Chess South Africa Ratings Database

PLAYER PAGE

Personal

Janeke, C (CJ)

Chess SA id

1120315862

FIDE id

Date of birth

2012-06-15 (U14)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-12

Personal details last changed

1900-01-01

Junior GPX Games

35.4

Junior GPX Points

1308.3

Item	Main	Standard	Rapid	Blitz
Rating	1405	1354.3	1330.3	1200
Raw rating	1405	1354.3	1330.3	1200
Weighted rating	1294.6	1269.2	1253.4	1200
Weighted performance	1355.9	1310.1	0	0
Floor	905	854.3	830.3	700
K-factor	32	36	36	36
Min/Max rating change allowed	123.8	133.1	137.7	165.8
Highest rating	1405 2025-05-05	1354.3 2025-08-01	1330.3 2025-08-01	1200 2025-03-01
Highest raw rating	1405 2025-05-05	1354.3 2025-08-01	1330.3 2025-08-01	1200 2025-03-01
Highest weighted rating	1268.7 2025-08-01	1249.5 2025-08-01	1236.3 2025-08-01	1200 2025-03-01
Highest weighted performance	1405 2025-06-01	1347.3 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1405	1354.3	1330.3	1200
Analysis
Rating	1405	1354.3	1330.3	1200
Raw rating	1405	1354.3	1330.3	1200
Weighted rating	1294.6	1269.2	1253.4
Weighted performance	1355.9	1310.1	0
K-factor	32	36	36	36
Floor	905	854.3	830.3	700
Max/Min rating change allowed	123.8	133.1	137.7	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	1405	1354.3	1330.3	1200
New weighted rating	1306.5	1278.3	1261.3	1200
New weighted performance	1355.5	1309.6	0	0
Temp new rating	1405	1354.3	1330.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1405	1354.3	1330.3	1200
New K-factor	32	36	36	36
New floor	905	854.3	830.3	700

Item	Main	Standard	Rapid
	0	0	0
	42	30	12
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	42	30	12

Games since
	Main 42	Standard 30		Rapid 12		Blitz 0
Gender	Male
Age group	U14
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	2110		278		66
Male	1740		237		56
U14	333		54		16
U14 Male	248		42		12
Standard
	RSA		Province		Region
Overall	2517		342		79
Male	2037		288		68
U14	445		75		22
U14 Male	333		60		18
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	42	27.5	65.48	131.5	1300.2	1431.7
Standard	30	17.5	58.33	70.8	1297.4	1368.2
Rapid	12	10	83.33	283.3	1307.1	1590.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	42	27.5	65.48	131.5	1300.2	1431.7
Standard	30	17.5	58.33	70.8	1297.4	1368.2
Rapid	12	10	83.33	283.3	1307.1	1590.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1405	1354.3	1330.3	1200
2025-09-01	1405	1354.3	1330.3	1200
2025-08-01	1405	1354.3	1330.3	1200
2025-07-01	1383.8	1347.3	1290.2	1200
2025-06-01	1383.8	1347.3	1290.2	1200
2025-05-01	1405	1310.2	1290.2	1200
2025-04-01	1340.8	1294.1	1290.2	1200
2025-03-01	1216.1	1217	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	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U14 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	3	Yes	Analysis
2	Port Alfred Chess Tournament 2025 (C)	2025-06-21	2025-06-21	Rapid	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
3	SBDCA Closed 2025 (U14 Boys)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
4	SBDCU Trial 9 2025 (U14)	2025-04-26	2025-04-26	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
5	SBDCU Trial 6 2025 (U14)	2025-03-15	2025-03-15	Standard	Sarah Baartman (ESB)	5	5	2.5	Yes	Analysis
6	SBDCA Trials GRT 22 March 2025 (u14 bOYS)	2025-03-23	2025-03-23	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
7	Amathole Chess Activation Tournament 2025 (U14)	2025-03-01	2025-03-01	Rapid	Amathole (EAL)	7	7	6	Yes	Analysis
8	SBDCU Trials 5 Makhanda Leg 2025 (U14)	2025-02-22	2025-02-22	Standard	Sarah Baartman (ESB)	5	3	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U14 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	3	Yes	Analysis
2	Port Alfred Chess Tournament 2025 (C)	2025-06-21	2025-06-21	Rapid	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
3	SBDCA Closed 2025 (U14 Boys)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
4	SBDCU Trial 9 2025 (U14)	2025-04-26	2025-04-26	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
5	SBDCU Trial 6 2025 (U14)	2025-03-15	2025-03-15	Standard	Sarah Baartman (ESB)	5	5	2.5	Yes	Analysis
6	SBDCA Trials GRT 22 March 2025 (u14 bOYS)	2025-03-23	2025-03-23	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
7	Amathole Chess Activation Tournament 2025 (U14)	2025-03-01	2025-03-01	Rapid	Amathole (EAL)	7	7	6	Yes	Analysis
8	SBDCU Trials 5 Makhanda Leg 2025 (U14)	2025-02-22	2025-02-22	Standard	Sarah Baartman (ESB)	5	3	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCU Trial 9 2025
		date 2025-03-23	rnd 3	type Standard	result 1	date 2025-04-26	rnd 3	type Standard	result 1
		Opponent Matsolo, B (Bulumko)				Opponent Nhanha, S (Sinakekele)
2	5	Tournament Amathole Chess Activation Tournament 2025				Tournament Amathole Chess Activation Tournament 2025
		date 2025-03-01	rnd 1	type Rapid	result 1	date 2025-03-01	rnd 5	type Rapid	result 1
		Opponent Vusani, A (Anqobile)				Opponent Makwetu, A (Achumile)
3	3	Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-11	rnd 2	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Bosch, R (Rayhaan)				Opponent Prinsloo, L (Liam)

#	Games	Start				End
1	6	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCU Trial 9 2025
		date 2025-03-23	rnd 3	type Standard	result 1	date 2025-04-26	rnd 3	type Standard	result 1
		Opponent Matsolo, B (Bulumko)				Opponent Nhanha, S (Sinakekele)
2	3	Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-11	rnd 2	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Bosch, R (Rayhaan)				Opponent Prinsloo, L (Liam)
3	3	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Maxim, Z (Zane)				Opponent Geldenhuys, M (Marcel)

#	Games	Start				End
1	5	Tournament Amathole Chess Activation Tournament 2025				Tournament Amathole Chess Activation Tournament 2025
		date 2025-03-01	rnd 1	type Rapid	result 1	date 2025-03-01	rnd 5	type Rapid	result 1
		Opponent Vusani, A (Anqobile)				Opponent Makwetu, A (Achumile)
2	4	Tournament Amathole Chess Activation Tournament 2025				Tournament Port Alfred Chess Tournament 2025
		date 2025-03-01	rnd 7	type Rapid	result 1	date 2025-06-21	rnd 3	type Rapid	result 1
		Opponent Sigungqa, S (Siphelele)				Opponent Jebe, U (Unabantu)
3	1	Tournament Port Alfred Chess Tournament 2025				Tournament Port Alfred Chess Tournament 2025
		date 2025-06-21	rnd 5	type Rapid	result 1	date 2025-06-21	rnd 5	type Rapid	result 1
		Opponent Tadese, E (Eldana)				Opponent Tadese, E (Eldana)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCU Trial 9 2025
		date 2025-03-23	rnd 3	type Standard	result 1	date 2025-04-26	rnd 3	type Standard	result 1
		Opponent Matsolo, B (Bulumko)				Opponent Nhanha, S (Sinakekele)
2	5	Tournament Amathole Chess Activation Tournament 2025				Tournament Amathole Chess Activation Tournament 2025
		date 2025-03-01	rnd 1	type Rapid	result 1	date 2025-03-01	rnd 5	type Rapid	result 1
		Opponent Vusani, A (Anqobile)				Opponent Makwetu, A (Achumile)
3	3	Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-11	rnd 2	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Bosch, R (Rayhaan)				Opponent Prinsloo, L (Liam)

