Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Biljon, A (Arno)

Chess SA id

1090098058

FIDE id

Date of birth

2009-08-01 (U18)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-07-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	742.4	771.1	573.5	573.5
Raw rating	742.4	771.1	573.5	573.5
Weighted rating	742.4	771.1	573.5	573.5
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	318.2	305.5	404.8	404.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	742.4 2024-02-01	771.1 2024-02-01	573.5 2024-02-01	573.5 2024-02-01
Highest weighted rating	742.4 2024-11-01	771.1 2024-11-01	573.5 2024-11-01	573.5 2024-11-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	742.4	771.1	573.5	573.5
Analysis
Rating	742.4	771.1	573.5	573.5
Raw rating	742.4	771.1	573.5	573.5
Weighted rating	742.4	771.1	573.5
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	318.2	305.5	404.8	404.8
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	742.4	771.1	573.5	573.5
New weighted rating	742.4	771.1	573.5	573.5
New weighted performance	0	0	0	0
Temp new rating	742.4	771.1	573.5	573.5
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	742.4	771.1	573.5	573.5
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	18	18

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	7	38.89	-94.4	1031.4	936.9
Standard	18	7	38.89	-94.4	1031.4	936.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	742.4	771.1	573.5	573.5
2025-09-30	742.4	771.1	573.5	573.5
2025-09-01	742.4	771.1	573.5	573.5
2025-08-01	742.4	771.1	573.5	573.5
2025-07-01	742.4	771.1	573.5	573.5
2025-06-01	742.4	771.1	573.5	573.5
2025-05-01	742.4	771.1	573.5	573.5
2025-04-01	742.4	771.1	573.5	573.5
2025-03-01	742.4	771.1	573.5	573.5
2025-02-01	742.4	771.1	573.5	573.5
2025-01-01	742.4	771.1	573.5	573.5
2024-12-01	742.4	771.1	573.5	573.5
2024-11-01	742.4	771.1	573.5	573.5
2024-10-01	742.4	771.1	573.5	573.5
2024-09-01	742.4	771.1	573.5	573.5
2024-08-01	742.4	771.1	573.5	573.5
2024-07-01	742.4	771.1	573.5	573.5
2024-09-01	742.4	771.1	573.5	573.5
2024-05-01	742.4	771.1	573.5	573.5
2024-04-01	742.4	771.1	573.5	573.5
2024-03-01	742.4	771.1	573.5	573.5
2024-02-01	742.4	771.1	573.5	573.5
2024-01-01	742.4	771.1	573.5	573.5
2023-12-01	742.4	771.1	573.5	573.5

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	TST-MSA Chess Open 2019 (D)	2019-07-20	2019-07-20	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
2	Carels Open 2019 (D)	2019-03-02	2019-03-02	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis
3	D7 Primary School League 2023 (U9 Boys+Mixed)	2018-04-21	2018-04-21	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
4	Henley Open 2018 (D)	2018-03-10	2018-03-10	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament TST-MSA Chess Open 2019				Tournament TST-MSA Chess Open 2019
		date 2019-07-20	rnd 3	type Standard	result 1	date 2019-07-20	rnd 5	type Standard	result 1
		Opponent Keyser, K (Katelyn)				Opponent Roberts, C (Cj)
2	2	Tournament D7 Primary School League 2023				Tournament D7 Primary School League 2023
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Lewis, C (Chanel)				Opponent Van Biljon, J (Jessica)
3	1	Tournament D7 Primary School League 2023				Tournament D7 Primary School League 2023
		date 2018-04-21	rnd 5	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 1
		Opponent Mokoena, B (Bokang)				Opponent Mokoena, B (Bokang)

#	Games	Start				End
1	3	Tournament TST-MSA Chess Open 2019				Tournament TST-MSA Chess Open 2019
		date 2019-07-20	rnd 3	type Standard	result 1	date 2019-07-20	rnd 5	type Standard	result 1
		Opponent Keyser, K (Katelyn)				Opponent Roberts, C (Cj)
2	2	Tournament D7 Primary School League 2023				Tournament D7 Primary School League 2023
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Lewis, C (Chanel)				Opponent Van Biljon, J (Jessica)
3	1	Tournament D7 Primary School League 2023				Tournament D7 Primary School League 2023
		date 2018-04-21	rnd 5	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 1
		Opponent Mokoena, B (Bokang)				Opponent Mokoena, B (Bokang)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament TST-MSA Chess Open 2019				Tournament TST-MSA Chess Open 2019
		date 2019-07-20	rnd 3	type Standard	result 1	date 2019-07-20	rnd 5	type Standard	result 1
		Opponent Keyser, K (Katelyn)				Opponent Roberts, C (Cj)
2	2	Tournament D7 Primary School League 2023				Tournament D7 Primary School League 2023
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Lewis, C (Chanel)				Opponent Van Biljon, J (Jessica)
3	1	Tournament D7 Primary School League 2023				Tournament D7 Primary School League 2023
		date 2018-04-21	rnd 5	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 1
		Opponent Mokoena, B (Bokang)				Opponent Mokoena, B (Bokang)

#	Games	Start				End
1	3	Tournament TST-MSA Chess Open 2019				Tournament TST-MSA Chess Open 2019
		date 2019-07-20	rnd 3	type Standard	result 1	date 2019-07-20	rnd 5	type Standard	result 1
		Opponent Keyser, K (Katelyn)				Opponent Roberts, C (Cj)
2	2	Tournament D7 Primary School League 2023				Tournament D7 Primary School League 2023
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Lewis, C (Chanel)				Opponent Van Biljon, J (Jessica)
3	1	Tournament D7 Primary School League 2023				Tournament D7 Primary School League 2023
		date 2018-04-21	rnd 5	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 1
		Opponent Mokoena, B (Bokang)				Opponent Mokoena, B (Bokang)

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	Van Biljon ,S (Simone)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Van Biljon ,S (Simone)	1	580	155	1	596.4	155	0	0	0	0	0	0
2	Pretorius ,PJ (Petrus)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Pretorius ,PJ (Petrus)	1	695.9	270.9	1	727.2	270.9	0	0	0	0	0	0
3	Eberwein ,HJ (Heinrich Jurgen)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Eberwein ,HJ (Heinrich Jurgen)	1	1112.1	687.1	1	1082	687.1	0	0	0	0	0	0
4	Lewis ,C (Chanel)	1	1	425	1	1	425	0	0	0	0	0	0
4	Lewis ,C (Chanel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Mokoena ,B (Bokang)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mokoena ,B (Bokang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Kriel ,D (Devin)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Kriel ,D (Devin)	1	1089.8	664.8	1	1070	664.8	0	0	0	0	0	0
7	Mayers ,G (Gezenka)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mayers ,G (Gezenka)	1	1233.2	808.2	1	1240	808.2	0	0	0	0	0	0
8	Goosen ,L (Lucuis)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Goosen ,L (Lucuis)	1	1086.2	661.2	1	1068.3	661.2	0	0	0	0	0	0
9	Smeeton ,JJ (Jayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Smeeton ,JJ (Jayden)	1	1101.1	676.1	1	1080.8	676.1	0	0	0	0	0	0
10	De Villiers ,AE (Anke)	1	1	425	1	1	425	0	0	0	0	0	0
10	De Villiers ,AE (Anke)	1	1200	1625	1	1200	1625	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 Biljon, A (Arno)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms