Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Mathys Johannes Carstens

1100314871
Overberg (WOS)

Tournament details

Tour Id	20260151
Group Id	20260146
Name	Overberg Schools Open Championship 2026
Section	U17
Rounds	6
Format	Swiss
Type	Rapid
Start	2026-01-31
End	2026-01-31
Submitted	2026-02-01
Rated	2026-02-06
Submit age weight	0.533
Host	Overberg (WOS)
Total time	30
Time weight	0.6
Official results	Official results

General

Games	6
Score	3.5
Percent	58.3
Dp	70.8
Aor	1218.2
Perform	1289
Penalties	0
Wins	3
Draws	1
Losses	2
White	3
Black	3
White wins	1
Black wins	2
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	19
Final Pos	12
Share Pos	10
Count for rating	Yes

Analysis (Main)

Rating	1184.2
K-factor	20
Score	3.5
Expected score	2.76
Score - Expected score	0.74
Rating +/-	4.7

Analysis (Type)

Rating	1199.5
K-factor	20
Score	3.5
Expected score	2.83
Score - Expected score	0.67
Rating +/-	7.1

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	2026-01-31	Brink, S (Samantha)	WOS		1377.6	1369.7	W	0	0.32	-0.32	-3.8	0.34	-0.34	-6.8	Yes
2	2026-01-31	Maans, W (Waylen)	WOS		1120.6	1136.7	B	1	0.53	0.47	3	0.53	0.47	5	Yes
3	2026-01-31	Groenewald, J (Jody)	WOS		1234.2	1199.9	B	0.5	0.4	0.1	0.6	0.46	0.04	0.4	Yes
4	2026-01-31	Witbooi, G (Gere)	WOS		1201.5	1240.9	W	0	0.52	-0.52	-6.2	0.49	-0.49	-9.8	Yes
5	2026-01-31	Pieterse, J (Jay-Leigh)	WOS		1146.2	1189	B	1	0.5	0.5	3.2	0.47	0.53	5.7	Yes
6	2026-01-31	Makhado, E (Esethu)	WOS		1229.2	1199.2	W	1	0.49	0.51	3.3	0.54	0.46	4.9	Yes