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

Item	Main	Standard	Rapid	Blitz
Rating	1252.4	1259.5	1200	1200
Raw rating	1252.4	1259.5	1200	1200
Weighted rating	1238.8	1245.2	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	1238.8	1245.2	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	1240.5	1247	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
2026-01-01	1252.4	1259.5	1200	1200
2025-11-30	1252.4	1259.5	1200	1200
2025-11-01	1252.4	1259.5	1200	1200
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
2024-11-01	1214.5	1219	1200	1200
2024-07-01	1214.5	1219	1200	1200
2024-06-01	1214.5	1219	1200	1200
2024-05-01	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

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	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	Saal ,K (Keshan)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Saal ,K (Keshan)	1	1334.7	909.7	1	1344.2	909.7	0	0	0	0	0	0
2	Basson ,D (David)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Basson ,D (David)	1	1242.4	817.4	1	1252	817.4	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	Kleinbooi ,K (Kelebogile)	1	1	425	1	1	425	0	0	0	0	0	0
4	Kleinbooi ,K (Kelebogile)	1	1198.3	1623.3	1	1197.9	1623.3	0	0	0	0	0	0
5	Cloete ,J (Jayden)	1	1	425	1	1	425	0	0	0	0	0	0
5	Cloete ,J (Jayden)	1	1272.7	1697.7	1	1285.8	1697.7	0	0	0	0	0	0
6	Camara ,S (Steven)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Camara ,S (Steven)	1	1184.8	759.8	1	1181.7	759.8	0	0	0	0	0	0
7	Andries ,D (Devitihano)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Andries ,D (Devitihano)	1	1404.7	979.7	1	1414.8	979.7	0	0	0	0	0	0
8	Louw ,W (Wade)	1	1	425	1	1	425	0	0	0	0	0	0
8	Louw ,W (Wade)	1	1208.6	1633.6	1	1212	1633.6	0	0	0	0	0	0
9	Nyirongo ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Nyirongo ,L (Liam)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Mouton ,A (Anver)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mouton ,A (Anver)	1	1288.8	863.8	1	1311.7	863.8	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

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