Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Zachary Booysen

1130328822
Cape Town (WCT)

Tournament details

Tour Id	20253090
Group Id	20253088
Name	Mitchells Plain Schools Rapid Chess 2025
Section	U13
Rounds	7
Format	Swiss
Type	Rapid
Start	2025-10-07
End	2025-10-07
Submitted	2025-10-08
Rated	2025-10-08
Submit age weight	1
Host	Cape Town (WCT)
Total time	20
Time weight	0.47
Official results	Official results

General

Games	7
Score	4.5
Percent	64.3
Dp	121.4
Aor	1202.2
Perform	1323.6
Penalties	0
Wins	4
Draws	1
Losses	2
White	3
Black	4
White wins	2
Black wins	2
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	31
Final Pos	8
Share Pos	6
Count for rating	Yes

Analysis (Main)

Rating	1200
K-factor	20
Score	4.5
Expected score	3.44
Score - Expected score	1.06
Rating +/-	10

Analysis (Type)

Rating	1200
K-factor	20
Score	4.5
Expected score	3.46
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	2025-10-07	Wickstrom, A (Aiden)	WCT		1200	1200	W	1	0.54	0.46	4.3	0.54	0.46	9.2	Yes
2	2025-10-07	Nelson, A (Alexia)	WCT		1200	1200	B	1	0.46	0.54	5.1	0.46	0.54	10.8	Yes
3	2025-10-07	Goff, T (Tee-Ago)	WCT		1200	1200	W	0	0.54	-0.54	-5.1	0.54	-0.54	-10.8	Yes
4	2025-10-07	Jack, M (Mahdi)	WCT		1200	1200	B	0	0.46	-0.46	-4.3	0.46	-0.46	-9.2	Yes
5	2025-10-07	Van Rooyen, T (Tavelin)	WCT		1200	1200	W	1	0.54	0.46	4.3	0.54	0.46	9.2	Yes
6	2025-10-07	Salies, T (Tyler)	WCT		1200	1200	B	1	0.46	0.54	5.1	0.46	0.54	10.8	Yes
7	2025-10-07	Swartz, Z (Zaida)	WCT		1215.5	1200	B	0.5	0.44	0.06	0.6	0.46	0.04	0.8	Yes