Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Berg, S (Sion Justus)

Chess SA id

1120303366

FIDE id

Date of birth

2012-02-20 (U14)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1306.4

Item	Main	Standard	Rapid	Blitz
Rating	1225.3	1229.8	1200	1200
Raw rating	1225.3	1229.8	1200	1200
Weighted rating	1207.2	1208.2	1200	1200
Weighted performance	0	0	0	0
Floor	725.3	729.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	159.9	158.9	165.8	165.8
Highest rating	1225.3 2025-04-01	1229.8 2025-04-01	1200 2024-06-01	1200 2024-06-01
Highest raw rating	1225.3 2025-04-01	1229.8 2025-04-01	1200 2024-06-01	1200 2024-06-01
Highest weighted rating	1225.3 2024-11-01	1229.8 2024-11-01	1200 2024-06-01	1200 2024-06-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-06-01	1200 2024-06-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1225.3	1229.8	1200	1200
Analysis
Rating	1225.3	1229.8	1200	1200
Raw rating	1225.3	1229.8	1200	1200
Weighted rating	1207.2	1208.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	725.3	729.8	700	700
Max/Min rating change allowed	159.9	158.9	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	1225.3	1229.8	1200	1200
New weighted rating	1209.1	1210.5	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1225.3	1229.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1225.3	1229.8	1200	1200
New K-factor	36	36	36	36
New floor	725.3	729.8	700	700

Item	Main	Standard
	0	0
	10	10
	5	5
	0	0
	0	0
	0	0
History	15	15

Games since
	Main 15	Standard 15		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	10	5.5	55	42.5	1254.1	1296.6
Standard	10	5.5	55	42.5	1254.1	1296.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	7.5	50	0	1236.5	1236.5
Standard	15	7.5	50	0	1236.5	1236.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1225.3	1229.8	1200	1200
2025-09-01	1225.3	1229.8	1200	1200
2025-08-01	1225.3	1229.8	1200	1200
2025-07-01	1225.3	1229.8	1200	1200
2025-06-01	1225.3	1229.8	1200	1200
2025-05-01	1225.3	1229.8	1200	1200
2025-04-01	1225.3	1229.8	1200	1200
2025-03-01	1212.5	1214.4	1200	1200
2025-02-01	1189.4	1187.3	1200	1200
2025-01-01	1182.4	1178.8	1200	1200
2024-12-01	1182.4	1178.8	1200	1200
2024-11-01	1182.4	1178.8	1200	1200
2024-10-01	1182.4	1178.8	1200	1200
2024-09-01	1182.4	1178.8	1200	1200
2024-08-01	1182.4	1178.8	1200	1200
2024-07-01	1182.4	1178.8	1200	1200
2024-06-01	1182.4	1178.8	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	AHS Open Chess Tournament 2025 (D)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
2	Constantiapark Open 2025 (D)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	AHS Open Chess Tournament 2025 (D)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
2	Constantiapark Open 2025 (D)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	District 3 Cluster 4 and 5 Individuals 2024 (U13 Boys)	2024-05-04	2024-05-04	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Constantiapark Open 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Wethmar, R (Raymond)				Opponent Du Toit, L (Leone)
2	1	Tournament AHS Open Chess Tournament 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-03-01	rnd 4	type Standard	result 0.5	date 2025-03-01	rnd 4	type Standard	result 0.5
		Opponent Marais, M (Migael)				Opponent Marais, M (Migael)
3	1	Tournament Constantiapark Open 2025				Tournament Constantiapark Open 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Goosen, T (Teone)				Opponent Goosen, T (Teone)

#	Games	Start				End
1	4	Tournament Constantiapark Open 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Wethmar, R (Raymond)				Opponent Du Toit, L (Leone)
2	1	Tournament AHS Open Chess Tournament 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-03-01	rnd 4	type Standard	result 0.5	date 2025-03-01	rnd 4	type Standard	result 0.5
		Opponent Marais, M (Migael)				Opponent Marais, M (Migael)
3	1	Tournament Constantiapark Open 2025				Tournament Constantiapark Open 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Goosen, T (Teone)				Opponent Goosen, T (Teone)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Constantiapark Open 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Wethmar, R (Raymond)				Opponent Du Toit, L (Leone)
2	1	Tournament Constantiapark Open 2025				Tournament Constantiapark Open 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Goosen, T (Teone)				Opponent Goosen, T (Teone)
3	1	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2024-05-04	rnd 4	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Kruger, J (Josua)				Opponent Kruger, J (Josua)

#	Games	Start				End
1	4	Tournament Constantiapark Open 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Wethmar, R (Raymond)				Opponent Du Toit, L (Leone)
2	1	Tournament Constantiapark Open 2025				Tournament Constantiapark Open 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Goosen, T (Teone)				Opponent Goosen, T (Teone)
3	1	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2024-05-04	rnd 4	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Kruger, J (Josua)				Opponent Kruger, J (Josua)

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	Makunike ,J (James)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Makunike ,J (James)	1	1290	865	1	1290	865	0	0	0	0	0	0
2	Henning ,L (Luhandre)	1	1	425	1	1	425	0	0	0	0	0	0
2	Henning ,L (Luhandre)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	De Jager ,J (Jandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	De Jager ,J (Jandre)	1	1358.2	933.2	1	1363.3	933.2	0	0	0	0	0	0
4	Du Toit ,L (Leone)	1	1	425	1	1	425	0	0	0	0	0	0
4	Du Toit ,L (Leone)	1	1263.3	1688.3	1	1272	1688.3	0	0	0	0	0	0
5	Kruger ,J (Josua)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kruger ,J (Josua)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Bairos ,M (Michael Oliver)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Bairos ,M (Michael Oliver)	1	1251.7	826.7	1	1261.6	826.7	0	0	0	0	0	0
7	Goosen ,T (Teone)	1	1	425	1	1	425	0	0	0	0	0	0
7	Goosen ,T (Teone)	1	1127.3	1552.3	1	1112.8	1552.3	0	0	0	0	0	0
8	Wethmar ,R (Raymond)	1	1	425	1	1	425	0	0	0	0	0	0
8	Wethmar ,R (Raymond)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	De Villiers ,IP (Izak Petrus)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	De Villiers ,IP (Izak Petrus)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Ndebele ,AT (Akhumzi Thandolwenkosi)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ndebele ,AT (Akhumzi Thandolwenkosi)	1	1283.2	858.2	1	1270.9	858.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Van Der Berg, S (Sion Justus)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms