CHESS SA Ratings Database

Player tournament rating analysis

Player

Grobbelaar, J (Jacqui)

[294011237] from Tshwane (GTP)
1582

Rating

Standard

-11.5

Rating change

K = 25.0

1533

Performance

 

Yes

Count for rating

OK

Full Analysis

Item Desctiption
Tournament 2017 Piet Robbertse (FIDE)
Grand Prix tournament
Tournament format Swiss
Rating type Standard
National/FIDE rated National
Host region Tshwane (GTP)
Tournament id 20170109
Tournament group id 20170106
Start 2017/01/27
End 2017/01/29
Rated 2017/02/08
Rating 1582
Rated games 5
Rated score 1.0
Rated percent 20.0
Rated Dp -240
Rated average opponent rating 1773.40
Rated performance 1533
Rated expected score (We) 1.46
Rated score difference (Score-We) -0.46
K-factor 25.0
Temporary rating change -11.5
Penalties 0.0
TOTAL RATING CHANGE -11.5
Count for rating OK
Total rated games with White and Black 0
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 13
Final position (single) 13
Final position (shared) 13

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/01/27 Wilken, JB (Justin) 1849 0 0.18 -0.18 25.0 -4.5 OK
2 2017/01/28 Minifie, JP (Joshua) 1606 0 0.47 -0.47 25.0 -11.8 OK
3 2017/01/28 Mazibuko, K (Khanya) 1854 CM 0 0.17 -0.17 25.0 -4.3 OK
4 2017/01/28 Engelbrecht, H (Hanri) 1524 WFM 1 0.58 0.42 25.0 10.5 OK
5 2017/01/29 Bornheim, C (Craig) 2034 CM 0 0.06 -0.06 25.0 -1.5 OK