Korovin Igor

From Simferopol, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 9, 2026 (latest changes Nov. 8, 2026).

295 place (183.02).

max_coefficients = (4.71 * 1 + 3.40 * 1 + 3.40 * 1 + 3.40 * 1) = 14.91

p1 = (684.21 * 1.30 * 1 + 368.42 * 1.30 * 1 + 133.33 * 1.20 * 1 + 0 + 0) / (1.30 * 1 + 1.30 * 1 + 1.20 * 1 + 1 + 1) = 263.5206896551724

p2 = (684.21 * 1.30 * 1 + 368.42 * 1.30 * 1 + 133.33 * 1.20 * 1) / max_coefficients = 102.50972501676728

score = 263.5206896551724 * 0.5 + 102.50972501676728 * 0.5 = 183.01520733596985

Rating changes

Show

all results
Date Place Points Reason
2026-11-08 292 -> 295 183.02
2026-11-04 294 -> 292 181.35 -> 183.02
2026-11-01 289 -> 294 181.35
2026-10-31 285 -> 289 181.35
2026-10-24 283 -> 285 181.35
2026-10-17 295 -> 283 166.58 -> 181.35

Autumn League Stage 2: 0% -> 100%
2026-10-14 296 -> 295 166.58
2026-10-13 300 -> 296 166.58
2026-10-10 298 -> 300 166.58
2026-10-02 299 -> 298 166.58

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 133 2026-10-17 14/16 100% 1.20 CRR Autumn League Stage 2 Simferopol
2 368 2026-09-26 13/20 100% 1.30 CRR Autumn League Stage 1 Simferopol
3 684 2026-07-18 7/20 100% 1.30 RR Heat in the discard Simferopol