Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, SP (Sebastian)

Chess SA id

1110115711

FIDE id

Date of birth

2011-02-22 (U16)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-11-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1205.5	1233.6	1163	1200
Raw rating	1205.5	1233.6	1163	1200
Weighted rating	1205.1	1233.6	1162.5	1200
Weighted performance	0	0	0	0
Floor	728.6	733.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.5	158.1	174.8	165.8
Highest rating	1355.3 2019-06-01	1352.8 2019-06-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1228.6 2020-01-01	1233.6 2024-02-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1228.6 2021-06-01	1233.6 2024-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1355.3 2019-06-01	1352.8 2019-06-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1205.5	1233.6	1163	1200
Analysis
Rating	1205.5	1233.6	1163	1200
Raw rating	1205.5	1233.6	1163	1200
Weighted rating	1205.1	1233.6	1162.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	728.6	733.6	700	700
Max/Min rating change allowed	164.5	158.1	174.8	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	1205.5	1233.6	1163	1200
New weighted rating	1205.2	1233.6	1162.6	1200
New weighted performance	0	0	0	0
Temp new rating	1205.5	1233.6	1163	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1205.5	1233.6	1163	1200
New K-factor	36	36	36	36
New floor	728.6	733.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	7	0	7
	7	0	7
	0	0	0
History	19	5	14

Games since
	Main 7	Standard 0		Rapid 7		Blitz 0
Gender	Male
Age group	U16
Region	Dr Kenneth Kaunda (NWP)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	19	9.5	50	0	1195.1	1195.1
Standard	5	3.5	70	170	1182.1	1352.1
Rapid	14	6	42.86	-60.7	1199.7	1139
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1205.5	1233.6	1163	1200
2025-09-30	1205.5	1233.6	1163	1200
2025-09-01	1205.5	1233.6	1163	1200
2025-08-01	1205.5	1233.6	1163	1200
2025-07-01	1205.5	1233.6	1163	1200
2025-06-01	1205.5	1233.6	1163	1200
2025-05-01	1205.5	1233.6	1163	1200
2025-04-01	1205.5	1233.6	1163	1200
2025-03-01	1205.5	1233.6	1163	1200
2025-02-01	1205.5	1233.6	1163	1200
2025-01-01	1204.4	1233.6	1161.6	1200
2024-12-01	1204.4	1233.6	1161.6	1200
2024-11-01	1204.4	1233.6	1161.6	1200
2024-10-01	1204.4	1233.6	1161.6	1200
2024-09-01	1204.4	1233.6	1161.6	1200
2024-08-01	1204.4	1233.6	1161.6	1200
2024-07-01	1204.4	1233.6	1161.6	1200
2024-09-01	1204.4	1233.6	1161.6	1200
2024-05-01	1204.4	1233.6	1161.6	1200
2024-04-01	1204.4	1233.6	1161.6	1200
2024-03-01	1204.4	1233.6	1161.6	1200
2024-02-01	1204.4	1233.6	1161.6	1200
2024-01-01	1204.4	1233.6	1161.6	1200
2023-12-01	1204.4	1233.6	1161.6	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	Chess Vikings Exam Rapid 2023 (B)	2023-11-04	2023-11-04	Rapid	Buffalo City (EBC)	7	7	3	Yes	Analysis
2	BC Chess Trials 5 of 5 2022 (C)	2022-06-11	2022-06-11	Rapid	Buffalo City (EBC)	7	7	3	Yes	Analysis
3	Doringkruin 2019 (U12 Beginners)	2019-06-08	2019-06-08	Standard	Dr Kenneth Kaunda (NWP)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament BC Chess Trials 5 of 5 2022				Tournament BC Chess Trials 5 of 5 2022
		date 2022-06-11	rnd 2	type Rapid	result 0.5	date 2022-06-11	rnd 4	type Rapid	result 1
		Opponent Kriel, A (Anais)				Opponent Gower, L (Logan)
2	3	Tournament Doringkruin 2019				Tournament Doringkruin 2019
		date 2019-06-08	rnd 3	type Standard	result 1	date 2019-06-08	rnd 5	type Standard	result 1
		Opponent Botha, K (Kayla)				Opponent Meyer, L (Lu-Meri)
3	2	Tournament Chess Vikings Exam Rapid 2023				Tournament Chess Vikings Exam Rapid 2023
		date 2023-11-04	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 6	type Rapid	result 1
		Opponent Mahembe, D (Delroy)				Opponent Scheeld, L (Liam)

#	Games	Start				End
1	3	Tournament Doringkruin 2019				Tournament Doringkruin 2019
		date 2019-06-08	rnd 3	type Standard	result 1	date 2019-06-08	rnd 5	type Standard	result 1
		Opponent Botha, K (Kayla)				Opponent Meyer, L (Lu-Meri)
2	1	Tournament Doringkruin 2019				Tournament Doringkruin 2019
		date 2019-06-08	rnd 1	type Standard	result 1	date 2019-06-08	rnd 1	type Standard	result 1
		Opponent Fatola, T (Thoriso)				Opponent Fatola, T (Thoriso)

#	Games	Start				End
1	3	Tournament BC Chess Trials 5 of 5 2022				Tournament BC Chess Trials 5 of 5 2022
		date 2022-06-11	rnd 2	type Rapid	result 0.5	date 2022-06-11	rnd 4	type Rapid	result 1
		Opponent Kriel, A (Anais)				Opponent Gower, L (Logan)
2	2	Tournament Chess Vikings Exam Rapid 2023				Tournament Chess Vikings Exam Rapid 2023
		date 2023-11-04	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 6	type Rapid	result 1
		Opponent Mahembe, D (Delroy)				Opponent Scheeld, L (Liam)
3	1	Tournament Chess Vikings Exam Rapid 2023				Tournament Chess Vikings Exam Rapid 2023
		date 2023-11-04	rnd 3	type Rapid	result 1	date 2023-11-04	rnd 3	type Rapid	result 1
		Opponent Kwatsha, U (Usenathi)				Opponent Kwatsha, U (Usenathi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chess Vikings Exam Rapid 2023				Tournament Chess Vikings Exam Rapid 2023
		date 2023-11-04	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 6	type Rapid	result 1
		Opponent Mahembe, D (Delroy)				Opponent Scheeld, L (Liam)
2	1	Tournament Chess Vikings Exam Rapid 2023				Tournament Chess Vikings Exam Rapid 2023
		date 2023-11-04	rnd 3	type Rapid	result 1	date 2023-11-04	rnd 3	type Rapid	result 1
		Opponent Kwatsha, U (Usenathi)				Opponent Kwatsha, U (Usenathi)
3	1	Tournament BC Chess Trials 5 of 5 2022				Tournament BC Chess Trials 5 of 5 2022
		date 2022-06-11	rnd 7	type Rapid	result 1	date 2022-06-11	rnd 7	type Rapid	result 1
		Opponent Dayimani, I (Imbo)				Opponent Dayimani, I (Imbo)

#	Games	Start				End
1	1	Tournament Doringkruin 2019				Tournament Doringkruin 2019
		date 2019-06-08	rnd 5	type Standard	result 1	date 2019-06-08	rnd 5	type Standard	result 1
		Opponent Meyer, L (Lu-Meri)				Opponent Meyer, L (Lu-Meri)
2	1	Tournament Doringkruin 2019				Tournament Doringkruin 2019
		date 2019-06-08	rnd 3	type Standard	result 1	date 2019-06-08	rnd 3	type Standard	result 1
		Opponent Botha, K (Kayla)				Opponent Botha, K (Kayla)
3	1	Tournament Doringkruin 2019				Tournament Doringkruin 2019
		date 2019-06-08	rnd 1	type Standard	result 1	date 2019-06-08	rnd 1	type Standard	result 1
		Opponent Fatola, T (Thoriso)				Opponent Fatola, T (Thoriso)

#	Games	Start				End
1	2	Tournament Chess Vikings Exam Rapid 2023				Tournament Chess Vikings Exam Rapid 2023
		date 2023-11-04	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 6	type Rapid	result 1
		Opponent Mahembe, D (Delroy)				Opponent Scheeld, L (Liam)
2	1	Tournament Chess Vikings Exam Rapid 2023				Tournament Chess Vikings Exam Rapid 2023
		date 2023-11-04	rnd 3	type Rapid	result 1	date 2023-11-04	rnd 3	type Rapid	result 1
		Opponent Kwatsha, U (Usenathi)				Opponent Kwatsha, U (Usenathi)
3	1	Tournament BC Chess Trials 5 of 5 2022				Tournament BC Chess Trials 5 of 5 2022
		date 2022-06-11	rnd 7	type Rapid	result 1	date 2022-06-11	rnd 7	type Rapid	result 1
		Opponent Dayimani, I (Imbo)				Opponent Dayimani, I (Imbo)

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	Carney ,A (Arthur)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Carney ,A (Arthur)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
2	Ntili ,A (Atang)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Ntili ,A (Atang)	1	1110.7	685.7	1	1098	685.7	0	0	0	0	0	0
3	Meyer ,L (Lu-Meri)	1	1	425	1	1	425	0	0	0	0	0	0
3	Meyer ,L (Lu-Meri)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Fatola ,T (Thoriso)	1	1	425	1	1	425	0	0	0	0	0	0
4	Fatola ,T (Thoriso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Botha ,K (Kayla)	1	1	425	1	1	425	0	0	0	0	0	0
5	Botha ,K (Kayla)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Wildeman ,J (Jordez)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Wildeman ,J (Jordez)	1	1187.1	762.1	0	0	0	1	1154.8	762.1	0	0	0
7	Kwatsha ,U (Usenathi)	1	1	425	0	0	0	1	1	425	0	0	0
7	Kwatsha ,U (Usenathi)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Gower ,L (Logan)	1	1	425	0	0	0	1	1	425	0	0	0
8	Gower ,L (Logan)	1	1189.3	1614.3	0	0	0	1	1180	1614.3	0	0	0
9	George ,A (Aaron)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	George ,A (Aaron)	1	1466.7	1041.7	0	0	0	1	1416.6	1041.7	0	0	0
10	Wiseman ,L (Luke)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Wiseman ,L (Luke)	1	1158.1	733.1	0	0	0	1	1120	733.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Van Der Merwe, SP (Sebastian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms