CHESS SA Ratings Database

Player tournament rating analysis

Player

Van Der Westhuizen, D (Donald)

[101039600] from Tshwane (GTP)
1610

Rating

Standard

+10.5

Rating change

K = 25.0

1658

Performance

 

Yes

Count for rating

OK

Full Analysis

Item Desctiption
Tournament 2017 Ethekwini Open (A)
Grand Prix tournament
Tournament format Swiss
Rating type Standard
National/FIDE rated National
Host region KwaZulu Natal (KZN)
Tournament id 20170599
Tournament group id 20170598
Start 2017/03/18
End 2017/03/21
Rated 2017/04/11
Rating 1610
Rated games 7
Rated score 4.0
Rated percent 57.1
Rated Dp 50
Rated average opponent rating 1607.57
Rated performance 1658
Rated expected score (We) 3.58
Rated score difference (Score-We) 0.42
K-factor 25.0
Temporary rating change 10.5
Penalties 0.0
TOTAL RATING CHANGE 10.5
Count for rating OK
Total rated games with White and Black 0
Default wins 0
Default losses (possible penalties) 0
Byes 0
Tournament rank 21
Final position (single) 12
Final position (shared) 9

Opponents

RndDateOpponentRatingTitleFedColResWeSWeKRpmCFRReason
1 2017/03/18 Klaver, C (Cornelis) 2043 NM 0 0.06 -0.06 25.0 -1.5 OK
2 2017/03/18 Leslie-Smith, L (Lance) 1318 0 0.85 -0.85 25.0 -21.3 OK
3 2017/03/19 Khanyile, WS (Wandumuzi) 1775 0 0.28 -0.28 25.0 -7.0 OK
4 2017/03/19 February, JN (Jesse) 1853 WIM 1 0.20 0.80 25.0 20.0 OK
5 2017/03/20 Pather, S (Sachen) 1435 1 0.73 0.27 25.0 6.8 OK
6 2017/03/20 Pather, C (Cayden) 1280 1 0.88 0.12 25.0 3.0 OK
7 2017/03/21 Govender, EJ (Eli-Jordan) 1549 1 0.58 0.42 25.0 10.5 OK