Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobsen, D (Dane)

Chess SA id

1150317521

FIDE id

Date of birth

2015-08-07 (U12)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-31

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1198.6	1199.3	1199.1	1200
Raw rating	1198.4	1199.3	1198.7	1200
Weighted rating	1198.6	1199.2	1199.1	1200
Weighted performance	0	0	0	0
Floor	699.9	699.9	700	700
K-factor	40	40	36	36
Min/Max rating change allowed	166.2	166	166.1	165.8
Highest rating	1199.9 2025-03-10	1199.9 2025-03-10	1200 2025-04-01	1200 2025-04-01
Highest raw rating	1199.9 2025-03-10	1199.9 2025-03-10	1200 2025-04-01	1200 2025-04-01
Highest weighted rating	1199.9 2025-03-10	1199.9 2025-03-10	1200 2025-04-01	1200 2025-04-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.1	0	-0.1	0
New rating	1198.5	1199.3	1199	1200
Analysis
Rating	1198.6	1199.3	1199.1	1200
Raw rating	1198.4	1199.3	1198.7	1200
Weighted rating	1198.6	1199.2	1199.1
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	699.9	699.9	700	700
Max/Min rating change allowed	166.2	166	166.1	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	1198.4	1199.3	1198.7	1200
New weighted rating	1198.5	1199.2	1199	1200
New weighted performance	0	0	0	0
Temp new rating	1198.5	1199.3	1199	1200
Temp new rating +/-	-0.1	0	-0.1	0
Final new rating +/-	-0.1	0	-0.1	0
New rating	1198.5	1199.3	1199	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	700	700

Item	Main	Standard	Rapid
	0	0	0
	12	5	7
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	12	5	7

Games since
	Main 12	Standard 5		Rapid 7		Blitz 0
Gender	Male
Age group	U12
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	12	0.5	4.17	-389.6	1204.1	814.6
Standard	5	0	0	-425	1205.6	780.6
Rapid	7	0.5	7.14	-364.3	1203.1	838.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	12	0.5	4.17	-389.6	1204.1	814.6
Standard	5	0	0	-425	1205.6	780.6
Rapid	7	0.5	7.14	-364.3	1203.1	838.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1198.4	1199.3	1198.7	1200
2025-09-01	1198.4	1199.3	1198.7	1200
2025-08-01	1198.4	1199.3	1198.7	1200
2025-07-01	1193.5	1199.3	1191.4	1200
2025-06-01	1199.3	1199.2	1200	1200
2025-05-01	1198.9	1198.8	1200	1200
2025-04-01	1192.7	1192.3	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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	Cape Town Chess Junior League 2025 (U12 Development)	2025-05-23	2025-05-31	Rapid	Cape Town (WCT)	9	7	0.5	Yes	Analysis
2	Western Cape Closed 2025 (U12)	2025-03-08	2025-03-09	Standard	Cape Town (WCT)	6	5	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Junior League 2025 (U12 Development)	2025-05-23	2025-05-31	Rapid	Cape Town (WCT)	9	7	0.5	Yes	Analysis
2	Western Cape Closed 2025 (U12)	2025-03-08	2025-03-09	Standard	Cape Town (WCT)	6	5	0	Yes	Analysis

#	Games	Start				End
1	1	Tournament Cape Town Chess Junior League 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-05-23	rnd 6	type Rapid	result 0.5	date 2025-05-23	rnd 6	type Rapid	result 0.5
		Opponent Coetzee, E (Evan)				Opponent Coetzee, E (Evan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Cape Town Chess Junior League 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-05-23	rnd 6	type Rapid	result 0.5	date 2025-05-23	rnd 6	type Rapid	result 0.5
		Opponent Coetzee, E (Evan)				Opponent Coetzee, E (Evan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

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	Jones ,M (Musfiqah)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Jones ,M (Musfiqah)	1	1196.6	771.6	1	1200	771.6	0	0	0	0	0	0
2	Langenhoven ,J (Jasmin-Grace)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Langenhoven ,J (Jasmin-Grace)	1	1239.3	814.3	1	1242.8	814.3	0	0	0	0	0	0
3	Bergh ,K (Kian)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Bergh ,K (Kian)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Thomas ,M (Maddalena)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Thomas ,M (Maddalena)	1	1192.3	767.3	1	1195.3	767.3	0	0	0	0	0	0
5	Sage ,C (Carlos)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Sage ,C (Carlos)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Nzaramba ,J (Joshua Ishimwe)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Nzaramba ,J (Joshua Ishimwe)	1	1232.5	807.5	0	0	0	1	1272.3	807.5	0	0	0
7	Alexander ,J (Jordan)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Alexander ,J (Jordan)	1	1189.6	764.6	0	0	0	1	1184.6	764.6	0	0	0
8	November ,K (Kunako)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	November ,K (Kunako)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Coetzee ,E (Evan)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
9	Coetzee ,E (Evan)	1	1199.4	1199.4	0	0	0	1	1200	1199.4	0	0	0
10	Absalom ,T (Tyler)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Absalom ,T (Tyler)	1	1199.8	774.8	0	0	0	1	1200	774.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Jacobsen, D (Dane)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms