Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Niekerk, J (Jaco)

Chess SA id

1130139682

FIDE id

Date of birth

2013-03-13 (U14)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-05-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1202.6	1200	1200	1200
Raw rating	1202.6	1200	1200	1200
Weighted rating	1202.6	1199.9	1200	1200
Weighted performance	925.2	920.2	0	0
Floor	734.1	741.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.2	165.8	165.8	165.8
Highest rating	1317.4 2022-04-01	1321.1 2022-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1234.1 2022-09-01	1241.1 2022-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1234.1 2022-11-01	1241.1 2022-11-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1317.4 2022-04-01	1321.1 2022-04-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1202.6	1200	1200	1200
Analysis
Rating	1202.6	1200	1200	1200
Raw rating	1202.6	1200	1200	1200
Weighted rating	1202.6	1199.9	1200
Weighted performance	925.2	920.2	0
K-factor	36	36	36	36
Floor	734.1	741.1	700	700
Max/Min rating change allowed	165.2	165.8	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	1202.6	1200	1200	1200
New weighted rating	1202.6	1199.9	1200	1200
New weighted performance	918.7	913.7	0	0
Temp new rating	1202.6	1200	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1202.6	1200	1200	1200
New K-factor	36	36	36	36
New floor	734.1	741.1	700	700

Item	Main	Standard
	0	0
	9	9
	0	0
	15	15
	20	20
	0	0
History	44	44

Games since
	Main 9	Standard 9		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	West Rand (GWR)
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	9	2	22.22	-236.1	1276.6	1040.5
Standard	9	2	22.22	-236.1	1276.6	1040.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	44	18.5	42.05	-67.6	1243.9	1176.3
Standard	44	18.5	42.05	-67.6	1243.9	1176.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1202.6	1200	1200	1200
2025-09-30	1202.6	1200	1200	1200
2025-09-01	1202.6	1200	1200	1200
2025-08-01	1202.6	1200	1200	1200
2025-07-01	1202.6	1199.9	1200	1200
2025-06-01	1202.1	1199.3	1200	1200
2025-05-01	1202.8	1200.2	1200	1200
2025-04-01	1202.6	1200	1200	1200
2025-03-01	1199.7	1196.2	1200	1200
2025-02-01	1203.2	1200.6	1200	1200
2025-01-01	1203	1200.4	1200	1200
2024-12-01	1203	1200.4	1200	1200
2024-11-01	1203	1200.4	1200	1200
2024-10-01	1203	1200.4	1200	1200
2024-09-01	1203	1200.4	1200	1200
2024-08-01	1203	1200.4	1200	1200
2024-07-01	1203	1200.4	1200	1200
2024-09-01	1203	1200.4	1200	1200
2024-05-01	1203	1200.4	1200	1200
2024-04-01	1203	1200.4	1200	1200
2024-03-01	1203	1200.4	1200	1200
2024-02-01	1203	1200.4	1200	1200
2024-01-01	1203	1200.4	1200	1200
2023-12-01	1203	1200.4	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	2025 D2 Schools Individuals (U13 Open)	2025-05-09	2025-05-09	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
2	2025 West Rand Open (Rooks)	2025-02-08	2025-02-08	Standard	West Rand (GWR)	5	4	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 D2 Schools Individuals (U13 Open)	2025-05-09	2025-05-09	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
2	2025 West Rand Open (Rooks)	2025-02-08	2025-02-08	Standard	West Rand (GWR)	5	4	0	Yes	Analysis
3	2023 West Rand Trials (U12)	2023-09-09	2023-09-09	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
4	2023 West Rand RHS Open (U12)	2023-06-10	2023-06-10	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
5	WR Tournament and Coaching 2023 (U12)	2023-02-25	2023-02-25	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
6	West Rand vs Bojanala 2022 (U10B)	2022-11-05	2022-11-05	Standard	Bojanala Platina (NBR)	5	5	0	Yes	Analysis
7	West Rand Trials 2022 (U10)	2022-09-03	2022-09-03	Standard	West Rand (GWR)	5	5	2.5	Yes	Analysis
8	2nd West Rand Open 2022 (U10)	2022-08-06	2022-08-06	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
9	West Rand Juniors 2022 (U10)	2022-04-09	2022-04-09	Standard	West Rand (GWR)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2nd West Rand Open 2022				Tournament West Rand Trials 2022
		date 2022-08-06	rnd 5	type Standard	result 1	date 2022-09-03	rnd 2	type Standard	result 1
		Opponent Maja, O (Omphile)				Opponent Waldick, S (Simone)
2	3	Tournament West Rand Juniors 2022				Tournament 2nd West Rand Open 2022
		date 2022-04-09	rnd 5	type Standard	result 1	date 2022-08-06	rnd 2	type Standard	result 1
		Opponent Mosia, L (Lebajwe)				Opponent Mathabatha, B (Bubo)
3	2	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 2	type Standard	result 1	date 2025-05-09	rnd 3	type Standard	result 1
		Opponent Mkandla, M (Mbongeni)				Opponent Lesenya, K (Katlego)

