Chess South Africa Ratings Database

PLAYER PAGE

Personal

Barnes, J (Jock)

Chess SA id

107076704

FIDE id

Date of birth

2007-05-09 (U20)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1118.5	1105.2	700.6	700.6
Raw rating	1118.5	1105.2	700.6	700.6
Weighted rating	1118.4	1105.2	700.6	700.6
Weighted performance	392.9	393.7	0	0
Floor	748.2	742	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	186.2	189.8	337.8	337.8
Highest rating	1248.2 2019-01-01	1242 2019-01-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1248.2 2019-01-01	1242 2019-01-01	700.6 2024-02-01	700.6 2024-02-01
Highest weighted rating	1248.2 2024-11-01	1242 2024-11-01	700.6 2024-11-01	700.6 2024-11-01
Highest weighted performance	1209.6 2018-12-01	1202.1 2018-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1118.5	1105.2	700.6	700.6
Analysis
Rating	1118.5	1105.2	700.6	700.6
Raw rating	1118.5	1105.2	700.6	700.6
Weighted rating	1118.4	1105.2	700.6
Weighted performance	392.9	393.7	0
K-factor	36	36	40	40
Floor	748.2	742	500	500
Max/Min rating change allowed	186.2	189.8	337.8	337.8
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	1118.5	1105.2	700.6	700.6
New weighted rating	1118.4	1105.2	700.6	700.6
New weighted performance	392.6	393.4	0	0
Temp new rating	1118.5	1105.2	700.6	700.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1118.5	1105.2	700.6	700.6
New K-factor	36	36	40	40
New floor	748.2	742	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	6	6
	0	0
	0	0
History	210	210

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	94	42.5	45.21	-40.7	1058	1017.3
Standard	94	42.5	45.21	-40.7	1058	1017.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1118.5	1105.2	700.6	700.6
2025-09-01	1118.5	1105.2	700.6	700.6
2025-08-01	1118.5	1105.2	700.6	700.6
2025-07-01	1118.5	1105.2	700.6	700.6
2025-06-01	1118.5	1105.2	700.6	700.6
2025-05-01	1118.5	1105.2	700.6	700.6
2025-04-01	1118.5	1105.2	700.6	700.6
2025-03-01	1118.5	1105.2	700.6	700.6
2025-02-01	1118.5	1105.2	700.6	700.6
2025-01-01	1118.4	1105.2	700.6	700.6
2024-12-01	1118.4	1105.2	700.6	700.6
2024-11-01	1118.4	1105.2	700.6	700.6
2024-10-01	1118.4	1105.2	700.6	700.6
2024-09-01	1118.4	1105.2	700.6	700.6
2024-08-01	1118.4	1105.2	700.6	700.6
2024-07-01	1118.4	1105.2	700.6	700.6
2024-06-01	1118.4	1105.2	700.6	700.6
2024-08-01	1118.4	1105.2	700.6	700.6
2024-04-01	1118.4	1105.2	700.6	700.6
2024-03-01	1118.4	1105.2	700.6	700.6
2024-02-01	1118.4	1105.2	700.6	700.6
2024-01-01	1118.4	1105.2	700.6	700.6
2023-12-01	1118.4	1105.2	700.6	700.6
2023-11-01	1118.4	1105.2	700.6	700.6

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	Steyn City School Chess League 2023 (A)	2023-05-05	2023-05-29	Standard	Johannesburg Metro (GJM)	6	6	1	Yes	Analysis
2	Fonties Challange 2019 (U13)	2019-06-08	2019-06-08	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	JNW Club - Trinityhouse Randpark Ridge Open 2019 (C)	2019-03-09	2019-03-09	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	JNW Club - Trinityhouse Little Falls Open 2019 (C)	2019-02-23	2019-02-23	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
5	JNW Club - Bryanston Open 1 2019 (B)	2019-01-26	2019-01-26	Standard	Johannesburg Metro (GJM)	5	4	0	Yes	Analysis
6	Boksburg Open 2019 (B)	2019-01-19	2019-01-19	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
7	South African Junior Team Championships 2018 (U12B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	7	Yes	Analysis
8	Inter Region GE vs JHB Metro 2018 (U12B)	2018-10-06	2018-10-06	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
9	GoForChess Saheti Junior Chess Championships 2018 (U12-U16)	2018-09-22	2018-09-22	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
10	GoForChess Curro Online Rated 2018 (U14)	2018-09-02	2018-09-02	Standard	Johannesburg Metro (GJM)	5	1	0	Yes	Analysis
11	2018 Menlo Open Chess Tournament (C)	2018-07-21	2018-07-21	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
12	JHB Metro Junior Closed 2018 (U12)	2018-07-28	2018-07-29	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
13	GoForChess Grayston Junior Chess Championship 2018 (U12)	2018-06-10	2018-06-10	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
14	JNW Club - Bryanston Open 2 2018 (C)	2018-05-05	2018-05-05	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
15	JNW Club - Linden Open 2018 (C)	2018-04-14	2018-04-14	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
16	JNW Club - Northriding College Open 2018 (B)	2018-03-09	2018-03-10	Standard	Johannesburg Metro (GJM)	6	5	2	Yes	Analysis
17	Human Rights Day Open 2018 (C)	2018-03-21	2018-03-21	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
18	JCC Wits 2018 (Junior)	2018-02-25	2018-02-25	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
19	South African Junior Team Championships 2017 (U12A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	2.5	Yes	Analysis

#	Games	Start				End
1	9	Tournament Inter Region GE vs JHB Metro 2018				Tournament Boksburg Open 2019
		date 2018-10-06	rnd 4	type Standard	result 1	date 2019-01-19	rnd 2	type Standard	result 1
		Opponent Lewis, J (Jacques)				Opponent Coetzer, D (Daniel)
2	5	Tournament JHB Metro Junior Closed 2018				Tournament JHB Metro Junior Closed 2018
		date 2018-07-28	rnd 2	type Standard	result 0.5	date 2018-07-29	rnd 6	type Standard	result 1
		Opponent Sithebe, S (Smangaliso)				Opponent Ngcobo, S (Sandile)
3	4	Tournament Human Rights Day Open 2018				Tournament JNW Club - Linden Open 2018
		date 2018-03-21	rnd 4	type Standard	result 1	date 2018-04-14	rnd 2	type Standard	result 1
		Opponent Arthur, T (Ty)				Opponent Jones, E (Edward)

#	Games	Start				End
1	9	Tournament Inter Region GE vs JHB Metro 2018				Tournament Boksburg Open 2019
		date 2018-10-06	rnd 4	type Standard	result 1	date 2019-01-19	rnd 2	type Standard	result 1
		Opponent Lewis, J (Jacques)				Opponent Coetzer, D (Daniel)
2	5	Tournament JHB Metro Junior Closed 2018				Tournament JHB Metro Junior Closed 2018
		date 2018-07-28	rnd 2	type Standard	result 0.5	date 2018-07-29	rnd 6	type Standard	result 1
		Opponent Sithebe, S (Smangaliso)				Opponent Ngcobo, S (Sandile)
3	4	Tournament Human Rights Day Open 2018				Tournament JNW Club - Linden Open 2018
		date 2018-03-21	rnd 4	type Standard	result 1	date 2018-04-14	rnd 2	type Standard	result 1
		Opponent Arthur, T (Ty)				Opponent Jones, E (Edward)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament Inter Region GE vs JHB Metro 2018				Tournament Boksburg Open 2019
		date 2018-10-06	rnd 4	type Standard	result 1	date 2019-01-19	rnd 2	type Standard	result 1
		Opponent Lewis, J (Jacques)				Opponent Coetzer, D (Daniel)
2	2	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament Fonties Challange 2019
		date 2019-03-09	rnd 5	type Standard	result 1	date 2019-06-08	rnd 1	type Standard	result 1
		Opponent D`Alton, E (Ezra)				Opponent Rai, T (Tripti)
3	2	Tournament Inter Region GE vs JHB Metro 2018				Tournament Inter Region GE vs JHB Metro 2018
		date 2018-10-06	rnd 1	type Standard	result 1	date 2018-10-06	rnd 2	type Standard	result 1
		Opponent Croeser, E (Enzo)				Opponent Coertse, J (Jaimi)

#	Games	Start				End
1	9	Tournament Inter Region GE vs JHB Metro 2018				Tournament Boksburg Open 2019
		date 2018-10-06	rnd 4	type Standard	result 1	date 2019-01-19	rnd 2	type Standard	result 1
		Opponent Lewis, J (Jacques)				Opponent Coetzer, D (Daniel)
2	2	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament Fonties Challange 2019
		date 2019-03-09	rnd 5	type Standard	result 1	date 2019-06-08	rnd 1	type Standard	result 1
		Opponent D`Alton, E (Ezra)				Opponent Rai, T (Tripti)
3	2	Tournament Inter Region GE vs JHB Metro 2018				Tournament Inter Region GE vs JHB Metro 2018
		date 2018-10-06	rnd 1	type Standard	result 1	date 2018-10-06	rnd 2	type Standard	result 1
		Opponent Croeser, E (Enzo)				Opponent Coertse, J (Jaimi)

No games found.

#	Games	Start				End

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	Steyn ,C (Corne)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Steyn ,C (Corne)	3	873.3	448.3	3	882.6	448.3	0	0	0	0	0	0
2	Moustakis ,C (Costa)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Moustakis ,C (Costa)	3	1071.8	930.1	3	1091.6	930.1	0	0	0	0	0	0
3	Ramlall ,S (Sanjana)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Ramlall ,S (Sanjana)	2	1225.6	800.6	2	1231.6	800.6	0	0	0	0	0	0
4	Paraian ,N (Nicolai)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Paraian ,N (Nicolai)	2	1325.8	900.8	2	1317.9	900.8	0	0	0	0	0	0
5	Tsai ,R (Ray)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Tsai ,R (Ray)	2	1263.3	838.3	2	1260.7	838.3	0	0	0	0	0	0
6	Felix ,H (Harrison)	2	1	0	2	1	0	0	0	0	0	0	0
6	Felix ,H (Harrison)	2	873.6	873.6	2	877.8	873.6	0	0	0	0	0	0
7	Pillay ,M (Mikhael)	2	1	0	2	1	0	0	0	0	0	0	0
7	Pillay ,M (Mikhael)	2	1177.7	1177.7	2	1176.1	1177.7	0	0	0	0	0	0
8	Coetzer ,D (Daniel)	2	1	0	2	1	0	0	0	0	0	0	0
8	Coetzer ,D (Daniel)	2	1186.9	1186.9	2	1188	1186.9	0	0	0	0	0	0
9	D`Alton ,E (Ezra)	2	2	425	2	2	425	0	0	0	0	0	0
9	D`Alton ,E (Ezra)	2	1329.7	1754.7	2	1318.4	1754.7	0	0	0	0	0	0
10	Engelbrecht ,J (Joshua)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Engelbrecht ,J (Joshua)	2	772	347	2	772.4	347	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Barnes, J (Jock)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms