CHESS SA Ratings Database

Player tournament rating analysis

Player

Marais, N (Nina)

[202020794] from Sedibeng (GSV)
1646

Rating

Standard

-12.4

Rating change

K = 17.1

1411

Performance

 

Yes

Count for rating

OK

Full Analysis

Item Desctiption
Tournament Brakpan Open 2018 (A)
Grand Prix tournament
Tournament format Swiss
Rating type Standard
National/FIDE rated National
Host region Ekurhuleni (GE)
Tournament id 20180315
Tournament group id 20180312
Start 2018/02/24
End 2018/02/24
Rated 2018/02/25
Rating 1646
Rated games 5
Rated score 2.5
Rated percent 50.0
Rated Dp 0
Rated average opponent rating 1411.20
Rated performance 1411
Rated expected score (We) 3.23
Rated score difference (Score-We) -0.73
K-factor 17.1
Temporary rating change -12.5
Penalties 0.0
TOTAL RATING CHANGE -12.5
Count for rating OK
Total rated games with White and Black 5
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 9
Final position (single) 8
Final position (shared) 8

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2018/02/24 Mboyisa, N (Ndumiso) 1254* 1 0.92 0.08 17.1 1.4 OK
2 2018/02/24 Steyn, H (Hans) 1819 0 0.27 -0.27 17.1 -4.6 OK
3 2018/02/24 Vorster, T (Tyrone) 1254* 1 0.92 0.08 17.1 1.4 OK
4 2018/02/24 Mbedza, R (Richard) 1880 0 0.21 -0.21 17.1 -3.6 OK
5 2018/02/24 Maepane, MC (Matome) 1266 ½ 0.91 -0.41 17.1 -7.0 OK