Chess South Africa Ratings Database

PLAYER PAGE

Personal

Plaatjies, J (Joshua)

Chess SA id

1120193191

FIDE id

Date of birth

2012-04-28 (U14)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1353.9

Item	Main	Standard	Rapid	Blitz
Rating	1317.3	1321.8	1200	1200
Raw rating	1317.3	1321.8	1200	1200
Weighted rating	1280.9	1287	1200	1200
Weighted performance	1233.8	1232.5	0	0
Floor	817.3	821.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	140.3	139.4	165.8	165.8
Highest rating	1425.1 2024-02-01	1422.5 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1317.3 2025-05-05	1321.8 2025-05-05	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1264.6 2025-08-01	1270.9 2025-08-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1425.1 2024-02-01	1422.5 2024-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1317.3	1321.8	1200	1200
Analysis
Rating	1317.3	1321.8	1200	1200
Raw rating	1317.3	1321.8	1200	1200
Weighted rating	1280.9	1287	1200
Weighted performance	1233.8	1232.5	0
K-factor	36	36	36	36
Floor	817.3	821.8	700	700
Max/Min rating change allowed	140.3	139.4	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	1317.3	1321.8	1200	1200
New weighted rating	1285.5	1291.6	1200	1200
New weighted performance	1225.9	1224.6	0	0
Temp new rating	1317.3	1321.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1317.3	1321.8	1200	1200
New K-factor	36	36	36	36
New floor	817.3	821.8	700	700

Item	Main	Standard
	0	0
	25	25
	4	4
	0	0
	0	0
	0	0
History	29	29

Games since
	Main 29	Standard 29		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	25	15.5	62	102	1272.2	1374.2
Standard	25	15.5	62	102	1272.2	1374.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	29	18.5	63.79	117.2	1262.9	1380.2
Standard	29	18.5	63.79	117.2	1262.9	1380.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1317.3	1321.8	1200	1200
2025-09-30	1317.3	1321.8	1200	1200
2025-09-01	1317.3	1321.8	1200	1200
2025-08-01	1317.3	1321.8	1200	1200
2025-07-01	1317.3	1321.8	1200	1200
2025-06-01	1317.3	1321.8	1200	1200
2025-05-01	1317.3	1321.8	1200	1200
2025-04-01	1298.6	1310.1	1200	1200
2025-03-01	1290.2	1307	1200	1200
2025-02-01	1234.2	1240.4	1200	1200
2025-01-01	1234.2	1240.4	1200	1200
2024-12-01	1234.2	1240.4	1200	1200
2024-11-01	1234.2	1240.4	1200	1200
2024-10-01	1234.2	1240.4	1200	1200
2024-09-01	1234.2	1240.4	1200	1200
2024-08-01	1234.2	1240.4	1200	1200
2024-07-01	1234.2	1240.4	1200	1200
2024-09-01	1234.2	1240.4	1200	1200
2024-05-01	1234.2	1240.4	1200	1200
2024-04-01	1234.2	1240.4	1200	1200
2024-03-01	1234.2	1240.4	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	Eden Chess Trials 2 2025 (U14)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	5.5	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	Oudussa Trials 2025 (U13 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
4	Oudussa Trials 2 2025 (U13 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Chess Trials 2 2025 (U14)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	5.5	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	Oudussa Trials 2025 (U13 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
4	Oudussa Trials 2 2025 (U13 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
5	OUDUSSA Trials 2 2024 (U13 Boys+Girls)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	4	3	Yes	Analysis

#	Games	Start				End
1	7	Tournament OUDUSSA Trials 2 2024				Tournament Oudussa Trials 2025
		date 2024-02-17	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Damons, D (Danielson)				Opponent Kock, C (Cuane)
2	4	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 4	type Standard	result 1	date 2025-04-12	rnd 7	type Standard	result 1
		Opponent Cullum, A (Abrahmia)				Opponent Saayman, V (Veronique)
3	4	Tournament Oudussa Trials 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Koeries, A (Austin)				Opponent Bewee, K (Keagan)

#	Games	Start				End
1	7	Tournament OUDUSSA Trials 2 2024				Tournament Oudussa Trials 2025
		date 2024-02-17	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Damons, D (Danielson)				Opponent Kock, C (Cuane)
2	4	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 4	type Standard	result 1	date 2025-04-12	rnd 7	type Standard	result 1
		Opponent Cullum, A (Abrahmia)				Opponent Saayman, V (Veronique)
3	4	Tournament Oudussa Trials 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Koeries, A (Austin)				Opponent Bewee, K (Keagan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Oudussa Trials 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Koeries, A (Austin)				Opponent Bewee, K (Keagan)
2	4	Tournament OUDUSSA Trials 2 2024				Tournament Oudussa Trials 2 2025
		date 2024-02-17	rnd 5	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Damons, D (Danielson)				Opponent Opperman, J (Jerome)
3	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 6	type Standard	result 1	date 2025-04-12	rnd 7	type Standard	result 1
		Opponent Appels, C (Chelsea)				Opponent Saayman, V (Veronique)

#	Games	Start				End
1	4	Tournament Oudussa Trials 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Koeries, A (Austin)				Opponent Bewee, K (Keagan)
2	4	Tournament OUDUSSA Trials 2 2024				Tournament Oudussa Trials 2 2025
		date 2024-02-17	rnd 5	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Damons, D (Danielson)				Opponent Opperman, J (Jerome)
3	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 6	type Standard	result 1	date 2025-04-12	rnd 7	type Standard	result 1
		Opponent Appels, C (Chelsea)				Opponent Saayman, V (Veronique)

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	Frans ,S (Sherwin)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Frans ,S (Sherwin)	2	1201.3	776.3	2	1209.2	776.3	0	0	0	0	0	0
2	Mathabe ,O (Obakeng)	2	2	425	2	2	425	0	0	0	0	0	0
2	Mathabe ,O (Obakeng)	2	1198.8	1623.8	2	1198.5	1623.8	0	0	0	0	0	0
3	Kock ,C (Cuane)	2	2	425	2	2	425	0	0	0	0	0	0
3	Kock ,C (Cuane)	2	1198.7	1623.7	2	1198.3	1623.7	0	0	0	0	0	0
4	Deysel ,S (Sian)	1	1	425	1	1	425	0	0	0	0	0	0
4	Deysel ,S (Sian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Matheus ,X (Xavier)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Matheus ,X (Xavier)	1	1244.5	819.5	1	1252.3	819.5	0	0	0	0	0	0
6	Appels ,C (Chelsea)	1	1	425	1	1	425	0	0	0	0	0	0
6	Appels ,C (Chelsea)	1	1200.1	1625.1	1	1197.8	1625.1	0	0	0	0	0	0
7	Keteldas ,F (Ferdriano)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Keteldas ,F (Ferdriano)	1	1228.9	803.9	1	1222.8	803.9	0	0	0	0	0	0
8	Jordaan ,C (Caleb)	1	1	425	1	1	425	0	0	0	0	0	0
8	Jordaan ,C (Caleb)	1	1225.9	1650.9	1	1231.2	1650.9	0	0	0	0	0	0
9	Drude ,E (Eyshaan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Drude ,E (Eyshaan)	1	1498.5	1498.5	1	1491.9	1498.5	0	0	0	0	0	0
10	Campher ,L (Luwhayne)	1	1	425	1	1	425	0	0	0	0	0	0
10	Campher ,L (Luwhayne)	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

Plaatjies, J (Joshua)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms