Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Rooyen, D (Duncan)

Chess SA id

1100143979

FIDE id

Date of birth

2010-04-20 (U16)

Gender

Male

Region

Gert Sibande (MGS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-04-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1262.1	1200	1274.3	1200
Raw rating	1262.1	1200	1274.3	1200
Weighted rating	1260.8	1200	1271.2	1200
Weighted performance	893	0	932	0
Floor	775.9	700	802.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.8	165.8	149.2	165.8
Highest rating	1339.4 2022-08-01	1200 2018-10-01	1413.6 2022-08-01	1200 2018-10-01
Highest raw rating	1275.9 2024-02-01	1200 2024-02-01	1302.2 2024-02-01	1200 2024-02-01
Highest weighted rating	1275.9 2024-05-01	1200 2018-10-01	1302.2 2024-04-01	1200 2018-10-01
Highest weighted performance	1339.4 2022-08-01	1200 2024-02-01	1413.6 2022-08-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1262.1	1200	1274.3	1200
Analysis
Rating	1262.1	1200	1274.3	1200
Raw rating	1262.1	1200	1274.3	1200
Weighted rating	1260.8	1200	1271.2
Weighted performance	893	0	932
K-factor	36	36	36	36
Floor	775.9	700	802.2	700
Max/Min rating change allowed	151.8	165.8	149.2	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	1262.1	1200	1274.3	1200
New weighted rating	1260.7	1200	1271.1	1200
New weighted performance	892.6	0	931.6	0
Temp new rating	1262.1	1200	1274.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1262.1	1200	1274.3	1200
New K-factor	36	36	36	36
New floor	775.9	700	802.2	700

Item	Main	Rapid
	0	0
	0	0
	5	5
	14	14
	14	14
	0	0
History	33	33

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	Gert Sibande (MGS)
Province	Mpumalanga (MP)
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	33	20.5	62.12	103	1194.6	1297.6
Standard	0	0	0	0	0	0
Rapid	33	20.5	62.12	103	1194.6	1297.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1262.1	1200	1274.3	1200
2025-09-01	1262.1	1200	1274.3	1200
2025-08-01	1262.1	1200	1274.3	1200
2025-07-01	1262.1	1200	1274.3	1200
2025-06-01	1262.1	1200	1274.3	1200
2025-05-01	1262.1	1200	1274.3	1200
2025-04-01	1262.1	1200	1274.3	1200
2025-03-01	1262.1	1200	1274.3	1200
2025-02-01	1261.7	1200	1273.9	1200
2025-01-01	1255.4	1200	1259	1200
2024-12-01	1255.4	1200	1259	1200
2024-11-01	1255.4	1200	1259	1200
2024-10-01	1255.4	1200	1259	1200
2024-09-01	1255.4	1200	1259	1200
2024-08-01	1255.4	1200	1259	1200
2024-07-01	1255.4	1200	1259	1200
2024-06-01	1255.4	1200	1259	1200
2024-08-01	1255.4	1200	1259	1200
2024-04-01	1275.9	1200	1302.2	1200
2024-03-01	1275.9	1200	1302.2	1200
2024-02-01	1275.9	1200	1302.2	1200
2024-01-01	1275.9	1200	1302.2	1200
2023-12-01	1275.9	1200	1302.2	1200
2023-11-01	1275.9	1200	1302.2	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	NWU Super 16 2024	2024-04-19	2024-04-19	Rapid	Gert Sibande (MGS)	6	5	2	Yes	Analysis
2	Highveld Ridge West 2023 (U13)	2023-08-09	2023-08-09	Rapid	Gert Sibande (MGS)	5	4	3	Yes	Analysis
3	Govin Mbeki Teams Chess Tournament 2023 (U13 Open)	2023-08-18	2023-08-18	Rapid	Gert Sibande (MGS)	5	5	3	Yes	Analysis
4	Ho�veldgroep 2023 (O13)	2023-07-28	2023-07-28	Rapid	Gert Sibande (MGS)	5	5	3	Yes	Analysis
5	Govan Mbeki Uitspele 2022 (O13B-Spanne)	2022-08-12	2022-08-12	Rapid	Gert Sibande (MGS)	5	5	3	Yes	Analysis
6	Gert Sibande Finaal 2022 (O13B-Spanne)	2022-08-19	2022-08-19	Rapid	Gert Sibande (MGS)	5	5	4.5	Yes	Analysis
7	Hoeveldgroep 2022 (O13B)	2022-07-29	2022-07-29	Rapid	Gert Sibande (MGS)	5	4	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament Govan Mbeki Uitspele 2022				Tournament Gert Sibande Finaal 2022
		date 2022-08-12	rnd 5	type Rapid	result 1	date 2022-08-19	rnd 5	type Rapid	result 0.5
		Opponent Crowley, K (Kyle)				Opponent Nel, A (Awian)
2	4	Tournament Highveld Ridge West 2023				Tournament Govin Mbeki Teams Chess Tournament 2023
		date 2023-08-09	rnd 2	type Rapid	result 1	date 2023-08-18	rnd 1	type Rapid	result 1
		Opponent Mthimkulu, A (Angel)				Opponent Erasmus, C (Carli)
3	4	Tournament Hoeveldgroep 2022				Tournament Govan Mbeki Uitspele 2022
		date 2022-07-29	rnd 5	type Rapid	result 1	date 2022-08-12	rnd 3	type Rapid	result 1
		Opponent Boloko, M (Mpake)				Opponent Kgengwe, P (Phimi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Govan Mbeki Uitspele 2022				Tournament Gert Sibande Finaal 2022
		date 2022-08-12	rnd 5	type Rapid	result 1	date 2022-08-19	rnd 5	type Rapid	result 0.5
		Opponent Crowley, K (Kyle)				Opponent Nel, A (Awian)
2	4	Tournament Highveld Ridge West 2023				Tournament Govin Mbeki Teams Chess Tournament 2023
		date 2023-08-09	rnd 2	type Rapid	result 1	date 2023-08-18	rnd 1	type Rapid	result 1
		Opponent Mthimkulu, A (Angel)				Opponent Erasmus, C (Carli)
3	4	Tournament Hoeveldgroep 2022				Tournament Govan Mbeki Uitspele 2022
		date 2022-07-29	rnd 5	type Rapid	result 1	date 2022-08-12	rnd 3	type Rapid	result 1
		Opponent Boloko, M (Mpake)				Opponent Kgengwe, P (Phimi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Govan Mbeki Uitspele 2022				Tournament Gert Sibande Finaal 2022
		date 2022-08-12	rnd 5	type Rapid	result 1	date 2022-08-19	rnd 4	type Rapid	result 1
		Opponent Crowley, K (Kyle)				Opponent Ngwenya, S (Siyabonga)
2	4	Tournament Highveld Ridge West 2023				Tournament Govin Mbeki Teams Chess Tournament 2023
		date 2023-08-09	rnd 2	type Rapid	result 1	date 2023-08-18	rnd 1	type Rapid	result 1
		Opponent Mthimkulu, A (Angel)				Opponent Erasmus, C (Carli)
3	2	Tournament Govin Mbeki Teams Chess Tournament 2023				Tournament NWU Super 16 2024
		date 2023-08-18	rnd 5	type Rapid	result 1	date 2024-04-19	rnd 1	type Rapid	result 1
		Opponent Reddi, K (Kelvin)				Opponent Mokgoja, K (Katlego)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Govan Mbeki Uitspele 2022				Tournament Gert Sibande Finaal 2022
		date 2022-08-12	rnd 5	type Rapid	result 1	date 2022-08-19	rnd 4	type Rapid	result 1
		Opponent Crowley, K (Kyle)				Opponent Ngwenya, S (Siyabonga)
2	4	Tournament Highveld Ridge West 2023				Tournament Govin Mbeki Teams Chess Tournament 2023
		date 2023-08-09	rnd 2	type Rapid	result 1	date 2023-08-18	rnd 1	type Rapid	result 1
		Opponent Mthimkulu, A (Angel)				Opponent Erasmus, C (Carli)
3	2	Tournament Govin Mbeki Teams Chess Tournament 2023				Tournament NWU Super 16 2024
		date 2023-08-18	rnd 5	type Rapid	result 1	date 2024-04-19	rnd 1	type Rapid	result 1
		Opponent Reddi, K (Kelvin)				Opponent Mokgoja, K (Katlego)

