CHESS SA Ratings Database

Player tournament rating analysis

Player

Grobbelaar, J (Jacqui)

[294011237] from Tshwane (GTP)
1496

Rating

Standard

-14.5

Rating change

K = 25.0

1442

Performance

 

Yes

Count for rating

OK

Full Analysis

Item Desctiption
Tournament 2017 Gauteng North Open (A)
Grand Prix tournament
Tournament format Swiss
Rating type Standard
National/FIDE rated National
Host region Tshwane (GTP)
Tournament id 20172065
Tournament group id 20172062
Start 2017/10/21
End 2017/10/22
Rated 2017/11/01
Rating 1496
Rated games 5
Rated score 2.0
Rated percent 40.0
Rated Dp -72
Rated average opponent rating 1514.40
Rated performance 1442
Rated expected score (We) 2.58
Rated score difference (Score-We) -0.58
K-factor 25.0
Temporary rating change -14.5
Penalties 0.0
TOTAL RATING CHANGE -14.5
Count for rating OK
Total rated games with White and Black 0
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 16
Final position (single) 19
Final position (shared) 16

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/10/21 Bekker, L (Luan) 1278 1 0.78 0.22 25.0 5.5 OK
2 2017/10/21 Zwakala, N (Ntando) 2016 PM 0 0.03 -0.03 25.0 -0.8 OK
3 2017/10/21 Jacobs, CL (Cavan) 1588 0 0.37 -0.37 25.0 -9.3 OK
4 2017/10/22 De Villiers, A (Anri) 1383 0 0.65 -0.65 25.0 -16.3 OK
5 2017/10/22 Marais, DJ (Dawid) 1307 1 0.75 0.25 25.0 6.3 OK