Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Joshua Okonji

1110193388
Cape Town (WCT)

Tournament details

Tour Id	20260224
Group Id	20260215
Name	CT Metro District East Schools Chess Individuals Trials 2026
Section	U15 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	4
Percent	66.7
Dp	141.7
Aor	1341.7
Perform	1483.4
Penalties	0
Wins	4
Draws	0
Losses	2
White	4
Black	2
White wins	2
Black wins	2
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	11
Final Pos	9
Share Pos	7
Count for rating	Yes

Analysis (Main)

Rating	1341.2
K-factor	20
Score	4
Expected score	3.07
Score - Expected score	0.93
Rating +/-	10.8

Analysis (Type)

Rating	1331
K-factor	20
Score	4
Expected score	3.02
Score - Expected score	0.98
Rating +/-	13.7

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	Smit, I (Ian)	WCW		1153.1	1175.4	W	1	0.76	0.24	2.8	0.72	0.28	3.9	Yes
2	2026-02-07	Smit, A (Alexander)	WCT		1200	1200	B	1	0.62	0.38	4.4	0.61	0.39	5.5	Yes
3	2026-02-07	Adolf, F (Feraydo)	WCT		1634.1	1636.7	W	0	0.2	-0.2	-3.3	0.19	-0.19	-3.8	Yes
4	2026-02-08	Chamberlain, E (Eduan)	WCT		1176	1162.3	B	1	0.65	0.35	4.1	0.65	0.35	4.9	Yes
5	2026-02-08	Joby, J (Jerold)	WCT		1213.2	1202.6	W	1	0.69	0.31	3.6	0.69	0.31	4.3	Yes
6	2026-02-08	Guo, A (Aleks)	WCT		1673.7	1661.2	W	0	0.15	-0.15	-2.5	0.16	-0.16	-3.2	Yes