CHESS SA Ratings Database

Player tournament rating analysis

Player

Grobbelaar, J (Jacqui)

[294011237] from Tshwane (GTP)
1573

Rating

Standard

-13.8

Rating change

K = 21.9

1462

Performance

 

Yes

Count for rating

OK

Full Analysis

Item Desctiption
Tournament 2018 Blou Bul Open (A)
Grand Prix tournament
Tournament format Swiss
Rating type Standard
National/FIDE rated National
Host region Tshwane (GTP)
Tournament id 20180264
Tournament group id 20180259
Start 2018/02/17
End 2018/02/17
Rated 2018/02/20
Rating 1573
Rated games 4
Rated score 1.0
Rated percent 25.0
Rated Dp -193
Rated average opponent rating 1654.75
Rated performance 1462
Rated expected score (We) 1.63
Rated score difference (Score-We) -0.63
K-factor 21.9
Temporary rating change -13.8
Penalties 0.0
TOTAL RATING CHANGE -13.8
Count for rating OK
Total rated games with White and Black 4
Default wins 0
Default losses (possible penalties) 0
Byes 1
Tournament rank 17
Final position (single) 12
Final position (shared) 11

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2018/02/17 Phala, AGM (Arthur) 1506 1 0.59 0.41 21.9 9.0 OK
2 2018/02/17 Molebatsi, TB (Teboho) 1639 0 0.41 -0.41 21.9 -9.0 OK
3 2018/02/17 Khumalo, KB (Keith) 1906 0 0.12 -0.12 21.9 -2.6 OK
4 2018/02/17 Waters, A (Anre) 1568 0 0.51 -0.51 21.9 -11.2 OK
5 2018/02/17 Bye 1 0.00 0.00 21.9 0.0 Bye