Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Alessandria Jaffa

2140327716
Cape Town (WCT)

Tournament details

Tour Id	20252758
Group Id	20252755
Name	Western Cape Schools - Top Schools 2025
Section	U11 Girls
Rounds	6
Format	Team
Type	Standard
Start	2025-09-06
End	2025-09-07
Submitted	2025-09-10
Rated	2025-09-12
Submit age weight	1
Host	Overberg (WOS)
Total time	60
Time weight	0.83
Official results	Official results

General

Games	6
Score	0
Percent	0
Dp	-425
Aor	1277.7
Perform	852.7
Penalties	0
Wins	0
Draws	0
Losses	6
White	3
Black	3
White wins	0
Black wins	0
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	39
Final Pos	46
Share Pos	42
Count for rating	Yes

Analysis (Main)

Rating	1200
K-factor	20
Score	0
Expected score	2.46
Score - Expected score	-2.46
Rating +/-	-40.8

Analysis (Type)

Rating	1200
K-factor	20
Score	0
Expected score	2.56
Score - Expected score	-2.56
Rating +/-	-51.2

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	2025-09-06	Koopman, F (Farren)	WCU		1199.8	1200	W	0	0.54	-0.54	-9	0.54	-0.54	-10.8	Yes
2	2025-09-06	Tieties, N (Nicola)	WCU		1335.5	1217	B	0	0.3	-0.3	-5	0.44	-0.44	-8.8	Yes
3	2025-09-06	Wenana, Z (Zizo)	WCT		1265.9	1280.2	W	0	0.47	-0.47	-7.8	0.45	-0.45	-9	Yes
4	2025-09-06	Hodgson, N (Neva)	WEG		1318.4	1327	B	0	0.32	-0.32	-5.3	0.31	-0.31	-6.2	Yes
5	2025-09-07	Okonko, E (Eberechukwu)	WEG		1231.5	1244.1	W	0	0.51	-0.51	-8.5	0.49	-0.49	-9.8	Yes
6	2025-09-07	Scholtz, M (Miche)	WOS		1314.8	1308.9	B	0	0.32	-0.32	-5.3	0.33	-0.33	-6.6	Yes