CHESS SA Ratings Database

Player tournament rating analysis

Player

Modi, S (Sonia)

[203023610] from Johannesburg Metro (GJM)
1570

Rating

Standard

-15.3

Rating change

K = 25.0

1548

Performance

 

Yes

Count for rating

OK

Full Analysis

Item Desctiption
Tournament JCC Wits 2017 (A)
Grand Prix tournament
Tournament format Swiss
Rating type Standard
National/FIDE rated National
Host region Johannesburg Metro (GJM)
Tournament id 20171869
Tournament group id 20171866
Start 2017/09/10
End 2017/09/10
Rated 2017/09/14
Rating 1570
Rated games 3
Rated score 1.0
Rated percent 33.3
Rated Dp -125
Rated average opponent rating 1673.33
Rated performance 1548
Rated expected score (We) 1.61
Rated score difference (Score-We) -0.61
K-factor 25.0
Temporary rating change -15.3
Penalties 0.0
TOTAL RATING CHANGE -15.3
Count for rating OK
Total rated games with White and Black 0
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 31
Final position (single) 51
Final position (shared) 46

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/09/10 Jere, D (Daniel) 2306* 0 0.00 0.00 25.0 0.0 OK
2 2017/09/10 Wedzerai, N (Nomatter) 1238 0 0.88 -0.88 25.0 -22.0 OK
3 2017/09/10 Phoka, T (Thabiso) 1399 1 0.73 0.27 25.0 6.8 OK
4 2017/09/10 Not paired 0.00 0.00 25.0 0.0 Did not play
5 2017/09/10 Not paired 0.00 0.00 25.0 0.0 Did not play