Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Alexander Vollgraaff

1170153150
West Coast (WCU)

Tournament details

Tour Id	20260790
Group Id	20260788
Name	West Coast Schools Prestige Individuals Championships 2026
Section	U9 Boys
Rounds	6
Format	Swiss
Type	Standard
Start	2026-02-28
End	2026-03-07
Submitted	2026-03-13
Rated	2026-03-15
Submit age weight	1
Host	West Coast (WCU)
Total time	60
Time weight	0.83
Official results	Official results

General

Games	6
Score	5
Percent	83.3
Dp	283.3
Aor	1257.7
Perform	1541
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	2
Final Pos	2
Share Pos	2
Count for rating	Yes

Analysis (Main)

Rating	1358.7
K-factor	36
Score	5
Expected score	3.71
Score - Expected score	1.29
Rating +/-	38.7

Analysis (Type)

Rating	1291.8
K-factor	36
Score	5
Expected score	3.55
Score - Expected score	1.45
Rating +/-	52.2

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	2026-02-28	Nieuwoudt, C (Callum)	WCU		1212.7	1200	B	1	0.63	0.37	11.1	0.57	0.43	15.7	Yes
2	2026-02-28	Filander, B (Brooklyn)	WCU		1208.6	1178.6	W	1	0.72	0.28	8.5	0.67	0.33	11.8	Yes
3	2026-02-28	Erasmus, M (Migal)	WCU		1248.9	1254.8	B	1	0.59	0.41	12.4	0.5	0.5	18	Yes
4	2026-03-07	Niemand, J (Jano)	WCU		1425.9	1245	W	0	0.46	-0.46	-13.8	0.6	-0.6	-21.5	Yes
5	2026-03-07	Spies, C (Christof)	WCU		1237	1200	B	1	0.6	0.4	12	0.57	0.43	15.7	Yes
6	2026-03-07	Van Der Merwe, J (Johan)	WCU		1213	1200	W	1	0.71	0.29	8.6	0.65	0.35	12.6	Yes