Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Stefan van der Merwe

1120316252
Cape Winelands (WCW)

Tournament details

Tour Id	20260833
Group Id	20260830
Name	Cape Winelands Open Rapid 2026
Section	Intermediate
Rounds	6
Format	Swiss
Type	Rapid
Start	2026-03-14
End	2026-03-14
Submitted	2026-03-16
Rated	2026-03-16
Submit age weight	1
Host	Cape Winelands (WCW)
Total time	20
Time weight	0.472
Official results	Official results

General

Games	6
Score	5
Percent	83.3
Dp	283.3
Aor	1248.5
Perform	1531.8
Penalties	0
Wins	5
Draws	0
Losses	1
White	3
Black	3
White wins	2
Black wins	3
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	4
Final Pos	4
Share Pos	2
Count for rating	Yes

Analysis (Main)

Rating	1348.5
K-factor	36
Score	5
Expected score	3.7
Score - Expected score	1.3
Rating +/-	22.1

Analysis (Type)

Rating	1260.7
K-factor	36
Score	5
Expected score	3.26
Score - Expected score	1.74
Rating +/-	62.5

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	2026-03-14	Fourie, O (Ockert)	WCT		1211.2	1176.9	B	1	0.62	0.38	6.5	0.56	0.44	16	Yes
2	2026-03-14	Grobbelaar, A (Altus)	WCW		1253.9	1240.1	W	0	0.65	-0.65	-11.1	0.57	-0.57	-20.4	Yes
3	2026-03-14	Pietersen, D (Danville)	WOS		1209.6	1200	B	1	0.62	0.38	6.5	0.53	0.47	17	Yes
4	2026-03-14	Conradie, A (Andre)	WCW		1227.9	1198	W	1	0.68	0.32	5.4	0.61	0.39	13.9	Yes
5	2026-03-14	Botma, I (Inke)	WCW		1279.3	1198.7	B	1	0.54	0.46	7.8	0.53	0.47	16.9	Yes
6	2026-03-14	Woolf, J (Jessika)	WCT		1309.2	1323.7	W	1	0.59	0.41	7	0.47	0.53	19.1	Yes