CHESS SA Ratings Database

Player tournament rating analysis

Player

Grobbelaar, J (Jacqui)

[294011237] from Tshwane (GTP)
1573

Rating

Standard

-23.1

Rating change

K = 22.9

1381

Performance

 

Yes

Count for rating

OK

Full Analysis

Item Desctiption
Tournament 2018 Piet Robbertse Chess Tournament (Prestige)
Grand Prix tournament
Tournament format Swiss
Rating type Standard
National/FIDE rated FIDE
Host region Tshwane (GTP)
Tournament id 20180193
Tournament group id 20180189
Start 2018/02/02
End 2018/02/04
Rated 2018/02/11
Rating 1573
Rated games 5
Rated score 2.0
Rated percent 40.0
Rated Dp -72
Rated average opponent rating 1452.80
Rated performance 1381
Rated expected score (We) 3.01
Rated score difference (Score-We) -1.01
K-factor 22.9
Temporary rating change -23.1
Penalties 0.0
TOTAL RATING CHANGE -23.1
Count for rating OK
Total rated games with White and Black 5
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 8
Final position (single) 16
Final position (shared) 16

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2018/02/02 Senekal, F (Frederick) 1181* 1 0.92 0.08 22.9 1.8 OK
2 2018/02/03 Fourie, B (Brandon) 1398 1 0.73 0.27 22.9 6.2 OK
3 2018/02/03 Ponelis, AA (Albert) 1812 0 0.20 -0.20 22.9 -4.6 OK
4 2018/02/04 Lekalakala, R (Rakgoshik) 1611 0 0.45 -0.45 22.9 -10.3 OK
5 2018/02/04 Tissot Van Patot, A (Anton) 1411 0 0.71 -0.71 22.9 -16.2 OK