CHESS SA Ratings Database

Player tournament rating analysis

Player

Van Der Westhuizen, D (Donald)

[101039600] from Tshwane (GTP)
1590

Rating

Standard

-6.0

Rating change

K = 25.0

1597

Performance

 

Yes

Count for rating

OK

Full Analysis

Item Desctiption
Tournament 2017 Alekhine (A)
Grand Prix tournament
Tournament format Swiss
Rating type Standard
National/FIDE rated National
Host region Tshwane (GTP)
Tournament id 20171466
Tournament group id 20171461
Start 2017/08/04
End 2017/08/05
Rated 2017/08/06
Rating 1590
Rated games 5
Rated score 2.0
Rated percent 40.0
Rated Dp -72
Rated average opponent rating 1669.40
Rated performance 1597
Rated expected score (We) 2.24
Rated score difference (Score-We) -0.24
K-factor 25.0
Temporary rating change -6.0
Penalties 0.0
TOTAL RATING CHANGE -6.0
Count for rating OK
Total rated games with White and Black 0
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 19
Final position (single) 21
Final position (shared) 18

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/08/04 Mnguni, JD (Jakob) 2145 0 0.03 -0.03 25.0 -0.8 OK
2 2017/08/04 Booysen, E (Elda) 1411 WCM 1 0.73 0.27 25.0 6.8 OK
3 2017/08/05 Mazibuko, K (Khanya) 1827 CM 0 0.20 -0.20 25.0 -5.0 OK
4 2017/08/05 Cruywagen, A (Armand) 1393 1 0.75 0.25 25.0 6.3 OK
5 2017/08/05 Schoeman, E (Ewald) 1571 CM 0 0.53 -0.53 25.0 -13.3 OK