Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, T (Theuns)

Chess SA id

105087127

FIDE id

Date of birth

2005-09-09 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1223	1174.8	1224.8	1166
Raw rating	1223	1174.8	1224.8	1166
Weighted rating	1223	1174.8	1224.8	1166
Weighted performance	874.7	635.6	0	0
Floor	723	700	724.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.5	171.9	160.1	174
Highest rating	1227.7 2019-07-01	1200 2018-10-01	1224.8 2024-02-01	1200 2018-10-01
Highest raw rating	1223 2024-02-01	1200 2018-02-01	1224.8 2024-02-01	1200 2020-01-01
Highest weighted rating	1223 2025-07-01	1200 2018-10-01	1224.8 2025-06-01	1200 2018-10-01
Highest weighted performance	1227.7 2019-07-01	1200 2018-02-01	1200 2020-01-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1223	1174.8	1224.8	1166
Analysis
Rating	1223	1174.8	1224.8	1166
Raw rating	1223	1174.8	1224.8	1166
Weighted rating	1223	1174.8	1224.8
Weighted performance	874.7	635.6	0
K-factor	36	36	36	36
Floor	723	700	724.8	700
Max/Min rating change allowed	160.5	171.9	160.1	174
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	1223	1174.8	1224.8	1166
New weighted rating	1223	1174.8	1224.8	1166
New weighted performance	867	628.7	0	0
Temp new rating	1223	1174.8	1224.8	1166
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1223	1174.8	1224.8	1166
New K-factor	36	36	36	36
New floor	723	700	724.8	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	16	11	5	0
	9	0	9	0
	0	0	0	0
History	54	26	19	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	49	24	48.98	-8.7	1193.3	1184.6
Standard	26	12	46.15	-32.7	1188.4	1155.7
Rapid	14	7.5	53.57	30.4	1229.2	1259.6
Blitz	9	4.5	50	0	1151.3	1151.3

Date	Main	Standard	Rapid	Blitz
2025-11-01	1223	1174.8	1224.8	1166
2025-09-30	1223	1174.8	1224.8	1166
2025-09-01	1223	1174.8	1224.8	1166
2025-08-01	1223	1174.8	1224.8	1166
2025-07-01	1223	1174.8	1224.8	1166
2025-06-01	1223	1174.8	1224.8	1166
2025-05-01	1223	1174.8	1224.8	1166
2025-04-01	1223	1174.8	1224.8	1166
2025-03-01	1223	1174.8	1224.8	1166
2025-02-01	1223	1174.8	1224.8	1166
2025-01-01	1223	1174.8	1224.8	1166
2024-12-01	1223	1174.8	1224.8	1166
2024-11-01	1223	1174.8	1224.8	1166
2024-10-01	1223	1174.8	1224.8	1166
2024-09-01	1223	1174.8	1224.8	1166
2024-08-01	1223	1174.8	1224.8	1166
2024-07-01	1223	1174.8	1224.8	1166
2024-09-01	1223	1174.8	1224.8	1166
2024-05-01	1223	1174.8	1224.8	1166
2024-04-01	1223	1174.8	1224.8	1166
2024-03-01	1223	1174.8	1224.8	1166
2024-02-01	1223	1174.8	1224.8	1166
2024-01-01	1223	1174.8	1224.8	1166
2023-12-01	1223	1174.8	1224.8	1166

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	DF Malan Toernooi 2023 (Advanced)	2023-08-05	2023-08-05	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
2	CT Metro District North Top Schools Chess 2023 (U18 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	5	4.5	Yes	Analysis
3	Cape Town Metro Schools Chess Closed Individuals 2023 (U19 Boys)	2023-03-03	2023-03-04	Standard	Cape Town (WCT)	6	0	0	No	Analysis
4	North District School Trials 2023 (U19 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
5	Metro Rapid 2022 (U18 Boys)	2022-10-22	2022-10-22	Rapid	Cape Town (WCT)	4	3	0	Yes	Analysis
6	District North 2022 (U18)	2022-03-06	2022-03-06	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
7	Paul Roos Blitz 2020	2020-02-22	2020-02-22	Blitz	Cape Winelands (WCW)	9	9	4.5	Yes	Analysis
8	Metro North Individual Trials 2020 (U15)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
9	Western Cape Top Schools 2019 (U15 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
10	2019 WP Youth Open (C)	2019-07-13	2019-07-13	Standard	Cape Town (WCT)	5	4	2.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament North District School Trials 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-02-04	rnd 6	type Standard	result 0.5	date 2023-07-29	rnd 5	type Rapid	result 0.5
		Opponent Visagie, W (Willem)				Opponent Visagie, W (Willem)
2	3	Tournament DF Malan Toernooi 2023				Tournament DF Malan Toernooi 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Devenish, R (Ruben)				Opponent Hagen, D (Dirk)
3	3	Tournament Paul Roos Blitz 2020				Tournament District North 2022
		date 2020-02-22	rnd 9	type Blitz	result 1	date 2022-03-06	rnd 2	type Rapid	result 1
		Opponent Booysen, T (Timica)				Opponent Franzman, A (Archard)

#	Games	Start				End
1	3	Tournament DF Malan Toernooi 2023				Tournament DF Malan Toernooi 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Devenish, R (Ruben)				Opponent Hagen, D (Dirk)
2	3	Tournament 2019 WP Youth Open				Tournament Western Cape Top Schools 2019
		date 2019-07-13	rnd 4	type Standard	result 1	date 2019-08-31	rnd 1	type Standard	result 1
		Opponent Osborne, N (Nicole)				Opponent Jacobs, M (Menwill)
3	2	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Pretorius, C (Carl)				Opponent Wessie, V (Vaughan)