#	Games	Start				End
1	6	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCU Trial 9 2025
		date 2025-03-23	rnd 3	type Standard	result 1	date 2025-04-26	rnd 3	type Standard	result 1
		Opponent Matsolo, B (Bulumko)				Opponent Nhanha, S (Sinakekele)
2	3	Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-11	rnd 2	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Bosch, R (Rayhaan)				Opponent Prinsloo, L (Liam)
3	3	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Maxim, Z (Zane)				Opponent Geldenhuys, M (Marcel)

#	Games	Start				End
1	5	Tournament Amathole Chess Activation Tournament 2025				Tournament Amathole Chess Activation Tournament 2025
		date 2025-03-01	rnd 1	type Rapid	result 1	date 2025-03-01	rnd 5	type Rapid	result 1
		Opponent Vusani, A (Anqobile)				Opponent Makwetu, A (Achumile)
2	4	Tournament Amathole Chess Activation Tournament 2025				Tournament Port Alfred Chess Tournament 2025
		date 2025-03-01	rnd 7	type Rapid	result 1	date 2025-06-21	rnd 3	type Rapid	result 1
		Opponent Sigungqa, S (Siphelele)				Opponent Jebe, U (Unabantu)
3	1	Tournament Port Alfred Chess Tournament 2025				Tournament Port Alfred Chess Tournament 2025
		date 2025-06-21	rnd 5	type Rapid	result 1	date 2025-06-21	rnd 5	type Rapid	result 1
		Opponent Tadese, E (Eldana)				Opponent Tadese, E (Eldana)

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	Geldenhuys ,M (Marcel)	2	1	0	2	1	0	0	0	0	0	0	0
1	Geldenhuys ,M (Marcel)	2	1287.2	1287.2	2	1282.1	1287.2	0	0	0	0	0	0
2	Fleurs ,E (Eli)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Fleurs ,E (Eli)	2	1485.9	1060.9	2	1482.4	1060.9	0	0	0	0	0	0
3	Nhanha ,S (Sinakekele)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
3	Nhanha ,S (Sinakekele)	2	1216.1	1428.6	2	1210.4	1428.6	0	0	0	0	0	0
4	Rudolph ,K (Kevin-Clark)	2	1	0	2	1	0	0	0	0	0	0	0
4	Rudolph ,K (Kevin-Clark)	2	1205.6	1205.6	2	1202.9	1205.6	0	0	0	0	0	0
5	Mgwali ,L (Luniko)	2	1	0	1	0	-425	1	1	425	0	0	0
5	Mgwali ,L (Luniko)	2	1182.9	1182.9	1	1175.7	757.9	1	1191.2	1607.9	0	0	0
6	Marias ,K (Kathrine)	1	1	425	1	1	425	0	0	0	0	0	0
6	Marias ,K (Kathrine)	1	1192	1617	1	1195.8	1617	0	0	0	0	0	0
7	Mandlana ,S (Sophumelela)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mandlana ,S (Sophumelela)	1	1215.7	1640.7	1	1200	1640.7	0	0	0	0	0	0
8	Mazikana ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mazikana ,E (Ethan)	1	1658.5	1233.5	1	1663	1233.5	0	0	0	0	0	0
9	Fourie ,Z (Zion)	1	1	425	1	1	425	0	0	0	0	0	0
9	Fourie ,Z (Zion)	1	1200.2	1625.2	1	1199.9	1625.2	0	0	0	0	0	0
10	Wang ,C (Chen)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Wang ,C (Chen)	1	1368.3	943.3	1	1368.4	943.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Janeke, C (CJ)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms