Grishchenko Aleksandra

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 11, 2024 (latest changes Oct. 11, 2024).

41 place (578.01).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (549.02 * 3.05 * 1 + 326.09 * 2.10 * 1 + 822.43 * 4.60 * 1 + 322.58 * 1.80 * 1 + 789.47 * 1.50 * 1 + 547.37 * 3.85 * 1) / (3.05 * 1 + 2.10 * 1 + 4.60 * 1 + 1.80 * 1 + 1.50 * 1 + 3.85 * 1) = 592.585798816568

p2 = (822.43 * 4.60 * 1 + 547.37 * 3.85 * 1 + 549.02 * 3.05 * 1 + 789.47 * 1.50 * 1) / max_coefficients = 563.4366708740115

score = 592.585798816568 * 0.5 + 563.4366708740115 * 0.5 = 578.0112348452897

Rating changes

Show

Date Place Points Reason
2024-09-03 45 -> 41 568.01 -> 578.01
2024-09-01 48 -> 45 542.40 -> 568.01

SPB Riichi Open 2024: 0% -> 100%

2024-08-27 49 -> 48 542.40
2024-08-26 50 -> 49 542.40
2024-08-11 51 -> 50 539.86 -> 542.40
2024-08-04 45 -> 51 549.42 -> 539.86
2024-07-14 41 -> 45 549.42
2024-06-11 42 -> 41 540.84 -> 549.42
2024-06-09 39 -> 42 540.84
2024-05-25 56 -> 39 486.14 -> 540.84

Duplicate riichi mahjong tournament 2024: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 547 2024-09-01 44/96 100% 3.85 RR SPB Riichi Open 2024
2 789 2024-05-25 5/20 100% 1.50 CRR Duplicate riichi mahjong tournament 2024
3 323 2024-05-19 22/32 100% 1.80 CRR "Green Dragon" in the Secret Chamber
4 822 2024-05-12 20/108 100% 4.60 RR X Russian Championship
5 326 2024-03-30 32/47 100% 2.10 RR Seihoku spring tournament 2024
6 549 2024-03-10 24/52 100% 3.05 RR Agari Spring Tournament 2024