Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jansen, A (Antoine)

Chess SA id

1070131004

FIDE id

Date of birth

2007-04-13 (U20)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1141.7	1140	1166.4	1200
Raw rating	1141.7	1140	1166.4	1200
Weighted rating	1141.7	1140	1166.4	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	180.2	180.6	173.9	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 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	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1141.7	1140	1166.4	1200
Analysis
Rating	1141.7	1140	1166.4	1200
Raw rating	1141.7	1140	1166.4	1200
Weighted rating	1141.7	1140	1166.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	180.2	180.6	173.9	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	1141.7	1140	1166.4	1200
New weighted rating	1141.7	1140	1166.4	1200
New weighted performance	0	0	0	0
Temp new rating	1141.7	1140	1166.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1141.7	1140	1166.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	11	6	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	11	4.5	40.91	-77.3	1120.8	1043.6
Standard	6	2.5	41.67	-70.8	1031.8	961
Rapid	5	2	40	-85	1227.7	1142.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1141.7	1140	1166.4	1200
2025-09-01	1141.7	1140	1166.4	1200
2025-08-01	1141.7	1140	1166.4	1200
2025-07-01	1141.7	1140	1166.4	1200
2025-06-01	1141.7	1140	1166.4	1200
2025-05-01	1141.7	1140	1166.4	1200
2025-04-01	1141.7	1140	1166.4	1200
2025-03-01	1141.7	1140	1166.4	1200
2025-02-01	1141.7	1140	1166.4	1200
2025-01-01	1141.7	1140	1166.4	1200
2024-12-01	1141.7	1140	1166.4	1200
2024-11-01	1141.7	1140	1166.4	1200
2024-10-01	1141.7	1140	1166.4	1200
2024-09-01	1141.7	1140	1166.4	1200
2024-08-01	1141.7	1140	1166.4	1200
2024-07-01	1141.7	1140	1166.4	1200
2024-06-01	1141.7	1140	1166.4	1200
2024-08-01	1141.7	1140	1166.4	1200
2024-04-01	1141.7	1140	1166.4	1200
2024-03-01	1141.7	1140	1166.4	1200
2024-02-01	1141.7	1140	1166.4	1200
2024-01-01	1141.7	1140	1166.4	1200
2023-12-01	1141.7	1140	1166.4	1200
2023-11-01	1141.7	1140	1166.4	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	Metro North Individual Trials 2020 (U13)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
2	2020 Welgemoed Chess Challenge (U14)	2020-02-29	2020-02-29	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Metro North Individual Trials 2020				Tournament Metro North Individual Trials 2020
		date 2020-02-08	rnd 3	type Standard	result 1	date 2020-02-08	rnd 5	type Standard	result 1
		Opponent Hurford, S (Sienna)				Opponent Abrahams, A (Angelina)
2	1	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-29	rnd 4	type Rapid	result 1	date 2020-02-29	rnd 4	type Rapid	result 1
		Opponent Van Deventer, J (Jacob)				Opponent Van Deventer, J (Jacob)
3	1	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-29	rnd 2	type Rapid	result 1	date 2020-02-29	rnd 2	type Rapid	result 1
		Opponent Owies, F (Fazlin)				Opponent Owies, F (Fazlin)

#	Games	Start				End
1	3	Tournament Metro North Individual Trials 2020				Tournament Metro North Individual Trials 2020
		date 2020-02-08	rnd 3	type Standard	result 1	date 2020-02-08	rnd 5	type Standard	result 1
		Opponent Hurford, S (Sienna)				Opponent Abrahams, A (Angelina)

#	Games	Start				End
1	1	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-29	rnd 4	type Rapid	result 1	date 2020-02-29	rnd 4	type Rapid	result 1
		Opponent Van Deventer, J (Jacob)				Opponent Van Deventer, J (Jacob)
2	1	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-29	rnd 2	type Rapid	result 1	date 2020-02-29	rnd 2	type Rapid	result 1
		Opponent Owies, F (Fazlin)				Opponent Owies, F (Fazlin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-29	rnd 4	type Rapid	result 1	date 2020-02-29	rnd 4	type Rapid	result 1
		Opponent Van Deventer, J (Jacob)				Opponent Van Deventer, J (Jacob)
2	1	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-29	rnd 2	type Rapid	result 1	date 2020-02-29	rnd 2	type Rapid	result 1
		Opponent Owies, F (Fazlin)				Opponent Owies, F (Fazlin)
3	1	Tournament Metro North Individual Trials 2020				Tournament Metro North Individual Trials 2020
		date 2020-02-08	rnd 5	type Standard	result 1	date 2020-02-08	rnd 5	type Standard	result 1
		Opponent Abrahams, A (Angelina)				Opponent Abrahams, A (Angelina)

#	Games	Start				End
1	1	Tournament Metro North Individual Trials 2020				Tournament Metro North Individual Trials 2020
		date 2020-02-08	rnd 5	type Standard	result 1	date 2020-02-08	rnd 5	type Standard	result 1
		Opponent Abrahams, A (Angelina)				Opponent Abrahams, A (Angelina)
2	1	Tournament Metro North Individual Trials 2020				Tournament Metro North Individual Trials 2020
		date 2020-02-08	rnd 3	type Standard	result 1	date 2020-02-08	rnd 3	type Standard	result 1
		Opponent Hurford, S (Sienna)				Opponent Hurford, S (Sienna)

#	Games	Start				End
1	1	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-29	rnd 4	type Rapid	result 1	date 2020-02-29	rnd 4	type Rapid	result 1
		Opponent Van Deventer, J (Jacob)				Opponent Van Deventer, J (Jacob)
2	1	Tournament 2020 Welgemoed Chess Challenge				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-29	rnd 2	type Rapid	result 1	date 2020-02-29	rnd 2	type Rapid	result 1
		Opponent Owies, F (Fazlin)				Opponent Owies, F (Fazlin)

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	Hurford ,S (Sienna)	1	1	425	1	1	425	0	0	0	0	0	0
1	Hurford ,S (Sienna)	1	1139.8	1564.8	1	1118.4	1564.8	0	0	0	0	0	0
2	Stuurman ,C (Carnic)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Stuurman ,C (Carnic)	1	978.4	553.4	1	1016.4	553.4	0	0	0	0	0	0
3	Pekeur ,K (Kylie)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Pekeur ,K (Kylie)	1	1052.5	1052.5	1	1030.8	1052.5	0	0	0	0	0	0
4	Williams ,N (Nicole)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Williams ,N (Nicole)	1	1180.1	755.1	1	1165.6	755.1	0	0	0	0	0	0
5	Johannes ,R (Reagan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Johannes ,R (Reagan)	1	640	215	1	656.2	215	0	0	0	0	0	0
6	Abrahams ,A (Angelina)	1	1	425	1	1	425	0	0	0	0	0	0
6	Abrahams ,A (Angelina)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Engelbrecht ,J (Jamie)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Engelbrecht ,J (Jamie)	1	1176.2	751.2	0	0	0	1	1160	751.2	0	0	0
8	Owies ,F (Fazlin)	1	1	425	0	0	0	1	1	425	0	0	0
8	Owies ,F (Fazlin)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Van Deventer ,J (Jacob)	1	1	425	0	0	0	1	1	425	0	0	0
9	Van Deventer ,J (Jacob)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Rosenberg ,W (Wagheed)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Rosenberg ,W (Wagheed)	1	1354.2	929.2	0	0	0	1	1382.1	929.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

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PLAYER PAGE

Personal

Jansen, A (Antoine)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms