Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Alrik Zwiegers

1140330504
Cape Winelands (WCW)

Tournament details

Tour Id	20260285
Group Id	20260279
Name	CT Metro North Schools Chess Individual Trials 2026
Section	U13 Boys
Rounds	6
Format	Swiss
Type	Standard
Start	2026-02-07
End	2026-02-08
Submitted	2026-02-12
Rated	2026-02-17
Submit age weight	0.717
Host	Cape Town (WCT)
Total time	60
Time weight	0.83
Official results	Official results

General

Games	6
Score	2
Percent	33.3
Dp	-141.7
Aor	1194.6
Perform	1052.9
Penalties	0
Wins	2
Draws	0
Losses	4
White	3
Black	3
White wins	1
Black wins	1
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	37
Final Pos	60
Share Pos	58
Count for rating	Yes

Analysis (Main)

Rating	1203.4
K-factor	20
Score	2
Expected score	3.08
Score - Expected score	-1.08
Rating +/-	-17.9

Analysis (Type)

Rating	1200
K-factor	20
Score	2
Expected score	3.01
Score - Expected score	-1.01
Rating +/-	-20.2

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	2026-02-07	Shaik, Z (Zaid)	WCT		1200	1200	W	0	0.55	-0.55	-9.1	0.54	-0.54	-10.8	Yes
2	2026-02-07	Kore, M (Mutsawashe)	WCT		1179.5	1199.5	B	1	0.49	0.51	6.1	0.46	0.54	7.7	Yes
3	2026-02-07	Kandenga, P (Proud)	WCT		1200	1200	W	0	0.55	-0.55	-9.1	0.54	-0.54	-10.8	Yes
4	2026-02-08	Bastra, T (Thaaqib)	WCT		1188.1	1187.3	B	0	0.48	-0.48	-8	0.47	-0.47	-9.4	Yes
5	2026-02-08	Arendse, A (Amierudeen)	WCT		1200	1200	W	1	0.55	0.45	5.4	0.54	0.46	6.6	Yes
6	2026-02-08	Adams, K (Kyle)	WCT		1200	1200	B	0	0.46	-0.46	-7.6	0.46	-0.46	-9.2	Yes