 * 1 + 161.29 * 2.40 * 0.43) / max_coefficients = 79.044776119403

score = 195.56114978550696 * 0.5 + 79.044776119403 * 0.5 = 137.30296295245498

Rating changes

Show

all results
Date Place Points Reason
2026-10-31 317 -> 316 137.30
2026-10-26 318 -> 317 137.30
2026-10-24 314 -> 318 137.30
2026-10-15 315 -> 314 137.30
2026-10-13 320 -> 315 138.20 -> 137.30

Akademgorodok Riichi Mahjong Tournament 2025: 57% -> 43%
2026-10-10 318 -> 320 138.20
2026-10-02 319 -> 318 138.20
2026-09-26 318 -> 319 138.20
2026-09-15 320 -> 318 138.20
2026-09-06 312 -> 320 138.20

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 478 2026-08-30 13/24 100% 2.20 CRR Dora Hunt Barnaul
2 161 2025-04-13 27/32 43% 2.40 CRR Akademgorodok Riichi Mahjong Tournament 2025 Novosibirsk
3 333 2022-04-17 11/16 0% 1.60 CRR Riichi Tournament 2022 Novosibirsk