Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Den Berg, S (Sebastian)

Chess SA id

109085209

FIDE id

Date of birth

2009-09-08 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1232.7	1240.5	1200	1200
Raw rating	1231.1	1238.6	1200	1200
Weighted rating	1232.7	1240.5	1200	1200
Weighted performance	0	0	0	0
Floor	763.9	779.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.6	156.9	165.8	165.8
Highest rating	1439.2 2024-08-01	1446.8 2024-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1263.9 2024-09-01	1279.2 2024-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1231.1 2025-08-01	1238.6 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1439.2 2024-08-01	1446.8 2024-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.6	0.7	0	0
New rating	1233.2	1241.2	1200	1200
Analysis
Rating	1232.7	1240.5	1200	1200
Raw rating	1231.1	1238.6	1200	1200
Weighted rating	1232.7	1240.5	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	763.9	779.2	700	700
Max/Min rating change allowed	158.6	156.9	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	1231.1	1238.6	1200	1200
New weighted rating	1233.2	1241.2	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1233.2	1241.2	1200	1200
Temp new rating +/-	0.6	0.7	0	0
Final new rating +/-	0.6	0.7	0	0
New rating	1233.2	1241.2	1200	1200
New K-factor	36	36	36	36
New floor	763.9	779.2	700	700

Item	Main	Standard
	0	0
	5	5
	10	10
	0	0
	0	0
	0	0
History	20	20

Games since
	Main 15	Standard 15		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
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	5	1.5	30	-170	1233.2	1063.2
Standard	5	1.5	30	-170	1233.2	1063.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	8.5	56.67	56.7	1221.6	1278.3
Standard	15	8.5	56.67	56.7	1221.6	1278.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1231.1	1238.6	1200	1200
2025-09-01	1231.1	1238.6	1200	1200
2025-08-01	1231.1	1238.6	1200	1200
2025-07-01	1230.3	1237.6	1200	1200
2025-06-01	1229.5	1237.1	1200	1200
2025-05-01	1229.5	1237.1	1200	1200
2025-04-01	1229.5	1237.1	1200	1200
2025-03-01	1229.5	1237.1	1200	1200
2025-02-01	1263.9	1279.2	1200	1200
2025-01-01	1263.9	1279.2	1200	1200
2024-12-01	1263.9	1279.2	1200	1200
2024-11-01	1263.9	1279.2	1200	1200
2024-10-01	1263.9	1279.2	1200	1200
2024-09-01	1263.9	1279.2	1200	1200
2024-08-01	1192.2	1189.6	1200	1200
2024-07-01	1192.2	1189.6	1200	1200
2024-06-01	1192.2	1189.6	1200	1200
2024-08-01	1192.2	1189.6	1200	1200
2024-04-01	1192.2	1189.6	1200	1200
2024-03-01	1192.2	1189.6	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	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
2	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U19B)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
3	Grey College Team Championship 2024 (B)	2024-02-23	2024-02-24	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis

#	Games	Start				End
1	8	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2025
		date 2024-02-24	rnd 5	type Standard	result 1	date 2025-02-21	rnd 2	type Standard	result 0.5
		Opponent Boshoff, C (Chene)				Opponent Kornelius, D (Daniel)
2	1	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-23	rnd 1	type Standard	result 1	date 2024-02-23	rnd 1	type Standard	result 1
		Opponent Kwak, J (Jaeson)				Opponent Kwak, J (Jaeson)

#	Games	Start				End
1	8	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2025
		date 2024-02-24	rnd 5	type Standard	result 1	date 2025-02-21	rnd 2	type Standard	result 0.5
		Opponent Boshoff, C (Chene)				Opponent Kornelius, D (Daniel)
2	1	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-23	rnd 1	type Standard	result 1	date 2024-02-23	rnd 1	type Standard	result 1
		Opponent Kwak, J (Jaeson)				Opponent Kwak, J (Jaeson)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2025
		date 2024-02-24	rnd 5	type Standard	result 1	date 2025-02-21	rnd 1	type Standard	result 1
		Opponent Boshoff, C (Chene)				Opponent Witten, C (Cael)
2	1	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-23	rnd 1	type Standard	result 1	date 2024-02-23	rnd 1	type Standard	result 1
		Opponent Kwak, J (Jaeson)				Opponent Kwak, J (Jaeson)

#	Games	Start				End
1	7	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2025
		date 2024-02-24	rnd 5	type Standard	result 1	date 2025-02-21	rnd 1	type Standard	result 1
		Opponent Boshoff, C (Chene)				Opponent Witten, C (Cael)
2	1	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-23	rnd 1	type Standard	result 1	date 2024-02-23	rnd 1	type Standard	result 1
		Opponent Kwak, J (Jaeson)				Opponent Kwak, J (Jaeson)

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	Boshoff ,C (Chene)	1	1	425	1	1	425	0	0	0	0	0	0
1	Boshoff ,C (Chene)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Witten ,C (Cael)	1	1	425	1	1	425	0	0	0	0	0	0
2	Witten ,C (Cael)	1	1151.5	1576.5	1	1180	1576.5	0	0	0	0	0	0
3	Read ,R (Ross)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Read ,R (Ross)	1	1216.6	791.6	1	1219.6	791.6	0	0	0	0	0	0
4	Myburgh ,Z (Zelri)	1	1	425	1	1	425	0	0	0	0	0	0
4	Myburgh ,Z (Zelri)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Ledwaba ,L (Leago)	1	1	425	1	1	425	0	0	0	0	0	0
5	Ledwaba ,L (Leago)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Lomas ,C (Clayton Anthony)	1	1	425	1	1	425	0	0	0	0	0	0
6	Lomas ,C (Clayton Anthony)	1	1126.6	1551.6	1	1200	1551.6	0	0	0	0	0	0
7	Fourie ,L (Lesia)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Fourie ,L (Lesia)	1	1476.5	1051.5	1	1472.4	1051.5	0	0	0	0	0	0
8	Vassan ,S (Shivam)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Vassan ,S (Shivam)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Daffue ,J (Josh)	1	1	425	1	1	425	0	0	0	0	0	0
9	Daffue ,J (Josh)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Van Zyl ,J (Juanco)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Zyl ,J (Juanco)	1	1138.2	713.2	1	1163	713.2	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 Den Berg, S (Sebastian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms