Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Johan Van der Merwe

1190333596
ZF Mgcawu (NZF)

Tournament details

Tour Id	20261397
Group Id	20261397
Name	Keimoes Akademie 25 April 2026
Section	U8
Rounds	7
Format	Round-Robin
Type	Standard
Start	2026-04-25
End	2026-04-25
Submitted	2026-04-28
Rated	2026-04-28
Submit age weight	1
Host	ZF Mgcawu (NZF)
Total time	60
Time weight	0.83
Official results	Official results

General

Games	5
Score	2
Percent	40
Dp	-85
Aor	1214.7
Perform	1129.7
Penalties	0
Wins	2
Draws	0
Losses	3
White	2
Black	3
White wins	0
Black wins	2
Default wins	1
Default losses	0
Byes	0
Half byes	0
Rank	3
Final Pos	4
Share Pos	4
Count for rating	Yes

Analysis (Main)

Rating	1217.3
K-factor	36
Score	2
Expected score	2.47
Score - Expected score	-0.47
Rating +/-	-14.2

Analysis (Type)

Rating	1220.7
K-factor	36
Score	2
Expected score	2.47
Score - Expected score	-0.47
Rating +/-	-17

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	2026-04-25	Liebenberg, I (Isabel)	NZF		1200	1200	B	1	0.48	0.52	15.6	0.48	0.52	18.6	Yes
2	2026-04-25	Lindeque, L (Luke)	NZF		1219.9	1224.4	W	0	0.54	-0.54	-16.1	0.54	-0.54	-19.3	Yes
3	2026-04-25	Smith, G (Gianna)	NZF		1200	1200	B	1	0.48	0.52	15.6	0.48	0.52	18.6	Yes
4	2026-04-25				0	0	X	-1	0	0	0	0	0	0	No (Did not play)
5	2026-04-25	van Vuuren, J (Jubern)	NZF		1200	1200	W	0	0.56	-0.56	-16.8	0.57	-0.57	-20.4	Yes
6	2026-04-25	Oelofse, M (Maria)	NZF		1253.4	1265.8	B	0	0.42	-0.42	-12.4	0.41	-0.41	-14.6	Yes
7	2026-04-25	De Wee, S (Sinovuyo)	NZF		1200	1200	D	1	0	0	0	0	0	0	No (Default game)