CHESS SA Ratings Database

Player tournament rating analysis

Player

Jonker, W (Waldo)

[167014324] from Ekurhuleni (GE)
1866

Rating

Rapid

-63.6

Rating change

K = 30.0

1567

Performance

 

Yes

Count for rating

OK

Full Analysis

Item Desctiption
Tournament 2017 PSS Prestige (Rapid)
Grand Prix tournament
Tournament format Swiss
Rating type Rapid
National/FIDE rated National
Host region Johannesburg Metro (GJM)
Tournament id 20170735
Tournament group id 20170735
Start 2017/04/22
End 2017/04/23
Rated 2017/04/27
Rating 1866
Rated games 8
Rated score 1.5
Rated percent 27.8
Rated Dp -166
Rated average opponent rating 1733.11
Rated performance 1567
Rated expected score (We) 3.62
Rated score difference (Score-We) -2.12
K-factor 30.0
Temporary rating change -63.6
Penalties 0.0
TOTAL RATING CHANGE -63.6
Count for rating OK
Total rated games with White and Black 0
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 27
Final position (single) 33
Final position (shared) 32

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/04/22 Mosetlhe, KK (Kgaugelo) 2192 NM 0 0.13 -0.13 30.0 -3.9 OK
2 2017/04/22 Bye 1 0.00 0.00 30.0 0.0 Bye
3 2017/04/22 Longano, MN (Michael) 1962 0 0.37 -0.37 30.0 -11.1 OK
4 2017/04/22 Steyn, H (Hans) 1733 0 0.68 -0.68 30.0 -20.4 OK
5 2017/04/22 Nelson, WJH (William) 1935 0 0.40 -0.40 30.0 -12.0 OK
6 2017/04/22 Swartz, D (David) 1474* ½ 0.92 -0.42 30.0 -12.6 OK
7 2017/04/22 Levy, D (Darren) 1776U 1 0.62 0.38 30.0 11.4 Unrated opp excluded
8 2017/04/23 Frick, D (Denise) 1780 WIM 1 0.62 0.38 30.0 11.4 OK
9 2017/04/23 Parodi, A (Alessandro) 1997 0 0.32 -0.32 30.0 -9.6 OK
10 2017/04/23 Ateka, N (Nathan) 2123 0 0.18 -0.18 30.0 -5.4 OK