Tsiporin Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 26, 2025 (latest changes Jan. 26, 2025).

186 place (190.87).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (126.32 * 3.85 * 1 + 258.43 * 3.75 * 1 + 452.38 * 2.60 * 1 + 0 + 0) / (3.85 * 1 + 3.75 * 1 + 2.60 * 1 + 1 + 1) = 215.70573770491805

p2 = (452.38 * 2.60 * 1 + 258.43 * 3.75 * 1 + 126.32 * 3.85 * 1) / max_coefficients = 166.03217665615142

score = 215.70573770491805 * 0.5 + 166.03217665615142 * 0.5 = 190.86895718053472

Rating changes

Show

all results
Date Place Points Reason
2025-01-26 198 -> 186 114.56 -> 190.87

Riichi On Ice: 0% -> 100%
2025-01-14 200 -> 198 114.56
2025-01-07 195 -> 200 114.56
2025-01-05 196 -> 195 114.56
2025-01-04 194 -> 196 114.56
2025-01-01 195 -> 194 114.56
2024-12-29 194 -> 195 114.56
2024-11-14 195 -> 194 114.56
2024-11-05 200 -> 195 114.56
2024-11-04 195 -> 200 114.56

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 452 2025-01-26 24/43 100% 2.60 RR Riichi On Ice
2 258 2024-10-13 67/90 100% 3.75 RR Moscow Riichi 2024
3 126 2024-09-01 84/96 100% 3.85 RR SPB Riichi Open 2024