Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Christiaan Muller

192026462
Johannesburg Metro (GJM)

Tournament details

Tour Id	20260397
Group Id	20260394
Name	Overberg Schools High School Trials 2026
Section	U17 Boys
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	6
Score	4.5
Percent	75
Dp	212.5
Aor	1280.2
Perform	1492.7
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	9
Final Pos	7
Share Pos	7
Count for rating	Yes

Analysis (Main)

Rating	1300
K-factor	20
Score	4.5
Expected score	3.14
Score - Expected score	1.36
Rating +/-	16.3

Analysis (Type)

Rating	1300
K-factor	20
Score	4.5
Expected score	3.33
Score - Expected score	1.17
Rating +/-	23.4

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	Betha, C (Camiron)	WOS		1167.3	1200	W	1	0.7	0.3	3.6	0.66	0.34	6.8	Yes
2	2026-02-21	De Vos, K (Kyle)	WOS		1182.4	1177.6	B	0.5	0.6	-0.1	-1.2	0.6	-0.1	-2	Yes
3	2026-02-21	Lotter, M (Michael)	WOS		1390.5	1324	W	1	0.44	0.56	6.7	0.51	0.49	9.8	Yes
4	2026-02-21	Nel, D (Daniel)	WOS		1348.9	1282.2	W	0	0.48	-0.48	-5.8	0.56	-0.56	-11.2	Yes
5	2026-02-21	Du Plessis, MA (Matthys Armand)	WOS		1288.3	1207.9	B	1	0.47	0.53	6.4	0.57	0.43	8.6	Yes
6	2026-02-21	Matinywa, T (Thobani)	WOS		1303.7	1328.5	B	1	0.45	0.55	6.6	0.43	0.57	11.4	Yes