Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Zian De Koker

1120138748
Cape Town (WCT)

Tournament details

Tour Id	20220591
Group Id	20220588
Name	Metro WP Schools Chess Trials 2022
Section	U11 Boys
Rounds	6
Format	Swiss
Type	Standard
Start	2022-04-22
End	2022-04-23
Submitted	2022-04-26
Rated	2022-04-26
Submit age weight	1
Host	Cape Town (WCT)
Total time	60
Time weight	0.83
Official results	Official results

General

Games	6
Score	2
Percent	33.3
Dp	-141.7
Aor	1251.2
Perform	1109.5
Penalties	0
Wins	2
Draws	0
Losses	4
White	3
Black	3
White wins	2
Black wins	0
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	23
Final Pos	29
Share Pos	27
Count for rating	Yes

Analysis (Main)

Rating	1230.5
K-factor	20
Score	2
Expected score	2.86
Score - Expected score	-0.86
Rating +/-	-14.3

Analysis (Type)

Rating	1200
K-factor	20
Score	2
Expected score	2.9
Score - Expected score	-0.9
Rating +/-	-18

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	2022-04-22	Weideman, J (Janko)	WCT		1379.6	1328	B	0	0.28	-0.28	-4.6	0.31	-0.31	-6.2	Yes
2	2022-04-22	Schutte, D (Daniel)	WCW		1201.2	1146.9	W	0	0.58	-0.58	-9.6	0.6	-0.6	-12	Yes
3	2022-04-23	Lee, S (Shakoor)	WCT		1175.8	1146.3	B	0	0.52	-0.52	-8.6	0.52	-0.52	-10.4	Yes
4	2022-04-23	Mafilika, O (Onikayo)	WCT		1247.4	1200	W	1	0.52	0.48	8	0.54	0.46	9.2	Yes
5	2022-04-23	Solomons, C (Christanzo)	WCT		1198.3	1200	W	1	0.58	0.42	7	0.54	0.46	9.2	Yes
6	2022-04-23	Muller, H (Helgard)	WCT		1304.9	1263.1	B	0	0.37	-0.37	-6.1	0.38	-0.38	-7.6	Yes