Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jansen, D (Duncan)

Chess SA id

1130108540

FIDE id

Date of birth

2013-01-03 (U14)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-01-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1165.4	1158.8	1200	1200
Raw rating	1165.4	1158.8	1200	1200
Weighted rating	1165.4	1158.7	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	174.2	175.8	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	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	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1165.4	1158.8	1200	1200
Analysis
Rating	1165.4	1158.8	1200	1200
Raw rating	1165.4	1158.8	1200	1200
Weighted rating	1165.4	1158.7	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	174.2	175.8	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	1165.4	1158.8	1200	1200
New weighted rating	1165.4	1158.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1165.4	1158.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1165.4	1158.8	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	5	5
	9	9
	0	0
	0	0
History	14	14

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Eden (WEG)
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	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	14	5	35.71	-121.4	1238.5	1117.1
Standard	14	5	35.71	-121.4	1238.5	1117.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1165.4	1158.8	1200	1200
2025-09-30	1165.4	1158.8	1200	1200
2025-09-01	1165.4	1158.8	1200	1200
2025-08-01	1165.4	1158.8	1200	1200
2025-07-01	1165.4	1158.8	1200	1200
2025-06-01	1165.4	1158.8	1200	1200
2025-05-01	1165.4	1158.8	1200	1200
2025-04-01	1165.4	1158.8	1200	1200
2025-03-01	1165.4	1158.8	1200	1200
2025-02-01	1165.4	1158.8	1200	1200
2025-01-01	1165.4	1158.8	1200	1200
2024-12-01	1165.4	1158.8	1200	1200
2024-11-01	1165.4	1158.8	1200	1200
2024-10-01	1165.4	1158.8	1200	1200
2024-09-01	1165.4	1158.8	1200	1200
2024-08-01	1165.4	1158.8	1200	1200
2024-07-01	1165.4	1158.8	1200	1200
2024-09-01	1165.4	1158.8	1200	1200
2024-05-01	1165.4	1158.8	1200	1200
2024-04-01	1165.4	1158.8	1200	1200
2024-03-01	1165.4	1158.8	1200	1200
2024-02-01	1165.4	1158.8	1200	1200
2024-01-01	1160.8	1149.6	1200	1200
2023-12-01	1160.8	1149.6	1200	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	Hessequa Proewe 1 2024 (U11 Boys)	2024-01-27	2024-01-27	Standard	Eden (WEG)	5	5	2	Yes	Analysis
2	Eden Trails 1 2023 (U11 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	4	1.5	Yes	Analysis
3	Hessequa Proewe 1 2023 (O11 Seuns)	2023-01-28	2023-01-28	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
4	Hessequa Proewe 2 2019 (O10)	2019-02-16	2019-02-16	Standard	Eden (WEG)	5	0	0	No	Analysis

#	Games	Start				End
1	3	Tournament Eden Trails 1 2023				Tournament Hessequa Proewe 1 2024
		date 2023-03-11	rnd 3	type Standard	result 0.5	date 2024-01-27	rnd 1	type Standard	result 1
		Opponent Meyer, X (Xaydin)				Opponent Vaaltyn, D (Daylin)
2	1	Tournament Hessequa Proewe 1 2024				Tournament Hessequa Proewe 1 2024
		date 2024-01-27	rnd 5	type Standard	result 1	date 2024-01-27	rnd 5	type Standard	result 1
		Opponent Raven, C (Cai)				Opponent Raven, C (Cai)
3	1	Tournament Hessequa Proewe 1 2023				Tournament Hessequa Proewe 1 2023
		date 2023-01-28	rnd 5	type Standard	result 0.5	date 2023-01-28	rnd 5	type Standard	result 0.5
		Opponent Uithaler, D (Duraycan)				Opponent Uithaler, D (Duraycan)

#	Games	Start				End
1	3	Tournament Eden Trails 1 2023				Tournament Hessequa Proewe 1 2024
		date 2023-03-11	rnd 3	type Standard	result 0.5	date 2024-01-27	rnd 1	type Standard	result 1
		Opponent Meyer, X (Xaydin)				Opponent Vaaltyn, D (Daylin)
2	1	Tournament Hessequa Proewe 1 2024				Tournament Hessequa Proewe 1 2024
		date 2024-01-27	rnd 5	type Standard	result 1	date 2024-01-27	rnd 5	type Standard	result 1
		Opponent Raven, C (Cai)				Opponent Raven, C (Cai)
3	1	Tournament Hessequa Proewe 1 2023				Tournament Hessequa Proewe 1 2023
		date 2023-01-28	rnd 5	type Standard	result 0.5	date 2023-01-28	rnd 5	type Standard	result 0.5
		Opponent Uithaler, D (Duraycan)				Opponent Uithaler, D (Duraycan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Eden Trails 1 2023				Tournament Hessequa Proewe 1 2024
		date 2023-03-11	rnd 4	type Standard	result 1	date 2024-01-27	rnd 1	type Standard	result 1
		Opponent Van Wyk, B (Brendon)				Opponent Vaaltyn, D (Daylin)
2	1	Tournament Hessequa Proewe 1 2024				Tournament Hessequa Proewe 1 2024
		date 2024-01-27	rnd 5	type Standard	result 1	date 2024-01-27	rnd 5	type Standard	result 1
		Opponent Raven, C (Cai)				Opponent Raven, C (Cai)
3	1	Tournament Hessequa Proewe 1 2023				Tournament Hessequa Proewe 1 2023
		date 2023-01-28	rnd 2	type Standard	result 1	date 2023-01-28	rnd 2	type Standard	result 1
		Opponent Kortje, B (Brintley)				Opponent Kortje, B (Brintley)

#	Games	Start				End
1	2	Tournament Eden Trails 1 2023				Tournament Hessequa Proewe 1 2024
		date 2023-03-11	rnd 4	type Standard	result 1	date 2024-01-27	rnd 1	type Standard	result 1
		Opponent Van Wyk, B (Brendon)				Opponent Vaaltyn, D (Daylin)
2	1	Tournament Hessequa Proewe 1 2024				Tournament Hessequa Proewe 1 2024
		date 2024-01-27	rnd 5	type Standard	result 1	date 2024-01-27	rnd 5	type Standard	result 1
		Opponent Raven, C (Cai)				Opponent Raven, C (Cai)
3	1	Tournament Hessequa Proewe 1 2023				Tournament Hessequa Proewe 1 2023
		date 2023-01-28	rnd 2	type Standard	result 1	date 2023-01-28	rnd 2	type Standard	result 1
		Opponent Kortje, B (Brintley)				Opponent Kortje, B (Brintley)

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	Uithaler ,D (Duraycan)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Uithaler ,D (Duraycan)	2	1162.6	950.1	2	1145	950.1	0	0	0	0	0	0
2	Raven ,C (Cai)	1	1	425	1	1	425	0	0	0	0	0	0
2	Raven ,C (Cai)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Moolman ,E (Elzevir)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Moolman ,E (Elzevir)	1	1393.1	968.1	1	1361.3	968.1	0	0	0	0	0	0
4	Meyer ,X (Xaydin)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Meyer ,X (Xaydin)	1	1138.4	1138.4	1	1134.2	1138.4	0	0	0	0	0	0
5	Moos ,C (Chad)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Moos ,C (Chad)	1	1228.7	803.7	1	1234.8	803.7	0	0	0	0	0	0
6	Sameuls ,S (Siyanda)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Sameuls ,S (Siyanda)	1	1120.3	695.3	1	1084.8	695.3	0	0	0	0	0	0
7	Kortje ,B (Brintley)	1	1	425	1	1	425	0	0	0	0	0	0
7	Kortje ,B (Brintley)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Grace ,S (Shane-Lee)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Grace ,S (Shane-Lee)	1	1404	979	1	1414.4	979	0	0	0	0	0	0
9	Van Wyk ,B (Brendon)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Wyk ,B (Brendon)	1	1166.8	1591.8	1	1160	1591.8	0	0	0	0	0	0
10	Vaaltyn ,D (Daylin)	1	1	425	1	1	425	0	0	0	0	0	0
10	Vaaltyn ,D (Daylin)	1	1126.3	1551.3	1	1126.4	1551.3	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

Jansen, 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