Chess South Africa Ratings Database

PLAYER PAGE

Personal

Croy, J (Johynne)

Chess SA id

1070153339

FIDE id

Date of birth

2007-06-09 (U20)

Gender

Male

Region

Namakwa (NCN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1302.7

Item	Main	Standard	Rapid	Blitz
Rating	1252.4	1259.5	1200	1200
Raw rating	1252.4	1259.5	1200	1200
Weighted rating	1233.2	1239.4	1200	1200
Weighted performance	0	0	0	0
Floor	752.4	759.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	153.9	152.3	165.8	165.8
Highest rating	1341.4 2023-04-01	1352.1 2023-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1252.4 2025-06-01	1259.5 2025-06-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1252.4 2024-06-01	1259.5 2024-07-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1341.4 2023-04-01	1352.1 2023-04-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1252.4	1259.5	1200	1200
Analysis
Rating	1252.4	1259.5	1200	1200
Raw rating	1252.4	1259.5	1200	1200
Weighted rating	1233.2	1239.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	752.4	759.5	700	700
Max/Min rating change allowed	153.9	152.3	165.8	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	1252.4	1259.5	1200	1200
New weighted rating	1235.1	1241.4	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1252.4	1259.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1252.4	1259.5	1200	1200
New K-factor	36	36	36	36
New floor	752.4	759.5	700	700

Item	Main	Standard
	0	0
	16	16
	3	3
	5	5
	0	0
	0	0
History	24	24

Games since
	Main 19	Standard 19		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Namakwa (NCN)
Province	Northern Cape (NC)
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	16	8.5	53.12	26.6	1270.1	1296.7
Standard	16	8.5	53.12	26.6	1270.1	1296.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	24	12.5	52.08	17.7	1263.8	1281.5
Standard	24	12.5	52.08	17.7	1263.8	1281.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1252.4	1259.5	1200	1200
2025-09-01	1252.4	1259.5	1200	1200
2025-08-01	1252.4	1259.5	1200	1200
2025-07-01	1252.4	1259.5	1200	1200
2025-06-01	1252.4	1259.5	1200	1200
2025-05-01	1244.1	1252.1	1200	1200
2025-04-01	1244.4	1253.7	1200	1200
2025-03-01	1218.6	1224.1	1200	1200
2025-02-01	1218.5	1223.9	1200	1200
2025-01-01	1214.5	1219	1200	1200
2024-12-01	1214.5	1219	1200	1200
2024-11-01	1214.5	1219	1200	1200
2024-10-01	1214.5	1219	1200	1200
2024-09-01	1214.5	1219	1200	1200
2024-08-01	1214.5	1219	1200	1200
2024-07-01	1214.5	1219	1200	1200
2024-06-01	1214.5	1219	1200	1200
2024-08-01	1214.5	1219	1200	1200
2024-04-01	1214.5	1219	1200	1200
2024-03-01	1227.9	1235.6	1200	1200
2024-02-01	1227.9	1235.6	1200	1200
2024-01-01	1227.9	1235.6	1200	1200
2023-12-01	1227.9	1235.6	1200	1200
2023-11-01	1227.9	1235.6	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Keimoes K & Q Chess Club Open 2025 (U20)	2025-05-03	2025-05-03	Standard	ZF Mgcawu (NZF)	7	6	3.5	Yes	Analysis
2	Pawn Stars Chess Tournament 12 April 2025 (A)	2025-04-12	2025-04-12	Standard	ZF Mgcawu (NZF)	5	5	2	Yes	Analysis
3	Nababeep Chess Club Open 2025 (Championship)	2025-03-08	2025-03-08	Standard	Namakwa (NCN)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Keimoes K & Q Chess Club Open 2025 (U20)	2025-05-03	2025-05-03	Standard	ZF Mgcawu (NZF)	7	6	3.5	Yes	Analysis
2	Pawn Stars Chess Tournament 12 April 2025 (A)	2025-04-12	2025-04-12	Standard	ZF Mgcawu (NZF)	5	5	2	Yes	Analysis
3	Nababeep Chess Club Open 2025 (Championship)	2025-03-08	2025-03-08	Standard	Namakwa (NCN)	5	5	3	Yes	Analysis
4	2024 Namakwa Skole Skaak (U17+U19)	2024-03-09	2024-03-09	Standard	Namakwa (NCN)	3	3	1	Yes	Analysis
5	Namakwa Skole Proewe 2023 (U15 Boys)	2023-04-15	2023-04-15	Standard	Namakwa (NCN)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Nababeep Chess Club Open 2025				Tournament Nababeep Chess Club Open 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kotze, A (Ashferd)				Opponent Radha, Y (Yugesh)
2	2	Tournament Keimoes K & Q Chess Club Open 2025				Tournament Keimoes K & Q Chess Club Open 2025
		date 2025-05-03	rnd 6	type Standard	result 1	date 2025-05-03	rnd 7	type Standard	result 1
		Opponent Carolus-Naidu, H (Hailey)				Opponent Daniels, M (Matthew)
3	2	Tournament Keimoes K & Q Chess Club Open 2025				Tournament Keimoes K & Q Chess Club Open 2025
		date 2025-05-03	rnd 2	type Standard	result 0.5	date 2025-05-03	rnd 3	type Standard	result 1
		Opponent Carolus-Naidu, J (Jaime)				Opponent Kleinbooi, K (Kelebogile)