#	Games	Start				End
1	5	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 5	type Rapid	result 0.5
		Opponent Stevens, L (Lucas)				Opponent Visagie, W (Willem)
2	2	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 1	type Rapid	result 1	date 2022-03-06	rnd 2	type Rapid	result 1
		Opponent Jo, S (Sinazo)				Opponent Franzman, A (Archard)
3	1	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 5	type Rapid	result 1	date 2022-03-06	rnd 5	type Rapid	result 1
		Opponent Swartz, C (Chadwin)				Opponent Swartz, C (Chadwin)

#	Games	Start				End
1	2	Tournament Paul Roos Blitz 2020				Tournament Paul Roos Blitz 2020
		date 2020-02-22	rnd 5	type Blitz	result 0.5	date 2020-02-22	rnd 6	type Blitz	result 1
		Opponent Adams, E (Ethan)				Opponent Byrne, K (Kyle)
2	2	Tournament Paul Roos Blitz 2020				Tournament Paul Roos Blitz 2020
		date 2020-02-22	rnd 2	type Blitz	result 1	date 2020-02-22	rnd 3	type Blitz	result 1
		Opponent Christians, M (Matthew)				Opponent Erasmus, E (Earl)
3	1	Tournament Paul Roos Blitz 2020				Tournament Paul Roos Blitz 2020
		date 2020-02-22	rnd 9	type Blitz	result 1	date 2020-02-22	rnd 9	type Blitz	result 1
		Opponent Booysen, T (Timica)				Opponent Booysen, T (Timica)

#	Games	Start				End
1	4	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 4	type Rapid	result 1
		Opponent Stevens, L (Lucas)				Opponent Meyer, P (Phillip)
2	3	Tournament DF Malan Toernooi 2023				Tournament DF Malan Toernooi 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Devenish, R (Ruben)				Opponent Hagen, D (Dirk)
3	3	Tournament Paul Roos Blitz 2020				Tournament District North 2022
		date 2020-02-22	rnd 9	type Blitz	result 1	date 2022-03-06	rnd 2	type Rapid	result 1
		Opponent Booysen, T (Timica)				Opponent Franzman, A (Archard)

#	Games	Start				End
1	3	Tournament DF Malan Toernooi 2023				Tournament DF Malan Toernooi 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Devenish, R (Ruben)				Opponent Hagen, D (Dirk)
2	2	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Pretorius, C (Carl)				Opponent Wessie, V (Vaughan)
3	2	Tournament Metro North Individual Trials 2020				Tournament Metro North Individual Trials 2020
		date 2020-02-07	rnd 2	type Standard	result 1	date 2020-02-08	rnd 3	type Standard	result 1
		Opponent Mazolwana, L (Luyola)				Opponent Smith, J (Joedy)

#	Games	Start				End
1	4	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 4	type Rapid	result 1
		Opponent Stevens, L (Lucas)				Opponent Meyer, P (Phillip)
2	2	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 1	type Rapid	result 1	date 2022-03-06	rnd 2	type Rapid	result 1
		Opponent Jo, S (Sinazo)				Opponent Franzman, A (Archard)
3	1	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 5	type Rapid	result 1	date 2022-03-06	rnd 5	type Rapid	result 1
		Opponent Swartz, C (Chadwin)				Opponent Swartz, C (Chadwin)

#	Games	Start				End
1	2	Tournament Paul Roos Blitz 2020				Tournament Paul Roos Blitz 2020
		date 2020-02-22	rnd 2	type Blitz	result 1	date 2020-02-22	rnd 3	type Blitz	result 1
		Opponent Christians, M (Matthew)				Opponent Erasmus, E (Earl)
2	1	Tournament Paul Roos Blitz 2020				Tournament Paul Roos Blitz 2020
		date 2020-02-22	rnd 9	type Blitz	result 1	date 2020-02-22	rnd 9	type Blitz	result 1
		Opponent Booysen, T (Timica)				Opponent Booysen, T (Timica)
3	1	Tournament Paul Roos Blitz 2020				Tournament Paul Roos Blitz 2020
		date 2020-02-22	rnd 6	type Blitz	result 1	date 2020-02-22	rnd 6	type Blitz	result 1
		Opponent Byrne, K (Kyle)				Opponent Byrne, K (Kyle)

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	Visagie ,W (Willem)	2	1	0	1	0.5	0	1	0.5	0	0	0	0
1	Visagie ,W (Willem)	2	1313.7	1313.7	1	1280.6	1313.7	1	1272	1313.7	0	0	0
2	Smith ,J (Joedy)	1	1	425	1	1	425	0	0	0	0	0	0
2	Smith ,J (Joedy)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Devenish ,R (Ruben)	1	1	425	1	1	425	0	0	0	0	0	0
3	Devenish ,R (Ruben)	1	1189	1614	1	1200	1614	0	0	0	0	0	0
4	Hagen ,D (Dirk)	1	1	425	1	1	425	0	0	0	0	0	0
4	Hagen ,D (Dirk)	1	1181	1606	1	1174	1606	0	0	0	0	0	0
5	Sterley ,B (Boaz)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Sterley ,B (Boaz)	1	1129.3	1129.3	1	918.4	1129.3	0	0	0	0	0	0
6	Sarels ,M (Michaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Sarels ,M (Michaan)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Reynecke ,A (Andor)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Reynecke ,A (Andor)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Rabiu ,A (Abdul Hamid)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Rabiu ,A (Abdul Hamid)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Wessie ,V (Vaughan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Wessie ,V (Vaughan)	1	546.8	971.8	1	538.8	971.8	0	0	0	0	0	0
10	Mnyasta ,T (Tezihano)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mnyasta ,T (Tezihano)	1	1915.2	1490.2	1	1917	1490.2	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 Der Merwe, T (Theuns)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms