Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Tjaart Steyn

108073208
Johannesburg Metro (GJM)

Tournament details

Tour Id	20253716
Group Id	20253705
Name	2025 Mzansi Individual Championships
Section	U18 Open
Rounds	6
Format	Swiss
Type	Classical
Start	2025-12-17
End	2025-12-20
Submitted	2025-12-17
Rated	2025-12-20
Submit age weight	1
Host	Nelson Mandela Bay (ENM)
Total time	120
Time weight	1
Official results	Official results

General

Games	6
Score	4
Percent	66.7
Dp	141.7
Aor	1478.8
Perform	1620.5
Penalties	0
Wins	4
Draws	0
Losses	2
White	3
Black	3
White wins	2
Black wins	2
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	49
Final Pos	20
Share Pos	11
Count for rating	Yes

Analysis (Main)

Rating	1516.3
K-factor	20
Score	4
Expected score	3.26
Score - Expected score	0.74
Rating +/-	14.8

Analysis (Type)

Rating	1527.4
K-factor	20
Score	4
Expected score	3.37
Score - Expected score	0.63
Rating +/-	12.6

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	2025-12-17	Booysen, J (Jait)	ENM		1619.9	1581.6	B	0	0.34	-0.34	-6.8	0.4	-0.4	-8	Yes
2	2025-12-18	Sinyaka, A (Anga)	ENM		1192.6	1191.4	W	1	0.92	0.08	1.6	0.93	0.07	1.4	Yes
3	2025-12-18	Seleko, O (Onalenna)	NCF		1599	1607.7	W	0	0.45	-0.45	-9	0.45	-0.45	-9	Yes
4	2025-12-19	Porteous, S (Stephen)	GTP		1116	1106.5	B	1	0.92	0.08	1.6	0.95	0.05	1	Yes
5	2025-12-19	Mbewe, T (Tatenda)	EBC		1718.4	1734.6	W	1	0.31	0.69	13.8	0.3	0.7	14	Yes
6	2025-12-20	Jonkers, T (Tristan)	WCT		1627.2	1624.4	B	1	0.33	0.67	13.4	0.35	0.65	13	Yes