Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Vian Matthews

1090324994
Cape Town (WCT)

Tournament details

Tour Id	20260226
Group Id	20260215
Name	CT Metro District East Schools Chess Individuals Trials 2026
Section	U17 Boys
Rounds	6
Format	Swiss
Type	Standard
Start	2026-02-07
End	2026-02-08
Submitted	2026-02-11
Rated	2026-02-11
Submit age weight	0.7
Host	Cape Town (WCT)
Total time	60
Time weight	0.83
Official results	Official results

General

Games	6
Score	3.5
Percent	58.3
Dp	70.8
Aor	1273.7
Perform	1344.5
Penalties	0
Wins	3
Draws	1
Losses	2
White	4
Black	2
White wins	3
Black wins	0
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	26
Final Pos	15
Share Pos	14
Count for rating	Yes

Analysis (Main)

Rating	1209.8
K-factor	20
Score	3.5
Expected score	2.63
Score - Expected score	0.87
Rating +/-	10.1

Analysis (Type)

Rating	1213
K-factor	20
Score	3.5
Expected score	2.7
Score - Expected score	0.8
Rating +/-	11.2

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	Farrell, J (Jonty)	GSV		1448.7	1450.3	W	0	0.26	-0.26	-4.3	0.27	-0.27	-5.4	Yes
2	2026-02-07	Koen, D (Damian)	WCT		1200	1200	B	0	0.47	-0.47	-7.8	0.47	-0.47	-9.4	Yes
3	2026-02-07	De Koker, J (Josh)	WCT		1151.9	1145.2	W	1	0.61	0.39	4.5	0.62	0.38	5.3	Yes
4	2026-02-08	Stoffberg, D (Daniel)	WCT		1199.7	1192.3	B	0.5	0.47	0.03	0.3	0.48	0.02	0.3	Yes
5	2026-02-08	Otto, S (Steven)	WCT		1200.3	1199.5	W	1	0.55	0.45	5.2	0.56	0.44	6.2	Yes
6	2026-02-08	Kojoana, L (Lesedi)	WCT		1441.4	1419.3	W	1	0.27	0.73	8.5	0.3	0.7	9.8	Yes