Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Altus Grobbelaar

1090107941
Cape Winelands (WCW)

Tournament details

Tour Id	20260131
Group Id	20260125
Name	Marie Delport Memorial 2026
Section	Open
Rounds	6
Format	Swiss
Type	Standard
Start	2026-01-31
End	2026-01-31
Submitted	2026-02-02
Rated	2026-02-06
Submit age weight	0.55
Host	Cape Winelands (WCW)
Total time	70
Time weight	0.87
Official results	Official results

General

Games	6
Score	2
Percent	33.3
Dp	-141.7
Aor	1349.1
Perform	1207.4
Penalties	0
Wins	2
Draws	0
Losses	4
White	3
Black	3
White wins	2
Black wins	0
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	25
Final Pos	34
Share Pos	33
Count for rating	Yes

Analysis (Main)

Rating	1259.5
K-factor	20
Score	2
Expected score	2.37
Score - Expected score	-0.37
Rating +/-	-6.4

Analysis (Type)

Rating	1261.7
K-factor	20
Score	2
Expected score	2.43
Score - Expected score	-0.43
Rating +/-	-8.6

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	2026-01-31	Jenkins, T (Tauriq)	WCT		1587	1570.2	B	0	0.08	-0.08	-1.4	0.1	-0.1	-2	Yes
2	2026-01-31	Otto, C (Christiaan)	WCW		1182.5	1200	W	1	0.63	0.37	3.5	0.61	0.39	4.3	Yes
3	2026-01-31	Robertson, J (Jonah)	WCW		1623.4	1587.7	W	0	0.12	-0.12	-2.1	0.16	-0.16	-3.2	Yes
4	2026-01-31	Roux, A (Adriaan)	WCW		1365.9	1358.3	B	0	0.33	-0.33	-5.7	0.35	-0.35	-7	Yes
5	2026-01-31	Pietersen, D (Dannwin)	WCW		1200	1200	W	1	0.61	0.39	3.7	0.61	0.39	4.3	Yes
6	2026-01-31	Isaacs, S (Samuel)	WCW		1135.9	1135.9	B	0	0.6	-0.6	-10.4	0.6	-0.6	-12	Yes