#	Games	Start				End
1	3	Tournament Nababeep Chess Club Open 2025				Tournament Nababeep Chess Club Open 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kotze, A (Ashferd)				Opponent Radha, Y (Yugesh)
2	2	Tournament Keimoes K & Q Chess Club Open 2025				Tournament Keimoes K & Q Chess Club Open 2025
		date 2025-05-03	rnd 6	type Standard	result 1	date 2025-05-03	rnd 7	type Standard	result 1
		Opponent Carolus-Naidu, H (Hailey)				Opponent Daniels, M (Matthew)
3	2	Tournament Keimoes K & Q Chess Club Open 2025				Tournament Keimoes K & Q Chess Club Open 2025
		date 2025-05-03	rnd 2	type Standard	result 0.5	date 2025-05-03	rnd 3	type Standard	result 1
		Opponent Carolus-Naidu, J (Jaime)				Opponent Kleinbooi, K (Kelebogile)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Nababeep Chess Club Open 2025				Tournament Nababeep Chess Club Open 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kotze, A (Ashferd)				Opponent Radha, Y (Yugesh)
2	2	Tournament Keimoes K & Q Chess Club Open 2025				Tournament Keimoes K & Q Chess Club Open 2025
		date 2025-05-03	rnd 6	type Standard	result 1	date 2025-05-03	rnd 7	type Standard	result 1
		Opponent Carolus-Naidu, H (Hailey)				Opponent Daniels, M (Matthew)
3	2	Tournament Namakwa Skole Proewe 2023				Tournament Namakwa Skole Proewe 2023
		date 2023-04-15	rnd 1	type Standard	result 1	date 2023-04-15	rnd 2	type Standard	result 1
		Opponent Louw, W (Wade)				Opponent Cloete, J (Jayden)

#	Games	Start				End
1	3	Tournament Nababeep Chess Club Open 2025				Tournament Nababeep Chess Club Open 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kotze, A (Ashferd)				Opponent Radha, Y (Yugesh)
2	2	Tournament Keimoes K & Q Chess Club Open 2025				Tournament Keimoes K & Q Chess Club Open 2025
		date 2025-05-03	rnd 6	type Standard	result 1	date 2025-05-03	rnd 7	type Standard	result 1
		Opponent Carolus-Naidu, H (Hailey)				Opponent Daniels, M (Matthew)
3	2	Tournament Namakwa Skole Proewe 2023				Tournament Namakwa Skole Proewe 2023
		date 2023-04-15	rnd 1	type Standard	result 1	date 2023-04-15	rnd 2	type Standard	result 1
		Opponent Louw, W (Wade)				Opponent Cloete, J (Jayden)

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	Louw ,W (Wade)	1	1	425	1	1	425	0	0	0	0	0	0
1	Louw ,W (Wade)	1	1208.6	1633.6	1	1212	1633.6	0	0	0	0	0	0
2	Camara ,S (Steven)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Camara ,S (Steven)	1	1184.8	759.8	1	1181.7	759.8	0	0	0	0	0	0
3	Baai ,A (Andrea)	1	1	425	1	1	425	0	0	0	0	0	0
3	Baai ,A (Andrea)	1	1332	1757	1	1333.3	1757	0	0	0	0	0	0
4	Andries ,D (Devitihano)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Andries ,D (Devitihano)	1	1404.7	979.7	1	1414.8	979.7	0	0	0	0	0	0
5	Kotze ,A (Ashferd)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kotze ,A (Ashferd)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Daniels ,M (Matthew)	1	1	425	1	1	425	0	0	0	0	0	0
6	Daniels ,M (Matthew)	1	1200	1625	1	1200.2	1625	0	0	0	0	0	0
7	Mouton ,A (Anver)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mouton ,A (Anver)	1	1288.8	863.8	1	1311.7	863.8	0	0	0	0	0	0
8	Radha ,Y (Yugesh)	1	1	425	1	1	425	0	0	0	0	0	0
8	Radha ,Y (Yugesh)	1	1584.8	2009.8	1	1581.1	2009.8	0	0	0	0	0	0
9	Visagie ,D (Don-Juan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Visagie ,D (Don-Juan)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Van Rhyn ,M (Marvin)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Rhyn ,M (Marvin)	1	1225.6	1650.6	1	1233.4	1650.6	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

Croy, J (Johynne)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms