Chess South Africa Ratings Database

PLAYER PAGE

Personal

Engelbrecht, J (Jonah)

Chess SA id

1150154330

FIDE id

Date of birth

2015-11-01 (U12)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-04-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1224.7	1200	1248.2	1200
Raw rating	1224.7	1200	1248.2	1200
Weighted rating	1224.7	1200	1248.2	1200
Weighted performance	0	0	0	0
Floor	724.7	700	748.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.1	165.8	154.8	165.8
Highest rating	1299.6 2023-04-01	1200 2018-10-01	1376.1 2023-04-01	1200 2018-10-01
Highest raw rating	1224.7 2024-02-01	1200 2024-02-01	1248.2 2024-02-01	1200 2024-02-01
Highest weighted rating	1224.7 2025-03-01	1200 2018-10-01	1248.2 2025-03-01	1200 2018-10-01
Highest weighted performance	1299.6 2023-04-01	1200 2024-02-01	1376.1 2023-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1224.7	1200	1248.2	1200
Analysis
Rating	1224.7	1200	1248.2	1200
Raw rating	1224.7	1200	1248.2	1200
Weighted rating	1224.7	1200	1248.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	724.7	700	748.2	700
Max/Min rating change allowed	160.1	165.8	154.8	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	1224.7	1200	1248.2	1200
New weighted rating	1224.7	1200	1248.2	1200
New weighted performance	0	0	0	0
Temp new rating	1224.7	1200	1248.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1224.7	1200	1248.2	1200
New K-factor	36	36	36	36
New floor	724.7	700	748.2	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	7	7
	0	0
	0	0
History	7	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
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	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	7	5	71.43	182.1	1176.1	1358.2
Standard	0	0	0	0	0	0
Rapid	7	5	71.43	182.1	1176.1	1358.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1224.7	1200	1248.2	1200
2025-09-30	1224.7	1200	1248.2	1200
2025-09-01	1224.7	1200	1248.2	1200
2025-08-01	1224.7	1200	1248.2	1200
2025-07-01	1224.7	1200	1248.2	1200
2025-06-01	1224.7	1200	1248.2	1200
2025-05-01	1224.7	1200	1248.2	1200
2025-04-01	1224.7	1200	1248.2	1200
2025-03-01	1224.7	1200	1248.2	1200
2025-02-01	1224.7	1200	1248.2	1200
2025-01-01	1224.7	1200	1248.2	1200
2024-12-01	1224.7	1200	1248.2	1200
2024-11-01	1224.7	1200	1248.2	1200
2024-10-01	1224.7	1200	1248.2	1200
2024-09-01	1224.7	1200	1248.2	1200
2024-08-01	1224.7	1200	1248.2	1200
2024-07-01	1224.7	1200	1248.2	1200
2024-09-01	1224.7	1200	1248.2	1200
2024-05-01	1224.7	1200	1248.2	1200
2024-04-01	1224.7	1200	1248.2	1200
2024-03-01	1224.7	1200	1248.2	1200
2024-02-01	1224.7	1200	1248.2	1200
2024-01-01	1224.7	1200	1248.2	1200
2023-12-01	1224.7	1200	1248.2	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	Westville Senior Primary School Individual Invitational Chess Tournament 2023 (Junior Primary)	2023-04-22	2023-04-22	Rapid	Ethekwini (KED)	7	7	5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 3	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Mlangeni, K (Kutloano)				Opponent Sharipersadh, E (Ethan)
2	1	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 7	type Rapid	result 1	date 2023-04-22	rnd 7	type Rapid	result 1
		Opponent Rampersad, A (Ashteek)				Opponent Rampersad, A (Ashteek)
3	1	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 1	type Rapid	result 1	date 2023-04-22	rnd 1	type Rapid	result 1
		Opponent Stephen, T (Thomas)				Opponent Stephen, T (Thomas)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 3	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Mlangeni, K (Kutloano)				Opponent Sharipersadh, E (Ethan)
2	1	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 7	type Rapid	result 1	date 2023-04-22	rnd 7	type Rapid	result 1
		Opponent Rampersad, A (Ashteek)				Opponent Rampersad, A (Ashteek)
3	1	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 1	type Rapid	result 1	date 2023-04-22	rnd 1	type Rapid	result 1
		Opponent Stephen, T (Thomas)				Opponent Stephen, T (Thomas)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 3	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Mlangeni, K (Kutloano)				Opponent Sharipersadh, E (Ethan)
2	1	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 7	type Rapid	result 1	date 2023-04-22	rnd 7	type Rapid	result 1
		Opponent Rampersad, A (Ashteek)				Opponent Rampersad, A (Ashteek)
3	1	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 1	type Rapid	result 1	date 2023-04-22	rnd 1	type Rapid	result 1
		Opponent Stephen, T (Thomas)				Opponent Stephen, T (Thomas)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 3	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Mlangeni, K (Kutloano)				Opponent Sharipersadh, E (Ethan)
2	1	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 7	type Rapid	result 1	date 2023-04-22	rnd 7	type Rapid	result 1
		Opponent Rampersad, A (Ashteek)				Opponent Rampersad, A (Ashteek)
3	1	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 1	type Rapid	result 1	date 2023-04-22	rnd 1	type Rapid	result 1
		Opponent Stephen, T (Thomas)				Opponent Stephen, T (Thomas)

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	Murugas ,D (Devajha)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Murugas ,D (Devajha)	1	1212.8	787.8	0	0	0	1	1195.2	787.8	0	0	0
2	Rampersad ,A (Ashteek)	1	1	425	0	0	0	1	1	425	0	0	0
2	Rampersad ,A (Ashteek)	1	1190.3	1615.3	0	0	0	1	1181.6	1615.3	0	0	0
3	Sharipersadh ,E (Ethan)	1	1	425	0	0	0	1	1	425	0	0	0
3	Sharipersadh ,E (Ethan)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
4	Stephen ,T (Thomas)	1	1	425	0	0	0	1	1	425	0	0	0
4	Stephen ,T (Thomas)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
5	Cason ,D (Dante)	1	1	425	0	0	0	1	1	425	0	0	0
5	Cason ,D (Dante)	1	1042.4	1467.4	0	0	0	1	1134	1467.4	0	0	0
6	Chen ,K (Keziah)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Chen ,K (Keziah)	1	1187	762	0	0	0	1	1178.4	762	0	0	0
7	Mlangeni ,K (Kutloano)	1	1	425	0	0	0	1	1	425	0	0	0
7	Mlangeni ,K (Kutloano)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Engelbrecht, J (Jonah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms