CHESS SA Ratings Database

Player tournament rating analysis

Player

Nelson, WJH (William)

[178027309] from Tshwane (GTP)
1935

Rating

Rapid

-62.7

Rating change

K = 30.0

1609

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 1935
Rated games 10
Rated score 4.0
Rated percent 40.0
Rated Dp -72
Rated average opponent rating 1680.60
Rated performance 1609
Rated expected score (We) 6.09
Rated score difference (Score-We) -2.09
K-factor 30.0
Temporary rating change -62.7
Penalties 0.0
TOTAL RATING CHANGE -62.7
Count for rating OK
Total rated games with White and Black 0
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 24
Final position (single) 29
Final position (shared) 29

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/04/22 Mabusela, JM (Johannes) 2269 IM ½ 0.12 0.38 30.0 11.4 OK
2 2017/04/22 Jurgensen, GI (Graham) 2026 CM 0 0.38 -0.38 30.0 -11.4 OK
3 2017/04/22 Khumalo, KB (Keith) 1857 0 0.61 -0.61 30.0 -18.3 OK
4 2017/04/22 Tembo, E (Epah) 1670 0 0.82 -0.82 30.0 -24.6 OK
5 2017/04/22 Jonker, W (Waldo) 1866 1 0.60 0.40 30.0 12.0 OK
6 2017/04/22 Frick, D (Denise) 1780 WIM 0 0.71 -0.71 30.0 -21.3 OK
7 2017/04/22 Swartz, D (David) 1543* 0 0.92 -0.92 30.0 -27.6 OK
8 2017/04/23 Peretz, L (Leon) 1746 1 0.75 0.25 30.0 7.5 OK
9 2017/04/23 Ateka, N (Nathan) 2123 ½ 0.26 0.24 30.0 7.2 OK
10 2017/04/23 Sadie, JJH (Johan) 1543* 1 0.92 0.08 30.0 2.4 OK