CHESS SA Ratings Database

Player tournament rating analysis

Player

Oberholzer, M (Marni)

[200028687] from Tshwane (GTP)
1578

Rating

Standard

-2.3

Rating change

K = 25.0

1588

Performance

 

Yes

Count for rating

OK

Full Analysis

Item Desctiption
Tournament 2017 KCF Africa Team Chess Invitational
Grand Prix tournament
Tournament format Swiss
Rating type Standard
National/FIDE rated National
Host region Tshwane (GTP)
Tournament id 20171974
Tournament group id 20171974
Start 2017/10/05
End 2017/10/08
Rated 2017/10/14
Rating 1578
Rated games 7
Rated score 2.5
Rated percent 35.7
Rated Dp -102
Rated average opponent rating 1689.57
Rated performance 1588
Rated expected score (We) 2.59
Rated score difference (Score-We) -0.09
K-factor 25.0
Temporary rating change -2.3
Penalties 0.0
TOTAL RATING CHANGE -2.3
Count for rating OK
Total rated games with White and Black 0
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 33
Final position (single) 22
Final position (shared) 22

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/10/05 Mwango , L (Lorita) 1930 WFM 0 0.11 -0.11 25.0 -2.8 OK
2 2017/10/06 Tembo, E (Epah) 1681 0 0.36 -0.36 25.0 -9.0 OK
3 2017/10/06 Engelbrecht, H (Hanri) 1485 WFM ½ 0.63 -0.13 25.0 -3.3 OK
4 2017/10/07 Ndachipiwa, K (Kgomotso) 1605 ½ 0.46 0.04 25.0 1.0 OK
5 2017/10/07 Oberholzer, I (Imarie) 1465 WFM ½ 0.65 -0.15 25.0 -3.8 OK
6 2017/10/08 Tlale, T (Tshepang) 1802 WIM 1 0.22 0.78 25.0 19.5 OK
7 2017/10/08 Latreche, K (Khadidja) 1859 WIM 0 0.16 -0.16 25.0 -4.0 OK