Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Claude Leon Van Heerden

169039893
Nelson Mandela Bay (ENM)

Tournament details

Tour Id	20253104
Group Id	20253102
Name	2025 Mossel Bay Open
Section	Rapid A
Rounds	7
Format	Swiss
Type	Rapid
Start	2025-10-04
End	2025-10-04
Submitted	2025-10-09
Rated	2025-10-10
Submit age weight	1
Host	Eden (WEG)
Total time	20
Time weight	0.47
Official results	Official results

General

Games	4
Score	1.5
Percent	37.5
Dp	-106.3
Aor	1573.8
Perform	1467.5
Penalties	0
Wins	1
Draws	1
Losses	2
White	2
Black	2
White wins	0
Black wins	1
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	6
Final Pos	18
Share Pos	18
Count for rating	Yes

Analysis (Main)

Rating	1658.2
K-factor	20
Score	1.5
Expected score	2.4
Score - Expected score	-0.9
Rating +/-	-8.5

Analysis (Type)

Rating	1677.2
K-factor	20
Score	1.5
Expected score	3.2
Score - Expected score	-1.7
Rating +/-	-34

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	2025-10-04	Swart, S (Sune)	WEG		1567.9	1322.4	W	0	0.65	-0.65	-6.1	0.95	-0.95	-19	Yes
2	2025-10-04	Plaatjies, A (Ayren)	WEG		1357.2	1198.8	B	1	0.81	0.19	1.8	0.99	0.01	0.2	Yes
3	2025-10-04	Swart, G (George)	WEG		1796.3	1620.4	W	0.5	0.38	0.12	1.1	0.61	-0.11	-2.2	Yes
4	2025-10-04	Brink, M (Martin)	WOS		1573.8	1515.1	B	0	0.56	-0.56	-5.3	0.65	-0.65	-13	Yes
5	2025-10-04				0	0	X	-1	0	0	0	0	0	0	No (Did not participate)
6	2025-10-04				0	0	X	-1	0	0	0	0	0	0	No (Did not participate)
7	2025-10-04				0	0	X	-1	0	0	0	0	0	0	No (Did not participate)