Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lange, S (Sebastian Siegfried)

Chess SA id

1130320538

FIDE id

Date of birth

2013-05-20 (U14)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1446

Item	Main	Standard	Rapid	Blitz
Rating	1279	1294.7	1200	1200
Raw rating	1279	1294.7	1200	1200
Weighted rating	1221.8	1226.1	1200	1200
Weighted performance	0	0	0	0
Floor	779	794.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	148.2	144.9	165.8	165.8
Highest rating	1279 2025-08-01	1294.7 2025-08-01	1200 2025-06-01	1200 2025-06-01
Highest raw rating	1279 2025-08-01	1294.7 2025-08-01	1200 2025-06-01	1200 2025-06-01
Highest weighted rating	1210.3 2025-08-01	1212.4 2025-08-01	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	1279	1294.7	1200	1200
Analysis
Rating	1279	1294.7	1200	1200
Raw rating	1279	1294.7	1200	1200
Weighted rating	1221.8	1226.1	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	779	794.7	700	700
Max/Min rating change allowed	148.2	144.9	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	1279	1294.7	1200	1200
New weighted rating	1227.1	1232.5	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1279	1294.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1279	1294.7	1200	1200
New K-factor	36	36	36	36
New floor	779	794.7	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	U14
Region	Tshwane (GTP)
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	10	6.5	65	127.5	1296.7	1424.2
Standard	10	6.5	65	127.5	1296.7	1424.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	6.5	65	127.5	1296.7	1424.2
Standard	10	6.5	65	127.5	1296.7	1424.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1279	1294.7	1200	1200
2025-09-01	1279	1294.7	1200	1200
2025-08-01	1279	1294.7	1200	1200
2025-07-01	1226.4	1231.9	1200	1200
2025-06-01	1226.4	1231.9	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
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	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
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	2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U13 Open)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
2	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U13 Open)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U13 Open)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
2	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U13 Open)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Viljoen, A (Alexander)				Opponent Herholdt, L (Lucius)
2	1	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 5	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Viljoen, T (Tyron)				Opponent Viljoen, T (Tyron)
3	1	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Van Der Walt, TA (Tjaart Andries)				Opponent Van Der Walt, TA (Tjaart Andries)

#	Games	Start				End
1	4	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Viljoen, A (Alexander)				Opponent Herholdt, L (Lucius)
2	1	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 5	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Viljoen, T (Tyron)				Opponent Viljoen, T (Tyron)
3	1	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Van Der Walt, TA (Tjaart Andries)				Opponent Van Der Walt, TA (Tjaart Andries)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-07-26	rnd 1	type Standard	result 1
		Opponent Viljoen, A (Alexander)				Opponent Ebersohn, G (Gerhard)
2	1	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 5	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Viljoen, T (Tyron)				Opponent Viljoen, T (Tyron)
3	1	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Herholdt, L (Lucius)				Opponent Herholdt, L (Lucius)

#	Games	Start				End
1	2	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-07-26	rnd 1	type Standard	result 1
		Opponent Viljoen, A (Alexander)				Opponent Ebersohn, G (Gerhard)
2	1	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 5	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Viljoen, T (Tyron)				Opponent Viljoen, T (Tyron)
3	1	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Herholdt, L (Lucius)				Opponent Herholdt, L (Lucius)

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	Ebersohn ,G (Gerhard)	1	1	425	1	1	425	0	0	0	0	0	0
1	Ebersohn ,G (Gerhard)	1	1482.5	1907.5	1	1488.3	1907.5	0	0	0	0	0	0
2	Haupt ,J (Joshua)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Haupt ,J (Joshua)	1	1416.1	991.1	1	1411.5	991.1	0	0	0	0	0	0
3	Viljoen ,T (Tyron)	1	1	425	1	1	425	0	0	0	0	0	0
3	Viljoen ,T (Tyron)	1	1164.4	1589.4	1	1167.5	1589.4	0	0	0	0	0	0
4	Smith ,E (Eduan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Smith ,E (Eduan)	1	1414.6	989.6	1	1411.5	989.6	0	0	0	0	0	0
5	Viljoen ,A (Alexander)	1	1	425	1	1	425	0	0	0	0	0	0
5	Viljoen ,A (Alexander)	1	1179.7	1604.7	1	1175.6	1604.7	0	0	0	0	0	0
6	Van Der Walt ,TA (Tjaart Andries)	1	1	425	1	1	425	0	0	0	0	0	0
6	Van Der Walt ,TA (Tjaart Andries)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Lekalakala ,R (Realeboga Blessings)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Lekalakala ,R (Realeboga Blessings)	1	1460.4	1460.4	1	1461	1460.4	0	0	0	0	0	0
8	Kgaamedi ,L (Lesego)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Kgaamedi ,L (Lesego)	1	1199.6	774.6	1	1199.5	774.6	0	0	0	0	0	0
9	Herholdt ,L (Lucius)	1	1	425	1	1	425	0	0	0	0	0	0
9	Herholdt ,L (Lucius)	1	1227.1	1652.1	1	1234.2	1652.1	0	0	0	0	0	0
10	Brits ,H (Henco)	1	1	425	1	1	425	0	0	0	0	0	0
10	Brits ,H (Henco)	1	1222.8	1647.8	1	1232.8	1647.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Lange, S (Sebastian Siegfried)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms