Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, D (Dante)

Chess SA id

1120138429

FIDE id

Date of birth

2012-02-02 (U14)

Gender

Male

Region

Overberg (WOS)

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	1087	1063.6	1176.5	1200
Raw rating	1087	1063.6	1176.5	1200
Weighted rating	1086.9	1063.5	1174.5	1200
Weighted performance	828.3	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	194.8	201.4	171.5	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1206.4 2023-03-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1206.4 2023-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1087	1063.6	1176.5	1200
Analysis
Rating	1087	1063.6	1176.5	1200
Raw rating	1087	1063.6	1176.5	1200
Weighted rating	1086.9	1063.5	1174.5
Weighted performance	828.3	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	194.8	201.4	171.5	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	1087	1063.6	1176.5	1200
New weighted rating	1086.9	1063.5	1174.5	1200
New weighted performance	827.9	0	0	0
Temp new rating	1087	1063.6	1176.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1087	1063.6	1176.5	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	6	0	6
	5	0	5
	21	10	11
	8	8	0
	0	0	0
History	40	18	22

Games since
	Main 11	Standard 0		Rapid 11		Blitz 0
Gender	Male
Age group	U14
Region	Overberg (WOS)
Province	Western Cape (WC)
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	6	2	33.33	-141.7	1215.3	1073.6
Standard	0	0	0	0	0	0
Rapid	6	2	33.33	-141.7	1215.3	1073.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	40	13	32.5	-148.8	1200.6	1051.9
Standard	18	3.5	19.44	-259.7	1218.8	959
Rapid	22	9.5	43.18	-58	1185.7	1127.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1087	1063.6	1176.5	1200
2025-09-01	1087	1063.6	1176.5	1200
2025-08-01	1087	1063.6	1176.5	1200
2025-07-01	1087	1063.6	1176.5	1200
2025-06-01	1087	1063.6	1176.5	1200
2025-05-01	1087	1063.6	1176.5	1200
2025-04-01	1087	1063.6	1176.5	1200
2025-03-01	1086.9	1063.6	1175	1200
2025-02-01	1087.2	1063.6	1177.2	1200
2025-01-01	1086.9	1063.2	1168	1200
2024-12-01	1086.9	1063.2	1168	1200
2024-11-01	1086.9	1063.2	1168	1200
2024-10-01	1086.9	1063.2	1168	1200
2024-09-01	1086.9	1063.2	1168	1200
2024-08-01	1086.9	1063.2	1168	1200
2024-07-01	1086.9	1063.2	1168	1200
2024-06-01	1086.9	1063.2	1168	1200
2024-08-01	1086.9	1063.2	1168	1200
2024-04-01	1086.9	1063.2	1168	1200
2024-03-01	1085.9	1063.2	1198.4	1200
2024-02-01	1085.9	1063.2	1198.4	1200
2024-01-01	1085.9	1063.2	1198.4	1200
2023-12-01	1085.9	1063.2	1198.4	1200
2023-11-01	1085.9	1063.2	1198.4	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	Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	2	Yes	Analysis
2	Overberg Schools - PS Trials Region 3 2024 (U13 Boys)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
3	Overberg Top Schools 2023 (U11)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	1	Yes	Analysis
4	Overberg School Chess Closed Tournament 2023 (U11 Boys)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	1	Yes	Analysis
5	Overberg Primary School Trials (Region 2)	2023-02-24	2023-03-10	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis
6	Overberg Schools Open Tournament 2023 (U12)	2023-02-11	2023-02-11	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
7	Overberg Topskole 2022 (O11)	2022-08-30	2022-08-30	Standard	Overberg (WOS)	6	4	1.5	Yes	Analysis
8	Overberg Primary Schools Closed 2022 (U11 Boys)	2022-03-12	2022-03-12	Standard	Overberg (WOS)	5	4	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-03-10	rnd 5	type Rapid	result 0.5
		Opponent Foster, Z (Zachary)				Opponent Drury, R (Riko)
2	2	Tournament Overberg Topskole 2022				Tournament Overberg Topskole 2022
		date 2022-08-30	rnd 2	type Standard	result 0.5	date 2022-08-30	rnd 3	type Standard	result 1
		Opponent Nqoza, U (Usenathi)				Opponent Diederiks, K (Katryn)
3	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Weideman, M (Matthew)				Opponent Weideman, M (Matthew)