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	Leskiewkz ,K (Kaiden)	3	1	-141.7	0	0	0	3	1	-141.7	0	0	0
1	Leskiewkz ,K (Kaiden)	3	1209.2	1067.5	0	0	0	3	1216.8	1067.5	0	0	0
2	De Kock ,A (Alexander)	3	1	-141.7	0	0	0	3	1	-141.7	0	0	0
2	De Kock ,A (Alexander)	3	1232	1090.3	0	0	0	3	1253.3	1090.3	0	0	0
3	Polenakis ,N (Nicholas)	2	0.5	-212.5	0	0	0	2	0.5	-212.5	0	0	0
3	Polenakis ,N (Nicholas)	2	1212	999.5	0	0	0	2	1220	999.5	0	0	0
4	Erasmus ,C (Carli)	2	2	425	0	0	0	2	2	425	0	0	0
4	Erasmus ,C (Carli)	2	1126.8	1551.8	0	0	0	2	1105	1551.8	0	0	0
5	Webb ,L (Logan)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
5	Webb ,L (Logan)	2	1175	1387.5	0	0	0	2	1158.4	1387.5	0	0	0
6	Crowley ,K (Kyle)	1	1	425	0	0	0	1	1	425	0	0	0
6	Crowley ,K (Kyle)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Mokgoja ,K (Katlego)	1	1	425	0	0	0	1	1	425	0	0	0
7	Mokgoja ,K (Katlego)	1	1163.3	1588.3	0	0	0	1	1080	1588.3	0	0	0
8	Ngwenya ,S (Siyabonga)	1	1	425	0	0	0	1	1	425	0	0	0
8	Ngwenya ,S (Siyabonga)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Msibi ,N (Nhlakanipho)	1	1	425	0	0	0	1	1	425	0	0	0
9	Msibi ,N (Nhlakanipho)	1	1154.4	1579.4	0	0	0	1	1125.2	1579.4	0	0	0
10	Berry ,S (Sarel)	1	1	425	0	0	0	1	1	425	0	0	0
10	Berry ,S (Sarel)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Van Rooyen, D (Duncan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms