Chess South Africa Ratings Database

PLAYER PAGE

Personal

Herdien, KJ (Keanan Jorge)

Chess SA id

1080109009

FIDE id

Date of birth

2008-04-17 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-03-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1215.8	1192.7	1238	1200
Raw rating	1215.8	1192.7	1238	1200
Weighted rating	1215.8	1192.7	1238	1200
Weighted performance	0	0	0	0
Floor	715.8	712.8	738	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.1	167.5	157.1	165.8
Highest rating	1246.1 2019-02-01	1244.2 2019-02-01	1335.5 2022-03-01	1200 2018-10-01
Highest raw rating	1215.8 2024-02-01	1212.8 2019-03-01	1238 2024-02-01	1200 2024-02-01
Highest weighted rating	1215.8 2024-03-01	1212.8 2019-03-01	1238 2024-03-01	1200 2018-10-01
Highest weighted performance	1246.1 2019-02-01	1244.2 2019-02-01	1335.5 2022-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1215.8	1192.7	1238	1200
Analysis
Rating	1215.8	1192.7	1238	1200
Raw rating	1215.8	1192.7	1238	1200
Weighted rating	1215.8	1192.7	1238
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	715.8	712.8	738	700
Max/Min rating change allowed	162.1	167.5	157.1	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	1215.8	1192.7	1238	1200
New weighted rating	1215.8	1192.7	1238	1200
New weighted performance	0	0	0	0
Temp new rating	1215.8	1192.7	1238	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1215.8	1192.7	1238	1200
New K-factor	36	36	36	36
New floor	715.8	712.8	738	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	6	0	6
	0	0	0
History	24	18	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	24	13	54.17	35.4	1187.5	1222.9
Standard	18	9	50	0	1185.1	1185.1
Rapid	6	4	66.67	141.7	1194.4	1336.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1215.8	1192.7	1238	1200
2025-09-01	1215.8	1192.7	1238	1200
2025-08-01	1215.8	1192.7	1238	1200
2025-07-01	1215.8	1192.7	1238	1200
2025-06-01	1215.8	1192.7	1238	1200
2025-05-01	1215.8	1192.7	1238	1200
2025-04-01	1215.8	1192.7	1238	1200
2025-03-01	1215.8	1192.7	1238	1200
2025-02-01	1215.8	1192.7	1238	1200
2025-01-01	1215.8	1192.7	1238	1200
2024-12-01	1215.8	1192.7	1238	1200
2024-11-01	1215.8	1192.7	1238	1200
2024-10-01	1215.8	1192.7	1238	1200
2024-09-01	1215.8	1192.7	1238	1200
2024-08-01	1215.8	1192.7	1238	1200
2024-07-01	1215.8	1192.7	1238	1200
2024-06-01	1215.8	1192.7	1238	1200
2024-08-01	1215.8	1192.7	1238	1200
2024-04-01	1215.8	1192.7	1238	1200
2024-03-01	1215.8	1192.7	1238	1200
2024-02-01	1215.8	1192.7	1238	1200
2024-01-01	1215.8	1192.7	1238	1200
2023-12-01	1215.8	1192.7	1238	1200
2023-11-01	1215.8	1192.7	1238	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	WP Schools Chess District South 2022 (U15)	2022-03-05	2022-03-05	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
2	WP Schools South Chess 2020 (U13)	2020-01-31	2020-02-01	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
3	Metro School Chess Closed Individual Trials 2019 (U11 Boys)	2019-03-01	2019-03-02	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
4	2019 South District Schools Trials (U11)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament WP Schools South Chess 2020				Tournament WP Schools Chess District South 2022
		date 2020-02-01	rnd 6	type Standard	result 1	date 2022-03-05	rnd 2	type Rapid	result 1
		Opponent Solomons, K (Keanu)				Opponent Merts, E (Ethan)
2	3	Tournament WP Schools South Chess 2020				Tournament WP Schools South Chess 2020
		date 2020-02-01	rnd 1	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 0.5
		Opponent Ludwangu, E (Elethu)				Opponent Mwaka, J (Jumah)
3	2	Tournament Metro School Chess Closed Individual Trials 2019				Tournament Metro School Chess Closed Individual Trials 2019
		date 2019-03-01	rnd 2	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Van Zyl, E (Erasmus)				Opponent Van Wyk, W (Will)

#	Games	Start				End
1	3	Tournament WP Schools South Chess 2020				Tournament WP Schools South Chess 2020
		date 2020-02-01	rnd 1	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 0.5
		Opponent Ludwangu, E (Elethu)				Opponent Mwaka, J (Jumah)
2	2	Tournament Metro School Chess Closed Individual Trials 2019				Tournament Metro School Chess Closed Individual Trials 2019
		date 2019-03-01	rnd 2	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Van Zyl, E (Erasmus)				Opponent Van Wyk, W (Will)
3	2	Tournament 2019 South District Schools Trials				Tournament 2019 South District Schools Trials
		date 2019-02-01	rnd 4	type Standard	result 1	date 2019-02-01	rnd 5	type Standard	result 1
		Opponent Mlahleni, O (Okuhle)				Opponent Gebu, S (Sisipho)

