Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Donald Van Der Westhuizen

101039600
Tshwane (GTP)

Tournament details

Tour Id	20170879
Group Id	20170876
Name	2017 Arnold Classic
Section	U16-U18
Rounds	6
Format	Swiss
Type	Standard
Start	2017-05-05
End	2017-05-07
Submitted	2017-05-07
Rated	2017-05-16
Submit age weight	1
Host	Tshwane (GTP)
Total time	90
Time weight	0.938
Official results	Official results

General

Games	6
Score	4.5
Percent	75
Dp	193
Aor	1310.7
Perform	1504
Penalties	0
Wins	4
Draws	1
Losses	1
White	0
Black	0
White wins	0
Black wins	0
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	2
Final Pos	1
Share Pos	1
Count for rating	Yes

Analysis (Main)

Rating	1600
K-factor	20
Score	4.5
Expected score	3.62
Score - Expected score	0.88
Rating +/-	16.5

Analysis (Type)

Rating	1600
K-factor	20
Score	4.5
Expected score	3.62
Score - Expected score	0.88
Rating +/-	17.6

Opponents

Round	Date	Opponent	Fed	Title	Main	Type	Col	Res	Main			Type			Cfr
Round	Date	Opponent	Fed	Title	Main	Type	Col	Res	We	Swe	+/-	We	Swe	+/-	Cfr
1	2017-05-05	Botha, M (Matthew)	GJM		1211	1211	B	0.5	0.91	-0.41	-7.7	-0.41	0.91	18.2	Yes
2	2017-05-06	Marais, Dp (Daniel)	GTP		1774	1774	W	0	0.27	-0.27	-5.1	-0.27	0.27	5.4	Yes
3	2017-05-06	Van Heerden-Weich, R (Rook (Mia))	GTP		1208	1208	B	1	0.92	0.08	1.5	0.08	0.92	18.4	No (Unrated opp excluded)
4	2017-05-06	Naicker, S (Sheldon)	GJM		1208	1208	W	1	0.92	0.08	1.5	0.08	0.92	18.4	Yes
5	2017-05-07	Naidoo, R (Rayna)	GJM		1225	1225	B	1	0.91	0.09	1.7	0.09	0.91	18.2	Yes
6	2017-05-07	Engelbrecht, H (Hanri)	GTP	WFM	1517	1517	W	1	0.61	0.39	7.3	0.39	0.61	12.2	Yes