Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ferreira, J (Johan)

Chess SA id

1110097320

FIDE id

Date of birth

2011-07-13 (U16)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1184.3	1144.1	1225.6	1200
Raw rating	1184.3	1144.1	1225.6	1200
Weighted rating	1184.3	1143.7	1225.6	1200
Weighted performance	869.7	755.6	0	0
Floor	707.3	700	725.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.6	179.6	159.9	165.8
Highest rating	1241.1 2023-05-01	1200 2018-02-01	1225.6 2024-02-01	1200 2018-10-01
Highest raw rating	1207.3 2023-06-01	1200 2018-02-01	1225.6 2024-02-01	1200 2024-02-01
Highest weighted rating	1207.3 2018-02-01	1200 2018-02-01	1225.6 2025-07-01	1200 2018-10-01
Highest weighted performance	1241.1 2023-05-01	1200 2018-02-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1184.3	1144.1	1225.6	1200
Analysis
Rating	1184.3	1144.1	1225.6	1200
Raw rating	1184.3	1144.1	1225.6	1200
Weighted rating	1184.3	1143.7	1225.6
Weighted performance	869.7	755.6	0
K-factor	36	36	36	36
Floor	707.3	700	725.6	700
Max/Min rating change allowed	169.6	179.6	159.9	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	1184.3	1144.1	1225.6	1200
New weighted rating	1184.3	1143.8	1225.6	1200
New weighted performance	869.3	755.2	0	0
Temp new rating	1184.3	1144.1	1225.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1184.3	1144.1	1225.6	1200
New K-factor	36	36	36	36
New floor	707.3	700	725.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	32	21	11
	6	0	6
	0	0	0
History	75	54	21

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	75	31.5	42	-68	1215.2	1147.2
Standard	54	21.5	39.81	-86.6	1213.9	1127.3
Rapid	21	10	47.62	-20.2	1218.7	1198.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1184.3	1144.1	1225.6	1200
2025-09-01	1184.3	1144.1	1225.6	1200
2025-08-01	1184.3	1144.1	1225.6	1200
2025-07-01	1184.3	1144.1	1225.6	1200
2025-06-01	1184.3	1144.1	1225.6	1200
2025-05-01	1184.3	1144.1	1225.6	1200
2025-04-01	1184.3	1144.1	1225.6	1200
2025-03-01	1184.3	1144.1	1225.6	1200
2025-02-01	1184.3	1144.1	1225.6	1200
2025-01-01	1184.3	1143.2	1225.6	1200
2024-12-01	1184.3	1143.2	1225.6	1200
2024-11-01	1184.3	1143.2	1225.6	1200
2024-10-01	1184.3	1143.2	1225.6	1200
2024-09-01	1184.3	1143.2	1225.6	1200
2024-08-01	1184.3	1143.2	1225.6	1200
2024-07-01	1184.3	1143.2	1225.6	1200
2024-06-01	1184.3	1143.2	1225.6	1200
2024-08-01	1184.3	1143.2	1225.6	1200
2024-04-01	1184.3	1143.2	1225.6	1200
2024-03-01	1184.3	1143.2	1225.6	1200
2024-02-01	1184.3	1143.2	1225.6	1200
2024-01-01	1184.3	1143.2	1225.6	1200
2023-12-01	1184.3	1143.2	1225.6	1200
2023-11-01	1184.3	1143.2	1225.6	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	Stulting Sportdag 2023 (Senior)	2023-08-25	2023-08-25	Rapid	Sarah Baartman (ESB)	6	5	3	Yes	Analysis
2	SBDCU Trial 3 2023 (U14)	2023-06-24	2023-06-24	Standard	Sarah Baartman (ESB)	6	5	1	Yes	Analysis
3	Paul Sauer Chess Tournament 2023 (Senior)	2023-05-05	2023-05-05	Rapid	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
4	SBDCU Trial 2 2023 (U14 Boys)	2023-04-01	2023-04-01	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
5	Kouga Mayor's Cup 2023 (U13)	2023-04-15	2023-04-15	Standard	Sarah Baartman (ESB)	6	6	3.5	Yes	Analysis
6	SBDCU Trial 1 2023 (U14)	2023-03-05	2023-03-05	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
7	Bloeisel Fees 2022 (Primary School A)	2022-10-29	2022-10-29	Rapid	Sarah Baartman (ESB)	7	6	2	Yes	Analysis
8	2020 NMBCU Chess Trial 1 (U10)	2020-02-08	2020-02-09	Standard	Nelson Mandela Bay (ENM)	6	4	2	Yes	Analysis
9	NMBCU Trials 1 2019 (U10)	2019-03-08	2019-03-09	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
10	South African Junior Team Championships 2018 (U8A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
11	NMBJC Closed 2018 (U8)	2018-07-27	2018-07-28	Standard	Nelson Mandela Bay (ENM)	7	6	1.5	Yes	Analysis
12	NMBJC Trials 4 2018 (U8)	2018-07-21	2018-07-21	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
13	NMB Second Trials 2018 (U8)	2018-04-20	2018-04-22	Standard	Nelson Mandela Bay (ENM)	5	1	0	Yes	Analysis
14	NMB First Trails 2018 (U8)	2018-03-24	2018-03-24	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
15	Despatch Open 2018 (B)	2018-02-17	2018-02-17	Rapid	Nelson Mandela Bay (ENM)	5	4	1	Yes	Analysis

