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

1736

Performance

 

Yes

Count for rating

OK

Analysis

TournamentHostTypeRndsStartRatingGmsScr%DpAORPRatKWeSWeRpmPRpmTRpmCFRReason
2017 South African Closed Chess Championships (Women) 11 2017/12/09 1482 11 6.5 59.1 65 1671.0 1736 25 2.99 3.51 87.8 0.0 87.8 OK

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/12/09 Fisher, M (Michelle) 1784 WCM 1 0.15 0.85 25 21.3 OK
2 2017/12/10 Van Niekerk, RJ (Robyn) 1578 1 0.37 0.63 25 15.8 OK
3 2017/12/11 Modi, S (Sonia) 1555 WCM 1 0.40 0.60 25 15.0 OK
4 2017/12/12 Joubert, D (Dantelle) 1603 WFM 0 0.34 -0.34 25 -8.5 OK
5 2017/12/13 Van Niekerk, MC (Megan) 1582 ½ 0.36 0.14 25 3.5 OK
6 2017/12/14 Laubscher, A (Anzel) 1830 WIM ½ 0.11 0.39 25 9.8 OK
7 2017/12/15 Marais, N (Nina) 1584 WUM ½ 0.36 0.14 25 3.5 OK
8 2017/12/16 Frick, D (Denise) 1792 WIM 0 0.14 -0.14 25 -3.5 OK
9 2017/12/17 Van Zyl, C (Charlize) 1654 WIM 1 0.27 0.73 25 18.3 OK
10 2017/12/18 February, JN (Jesse) 1856 WIM 0 0.10 -0.10 25 -2.5 OK
11 2017/12/19 Oberholzer, M (Marni) 1563 1 0.39 0.61 25 15.3 OK