CHESS SA Ratings Database

Player tournament rating analysis

Player

Maruma, AB (Abel Brown)

[191053132] from Tshwane (GTP)
1520

Rating

Standard

+57.9

Rating change

K = 30.0

1766

Performance

 

Yes

Count for rating

OK

Full Analysis

Item Desctiption
Tournament 2017 PSS + JNW Classic (A)
Grand Prix tournament
Tournament format Swiss
Rating type Standard
National/FIDE rated National
Host region Johannesburg Metro (GJM)
Tournament id 20170687
Tournament group id 20170684
Start 2017/04/22
End 2017/04/22
Rated 2017/04/25
Rating 1520
Rated games 6
Rated score 3.5
Rated percent 58.3
Rated Dp 57
Rated average opponent rating 1709.33
Rated performance 1766
Rated expected score (We) 1.57
Rated score difference (Score-We) 1.93
K-factor 30.0
Temporary rating change 57.9
Penalties 0.0
TOTAL RATING CHANGE 57.9
Count for rating OK
Total rated games with White and Black 0
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 27
Final position (single) 10
Final position (shared) 8

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/04/22 Tshetlo, T (Tshepo) 1739 1 0.22 0.78 30.0 23.4 OK
2 2017/04/22 Runganani, RS (Rabelani) 1698 0 0.27 -0.27 30.0 -8.1 OK
3 2017/04/22 Salepas, B (Basil) 1835 1 0.14 0.86 30.0 25.8 OK
4 2017/04/22 Menyuku, BO (Boitumelo) 1616 1 0.37 0.63 30.0 18.9 OK
5 2017/04/22 Chinoruma, T (Taurai) 1689 0 0.28 -0.28 30.0 -8.4 OK
6 2017/04/22 Thabethe, NA (Nhlanhla) 1679 ½ 0.29 0.21 30.0 6.3 OK