Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Jonathan Gibson

1140331634
Cape Town (WCT)

Tournament details

Tour Id	20260222
Group Id	20260215
Name	CT Metro District East Schools Chess Individuals Trials 2026
Section	U13 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	2
Percent	33.3
Dp	-141.7
Aor	1215.3
Perform	1073.6
Penalties	0
Wins	2
Draws	0
Losses	4
White	3
Black	3
White wins	0
Black wins	2
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	58
Final Pos	65
Share Pos	61
Count for rating	Yes

Analysis (Main)

Rating	1200
K-factor	20
Score	2
Expected score	2.9
Score - Expected score	-0.9
Rating +/-	-14.9

Analysis (Type)

Rating	1200
K-factor	20
Score	2
Expected score	2.94
Score - Expected score	-0.94
Rating +/-	-18.8

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	Williams, Z (Zevastian)	WCT		1216	1214.3	B	1	0.44	0.56	6.5	0.44	0.56	7.8	Yes
2	2026-02-07	Hendricks, J (James)	WCT		1279.2	1271.9	W	0	0.45	-0.45	-7.5	0.46	-0.46	-9.2	Yes
3	2026-02-07	Human, P (Philip)	WCT		1210.7	1200	B	0	0.45	-0.45	-7.5	0.46	-0.46	-9.2	Yes
4	2026-02-08	Porter, D (Daniel)	WCT		1201.2	1185.2	W	0	0.54	-0.54	-9	0.56	-0.56	-11.2	Yes
5	2026-02-08	Mnyama, A (Ahlangene)	WCT		1183	1178.8	B	1	0.48	0.52	6	0.48	0.52	7.3	Yes
6	2026-02-08	Edwards, I (Isaiah)	WCT		1201.6	1197.7	W	0	0.54	-0.54	-9	0.54	-0.54	-10.8	Yes