CHESS SA Ratings Database

Player tournament rating analysis

Player

Van Niekerk, RJ (Robyn)

[296040218] from Western Province (WP)
1578

Rating

Standard

-34.0

Rating change

K = 25.0

1487

Performance

 

Yes

Count for rating

OK

Full Analysis

Item Desctiption
Tournament 2017 South African Closed Chess Championships (Women)
Grand Prix tournament
Tournament format Swiss
Rating type Standard
National/FIDE rated National
Host region Western Province (WP)
Tournament id 20172218
Tournament group id 20172215
Start 2017/12/09
End 2017/12/19
Rated 2017/12/19
Rating 1578
Rated games 11
Rated score 3.0
Rated percent 27.3
Rated Dp -175
Rated average opponent rating 1662.27
Rated performance 1487
Rated expected score (We) 4.36
Rated score difference (Score-We) -1.36
K-factor 25.0
Temporary rating change -34.0
Penalties 0.0
TOTAL RATING CHANGE -34.0
Count for rating OK
Total rated games with White and Black 0
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 9
Final position (single) 12
Final position (shared) 12

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/12/09 Modi, S (Sonia) 1555 WCM 1 0.53 0.47 25.0 11.8 OK
2 2017/12/10 Grobbelaar, J (Jacqui) 1482 WPM 0 0.63 -0.63 25.0 -15.8 OK
3 2017/12/11 Joubert, D (Dantelle) 1603 WFM 0 0.47 -0.47 25.0 -11.8 OK
4 2017/12/12 Van Niekerk, MC (Megan) 1582 0 0.49 -0.49 25.0 -12.3 OK
5 2017/12/13 Laubscher, A (Anzel) 1830 WIM ½ 0.19 0.31 25.0 7.8 OK
6 2017/12/14 Marais, N (Nina) 1584 WUM ½ 0.49 0.01 25.0 0.3 OK
7 2017/12/15 Frick, D (Denise) 1792 WIM 0 0.23 -0.23 25.0 -5.8 OK
8 2017/12/16 Van Zyl, C (Charlize) 1654 WIM 0 0.40 -0.40 25.0 -10.0 OK
9 2017/12/17 February, JN (Jesse) 1856 WIM 0 0.17 -0.17 25.0 -4.3 OK
10 2017/12/18 Oberholzer, M (Marni) 1563 ½ 0.52 -0.02 25.0 -0.5 OK
11 2017/12/19 Fisher, M (Michelle) 1784 WCM ½ 0.24 0.26 25.0 6.5 OK