CHESS SA Ratings Database

Player tournament rating analysis

Player

Ateka, N (Nathan)

[174086437] from Kenya (KEN)
2123

Rating

Rapid

-76.8

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 2123
Rated games 9
Rated score 4.5
Rated percent 45.0
Rated Dp -36
Rated average opponent rating 1603.30
Rated performance 1567
Rated expected score (We) 7.06
Rated score difference (Score-We) -2.56
K-factor 30.0
Temporary rating change -76.8
Penalties 0.0
TOTAL RATING CHANGE -76.8
Count for rating OK
Total rated games with White and Black 0
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 13
Final position (single) 20
Final position (shared) 20

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/04/22 Sadie, JJH (Johan) 1731* 0 0.92 -0.92 30.0 -27.6 OK
2 2017/04/22 Van Zyl-Rudd, J (Jack) 1731* FM 1 0.92 0.08 30.0 2.4 OK
3 2017/04/22 Levy, D (Darren) 1776U 0 0.89 -0.89 30.0 -26.7 Unrated opp excluded
4 2017/04/22 Frick, D (Denise) 1780 WIM 1 0.88 0.12 30.0 3.6 OK
5 2017/04/22 Tembo, E (Epah) 1731* 1 0.92 0.08 30.0 2.4 OK
6 2017/04/22 Van Rensburg, RP (Ryan) 2141 IM 0 0.47 -0.47 30.0 -14.1 OK
7 2017/04/22 Paiva, D (Donaldo) 2146 NM 0 0.47 -0.47 30.0 -14.1 OK
8 2017/04/23 Mazibuko, K (Khanya) 1731* CM 0 0.92 -0.92 30.0 -27.6 OK
9 2017/04/23 Nelson, WJH (William) 1935 ½ 0.74 -0.24 30.0 -7.2 OK
10 2017/04/23 Jonker, W (Waldo) 1866 1 0.82 0.18 30.0 5.4 OK