CHESS SA Ratings Database

Player tournament rating analysis

Player

Grobbelaar, J (Jacqui)

[294011237] from Tshwane (GTP)
1482

Rating

Standard

+87.8

Rating change

K = 25.0

1736

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 1482
Rated games 11
Rated score 6.5
Rated percent 59.1
Rated Dp 65
Rated average opponent rating 1671.00
Rated performance 1736
Rated expected score (We) 2.99
Rated score difference (Score-We) 3.51
K-factor 25.0
Temporary rating change 87.8
Penalties 0.0
TOTAL RATING CHANGE 87.8
Count for rating OK
Total rated games with White and Black 0
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 12
Final position (single) 4
Final position (shared) 3

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/12/09 Fisher, M (Michelle) 1784 WCM 1 0.15 0.85 25.0 21.3 OK
2 2017/12/10 Van Niekerk, RJ (Robyn) 1578 1 0.37 0.63 25.0 15.8 OK
3 2017/12/11 Modi, S (Sonia) 1555 WCM 1 0.40 0.60 25.0 15.0 OK
4 2017/12/12 Joubert, D (Dantelle) 1603 WFM 0 0.34 -0.34 25.0 -8.5 OK
5 2017/12/13 Van Niekerk, MC (Megan) 1582 ½ 0.36 0.14 25.0 3.5 OK
6 2017/12/14 Laubscher, A (Anzel) 1830 WIM ½ 0.11 0.39 25.0 9.8 OK
7 2017/12/15 Marais, N (Nina) 1584 WUM ½ 0.36 0.14 25.0 3.5 OK
8 2017/12/16 Frick, D (Denise) 1792 WIM 0 0.14 -0.14 25.0 -3.5 OK
9 2017/12/17 Van Zyl, C (Charlize) 1654 WIM 1 0.27 0.73 25.0 18.3 OK
10 2017/12/18 February, JN (Jesse) 1856 WIM 0 0.10 -0.10 25.0 -2.5 OK
11 2017/12/19 Oberholzer, M (Marni) 1563 1 0.39 0.61 25.0 15.3 OK