Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Olenka Shai Nelson

2070096496
Cape Town (WCT)

Tournament details

Tour Id	20252343
Group Id	20252266
Name	CT Metro District East Top Schools Chess 2025
Section	U15-U19 Girls
Rounds	6
Format	Round-Robin
Type	Standard
Start	2025-08-02
End	2025-08-03
Submitted	2025-08-06
Rated	2025-08-10
Submit age weight	1
Host	Cape Town (WCT)
Total time	60
Time weight	0.83
Official results	Official results

General

Games	6
Score	4.5
Percent	75
Dp	212.5
Aor	1208.2
Perform	1420.7
Penalties	0
Wins	4
Draws	1
Losses	1
White	3
Black	3
White wins	2
Black wins	2
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	2
Final Pos	8
Share Pos	3
Count for rating	Yes

Analysis (Main)

Rating	1330.9
K-factor	20
Score	4.5
Expected score	3.86
Score - Expected score	0.64
Rating +/-	10.6

Analysis (Type)

Rating	1237.5
K-factor	20
Score	4.5
Expected score	3.17
Score - Expected score	1.33
Rating +/-	26.6

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	2025-08-02	Fortuin, S (Sharonique)	WCT		1199.5	1199.4	W	1	0.69	0.31	5.1	0.59	0.41	8.2	Yes
2	2025-08-02	Fortuin, S (Sharonique)	WCT		1199.5	1199.4	B	1	0.61	0.39	6.5	0.5	0.5	10	Yes
3	2025-08-02	Menqe, S (Sinesipho)	WCT		1200	1200	W	1	0.69	0.31	5.1	0.59	0.41	8.2	Yes
4	2025-08-03	Menqe, S (Sinesipho)	WCT		1200	1200	B	1	0.61	0.39	6.5	0.5	0.5	10	Yes
5	2025-08-03	Mutumbi, M (Melisa)	WCT		1225.2	1239.2	B	0.5	0.58	-0.08	-1.3	0.46	0.04	0.8	Yes
6	2025-08-03	Mutumbi, M (Melisa)	WCT		1225.2	1239.2	W	0	0.66	-0.66	-11	0.54	-0.54	-10.8	Yes