Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Biljon, S (Sarel)

Chess SA id

1080133844

FIDE id

Date of birth

2008-09-30 (U18)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-15

Personal details last changed

1900-01-01

Junior GPX Games

20.7

Junior GPX Points

1447.5

Item	Main	Standard	Rapid	Blitz
Rating	1482.7	1462.2	1237.9	1170
Raw rating	1482.7	1448.9	1237.9	1170
Weighted rating	1374.8	1364.4	1210.3	1170
Weighted performance	1469.4	1462.2	0	0
Floor	982.7	948.9	737.9	700
K-factor	32	32	36	36
Min/Max rating change allowed	110.8	116.3	157.1	173.1
Highest rating	1619.6 2022-02-01	1615.2 2022-02-01	1237.9 2025-02-01	1200 2018-10-01
Highest raw rating	1482.7 2025-09-01	1448.9 2025-09-01	1237.9 2025-02-01	1200 2020-01-01
Highest weighted rating	1362.8 2025-09-01	1355 2025-09-01	1237.9 2018-10-01	1200 2018-10-01
Highest weighted performance	1619.6 2022-02-01	1615.2 2022-02-01	1200 2020-01-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0.5	0	0
New rating	1482.7	1461.6	1237.9	1170
Analysis
Rating	1482.7	1462.2	1237.9	1170
Raw rating	1482.7	1448.9	1237.9	1170
Weighted rating	1374.8	1364.4	1210.3
Weighted performance	1469.4	1462.2	0
K-factor	32	32	36	36
Floor	982.7	948.9	737.9	700
Max/Min rating change allowed	110.8	116.3	157.1	173.1
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	1482.7	1448.9	1237.9	1170
New weighted rating	1386.1	1373.1	1213.7	1170
New weighted performance	1468.9	1461.6	0	0
Temp new rating	1482.7	1461.6	1237.9	1170
Temp new rating +/-	0	-0.5	0	0
Final new rating +/-	0	-0.5	0	0
New rating	1482.7	1461.6	1237.9	1170
New K-factor	32	32	36	36
New floor	982.7	948.9	737.9	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	23	18	5	0
	10	5	5	0
	5	5	0	0
	38	23	5	10
	0	0	0	0
History	76	51	15	10

Games since
	Main 33	Standard 23		Rapid 10		Blitz 0
Gender	Male
Age group	U18
Region	Mangaung (FMB)
Province	Free State (FS)
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	23	13.5	58.7	73.9	1422.4	1496.3
Standard	18	10.5	58.33	70.8	1406.3	1477.2
Rapid	5	3	60	85	1480.3	1565.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	76	41	53.95	33.6	1337.7	1371.3
Standard	51	30	58.82	75	1312.4	1387.4
Rapid	15	7	46.67	-28.3	1355.6	1327.3
Blitz	10	4	40	-85	1439.8	1354.8

Date	Main	Standard	Rapid	Blitz
2025-09-30	1482.7	1448.9	1237.9	1170
2025-09-01	1482.7	1448.9	1237.9	1170
2025-08-01	1456.1	1412	1237.9	1170
2025-07-01	1456.1	1412	1237.9	1170
2025-06-01	1456.1	1412	1237.9	1170
2025-05-01	1321.9	1320.5	1237.9	1170
2025-04-01	1321.9	1318.9	1237.9	1170
2025-03-01	1321.9	1315.9	1237.9	1170
2025-02-01	1355	1337.3	1237.9	1170
2025-01-01	1322	1337.3	1168.4	1170
2024-12-01	1322	1337.3	1168.4	1170
2024-11-01	1322	1337.3	1168.4	1170
2024-10-01	1322	1337.3	1168.4	1170
2024-09-01	1322	1337.3	1168.4	1170
2024-08-01	1322	1337.3	1168.4	1170
2024-07-01	1322	1337.3	1168.4	1170
2024-06-01	1322	1337.3	1168.4	1170
2024-08-01	1322	1337.3	1168.4	1170
2024-04-01	1322	1337.3	1168.4	1170
2024-03-01	1322	1337.3	1168.4	1170
2024-02-01	1253.6	1255.2	1173.2	1170
2024-01-01	1253.6	1255.2	1173.2	1170
2023-12-01	1253.6	1255.2	1173.2	1170
2023-11-01	1253.6	1255.2	1173.2	1170