#	Games	Start				End
1	2	Tournament WP Schools Chess District South 2022				Tournament WP Schools Chess District South 2022
		date 2022-03-05	rnd 1	type Rapid	result 1	date 2022-03-05	rnd 2	type Rapid	result 1
		Opponent Small, L (Latoya)				Opponent Merts, E (Ethan)
2	1	Tournament WP Schools Chess District South 2022				Tournament WP Schools Chess District South 2022
		date 2022-03-05	rnd 6	type Rapid	result 1	date 2022-03-05	rnd 6	type Rapid	result 1
		Opponent Nazo, A (Andisiwe)				Opponent Nazo, A (Andisiwe)
3	1	Tournament WP Schools Chess District South 2022				Tournament WP Schools Chess District South 2022
		date 2022-03-05	rnd 4	type Rapid	result 1	date 2022-03-05	rnd 4	type Rapid	result 1
		Opponent Petersen, T (Tyler)				Opponent Petersen, T (Tyler)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament WP Schools South Chess 2020				Tournament WP Schools Chess District South 2022
		date 2020-02-01	rnd 6	type Standard	result 1	date 2022-03-05	rnd 2	type Rapid	result 1
		Opponent Solomons, K (Keanu)				Opponent Merts, E (Ethan)
2	2	Tournament WP Schools South Chess 2020				Tournament WP Schools South Chess 2020
		date 2020-02-01	rnd 1	type Standard	result 1	date 2020-02-01	rnd 2	type Standard	result 1
		Opponent Ludwangu, E (Elethu)				Opponent De Beer, M (Mekaeel)
3	2	Tournament Metro School Chess Closed Individual Trials 2019				Tournament Metro School Chess Closed Individual Trials 2019
		date 2019-03-01	rnd 2	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Van Zyl, E (Erasmus)				Opponent Van Wyk, W (Will)

#	Games	Start				End
1	2	Tournament WP Schools South Chess 2020				Tournament WP Schools South Chess 2020
		date 2020-02-01	rnd 1	type Standard	result 1	date 2020-02-01	rnd 2	type Standard	result 1
		Opponent Ludwangu, E (Elethu)				Opponent De Beer, M (Mekaeel)
2	2	Tournament Metro School Chess Closed Individual Trials 2019				Tournament Metro School Chess Closed Individual Trials 2019
		date 2019-03-01	rnd 2	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Van Zyl, E (Erasmus)				Opponent Van Wyk, W (Will)
3	2	Tournament 2019 South District Schools Trials				Tournament 2019 South District Schools Trials
		date 2019-02-01	rnd 4	type Standard	result 1	date 2019-02-01	rnd 5	type Standard	result 1
		Opponent Mlahleni, O (Okuhle)				Opponent Gebu, S (Sisipho)

#	Games	Start				End
1	2	Tournament WP Schools Chess District South 2022				Tournament WP Schools Chess District South 2022
		date 2022-03-05	rnd 1	type Rapid	result 1	date 2022-03-05	rnd 2	type Rapid	result 1
		Opponent Small, L (Latoya)				Opponent Merts, E (Ethan)
2	1	Tournament WP Schools Chess District South 2022				Tournament WP Schools Chess District South 2022
		date 2022-03-05	rnd 6	type Rapid	result 1	date 2022-03-05	rnd 6	type Rapid	result 1
		Opponent Nazo, A (Andisiwe)				Opponent Nazo, A (Andisiwe)
3	1	Tournament WP Schools Chess District South 2022				Tournament WP Schools Chess District South 2022
		date 2022-03-05	rnd 4	type Rapid	result 1	date 2022-03-05	rnd 4	type Rapid	result 1
		Opponent Petersen, T (Tyler)				Opponent Petersen, T (Tyler)

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	Solomons ,K (Keanu)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Solomons ,K (Keanu)	2	1175.1	1387.6	2	1170	1387.6	0	0	0	0	0	0
2	Viljoen ,W (Wynand)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Viljoen ,W (Wynand)	1	786.2	361.2	1	748.4	361.2	0	0	0	0	0	0
3	Pato ,L (Liyema)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Pato ,L (Liyema)	1	1228.4	803.4	1	1217.5	803.4	0	0	0	0	0	0
4	Mlahleni ,O (Okuhle)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mlahleni ,O (Okuhle)	1	1133.6	1558.6	1	1160.4	1558.6	0	0	0	0	0	0
5	De Beer ,M (Mekaeel)	1	1	425	1	1	425	0	0	0	0	0	0
5	De Beer ,M (Mekaeel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Mthi ,Y (Yamkela)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mthi ,Y (Yamkela)	1	1287.3	862.3	1	1301.9	862.3	0	0	0	0	0	0
7	Ludwangu ,E (Elethu)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ludwangu ,E (Elethu)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Madzvimbo ,RB (Ricky Bongani)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Madzvimbo ,RB (Ricky Bongani)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Ngudle ,M (Mandisi)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ngudle ,M (Mandisi)	1	1115.8	690.8	1	1077.6	690.8	0	0	0	0	0	0
10	Mwaka ,J (Jumah)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Mwaka ,J (Jumah)	1	1200	1200	1	1200	1200	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Herdien, KJ (Keanan Jorge)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms