Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Johann Alexander Botha

1160160634
Cape Winelands (WCW)

Tournament details

Tour Id	20261694
Group Id	20261689
Name	2026 WCSC PS Individual Championship
Section	U11 Boys
Rounds	6
Format	Swiss
Type	Standard
Start	2026-05-16
End	2026-05-17
Submitted	2026-05-19
Rated	2026-05-21
Submit age weight	1
Host	Overberg (WOS)
Total time	60
Time weight	0.83
Official results	Official results

General

Games	6
Score	3
Percent	50
Dp	0
Aor	1445
Perform	1445
Penalties	0
Wins	3
Draws	0
Losses	3
White	3
Black	3
White wins	2
Black wins	1
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	48
Final Pos	37
Share Pos	35
Count for rating	Yes

Analysis (Main)

Rating	1389.7
K-factor	32
Score	3
Expected score	2.61
Score - Expected score	0.39
Rating +/-	10.3

Analysis (Type)

Rating	1415.5
K-factor	32
Score	3
Expected score	2.8
Score - Expected score	0.2
Rating +/-	6.2

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	2026-05-16	Koopman, L (Leandro)	WCU		1183.8	1204.4	B	1	0.7	0.3	8	0.7	0.3	9.5	Yes
2	2026-05-16	Badenhorst, R (Rouxan)	WOS		1644.2	1609.7	W	1	0.25	0.75	20	0.32	0.68	21.9	Yes
3	2026-05-16	Van Der Merwe, O (Oliver)	WEG		1660.2	1620.9	B	0	0.14	-0.14	-3.8	0.22	-0.22	-7	Yes
4	2026-05-16	Titus, M (Michael John)	WCU		1269.8	1269.4	W	1	0.68	0.32	8.5	0.71	0.29	9.2	Yes
5	2026-05-17	Opperman, C (Caden)	WEG		1567.7	1591.3	B	0	0.25	-0.25	-6.7	0.25	-0.25	-8.1	Yes
6	2026-05-17	Botha, J (Johan)	WEG		1344.5	1364.9	W	0	0.59	-0.59	-15.8	0.6	-0.6	-19.2	Yes