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	Free State Closed 2025 (U18 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
2	Spartan Bishops Championships Elite 2025 (U18)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	4	3	Yes	Analysis
3	Mangaung Metro Chess 9-10 May 2025 (A)	2025-05-09	2025-05-10	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
4	Mangaung Metro Chess 7-8 February 2025 (A)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	4	0.5	Yes	Analysis
5	Mangaung Metro Chess 25 January 2025 (A)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Free State Closed 2025 (U18 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
2	Spartan Bishops Championships Elite 2025 (U18)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	4	3	Yes	Analysis
3	Mangaung Metro Chess 9-10 May 2025 (A)	2025-05-09	2025-05-10	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
4	Mangaung Metro Chess 7-8 February 2025 (A)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	4	0.5	Yes	Analysis
5	Mangaung Metro Chess 25 January 2025 (A)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
6	Mangaung Metro Chess 10 February 2024 (A)	2024-02-10	2024-02-10	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
7	Grey College Team Championship 2024 (B)	2024-02-23	2024-02-24	Standard	Mangaung (FMB)	5	5	5	Yes	Analysis
8	Grey College Team Championship 2023 (B)	2023-02-03	2023-02-04	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
9	2022 South African Junior Team Chess Championships (U16 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
10	Mangaung Metro Chess 13 August 2022 (A)	2022-08-13	2022-08-13	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
11	South African Open 2022 (B)	2022-07-09	2022-07-17	Standard	Cape Town (WCT)	11	11	3	Yes	Analysis
12	South African Open 2022 (Blitz)	2022-07-14	2022-07-14	Blitz	Cape Town (WCT)	10	10	4	Yes	Analysis
13	Grey College Team Championship 2022 (B)	2022-02-18	2022-02-19	Standard	Mangaung (FMB)	5	5	5	Yes	Analysis

#	Games	Start				End
1	6	Tournament Mangaung Metro Chess 10 February 2024				Tournament Grey College Team Championship 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-02-24	rnd 5	type Standard	result 1
		Opponent Xuma, O (Owam)				Opponent Zhu, E (Eric)
2	6	Tournament Grey College Team Championship 2022				Tournament South African Open 2022
		date 2022-02-18	rnd 1	type Standard	result 1	date 2022-07-09	rnd 1	type Standard	result 0.5
		Opponent Alexander, D (Darrion)				Opponent Shipley, JM (Jarrad)
3	4	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-14	rnd 2	type Standard	result 1	date 2025-08-15	rnd 5	type Standard	result 1
		Opponent Saunders, J (John)				Opponent Scheepers, CAJ (Christiaan)

#	Games	Start				End
1	7	Tournament Grey College Team Championship 2023				Tournament Grey College Team Championship 2024
		date 2023-02-04	rnd 4	type Standard	result 1	date 2024-02-24	rnd 5	type Standard	result 1
		Opponent Khetha, M (Molemo)				Opponent Zhu, E (Eric)
2	6	Tournament Grey College Team Championship 2022				Tournament South African Open 2022
		date 2022-02-18	rnd 1	type Standard	result 1	date 2022-07-09	rnd 1	type Standard	result 0.5
		Opponent Alexander, D (Darrion)				Opponent Shipley, JM (Jarrad)
3	4	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-14	rnd 2	type Standard	result 1	date 2025-08-15	rnd 5	type Standard	result 1
		Opponent Saunders, J (John)				Opponent Scheepers, CAJ (Christiaan)

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 25 January 2025				Tournament Mangaung Metro Chess 25 January 2025
		date 2025-01-25	rnd 2	type Rapid	result 1	date 2025-01-25	rnd 5	type Rapid	result 0.5
		Opponent Botha, A (Andre)				Opponent Whyte, W (Wyatt)
2	2	Tournament Mangaung Metro Chess 13 August 2022				Tournament Mangaung Metro Chess 13 August 2022
		date 2022-08-13	rnd 3	type Rapid	result 1	date 2022-08-13	rnd 4	type Rapid	result 1
		Opponent Moshaoa, T (Tshepo)				Opponent Lemphane, O (Oratile)
3	1	Tournament Mangaung Metro Chess 10 February 2024				Tournament Mangaung Metro Chess 10 February 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent Xuma, O (Owam)				Opponent Xuma, O (Owam)

#	Games	Start				End
1	2	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 5	type Blitz	result 0.5	date 2022-07-14	rnd 6	type Blitz	result 1
		Opponent Adams, L (Leonard)				Opponent Salimu, C (Chase)
2	2	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 2	type Blitz	result 0.5	date 2022-07-14	rnd 3	type Blitz	result 1
		Opponent Parenzee, E (Ethan)				Opponent Hermelin, E (Eyal)
3	1	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 10	type Blitz	result 1	date 2022-07-14	rnd 10	type Blitz	result 1
		Opponent Fielies, H (Henrique)				Opponent Fielies, H (Henrique)

#	Games	Start				End
1	6	Tournament Mangaung Metro Chess 10 February 2024				Tournament Grey College Team Championship 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-02-24	rnd 5	type Standard	result 1
		Opponent Xuma, O (Owam)				Opponent Zhu, E (Eric)
2	5	Tournament Grey College Team Championship 2022				Tournament Grey College Team Championship 2022
		date 2022-02-18	rnd 1	type Standard	result 1	date 2022-02-19	rnd 5	type Standard	result 1
		Opponent Alexander, D (Darrion)				Opponent Wang, I (Ikai)
3	4	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-14	rnd 2	type Standard	result 1	date 2025-08-15	rnd 5	type Standard	result 1
		Opponent Saunders, J (John)				Opponent Scheepers, CAJ (Christiaan)

