Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Oliver Waldhausen

1120327777
Johannesburg Metro (GJM)

Tournament details

Tour Id	20253214
Group Id	20253209
Name	SACSSA Nationals 2025
Section	U13 Boys
Rounds	6
Format	Swiss
Type	Rapid
Start	2025-10-18
End	2025-10-18
Submitted	2025-10-19
Rated	2025-10-20
Submit age weight	1
Host	Ekurhuleni (GE)
Total time	30
Time weight	0.6
Official results	Official results

General

Games	6
Score	4
Percent	66.7
Dp	141.7
Aor	1320.1
Perform	1461.7
Penalties	0
Wins	4
Draws	0
Losses	2
White	3
Black	3
White wins	2
Black wins	2
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	35
Final Pos	12
Share Pos	6
Count for rating	Yes

Analysis (Main)

Rating	1198.8
K-factor	20
Score	4
Expected score	2.15
Score - Expected score	1.85
Rating +/-	22.2

Analysis (Type)

Rating	1197.2
K-factor	20
Score	4
Expected score	2.69
Score - Expected score	1.31
Rating +/-	26.2

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	2025-10-18	Nemusombori, LN (Livhuwani Nathan)	GJM		1624.8	1264.8	W	0	0.05	-0.05	-0.6	0.46	-0.46	-9.2	Yes
2	2025-10-18	Lewies, L (Luan)	NBR		1237.2	1221.8	B	1	0.41	0.59	7.1	0.43	0.57	11.4	Yes
3	2025-10-18	Nhlapo, U (Unathi)	GE		1212.7	1220.5	B	0	0.44	-0.44	-5.3	0.43	-0.43	-8.6	Yes
4	2025-10-18	Mokoena, O (Onalerona)	GJM		1219.2	1220.8	W	1	0.52	0.48	5.8	0.51	0.49	9.8	Yes
5	2025-10-18	Sokido, E (Emmanuel)	GE		1200.7	1201.1	W	1	0.54	0.46	5.5	0.54	0.46	9.2	Yes
6	2025-10-18	Eapen, E (Ethan)	GJM		1426	1320.2	B	1	0.19	0.81	9.7	0.32	0.68	13.6	Yes