Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Naven Jacobs

1130331819
Cape Town (WCT)

Tournament details

Tour Id	20260285
Group Id	20260279
Name	CT Metro North Schools Chess Individual Trials 2026
Section	U13 Boys
Rounds	6
Format	Swiss
Type	Standard
Start	2026-02-07
End	2026-02-08
Submitted	2026-02-12
Rated	2026-02-17
Submit age weight	0.717
Host	Cape Town (WCT)
Total time	60
Time weight	0.83
Official results	Official results

General

Games	6
Score	2.5
Percent	41.7
Dp	-70.8
Aor	1213.5
Perform	1142.7
Penalties	0
Wins	2
Draws	1
Losses	3
White	4
Black	2
White wins	2
Black wins	0
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	55
Final Pos	51
Share Pos	50
Count for rating	Yes

Analysis (Main)

Rating	1200
K-factor	20
Score	2.5
Expected score	2.98
Score - Expected score	-0.48
Rating +/-	-8

Analysis (Type)

Rating	1200
K-factor	20
Score	2.5
Expected score	3.1
Score - Expected score	-0.6
Rating +/-	-12

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	Phakathi, I (Inam)	WCT		1236.2	1200	W	0	0.5	-0.5	-8.3	0.54	-0.54	-10.8	Yes
2	2026-02-07	Du Toit, B (Blake)	WCW		1197.6	1198.8	W	1	0.54	0.46	5.5	0.54	0.46	6.6	Yes
3	2026-02-07	Burricks, R (Redaw)	WCT		1204.3	1199.4	B	0.5	0.45	0.05	0.6	0.46	0.04	0.6	Yes
4	2026-02-08	Naidoo, B (Benjamin Ryan)	WCT		1219	1199.8	B	0	0.44	-0.44	-7.3	0.46	-0.46	-9.2	Yes
5	2026-02-08	Cloete, A (Alden)	WCT		1199.6	1199.5	W	1	0.54	0.46	5.5	0.54	0.46	6.6	Yes
6	2026-02-08	Fourie, A (Albert)	WCT		1224.3	1180.7	W	0	0.51	-0.51	-8.5	0.56	-0.56	-11.2	Yes