Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Tonder, A (Aj)

Chess SA id

1130141655

FIDE id

Date of birth

2013-10-21 (U14)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1220.4	1227.2	1200	1200
Raw rating	1220.4	1227.2	1200	1200
Weighted rating	1217.5	1223.8	1200	1200
Weighted performance	0	0	0	0
Floor	720.4	727.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.1	159.5	165.8	165.8
Highest rating	1221.4 2022-07-01	1227.2 2024-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1220.4 2024-09-01	1227.2 2024-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1216.3 2025-08-01	1222.4 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1221.4 2022-07-01	1222.5 2022-07-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1220.4	1227.2	1200	1200
Analysis
Rating	1220.4	1227.2	1200	1200
Raw rating	1220.4	1227.2	1200	1200
Weighted rating	1217.5	1223.8	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	720.4	727.2	700	700
Max/Min rating change allowed	161.1	159.5	165.8	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1220.4	1227.2	1200	1200
New weighted rating	1218	1224.4	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1220.4	1227.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1220.4	1227.2	1200	1200
New K-factor	36	36	36	36
New floor	720.4	727.2	700	700

Item	Main	Standard
	0	0
	0	0
	3	3
	0	0
	15	15
	0	0
History	18	18

Games since
	Main 3	Standard 3		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	18	9.5	52.78	23.6	1183.3	1206.9
Standard	18	9.5	52.78	23.6	1183.3	1206.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1220.4	1227.2	1200	1200
2025-09-01	1220.4	1227.2	1200	1200
2025-08-01	1220.4	1227.2	1200	1200
2025-07-01	1220.4	1227.2	1200	1200
2025-06-01	1220.4	1227.2	1200	1200
2025-05-01	1220.4	1227.2	1200	1200
2025-04-01	1220.4	1227.2	1200	1200
2025-03-01	1220.4	1227.2	1200	1200
2025-02-01	1220.4	1227.2	1200	1200
2025-01-01	1220.4	1227.2	1200	1200
2024-12-01	1220.4	1227.2	1200	1200
2024-11-01	1220.4	1227.2	1200	1200
2024-10-01	1220.4	1227.2	1200	1200
2024-09-01	1220.4	1227.2	1200	1200
2024-08-01	1204.6	1208.8	1200	1200
2024-07-01	1204.6	1208.8	1200	1200
2024-06-01	1204.6	1208.8	1200	1200
2024-08-01	1204.6	1208.8	1200	1200
2024-04-01	1204.6	1208.8	1200	1200
2024-03-01	1204.6	1208.8	1200	1200
2024-02-01	1204.6	1208.8	1200	1200
2024-01-01	1204.6	1208.8	1200	1200
2023-12-01	1204.6	1208.8	1200	1200
2023-11-01	1204.6	1208.8	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11B)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	3	2	Yes	Analysis
2	D4 Play Offs 2022 (U9)	2022-07-30	2022-07-30	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
3	2022 Menlo Open Tournament (E)	2022-07-23	2022-07-23	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
4	2022 Milos Ristic Open Chess Tournament (E)	2022-05-28	2022-05-28	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2022 Menlo Open Tournament				Tournament D4 Play Offs 2022
		date 2022-07-23	rnd 2	type Standard	result 1	date 2022-07-30	rnd 1	type Standard	result 1
		Opponent Cronje, J (Jasmin)				Opponent Steyn, J (Joshua)
2	2	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Mhlongo, M (Mbali)				Opponent Gafane, K (Khumo)
3	2	Tournament D4 Play Offs 2022				Tournament D4 Play Offs 2022
		date 2022-07-30	rnd 3	type Standard	result 0.5	date 2022-07-30	rnd 4	type Standard	result 1
		Opponent Coetzee, J (Joshua)				Opponent Van Niekerk, A (Arike)

#	Games	Start				End
1	5	Tournament 2022 Menlo Open Tournament				Tournament D4 Play Offs 2022
		date 2022-07-23	rnd 2	type Standard	result 1	date 2022-07-30	rnd 1	type Standard	result 1
		Opponent Cronje, J (Jasmin)				Opponent Steyn, J (Joshua)
2	2	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Mhlongo, M (Mbali)				Opponent Gafane, K (Khumo)
3	2	Tournament D4 Play Offs 2022				Tournament D4 Play Offs 2022
		date 2022-07-30	rnd 3	type Standard	result 0.5	date 2022-07-30	rnd 4	type Standard	result 1
		Opponent Coetzee, J (Joshua)				Opponent Van Niekerk, A (Arike)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Mhlongo, M (Mbali)				Opponent Gafane, K (Khumo)
2	2	Tournament 2022 Menlo Open Tournament				Tournament D4 Play Offs 2022
		date 2022-07-23	rnd 5	type Standard	result 1	date 2022-07-30	rnd 1	type Standard	result 1
		Opponent Barnard, V (Vaughan)				Opponent Steyn, J (Joshua)
3	2	Tournament 2022 Menlo Open Tournament				Tournament 2022 Menlo Open Tournament
		date 2022-07-23	rnd 2	type Standard	result 1	date 2022-07-23	rnd 3	type Standard	result 1
		Opponent Cronje, J (Jasmin)				Opponent De Bruin, H (Hanno)

#	Games	Start				End
1	2	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Mhlongo, M (Mbali)				Opponent Gafane, K (Khumo)
2	2	Tournament 2022 Menlo Open Tournament				Tournament D4 Play Offs 2022
		date 2022-07-23	rnd 5	type Standard	result 1	date 2022-07-30	rnd 1	type Standard	result 1
		Opponent Barnard, V (Vaughan)				Opponent Steyn, J (Joshua)
3	2	Tournament 2022 Menlo Open Tournament				Tournament 2022 Menlo Open Tournament
		date 2022-07-23	rnd 2	type Standard	result 1	date 2022-07-23	rnd 3	type Standard	result 1
		Opponent Cronje, J (Jasmin)				Opponent De Bruin, H (Hanno)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Ottermann ,A (Ayla)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Ottermann ,A (Ayla)	2	1080.4	867.9	2	1098.4	867.9	0	0	0	0	0	0
2	Truscott ,A (Ane)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Truscott ,A (Ane)	1	1158.4	1158.4	1	1147.2	1158.4	0	0	0	0	0	0
3	Janse Van Rensburg ,J (Josh)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Janse Van Rensburg ,J (Josh)	1	1145.9	720.9	1	1142	720.9	0	0	0	0	0	0
4	De Bruin ,H (Hanno)	1	1	425	1	1	425	0	0	0	0	0	0
4	De Bruin ,H (Hanno)	1	1089.7	1514.7	1	1078.4	1514.7	0	0	0	0	0	0
5	Mhlongo ,M (Mbali)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mhlongo ,M (Mbali)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Maposa ,A (Andile)	1	1	425	1	1	425	0	0	0	0	0	0
6	Maposa ,A (Andile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Bight ,C (Chase)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Bight ,C (Chase)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Van Niekerk ,A (Arike)	1	1	425	1	1	425	0	0	0	0	0	0
8	Van Niekerk ,A (Arike)	1	1282.5	1707.5	1	1293.3	1707.5	0	0	0	0	0	0
9	Barnard ,V (Vaughan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Barnard ,V (Vaughan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Jooste ,O (Oliver)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Jooste ,O (Oliver)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Van Tonder, A (Aj)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms