Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Katryn Diederiks

2110150081
Overberg (WOS)

Tournament details

Tour Id	20260394
Group Id	20260394
Name	Overberg Schools High School Trials 2026
Section	U15 Girls
Rounds	6
Format	Swiss
Type	Rapid
Start	2026-02-21
End	2026-02-21
Submitted	2026-02-22
Rated	2026-02-23
Submit age weight	1
Host	Overberg (WOS)
Total time	30
Time weight	0.6
Official results	Official results

General

Games	5
Score	2
Percent	40
Dp	-85
Aor	1257.4
Perform	1172.4
Penalties	0
Wins	2
Draws	0
Losses	3
White	2
Black	3
White wins	1
Black wins	1
Default wins	1
Default losses	0
Byes	0
Half byes	0
Rank	33
Final Pos	18
Share Pos	12
Count for rating	Yes

Analysis (Main)

Rating	1084.2
K-factor	20
Score	2
Expected score	1.44
Score - Expected score	0.56
Rating +/-	6.7

Analysis (Type)

Rating	1105.3
K-factor	20
Score	2
Expected score	1.53
Score - Expected score	0.47
Rating +/-	9.4

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	2026-02-21	Fihla, L (Lethabo)	WOS		1341.6	1247.4	E	1	0	0	0	0	0	0	No (Default game)
2	2026-02-21	Rubusana, L (Lolothando)	WOS		1277.2	1308.8	B	0	0.23	-0.23	-2.8	0.22	-0.22	-4.4	Yes
3	2026-02-21	van de Rheede, F (Farownique)	WOS		1256.5	1313.3	W	1	0.34	0.66	7.9	0.3	0.7	14	Yes
4	2026-02-21	Fihla, L (Lethabo)	WOS		1341.6	1247.4	B	0	0.16	-0.16	-1.9	0.29	-0.29	-5.8	Yes
5	2026-02-21	Rock, M (Mieke)	WOS		1211.9	1250.2	W	0	0.39	-0.39	-4.7	0.37	-0.37	-7.4	Yes
6	2026-02-21	Williams, T (Tash-leigh)	WOS		1200	1200	B	1	0.32	0.68	8.2	0.35	0.65	13	Yes