CHESS SA Ratings Database

Player tournament rating analysis

Player

Laurie, JD (John)

[171017232] from Sedibeng (GSV)
1990

Rating

Standard

+6.8

Rating change

K = 20.0

2025

Performance

 

Yes

Count for rating

OK

Full Analysis

Item Desctiption
Tournament Cape of Good Hope Open 2017 (A)
Grand Prix tournament
Tournament format Swiss
Rating type Standard
National/FIDE rated National
Host region Western Province (WP)
Tournament id 20170018
Tournament group id 20170014
Start 2017/01/27
End 2017/01/29
Rated 2017/01/30
Rating 1990
Rated games 7
Rated score 3.5
Rated percent 50.0
Rated Dp 0
Rated average opponent rating 2025.00
Rated performance 2025
Rated expected score (We) 3.16
Rated score difference (Score-We) 0.34
K-factor 20.0
Temporary rating change 6.8
Penalties 0.0
TOTAL RATING CHANGE 6.8
Count for rating OK
Total rated games with White and Black 0
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 10
Final position (single) 9
Final position (shared) 9

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/01/27 Southey, AM (Andrew) 1752 1 0.80 0.20 20.0 4.0 OK
2 2017/01/28 Barrish, D (Daniel) 2178 0 0.26 -0.26 20.0 -5.2 OK
3 2017/01/28 Fredericks, MMP (Malcolm) 1806 1 0.74 0.26 20.0 5.2 OK
4 2017/01/28 Klaasen, CJ (Calvin) 2193 FM 0 0.24 -0.24 20.0 -4.8 OK
5 2017/01/29 Bhawoodien, MO (Mohamed) 2137 FM 1 0.30 0.70 20.0 14.0 OK
6 2017/01/29 Solomons, DM (Deon) 2106 FM ½ 0.34 0.16 20.0 3.2 OK
7 2017/01/29 Solomon, G (Graham) 2003 0 0.48 -0.48 20.0 -9.6 OK