Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Benjamin Wong

1170330831
Johannesburg Metro (GJM)

Tournament details

Tour Id	20260844
Group Id	20260844
Name	First Knight Riders Rapid Open Chess Tournament 2026
Section	U8+U10
Rounds	6
Format	Swiss
Type	Rapid
Start	2026-03-15
End	2026-03-15
Submitted	2026-03-17
Rated	2026-03-18
Submit age weight	1
Host	Johannesburg Metro (GJM)
Total time	17
Time weight	0.423
Official results	Official results

General

Games	6
Score	4.5
Percent	75
Dp	212.5
Aor	1197.6
Perform	1410.1
Penalties	0
Wins	4
Draws	1
Losses	1
White	3
Black	3
White wins	2
Black wins	2
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	1231.2
K-factor	36
Score	4.5
Expected score	3.23
Score - Expected score	1.27
Rating +/-	19.3

Analysis (Type)

Rating	1200
K-factor	40
Score	4.5
Expected score	3
Score - Expected score	1.5
Rating +/-	60

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	2026-03-15	Buthelezi, Z (Zuko)	GJM		1196.2	1200	W	0.5	0.58	-0.08	-1.3	0.54	-0.04	-1.7	Yes
2	2026-03-15	Zingeni, R (Rethabile)	GJM		1212.3	1200	B	1	0.48	0.52	7.9	0.46	0.54	21.7	Yes
3	2026-03-15	Retief, L (Luc)	GJM		1100.9	1200	W	1	0.69	0.31	4.7	0.54	0.46	18.3	Yes
4	2026-03-15	Maduna, A (Asonele)	GJM		1291.8	1200	B	0	0.39	-0.39	-5.9	0.46	-0.46	-18.3	Yes
5	2026-03-15	Murison, L (Lando)	GJM		1200	1200	B	1	0.49	0.51	7.7	0.46	0.54	21.7	Yes
6	1900-01-01	Mkhasibe, N (Njabulo)	GJM		1184.8	1200	W	1	0.6	0.4	6.2	0.54	0.46	18.3	Yes