Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Jonathan Van Tonder

1140302160
Bojanala Platina (NBR)

Tournament details

Tour Id	20253212
Group Id	20253209
Name	SACSSA Nationals 2025
Section	U11 Boys
Rounds	6
Format	Swiss
Type	Rapid
Start	2025-10-18
End	2025-10-18
Submitted	2025-10-19
Rated	2025-10-20
Submit age weight	1
Host	Ekurhuleni (GE)
Total time	30
Time weight	0.6
Official results	Official results

General

Games	6
Score	2
Percent	33.3
Dp	-141.7
Aor	1212.3
Perform	1070.7
Penalties	0
Wins	2
Draws	0
Losses	4
White	4
Black	2
White wins	2
Black wins	0
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	7
Final Pos	32
Share Pos	26
Count for rating	Yes

Analysis (Main)

Rating	1260.4
K-factor	20
Score	2
Expected score	3.42
Score - Expected score	-1.42
Rating +/-	-17

Analysis (Type)

Rating	1305.2
K-factor	20
Score	2
Expected score	3.75
Score - Expected score	-1.75
Rating +/-	-35

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	2025-10-18	Makhalemle, B (Boikano)	GE		1200.8	1201.6	W	0	0.61	-0.61	-7.3	0.66	-0.66	-13.2	Yes
2	2025-10-18	Cavanagh, J (John)	GJM		1240.1	1245.4	B	0	0.48	-0.48	-5.8	0.53	-0.53	-10.6	Yes
3	2025-10-18	Mohala, W (Wandile-Junior)	GE		1184.2	1173.3	W	1	0.63	0.37	4.4	0.7	0.3	6	Yes
4	2025-10-18	Seolonyane, T (Tumelo Lethabo)	GJM		1238.2	1221.3	B	0	0.48	-0.48	-5.8	0.56	-0.56	-11.2	Yes
5	2025-10-18	Hatina Munemero, T (Tyler)	GE		1196.6	1193.9	W	1	0.62	0.38	4.6	0.67	0.33	6.6	Yes
6	2025-10-18	Grob, R (Reagan)	GE		1214.1	1224.1	W	0	0.6	-0.6	-7.2	0.64	-0.64	-12.8	Yes