CHESS South Africa
Login
CHESS SA Ratings Database
Player tournament rating analysis
Go!
Player
Van Der Westhuizen, D (Donald)
[101039600] from Tshwane (GTP)
1555
Rating
Standard
-3.5
Rating change
K = 25.0
1574
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
1555
Rated games
3
Rated score
1.0
Rated percent
40.0
Rated Dp
-72
Rated average opponent rating
1646.00
Rated performance
1574
Rated expected score (We)
1.14
Rated score difference (Score-We)
-0.14
K-factor
25.0
Temporary rating change
-3.5
Penalties
0.0
TOTAL RATING CHANGE
-3.5
Count for rating
OK
Total rated games with White and Black
0
Default wins
0
Default losses (possible penalties)
0
Byes
0
Tournament rank
34
Final position (single)
28
Final position (shared)
28
Opponents
Rnd
Date
Opponent
Rating
Title
Fed
Col
Res
We
SWe
K
Rpm
CFR
Reason
1
2017/09/10
Mnguni, JD (Jakob)
2160
0
0.02
-0.02
25.0
-0.5
OK
2
2017/09/10
Govender, Y (Yaduvir)
1163*
1
0.92
0.08
25.0
2.0
OK
3
2017/09/10
Levy, D (Darren)
1778U
0
0.22
-0.22
25.0
-5.5
Unrated opp excluded
4
2017/09/10
Maraba, M (Mahlatse)
1339U
1
0.78
0.22
25.0
5.5
Unrated opp excluded
5
2017/09/10
Tlale, T (Tshepang)
1797
WIM
0
0.20
-0.20
25.0
-5.0
OK