#	Games	Start				End
1	3	Tournament 2nd West Rand Open 2022				Tournament West Rand Trials 2022
		date 2022-08-06	rnd 5	type Standard	result 1	date 2022-09-03	rnd 2	type Standard	result 1
		Opponent Maja, O (Omphile)				Opponent Waldick, S (Simone)
2	3	Tournament West Rand Juniors 2022				Tournament 2nd West Rand Open 2022
		date 2022-04-09	rnd 5	type Standard	result 1	date 2022-08-06	rnd 2	type Standard	result 1
		Opponent Mosia, L (Lebajwe)				Opponent Mathabatha, B (Bubo)
3	2	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 2	type Standard	result 1	date 2025-05-09	rnd 3	type Standard	result 1
		Opponent Mkandla, M (Mbongeni)				Opponent Lesenya, K (Katlego)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2nd West Rand Open 2022				Tournament West Rand Trials 2022
		date 2022-08-06	rnd 5	type Standard	result 1	date 2022-09-03	rnd 2	type Standard	result 1
		Opponent Maja, O (Omphile)				Opponent Waldick, S (Simone)
2	3	Tournament West Rand Juniors 2022				Tournament 2nd West Rand Open 2022
		date 2022-04-09	rnd 5	type Standard	result 1	date 2022-08-06	rnd 2	type Standard	result 1
		Opponent Mosia, L (Lebajwe)				Opponent Mathabatha, B (Bubo)
3	2	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 2	type Standard	result 1	date 2025-05-09	rnd 3	type Standard	result 1
		Opponent Mkandla, M (Mbongeni)				Opponent Lesenya, K (Katlego)

#	Games	Start				End
1	3	Tournament 2nd West Rand Open 2022				Tournament West Rand Trials 2022
		date 2022-08-06	rnd 5	type Standard	result 1	date 2022-09-03	rnd 2	type Standard	result 1
		Opponent Maja, O (Omphile)				Opponent Waldick, S (Simone)
2	3	Tournament West Rand Juniors 2022				Tournament 2nd West Rand Open 2022
		date 2022-04-09	rnd 5	type Standard	result 1	date 2022-08-06	rnd 2	type Standard	result 1
		Opponent Mosia, L (Lebajwe)				Opponent Mathabatha, B (Bubo)
3	2	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 2	type Standard	result 1	date 2025-05-09	rnd 3	type Standard	result 1
		Opponent Mkandla, M (Mbongeni)				Opponent Lesenya, K (Katlego)

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	Maseko ,T (Tshiamo)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Maseko ,T (Tshiamo)	2	1266.1	841.1	2	1255	841.1	0	0	0	0	0	0
2	Mosia ,L (Lebajwe)	2	1	0	2	1	0	0	0	0	0	0	0
2	Mosia ,L (Lebajwe)	2	1167.2	1167.2	2	1160.2	1167.2	0	0	0	0	0	0
3	Magagula ,N (Nkosingiphile)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Magagula ,N (Nkosingiphile)	2	1293.9	868.9	2	1288.2	868.9	0	0	0	0	0	0
4	Mkandla ,M (Mbongeni)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mkandla ,M (Mbongeni)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Terblanche ,B (Bernard)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Terblanche ,B (Bernard)	1	1352.2	927.2	1	1325.1	927.2	0	0	0	0	0	0
6	Miya ,K (Kwandokuhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Miya ,K (Kwandokuhle)	1	1269	844	1	1268.9	844	0	0	0	0	0	0
7	Kampiyau ,S (Shane)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Kampiyau ,S (Shane)	1	1252.3	827.3	1	1264.6	827.3	0	0	0	0	0	0
8	Modise ,K (Karabelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Modise ,K (Karabelo)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Holder ,K (Kyle)	1	1	425	1	1	425	0	0	0	0	0	0
9	Holder ,K (Kyle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Maponyane ,K (Katlego)	1	1	425	1	1	425	0	0	0	0	0	0
10	Maponyane ,K (Katlego)	1	1171.7	1596.7	1	1165.6	1596.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Van Niekerk, J (Jaco)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms