Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Joa De Villiers

1130314149
Cape Winelands (WCW)

Tournament details

Tour Id	20261775
Group Id	20261771
Name	Cape Winelands Schools - Development Trials 2026
Section	U13 Boys
Rounds	6
Format	Swiss
Type	Rapid
Start	2026-05-23
End	2026-05-23
Submitted	2026-05-25
Rated	2026-05-25
Submit age weight	1
Host	Cape Winelands (WCW)
Total time	25
Time weight	0.543
Official results	Official results

General

Games	6
Score	6
Percent	100
Dp	425
Aor	1222.7
Perform	1647.7
Penalties	0
Wins	6
Draws	0
Losses	0
White	3
Black	3
White wins	3
Black wins	3
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	3
Final Pos	1
Share Pos	1
Count for rating	Yes

Analysis (Main)

Rating	1267.3
K-factor	36
Score	6
Expected score	3.31
Score - Expected score	2.69
Rating +/-	52.6

Analysis (Type)

Rating	1224.6
K-factor	36
Score	6
Expected score	2.88
Score - Expected score	3.12
Rating +/-	112.5

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	2026-05-23	Maasdorp, A (Avichen)	WCW		1165.5	1143.5	W	1	0.66	0.34	6.6	0.64	0.36	13.1	Yes
2	2026-05-23	Isaacs, Q (Quinton)	WCW		1172.2	1143.5	B	1	0.57	0.43	8.4	0.55	0.45	16.1	Yes
3	2026-05-23	Andrews, J (Jerahn)	WCW		1294.3	1296.8	W	1	0.51	0.49	9.6	0.46	0.54	19.5	Yes
4	2026-05-23	Majiedt, J (Johayne)	WCW		1214.4	1221.7	B	1	0.52	0.48	9.4	0.46	0.54	19.4	Yes
5	2026-05-23	Koopman, R (Ruaan)	WCW		1302.5	1355.2	B	1	0.42	0.58	11.4	0.31	0.69	25	Yes
6	2026-05-23	Goso, I (Izwi)	WCW		1187.4	1293.1	W	1	0.63	0.37	7.1	0.46	0.54	19.4	Yes