#	Games	Start				End
1	7	Tournament Grey College Team Championship 2023				Tournament Grey College Team Championship 2024
		date 2023-02-04	rnd 4	type Standard	result 1	date 2024-02-24	rnd 5	type Standard	result 1
		Opponent Khetha, M (Molemo)				Opponent Zhu, E (Eric)
2	5	Tournament Grey College Team Championship 2022				Tournament Grey College Team Championship 2022
		date 2022-02-18	rnd 1	type Standard	result 1	date 2022-02-19	rnd 5	type Standard	result 1
		Opponent Alexander, D (Darrion)				Opponent Wang, I (Ikai)
3	4	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-14	rnd 2	type Standard	result 1	date 2025-08-15	rnd 5	type Standard	result 1
		Opponent Saunders, J (John)				Opponent Scheepers, CAJ (Christiaan)

#	Games	Start				End
1	2	Tournament Mangaung Metro Chess 25 January 2025				Tournament Mangaung Metro Chess 25 January 2025
		date 2025-01-25	rnd 2	type Rapid	result 1	date 2025-01-25	rnd 3	type Rapid	result 1
		Opponent Botha, A (Andre)				Opponent Molatloe, K (Keagan)
2	2	Tournament Mangaung Metro Chess 13 August 2022				Tournament Mangaung Metro Chess 13 August 2022
		date 2022-08-13	rnd 3	type Rapid	result 1	date 2022-08-13	rnd 4	type Rapid	result 1
		Opponent Moshaoa, T (Tshepo)				Opponent Lemphane, O (Oratile)
3	1	Tournament Mangaung Metro Chess 10 February 2024				Tournament Mangaung Metro Chess 10 February 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent Xuma, O (Owam)				Opponent Xuma, O (Owam)

#	Games	Start				End
1	1	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 10	type Blitz	result 1	date 2022-07-14	rnd 10	type Blitz	result 1
		Opponent Fielies, H (Henrique)				Opponent Fielies, H (Henrique)
2	1	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 6	type Blitz	result 1	date 2022-07-14	rnd 6	type Blitz	result 1
		Opponent Salimu, C (Chase)				Opponent Salimu, C (Chase)
3	1	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 3	type Blitz	result 1	date 2022-07-14	rnd 3	type Blitz	result 1
		Opponent Hermelin, E (Eyal)				Opponent Hermelin, E (Eyal)

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	Scheepers ,CAJ (Christiaan)	2	1	0	2	1	0	0	0	0	0	0	0
1	Scheepers ,CAJ (Christiaan)	2	1414.4	1414.4	2	1401.6	1414.4	0	0	0	0	0	0
2	Lebenya ,MJ (Masilonyana Johannes)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Lebenya ,MJ (Masilonyana Johannes)	2	1425.3	1000.3	1	1434.1	1000.3	1	1430.5	1000.3	0	0	0
3	De Villiers ,H (Hj)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	De Villiers ,H (Hj)	2	1593.3	1168.3	1	1626.4	1168.3	1	1504.8	1168.3	0	0	0
4	Adams ,L (Leonard)	2	0.5	-212.5	1	0	-425	0	0	0	1	0.5	0
4	Adams ,L (Leonard)	2	1374.8	1162.3	1	1365.5	949.8	0	0	0	1	1200	1374.8
5	Fielies ,H (Henrique)	2	1	0	1	0	-425	0	0	0	1	1	425
5	Fielies ,H (Henrique)	2	1018.3	1018.3	1	1003.8	593.3	0	0	0	1	985.4	1443.3
6	Rothmann ,WR (Willem Ruwan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Rothmann ,WR (Willem Ruwan)	1	1144.1	1569.1	1	1134.5	1569.1	0	0	0	0	0	0
7	Snyman ,M (Margolet)	1	1	425	1	1	425	0	0	0	0	0	0
7	Snyman ,M (Margolet)	1	1159.1	1584.1	1	1193	1584.1	0	0	0	0	0	0
8	Pretorius ,L (Leighan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Pretorius ,L (Leighan)	1	1512.4	1087.4	1	1481.6	1087.4	0	0	0	0	0	0
9	Kabuya ,A (Adrian)	1	1	425	1	1	425	0	0	0	0	0	0
9	Kabuya ,A (Adrian)	1	1462.8	1887.8	1	1400	1887.8	0	0	0	0	0	0
10	Byliefeldt ,L (Leroux)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Byliefeldt ,L (Leroux)	1	1750.8	1325.8	1	1758.1	1325.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Van Biljon, S (Sarel)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms