Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Willem Serdyn

1130161521
Cape Winelands (WCW)

Tournament details

Tour Id	20231843
Group Id	20231842
Name	Stellenbosch Primary Chess Tournament 2023
Section	U12
Rounds	6
Format	Swiss
Type	Rapid
Start	2023-08-19
End	2023-08-19
Submitted	2023-08-30
Rated	2023-08-30
Submit age weight	1
Host	Cape Winelands (WCW)
Total time	30
Time weight	0.604
Official results	Official results

General

Games	6
Score	2.5
Percent	41.7
Dp	-70.8
Aor	1211
Perform	1140.1
Penalties	0
Wins	2
Draws	1
Losses	3
White	3
Black	3
White wins	2
Black wins	0
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	20
Final Pos	0
Share Pos	0
Count for rating	Yes

Analysis (Main)

Rating	1200
K-factor	20
Score	2.5
Expected score	2.92
Score - Expected score	-0.42
Rating +/-	-5.1

Analysis (Type)

Rating	1200
K-factor	20
Score	2.5
Expected score	2.98
Score - Expected score	-0.48
Rating +/-	-9.6

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	2023-08-19	Els, J (Josua)	WCW		1229.5	1291.5	B	0	0.42	-0.42	-5	0.35	-0.35	-7	Yes
2	2023-08-19	Rossouw, A (Anja)	WCW		1118.1	1082.8	W	1	0.64	0.36	4.3	0.68	0.32	6.4	Yes
3	2023-08-19	Calvert, C (Caylim)	WCW		1179.5	1168.7	B	0.5	0.48	0.02	0.2	0.49	0.01	0.2	Yes
4	2023-08-19	Nkosinathi, L (Lukhele)	MGS		1200	1200	W	1	0.54	0.46	5.5	0.54	0.46	9.2	Yes
5	2023-08-19	Kuypers, P (Parker)	WCW		1338.4	1273.4	W	0	0.38	-0.38	-4.6	0.46	-0.46	-9.2	Yes
6	2023-08-19	Schoeman, A (Alexander)	WCW		1200.2	1196.8	B	0	0.46	-0.46	-5.5	0.46	-0.46	-9.2	Yes