#	Games	Start				End
1	2	Tournament Overberg Topskole 2022				Tournament Overberg Topskole 2022
		date 2022-08-30	rnd 2	type Standard	result 0.5	date 2022-08-30	rnd 3	type Standard	result 1
		Opponent Nqoza, U (Usenathi)				Opponent Diederiks, K (Katryn)
2	1	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 5	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Stevens, DA (Danielle-Ann)				Opponent Stevens, DA (Danielle-Ann)
3	1	Tournament Overberg School Chess Closed Tournament 2023				Tournament Overberg School Chess Closed Tournament 2023
		date 2023-03-25	rnd 3	type Standard	result 1	date 2023-03-25	rnd 3	type Standard	result 1
		Opponent Drury, R (Riko)				Opponent Drury, R (Riko)

#	Games	Start				End
1	3	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-03-10	rnd 5	type Rapid	result 0.5
		Opponent Foster, Z (Zachary)				Opponent Drury, R (Riko)
2	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Weideman, M (Matthew)				Opponent Weideman, M (Matthew)
3	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Prins, C (Christiaan)				Opponent Prins, C (Christiaan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-03-10	rnd 4	type Rapid	result 1
		Opponent Foster, Z (Zachary)				Opponent Conde, L (Luc)
2	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Weideman, M (Matthew)				Opponent Weideman, M (Matthew)
3	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Prins, C (Christiaan)				Opponent Prins, C (Christiaan)

#	Games	Start				End
1	1	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 5	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Stevens, DA (Danielle-Ann)				Opponent Stevens, DA (Danielle-Ann)
2	1	Tournament Overberg School Chess Closed Tournament 2023				Tournament Overberg School Chess Closed Tournament 2023
		date 2023-03-25	rnd 3	type Standard	result 1	date 2023-03-25	rnd 3	type Standard	result 1
		Opponent Drury, R (Riko)				Opponent Drury, R (Riko)
3	1	Tournament Overberg Topskole 2022				Tournament Overberg Topskole 2022
		date 2022-08-30	rnd 3	type Standard	result 1	date 2022-08-30	rnd 3	type Standard	result 1
		Opponent Diederiks, K (Katryn)				Opponent Diederiks, K (Katryn)

#	Games	Start				End
1	2	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-03-10	rnd 4	type Rapid	result 1
		Opponent Foster, Z (Zachary)				Opponent Conde, L (Luc)
2	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Weideman, M (Matthew)				Opponent Weideman, M (Matthew)
3	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Prins, C (Christiaan)				Opponent Prins, C (Christiaan)

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	Drury ,R (Riko)	3	2.5	283.3	1	1	425	2	1.5	212.5	0	0	0
1	Drury ,R (Riko)	3	1086.3	1369.6	1	1092.4	1511.3	2	1092.2	1298.8	0	0	0
2	Conde ,L (Luc)	2	1	0	1	0	-425	1	1	425	0	0	0
2	Conde ,L (Luc)	2	1200	1200	1	1200	775	1	1200	1625	0	0	0
3	Erasmus ,A (Ashton)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Erasmus ,A (Ashton)	2	1227.2	802.2	1	1200	802.2	1	1284.6	802.2	0	0	0
4	Groenewald ,C (Christiaan)	2	1	0	0	0	0	2	1	0	0	0	0
4	Groenewald ,C (Christiaan)	2	1250.2	1250.2	0	0	0	2	1214.2	1250.2	0	0	0
5	Stevens ,DA (Danielle-Ann)	1	1	425	1	1	425	0	0	0	0	0	0
5	Stevens ,DA (Danielle-Ann)	1	1348.4	1773.4	1	1347.3	1773.4	0	0	0	0	0	0
6	Van Zyl ,J (Johannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Van Zyl ,J (Johannes)	1	1208.4	783.4	1	1196.8	783.4	0	0	0	0	0	0
7	Diederiks ,K (Katryn)	1	1	425	1	1	425	0	0	0	0	0	0
7	Diederiks ,K (Katryn)	1	1156.3	1581.3	1	1166	1581.3	0	0	0	0	0	0
8	Koppies ,A (Adrian)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Koppies ,A (Adrian)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Fisher ,H (Heinz)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Fisher ,H (Heinz)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Ntontelo ,K (Khazimla)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ntontelo ,K (Khazimla)	1	1422.8	997.8	1	1481	997.8	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

Van Der Merwe, D (Dante)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms