Chess South Africa Ratings Database

PLAYER PAGE

Personal

van Biljon, R (Rossouw)

Chess SA id

1140321170

FIDE id

Date of birth

2014-07-25 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1248.4	1258	1200	1200
Raw rating	1248.4	1258	1200	1200
Weighted rating	1227.4	1233	1200	1200
Weighted performance	0	0	0	0
Floor	751.4	762	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	154.8	152.7	165.8	165.8
Highest rating	1251.4 2025-06-01	1262 2025-06-01	1200 2025-06-01	1200 2025-06-01
Highest raw rating	1251.4 2025-06-01	1262 2025-06-01	1200 2025-06-01	1200 2025-06-01
Highest weighted rating	1221.9 2025-11-01	1226.3 2025-11-01	1200 2025-06-01	1200 2025-06-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1248.4	1258	1200	1200
Analysis
Rating	1248.4	1258	1200	1200
Raw rating	1248.4	1258	1200	1200
Weighted rating	1227.4	1233	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	751.4	762	700	700
Max/Min rating change allowed	154.8	152.7	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	1248.4	1258	1200	1200
New weighted rating	1230	1236	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1248.4	1258	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1248.4	1258	1200	1200
New K-factor	36	36	36	36
New floor	751.4	762	700	700

Item	Main	Standard
	0	0
	10	10
	0	0
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	6	60	85	1257.7	1342.7
Standard	10	6	60	85	1257.7	1342.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	6	60	85	1257.7	1342.7
Standard	10	6	60	85	1257.7	1342.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1248.4	1258	1200	1200
2025-11-30	1248.4	1258	1200	1200
2025-11-01	1248.4	1258	1200	1200
2025-09-30	1251.4	1262	1200	1200
2025-09-01	1251.4	1262	1200	1200
2025-08-01	1251.4	1262	1200	1200
2025-07-01	1251.4	1262	1200	1200
2025-06-01	1251.4	1262	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	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

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	2025 Gauteng Schools Provincial Individual Chess Championship (U11 Boys)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	D5 Anker 2025 (U11 Boys)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2025 Gauteng Schools Provincial Individual Chess Championship				Tournament 2025 Gauteng Schools Provincial Individual Chess Championship
		date 2025-09-27	rnd 4	type Standard	result 1	date 2025-09-27	rnd 5	type Standard	result 1
		Opponent Sokhulu, O (Oratilwe)				Opponent Ndlovu, M (Michael)
2	2	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent de Nazare, G (Giovanni)				Opponent Alberts, K (Kristiaan)
3	2	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Els, X (Xavier)				Opponent Hoffmann, J (Jared)

#	Games	Start				End
1	2	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent de Nazare, G (Giovanni)				Opponent Alberts, K (Kristiaan)
2	2	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Els, X (Xavier)				Opponent Hoffmann, J (Jared)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent de Nazare, G (Giovanni)				Opponent Alberts, K (Kristiaan)
2	2	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Els, X (Xavier)				Opponent Hoffmann, J (Jared)

#	Games	Start				End
1	2	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent de Nazare, G (Giovanni)				Opponent Alberts, K (Kristiaan)
2	2	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Els, X (Xavier)				Opponent Hoffmann, J (Jared)

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	de Nazare ,G (Giovanni)	1	1	425	1	1	425	0	0	0	0	0	0
1	de Nazare ,G (Giovanni)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Mkhize ,S (Sibongimpilo)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mkhize ,S (Sibongimpilo)	1	1137.7	712.7	1	1133.2	712.7	0	0	0	0	0	0
3	Ndlovu ,M (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
3	Ndlovu ,M (Michael)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Khumalo ,ME (Musawenkosi Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Khumalo ,ME (Musawenkosi Ethan)	1	1513.3	1088.3	1	1560	1088.3	0	0	0	0	0	0
5	Sokhulu ,O (Oratilwe)	1	1	425	1	1	425	0	0	0	0	0	0
5	Sokhulu ,O (Oratilwe)	1	1190.7	1615.7	1	1189	1615.7	0	0	0	0	0	0
6	Bester ,J (Johannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Bester ,J (Johannes)	1	1528.6	1103.6	1	1526.3	1103.6	0	0	0	0	0	0
7	Alberts ,K (Kristiaan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Alberts ,K (Kristiaan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Mcgregor ,N (Nathan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mcgregor ,N (Nathan)	1	1206.4	781.4	1	1207.2	781.4	0	0	0	0	0	0
9	Els ,X (Xavier)	1	1	425	1	1	425	0	0	0	0	0	0
9	Els ,X (Xavier)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Hoffmann ,J (Jared)	1	1	425	1	1	425	0	0	0	0	0	0
10	Hoffmann ,J (Jared)	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

Notifications

PLAYER PAGE

Personal

van Biljon, R (Rossouw)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms