Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Khian Marthinus

1190333259
Overberg (WOS)

Tournament details

Tour Id	20260554
Group Id	20260548
Name	Overberg Schools Primary School Trials (Region 1) 2026
Section	U7 Mixed
Rounds	6
Format	Swiss
Type	Rapid
Start	2026-02-28
End	2026-02-28
Submitted	2026-02-28
Rated	2026-03-01
Submit age weight	1
Host	Overberg
Total time	30
Time weight	0.604
Official results	Official results

General

Games	6
Score	2.5
Percent	41.7
Dp	-70.8
Aor	1194.3
Perform	1123.5
Penalties	0
Wins	2
Draws	1
Losses	3
White	3
Black	3
White wins	1
Black wins	1
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	11
Final Pos	15
Share Pos	13
Count for rating	Yes

Analysis (Main)

Rating	1200
K-factor	40
Score	2.5
Expected score	3.04
Score - Expected score	-0.54
Rating +/-	-13

Analysis (Type)

Rating	1200
K-factor	40
Score	2.5
Expected score	3.07
Score - Expected score	-0.57
Rating +/-	-22.9

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	2026-02-28	Lourens, L (Liela)	WOS		1198	1196.5	W	0.5	0.54	-0.04	-1.1	0.55	-0.05	-1.8	Yes
2	2026-02-28	Grobbelaar, A (Alissa)	WOS		1168	1142.1	B	0	0.5	-0.5	-12	0.53	-0.53	-21	Yes
3	2026-02-28	Smit, O (Olivia Rose)	WOS		1200	1200	W	0	0.54	-0.54	-13.1	0.54	-0.54	-21.7	Yes
4	2026-02-28	Van Dyk, M (Micah)	WOS		1200	1200	W	1	0.54	0.46	11.1	0.54	0.46	18.3	Yes
5	2026-02-28	Thies, A (Alexi)	WOS		1200	1200	B	0	0.46	-0.46	-11.1	0.46	-0.46	-18.3	Yes
6	2026-02-28	Willemse, R (Rowan)	WOS		1200	1200	B	1	0.46	0.54	13.1	0.46	0.54	21.7	Yes