Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kata, J (Jonathan)

Chess SA id

108071874

FIDE id

Date of birth

2008-03-23 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-10-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1380	1385.9	795.2	795.2
Raw rating	1380	1385.9	795.2	795.2
Weighted rating	1380	1385.9	795.2	795.2
Weighted performance	813.3	814.5	0	0
Floor	880	885.9	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	128.3	127.2	295.2	295.2
Highest rating	1380 2024-02-01	1385.9 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1380 2024-02-01	1385.9 2024-02-01	795.2 2024-02-01	795.2 2024-02-01
Highest weighted rating	1379.9 2025-08-01	1385.8 2025-08-01	795.2 2024-11-01	795.2 2024-11-01
Highest weighted performance	1362.4 2020-01-01	1355 2020-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1380	1385.9	795.2	795.2
Analysis
Rating	1380	1385.9	795.2	795.2
Raw rating	1380	1385.9	795.2	795.2
Weighted rating	1380	1385.9	795.2
Weighted performance	813.3	814.5	0
K-factor	36	36	40	40
Floor	880	885.9	500	500
Max/Min rating change allowed	128.3	127.2	295.2	295.2
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	1380	1385.9	795.2	795.2
New weighted rating	1380	1385.9	795.2	795.2
New weighted performance	812.8	814	0	0
Temp new rating	1380	1385.9	795.2	795.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1380	1385.9	795.2	795.2
New K-factor	36	36	40	40
New floor	880	885.9	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	10	10
	0	0
	0	0
History	207	207

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	98	60	61.22	95.4	1095.3	1190.7
Standard	98	60	61.22	95.4	1095.3	1190.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1380	1385.9	795.2	795.2
2025-09-01	1380	1385.9	795.2	795.2
2025-08-01	1380	1385.9	795.2	795.2
2025-07-01	1380	1385.9	795.2	795.2
2025-06-01	1380	1385.9	795.2	795.2
2025-05-01	1380	1385.9	795.2	795.2
2025-04-01	1380	1385.9	795.2	795.2
2025-03-01	1380	1385.9	795.2	795.2
2025-02-01	1380	1385.9	795.2	795.2
2025-01-01	1380	1385.9	795.2	795.2
2024-12-01	1380	1385.9	795.2	795.2
2024-11-01	1380	1385.9	795.2	795.2
2024-10-01	1380	1385.9	795.2	795.2
2024-09-01	1380	1385.9	795.2	795.2
2024-08-01	1380	1385.9	795.2	795.2
2024-07-01	1380	1385.9	795.2	795.2
2024-06-01	1380	1385.9	795.2	795.2
2024-08-01	1380	1385.9	795.2	795.2
2024-04-01	1380	1385.9	795.2	795.2
2024-03-01	1380	1385.9	795.2	795.2
2024-02-01	1380	1385.9	795.2	795.2
2024-01-01	1380	1385.9	795.2	795.2
2023-12-01	1380	1385.9	795.2	795.2
2023-11-01	1380	1385.9	795.2	795.2

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	St Peters College Chess League 2023 (A)	2023-09-11	2023-10-23	Standard	Johannesburg Metro (GJM)	6	6	5	Yes	Analysis
2	Dainfern College Chess League 2023 (B)	2023-01-30	2023-03-06	Standard	Johannesburg Metro (GJM)	5	4	4	Yes	Analysis
3	JNW Club - Trinityhouse Randpark Ridge Open 2020 (B)	2020-02-22	2020-02-22	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
4	2019 South African Junior Team Championships (U12B)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
5	GJM vs GE Inter Region 2019 (U12D)	2019-10-05	2019-10-05	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
6	JHB Metro Closed 2019 (U12)	2019-07-27	2019-07-28	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
7	JNW Club - Unika Scholar 2019 (Open)	2019-06-01	2019-06-01	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
8	JNW Club - Hoerskool Linden 2019 (C)	2019-06-15	2019-06-15	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
9	Chess Heroes Junior Tournament 2019 (A)	2019-06-22	2019-06-22	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
10	JNW Club - Trinityhouse Little Falls Open 2019 (D)	2019-02-23	2019-02-23	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
11	JNW Club - Bryanston Open 1 2019 (C)	2019-01-26	2019-01-26	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
12	Chessnuts November 2018 (A)	2018-11-17	2018-11-17	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
13	Chessnuts Spring 2018 (Knights)	2018-09-29	2018-09-29	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
14	JNW Club - Maragon Open 2018 (C)	2018-08-04	2018-08-04	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
15	JHB Metro Junior Closed 2018 (U12)	2018-07-28	2018-07-29	Standard	Johannesburg Metro (GJM)	6	5	3	Yes	Analysis
16	JNW Club - Linden Open 2018 (D)	2018-04-14	2018-04-14	Standard	Johannesburg Metro (GJM)	5	4	3	Yes	Analysis
17	Fonties Challenge 2018 (U11)	2018-04-21	2018-04-21	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
18	South African Junior Wildcard Championships 2017 (U10 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
19	South African Junior Team Championships 2017 (U10A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis

#	Games	Start				End
1	11	Tournament JHB Metro Closed 2019				Tournament 2019 South African Junior Team Championships
		date 2019-07-28	rnd 5	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 1
		Opponent Raj, T (Tejashavi)				Opponent Ndumndum, L (Lelami)
2	10	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020				Tournament St Peters College Chess League 2023
		date 2020-02-22	rnd 5	type Standard	result 1	date 2023-10-16	rnd 5	type Standard	result 1
		Opponent Van Jaarsveld, H (Heinu)				Opponent Mans, J (Joshua)
3	7	Tournament South African Junior Team Championships 2017				Tournament South African Junior Wildcard Championships 2017
		date 2018-01-05	rnd 3	type Standard	result 1	date 2018-01-09	rnd 2	type Standard	result 0.5
		Opponent Watson, A (Aaron)				Opponent Amanjee, A (Abdullah Salim)

#	Games	Start				End
1	11	Tournament JHB Metro Closed 2019				Tournament 2019 South African Junior Team Championships
		date 2019-07-28	rnd 5	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 1
		Opponent Raj, T (Tejashavi)				Opponent Ndumndum, L (Lelami)
2	10	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020				Tournament St Peters College Chess League 2023
		date 2020-02-22	rnd 5	type Standard	result 1	date 2023-10-16	rnd 5	type Standard	result 1
		Opponent Van Jaarsveld, H (Heinu)				Opponent Mans, J (Joshua)
3	7	Tournament South African Junior Team Championships 2017				Tournament South African Junior Wildcard Championships 2017
		date 2018-01-05	rnd 3	type Standard	result 1	date 2018-01-09	rnd 2	type Standard	result 0.5
		Opponent Watson, A (Aaron)				Opponent Amanjee, A (Abdullah Salim)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020				Tournament St Peters College Chess League 2023
		date 2020-02-22	rnd 5	type Standard	result 1	date 2023-10-16	rnd 5	type Standard	result 1
		Opponent Van Jaarsveld, H (Heinu)				Opponent Mans, J (Joshua)
2	7	Tournament JHB Metro Closed 2019				Tournament GJM vs GE Inter Region 2019
		date 2019-07-28	rnd 5	type Standard	result 1	date 2019-10-05	rnd 5	type Standard	result 1
		Opponent Raj, T (Tejashavi)				Opponent Buthelezi, S (Sihle)
3	6	Tournament Fonties Challenge 2018				Tournament JHB Metro Junior Closed 2018
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-07-28	rnd 3	type Standard	result 1
		Opponent Botha, W (Wiann)				Opponent Steyn, T (Tjaart)

#	Games	Start				End
1	10	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020				Tournament St Peters College Chess League 2023
		date 2020-02-22	rnd 5	type Standard	result 1	date 2023-10-16	rnd 5	type Standard	result 1
		Opponent Van Jaarsveld, H (Heinu)				Opponent Mans, J (Joshua)
2	7	Tournament JHB Metro Closed 2019				Tournament GJM vs GE Inter Region 2019
		date 2019-07-28	rnd 5	type Standard	result 1	date 2019-10-05	rnd 5	type Standard	result 1
		Opponent Raj, T (Tejashavi)				Opponent Buthelezi, S (Sihle)
3	6	Tournament Fonties Challenge 2018				Tournament JHB Metro Junior Closed 2018
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-07-28	rnd 3	type Standard	result 1
		Opponent Botha, W (Wiann)				Opponent Steyn, T (Tjaart)

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 ,T (Tjaart)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Steyn ,T (Tjaart)	3	1220	1078.3	3	1195.9	1078.3	0	0	0	0	0	0
2	Chinoruma ,T (Tawana)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Chinoruma ,T (Tawana)	3	1098.4	673.4	3	1097.2	673.4	0	0	0	0	0	0
3	Ramlall ,S (Sanjana)	2	1	0	2	1	0	0	0	0	0	0	0
3	Ramlall ,S (Sanjana)	2	1205.2	1205.2	2	1247.7	1205.2	0	0	0	0	0	0
4	Raj ,T (Tejashavi)	2	2	425	2	2	425	0	0	0	0	0	0
4	Raj ,T (Tejashavi)	2	1193	1618	2	1187.6	1618	0	0	0	0	0	0
5	Van Blomestein ,M (Matthew)	2	1	0	2	1	0	0	0	0	0	0	0
5	Van Blomestein ,M (Matthew)	2	942.5	942.5	2	922.8	942.5	0	0	0	0	0	0
6	Fauconier ,C (Caley)	2	1	0	2	1	0	0	0	0	0	0	0
6	Fauconier ,C (Caley)	2	1058.2	1058.2	2	1053.3	1058.2	0	0	0	0	0	0
7	Jones ,W (William)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Jones ,W (William)	2	1371.1	946.1	2	1360.1	946.1	0	0	0	0	0	0
8	Deysel ,K (Kaleb)	1	1	425	1	1	425	0	0	0	0	0	0
8	Deysel ,K (Kaleb)	1	1098.7	1523.7	1	1082.4	1523.7	0	0	0	0	0	0
9	Ziegenhagen ,V (Vian Luke)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ziegenhagen ,V (Vian Luke)	1	1258.8	833.8	1	1252.9	833.8	0	0	0	0	0	0
10	Katiah ,K (Kaileshen)	1	1	425	1	1	425	0	0	0	0	0	0
10	Katiah ,K (Kaileshen)	1	1200	1625	1	1200	1625	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

Kata, J (Jonathan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms