Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Riaan Muller

1160324214
Ekurhuleni (GE)

Tournament details

Tour Id	20252228
Group Id	20252227
Name	Benoni Primary School Cluster Teams 2025
Section	U9A
Rounds	7
Format	Team
Type	Rapid
Start	2025-08-02
End	2025-08-02
Submitted	2025-08-03
Rated	2025-08-05
Submit age weight	1
Host	Ekurhuleni (GE)
Total time	30
Time weight	0.604
Official results	Official results

General

Games	3
Score	0.5
Percent	16.7
Dp	-283.3
Aor	1208.3
Perform	925
Penalties	0
Wins	0
Draws	1
Losses	2
White	2
Black	1
White wins	0
Black wins	0
Default wins	1
Default losses	0
Byes	0
Half byes	0
Rank	35
Final Pos	27
Share Pos	43
Count for rating	Yes

Analysis (Main)

Rating	1200
K-factor	20
Score	0.5
Expected score	1.51
Score - Expected score	-1.01
Rating +/-	-12.2

Analysis (Type)

Rating	1200
K-factor	20
Score	0.5
Expected score	1.54
Score - Expected score	-1.04
Rating +/-	-20.8

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	O Bryan, J (Jordan)	GE		1203	1200.8	B	0	0.45	-0.45	-5.4	0.46	-0.46	-9.2	Yes
2	2025-08-02	Oliphant, G (Gazelihle)	GE		1199.8	1200	W	0.5	0.54	-0.04	-0.5	0.54	-0.04	-0.8	Yes
3	2025-08-02	Sana, N (Nkanyezi)	GE		1222.3	1200	W	0	0.52	-0.52	-6.2	0.54	-0.54	-10.8	Yes
4	2025-08-02	Jenkins, M (Madison)	GE		1200	1200	D	1	0	0	0	0	0	0	No (Default game)
5	2025-08-02				0	0	X	-1	0	0	0	0	0	0	No (Did not play)
6	2025-08-02				0	0	X	-1	0	0	0	0	0	0	No (Did not play)
7	2025-08-02				0	0	X	-1	0	0	0	0	0	0	No (Did not play)