#	Games	Start				End
1	5	Tournament SBDCU Trial 2 2023				Tournament Kouga Mayor's Cup 2023
		date 2023-04-01	rnd 5	type Standard	result 1	date 2023-04-15	rnd 4	type Standard	result 1
		Opponent Slabbert, A (Arno)				Opponent Handley, C (Christopher Michael)
2	3	Tournament NMB First Trails 2018				Tournament NMB First Trails 2018
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-24	rnd 4	type Standard	result 0.5
		Opponent Lynch, D (Daniel)				Opponent Steenkamp, N (Nathan)
3	2	Tournament Stulting Sportdag 2023				Tournament Stulting Sportdag 2023
		date 2023-08-25	rnd 4	type Rapid	result 1	date 2023-08-25	rnd 5	type Rapid	result 1
		Opponent Hendricks, Z (Zeno)				Opponent Botha, X (Xadrian)

#	Games	Start				End
1	5	Tournament SBDCU Trial 2 2023				Tournament Kouga Mayor's Cup 2023
		date 2023-04-01	rnd 5	type Standard	result 1	date 2023-04-15	rnd 4	type Standard	result 1
		Opponent Slabbert, A (Arno)				Opponent Handley, C (Christopher Michael)
2	3	Tournament NMB First Trails 2018				Tournament NMB First Trails 2018
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-24	rnd 4	type Standard	result 0.5
		Opponent Lynch, D (Daniel)				Opponent Steenkamp, N (Nathan)
3	2	Tournament 2020 NMBCU Chess Trial 1				Tournament 2020 NMBCU Chess Trial 1
		date 2020-02-08	rnd 2	type Standard	result 1	date 2020-02-08	rnd 3	type Standard	result 1
		Opponent Madatt, J (Josh Darren)				Opponent Prins, E (Elzay)

#	Games	Start				End
1	2	Tournament Stulting Sportdag 2023				Tournament Stulting Sportdag 2023
		date 2023-08-25	rnd 4	type Rapid	result 1	date 2023-08-25	rnd 5	type Rapid	result 1
		Opponent Hendricks, Z (Zeno)				Opponent Botha, X (Xadrian)
2	2	Tournament Paul Sauer Chess Tournament 2023				Tournament Paul Sauer Chess Tournament 2023
		date 2023-05-05	rnd 1	type Rapid	result 1	date 2023-05-05	rnd 2	type Rapid	result 1
		Opponent Mendenhell, L (Luthando)				Opponent Jones, Z (Zackery)
3	2	Tournament Despatch Open 2018				Tournament Bloeisel Fees 2022
		date 2018-02-17	rnd 5	type Rapid	result 0.5	date 2022-10-29	rnd 1	type Rapid	result 1
		Opponent Prinsloo, J (Janco)				Opponent Stuurman, J (Jayron)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Kouga Mayor's Cup 2023				Tournament Kouga Mayor's Cup 2023
		date 2023-04-15	rnd 2	type Standard	result 1	date 2023-04-15	rnd 4	type Standard	result 1
		Opponent Gasura, E (Emmanuel)				Opponent Handley, C (Christopher Michael)
2	2	Tournament Stulting Sportdag 2023				Tournament Stulting Sportdag 2023
		date 2023-08-25	rnd 4	type Rapid	result 1	date 2023-08-25	rnd 5	type Rapid	result 1
		Opponent Hendricks, Z (Zeno)				Opponent Botha, X (Xadrian)
3	2	Tournament Paul Sauer Chess Tournament 2023				Tournament SBDCU Trial 3 2023
		date 2023-05-05	rnd 6	type Rapid	result 1	date 2023-06-24	rnd 1	type Standard	result 1
		Opponent Tunja, U (Uzenathi)				Opponent Yongama, A (Amzolele)

#	Games	Start				End
1	3	Tournament Kouga Mayor's Cup 2023				Tournament Kouga Mayor's Cup 2023
		date 2023-04-15	rnd 2	type Standard	result 1	date 2023-04-15	rnd 4	type Standard	result 1
		Opponent Gasura, E (Emmanuel)				Opponent Handley, C (Christopher Michael)
2	2	Tournament 2020 NMBCU Chess Trial 1				Tournament 2020 NMBCU Chess Trial 1
		date 2020-02-08	rnd 2	type Standard	result 1	date 2020-02-08	rnd 3	type Standard	result 1
		Opponent Madatt, J (Josh Darren)				Opponent Prins, E (Elzay)
3	2	Tournament NMB First Trails 2018				Tournament NMB First Trails 2018
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Lynch, D (Daniel)				Opponent Lindemann, N (Noah)

#	Games	Start				End
1	2	Tournament Stulting Sportdag 2023				Tournament Stulting Sportdag 2023
		date 2023-08-25	rnd 4	type Rapid	result 1	date 2023-08-25	rnd 5	type Rapid	result 1
		Opponent Hendricks, Z (Zeno)				Opponent Botha, X (Xadrian)
2	2	Tournament Paul Sauer Chess Tournament 2023				Tournament Paul Sauer Chess Tournament 2023
		date 2023-05-05	rnd 1	type Rapid	result 1	date 2023-05-05	rnd 2	type Rapid	result 1
		Opponent Mendenhell, L (Luthando)				Opponent Jones, Z (Zackery)
3	1	Tournament Stulting Sportdag 2023				Tournament Stulting Sportdag 2023
		date 2023-08-25	rnd 2	type Rapid	result 1	date 2023-08-25	rnd 2	type Rapid	result 1
		Opponent Stuurman, P (Pedro)				Opponent Stuurman, P (Pedro)

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	Rautenbach ,L (Lanelle)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Rautenbach ,L (Lanelle)	3	1211.3	786.3	3	1217.2	786.3	0	0	0	0	0	0
2	Kritzinger ,L (Lune)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Kritzinger ,L (Lune)	3	1182.9	757.9	3	1185.6	757.9	0	0	0	0	0	0
3	Gasura ,E (Emmanuel)	2	1	0	2	1	0	0	0	0	0	0	0
3	Gasura ,E (Emmanuel)	2	1318.6	1318.6	2	1261.6	1318.6	0	0	0	0	0	0
4	Twigg ,G (Garen)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Twigg ,G (Garen)	2	1191.3	766.3	2	999.2	766.3	0	0	0	0	0	0
5	Madatt ,J (Josh Darren)	2	2	425	2	2	425	0	0	0	0	0	0
5	Madatt ,J (Josh Darren)	2	1162.4	1587.4	2	1156.6	1587.4	0	0	0	0	0	0
6	Williams ,M (Meagan)	2	1	0	2	1	0	0	0	0	0	0	0
6	Williams ,M (Meagan)	2	1159.8	1159.8	2	1151	1159.8	0	0	0	0	0	0
7	Stoop ,C (Connor)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Stoop ,C (Connor)	2	1277.3	852.3	2	1281.2	852.3	0	0	0	0	0	0
8	Steenkamp ,N (Nathan)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
8	Steenkamp ,N (Nathan)	2	1115.1	1327.6	2	1199.2	1327.6	0	0	0	0	0	0
9	Roos ,J (Justin)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Roos ,J (Justin)	1	1295.2	870.2	1	1292.2	870.2	0	0	0	0	0	0
10	Pullen ,R (Riyana)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Pullen ,R (Riyana)	1	1252.4	827.4	1	1260.9	827.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ferreira, J (Johan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms