Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kingsbury, J (Jack)

Chess SA id

1110141970

FIDE id

Date of birth

2011-05-04 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-03-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1287.2	1281.5	1229.5	1200
Raw rating	1287.2	1281.5	1229.5	1200
Weighted rating	1286	1279.9	1229.5	1200
Weighted performance	968.3	965.4	0	0
Floor	833.2	802.7	729.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	146.4	147.6	159	165.8
Highest rating	1359.3 2023-02-01	1315.5 2023-02-01	1252.8 2022-11-01	1200 2018-10-01
Highest raw rating	1333.2 2023-03-01	1302.7 2023-03-01	1229.5 2024-02-01	1200 2024-02-01
Highest weighted rating	1285.1 2025-08-01	1278.6 2025-08-01	1229.5 2025-02-01	1200 2018-10-01
Highest weighted performance	1359.3 2023-02-01	1315.5 2023-02-01	1252.8 2022-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1287.2	1281.5	1229.5	1200
Analysis
Rating	1287.2	1281.5	1229.5	1200
Raw rating	1287.2	1281.5	1229.5	1200
Weighted rating	1286	1279.9	1229.5
Weighted performance	968.3	965.4	0
K-factor	36	36	36	36
Floor	833.2	802.7	729.5	700
Max/Min rating change allowed	146.4	147.6	159	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	1287.2	1281.5	1229.5	1200
New weighted rating	1286.4	1280.5	1229.5	1200
New weighted performance	967.8	965	0	0
Temp new rating	1287.2	1281.5	1229.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1287.2	1281.5	1229.5	1200
New K-factor	36	36	36	36
New floor	833.2	802.7	729.5	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	5	0
	30	30	0
	54	39	15
	0	0	0
History	89	74	15

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	89	42	47.19	-23.9	1294.8	1270.9
Standard	74	33	44.59	-45.9	1301.8	1255.9
Rapid	15	9	60	85	1260.2	1345.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1287.2	1281.5	1229.5	1200
2025-09-01	1287.2	1281.5	1229.5	1200
2025-08-01	1287.2	1281.5	1229.5	1200
2025-07-01	1287.2	1281.5	1229.5	1200
2025-06-01	1287.2	1281.5	1229.5	1200
2025-05-01	1287.2	1281.5	1229.5	1200
2025-04-01	1287.2	1281.5	1229.5	1200
2025-03-01	1287.2	1281.5	1229.5	1200
2025-02-01	1287.2	1281.5	1229.5	1200
2025-01-01	1287.2	1281.5	1229.5	1200
2024-12-01	1287.2	1281.5	1229.5	1200
2024-11-01	1287.2	1281.5	1229.5	1200
2024-10-01	1287.2	1281.5	1229.5	1200
2024-09-01	1287.2	1281.5	1229.5	1200
2024-08-01	1287.2	1281.5	1229.5	1200
2024-07-01	1287.2	1281.5	1229.5	1200
2024-06-01	1287.2	1281.5	1229.5	1200
2024-08-01	1287.2	1281.5	1229.5	1200
2024-04-01	1287.2	1281.5	1229.5	1200
2024-03-01	1264.2	1250.5	1229.5	1200
2024-02-01	1264.2	1250.5	1229.5	1200
2024-01-01	1264.2	1250.5	1229.5	1200
2023-12-01	1264.2	1250.5	1229.5	1200
2023-11-01	1264.2	1250.5	1229.5	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	JMC Unika School Tournament 2024 (D)	2024-03-02	2024-03-02	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
2	JMC Closed Aug 2023 (U14)	2023-08-04	2023-08-06	Standard	Johannesburg Metro (GJM)	6	6	1.5	Yes	Analysis
3	JMC Trinity Little Falls 2023 (C)	2023-07-02	2023-07-02	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
4	JNW Open - Trinityhouse Little Falls 2023 (C)	2023-05-13	2023-05-13	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	2023 South African Junior Closed Chess Championships (U12 Open)	2023-03-31	2023-04-04	Standard	Chess South Africa (CSA)	9	9	1.5	Yes	Analysis
6	Chess Power House Feb RR 2023 (Junior)	2023-02-18	2023-02-19	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	2022 South African Junior Wild Card Chess Championships (U12 Open)	2022-12-09	2022-12-12	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
8	2022 South African Junior Team Chess Championships (U12 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
9	CPH Chess Clubs Challenge 2022 (Primary Schools)	2022-11-12	2022-11-12	Rapid	Johannesburg Metro (GJM)	6	5	3	Yes	Analysis
10	Chess Power House Rapid 2022 (U13)	2022-10-22	2022-10-22	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
11	JMC 3rd Trials 2022 (C)	2022-09-11	2022-09-11	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
12	UJ Fundraising Tournament 2022 (C)	2022-08-13	2022-08-13	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
13	JMC 2nd Trials 2022 (C)	2022-08-27	2022-08-27	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
14	JNW Helpmekaar 2022 (Rookies)	2022-07-09	2022-07-09	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
15	JMC Trials 1 - Laerskool Fontainebleau 2022 (U12)	2022-07-24	2022-07-24	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
16	Chess Power House Rapid 2022 (B)	2022-06-11	2022-06-11	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament JNW Open - Trinityhouse Little Falls 2023				Tournament JMC Trinity Little Falls 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-07-02	rnd 1	type Standard	result 0.5
		Opponent Horne, K (Kian Louis)				Opponent Kalimashe, T (Tshireletso)
2	4	Tournament 2022 South African Junior Wild Card Chess Championships				Tournament 2022 South African Junior Wild Card Chess Championships
		date 2022-12-09	rnd 2	type Standard	result 1	date 2022-12-11	rnd 5	type Standard	result 1
		Opponent Labuschagne, E (Edrich)				Opponent Pieterse, JF (Jurgens Francois)
3	4	Tournament CPH Chess Clubs Challenge 2022				Tournament 2022 South African Junior Team Chess Championships
		date 2022-11-12	rnd 4	type Rapid	result 1	date 2022-12-04	rnd 1	type Standard	result 1
		Opponent Labaree, E (Emmanuel)				Opponent Byliefeldt, M (Mienke)

#	Games	Start				End
1	4	Tournament JNW Open - Trinityhouse Little Falls 2023				Tournament JMC Trinity Little Falls 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-07-02	rnd 1	type Standard	result 0.5
		Opponent Horne, K (Kian Louis)				Opponent Kalimashe, T (Tshireletso)
2	4	Tournament 2022 South African Junior Wild Card Chess Championships				Tournament 2022 South African Junior Wild Card Chess Championships
		date 2022-12-09	rnd 2	type Standard	result 1	date 2022-12-11	rnd 5	type Standard	result 1
		Opponent Labuschagne, E (Edrich)				Opponent Pieterse, JF (Jurgens Francois)
3	4	Tournament JNW Helpmekaar 2022				Tournament JNW Helpmekaar 2022
		date 2022-07-09	rnd 2	type Standard	result 1	date 2022-07-09	rnd 5	type Standard	result 1
		Opponent Tivane, L (Lebo)				Opponent Pretorius, K (Klarissa)

#	Games	Start				End
1	3	Tournament CPH Chess Clubs Challenge 2022				Tournament CPH Chess Clubs Challenge 2022
		date 2022-11-12	rnd 4	type Rapid	result 1	date 2022-11-12	rnd 6	type Rapid	result 1
		Opponent Labaree, E (Emmanuel)				Opponent Baijang, T (Tiego)
2	2	Tournament Chess Power House Rapid 2022				Tournament Chess Power House Rapid 2022
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2022-10-22	rnd 4	type Rapid	result 1
		Opponent Hunter-Smith, V (Vernon)				Opponent Mumba, M (Mambo)
3	2	Tournament Chess Power House Rapid 2022				Tournament Chess Power House Rapid 2022
		date 2022-06-11	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 1	type Rapid	result 1
		Opponent Sebata, M (Mabeba)				Opponent Davids, L (Luke)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2022 South African Junior Wild Card Chess Championships				Tournament 2022 South African Junior Wild Card Chess Championships
		date 2022-12-09	rnd 2	type Standard	result 1	date 2022-12-11	rnd 5	type Standard	result 1
		Opponent Labuschagne, E (Edrich)				Opponent Pieterse, JF (Jurgens Francois)
2	4	Tournament CPH Chess Clubs Challenge 2022				Tournament 2022 South African Junior Team Chess Championships
		date 2022-11-12	rnd 4	type Rapid	result 1	date 2022-12-04	rnd 1	type Standard	result 1
		Opponent Labaree, E (Emmanuel)				Opponent Byliefeldt, M (Mienke)
3	4	Tournament JNW Helpmekaar 2022				Tournament JNW Helpmekaar 2022
		date 2022-07-09	rnd 2	type Standard	result 1	date 2022-07-09	rnd 5	type Standard	result 1
		Opponent Tivane, L (Lebo)				Opponent Pretorius, K (Klarissa)

#	Games	Start				End
1	4	Tournament 2022 South African Junior Wild Card Chess Championships				Tournament 2022 South African Junior Wild Card Chess Championships
		date 2022-12-09	rnd 2	type Standard	result 1	date 2022-12-11	rnd 5	type Standard	result 1
		Opponent Labuschagne, E (Edrich)				Opponent Pieterse, JF (Jurgens Francois)
2	4	Tournament JNW Helpmekaar 2022				Tournament JNW Helpmekaar 2022
		date 2022-07-09	rnd 2	type Standard	result 1	date 2022-07-09	rnd 5	type Standard	result 1
		Opponent Tivane, L (Lebo)				Opponent Pretorius, K (Klarissa)
3	2	Tournament JMC Unika School Tournament 2024				Tournament JMC Unika School Tournament 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Parag Jugmohan, T (Tejas)				Opponent Meng, X (Xiang)

#	Games	Start				End
1	3	Tournament CPH Chess Clubs Challenge 2022				Tournament CPH Chess Clubs Challenge 2022
		date 2022-11-12	rnd 4	type Rapid	result 1	date 2022-11-12	rnd 6	type Rapid	result 1
		Opponent Labaree, E (Emmanuel)				Opponent Baijang, T (Tiego)
2	2	Tournament Chess Power House Rapid 2022				Tournament Chess Power House Rapid 2022
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2022-10-22	rnd 4	type Rapid	result 1
		Opponent Hunter-Smith, V (Vernon)				Opponent Mumba, M (Mambo)
3	2	Tournament Chess Power House Rapid 2022				Tournament Chess Power House Rapid 2022
		date 2022-06-11	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 1	type Rapid	result 1
		Opponent Sebata, M (Mabeba)				Opponent Davids, L (Luke)

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	Mukil ,M (Mukil)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Mukil ,M (Mukil)	3	1234.5	1092.8	3	1233.9	1092.8	0	0	0	0	0	0
2	Mallach ,D (Daniel)	3	0	-425	2	0	-425	1	0	-425	0	0	0
2	Mallach ,D (Daniel)	3	1435.5	1010.5	2	1446.8	1010.5	1	1333.3	1010.5	0	0	0
3	Robinson ,E (Ethan)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Robinson ,E (Ethan)	2	1396.8	971.8	2	1397.7	971.8	0	0	0	0	0	0
4	Prinsloo ,A (Alexander)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Prinsloo ,A (Alexander)	2	1291.1	866.1	2	1281.1	866.1	0	0	0	0	0	0
5	Barker ,R (Ryan)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Barker ,R (Ryan)	2	1404.7	1192.2	2	1393.8	1192.2	0	0	0	0	0	0
6	Pillay ,Z (Zac)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Pillay ,Z (Zac)	2	1462.1	1674.6	2	1474.6	1674.6	0	0	0	0	0	0
7	Froom ,J (Jacob)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Froom ,J (Jacob)	2	1149.3	724.3	2	1149.9	724.3	0	0	0	0	0	0
8	Labuschagne ,E (Edrich)	1	1	425	1	1	425	0	0	0	0	0	0
8	Labuschagne ,E (Edrich)	1	1141.2	1566.2	1	1129.2	1566.2	0	0	0	0	0	0
9	De Abreu ,P (Pedro)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	De Abreu ,P (Pedro)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Terblanche ,J (Johann)	1	1	425	1	1	425	0	0	0	0	0	0
10	Terblanche ,J (Johann)	1	1456.2	1881.2	1	1423.1	1881.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Kingsbury, J (Jack)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms