Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vries, J (Joshua)

Chess SA id

1160191746

FIDE id

Date of birth

2016-02-02 (U10)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1351.5

Item	Main	Standard	Rapid	Blitz
Rating	1392	1454.5	1193.3	1200
Raw rating	1392	1454.5	1116.5	1200
Weighted rating	1296.9	1305.1	1193.3	1200
Weighted performance	1262.3	1411.6	0	0
Floor	947.9	954.5	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	126.1	115.4	186.8	165.8
Highest rating	1447.9 2025-09-01	1454.5 2025-09-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1447.9 2025-09-01	1454.5 2025-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1440.9 2024-01-01	1445.8 2024-01-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1440.9 2025-05-05	1445.8 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-6.4	0
New rating	1392	1454.5	1186.9	1200
Analysis
Rating	1392	1454.5	1193.3	1200
Raw rating	1392	1454.5	1116.5	1200
Weighted rating	1296.9	1305.1	1193.3
Weighted performance	1262.3	1411.6	0
K-factor	32	32	36	36
Floor	947.9	954.5	700	700
Max/Min rating change allowed	126.1	115.4	186.8	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	1392	1454.5	1116.5	1200
New weighted rating	1308.8	1321.7	1186.9	1200
New weighted performance	1261.9	1411.1	0	0
Temp new rating	1392	1454.5	1186.9	1200
Temp new rating +/-	0	0	-6.4	0
Final new rating +/-	0	0	-6.4	0
New rating	1392	1454.5	1186.9	1200
New K-factor	32	32	36	36
New floor	947.9	954.5	700	700

Item	Main	Standard	Rapid
	0	0	0
	40	34	6
	23	23	0
	0	0	0
	0	0	0
	0	0	0
History	63	57	6

Games since
	Main 63	Standard 57		Rapid 6		Blitz 0
Gender	Male
Age group	U10
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2253		689		183
Male	1848		534		143
U10	156		39		15
U10 Male	135		30		10
Standard
	RSA		Province		Region
Overall	1521		414		109
Male	1274		332		88
U10	87		23		10
U10 Male	77		18		7
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	40	24.5	61.25	95.6	1294.6	1390.3
Standard	34	23.5	69.12	162.5	1290.5	1453
Rapid	6	1	16.67	-283.3	1318.3	1035
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	63	32.5	51.59	13.5	1270.5	1284
Standard	57	31.5	55.26	44.7	1265.5	1310.2
Rapid	6	1	16.67	-283.3	1318.3	1035
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1392	1454.5	1116.5	1200
2025-09-01	1447.9	1454.5	1200	1200
2025-08-01	1440.9	1445.8	1200	1200
2025-07-01	1440.9	1445.8	1200	1200
2025-06-01	1440.9	1445.8	1200	1200
2025-05-01	1440.9	1445.8	1200	1200
2025-04-01	1429.6	1431.3	1200	1200
2025-03-01	1269.2	1270.9	1200	1200
2025-02-01	1178.1	1185.7	1200	1200
2025-01-01	1156.5	1161.2	1200	1200
2024-12-01	1156.5	1161.2	1200	1200
2024-11-01	1156.5	1161.2	1200	1200
2024-10-01	1156.5	1161.2	1200	1200
2024-09-01	1156.5	1161.2	1200	1200
2024-08-01	1134.6	1134.8	1200	1200
2024-07-01	1134.6	1134.8	1200	1200
2024-06-01	1134.6	1134.8	1200	1200
2024-08-01	1134.6	1134.8	1200	1200
2024-04-01	1116	1111.2	1200	1200
2024-03-01	1148.2	1140.4	1200	1200
2024-02-01	1165.8	1161.6	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	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	Pacaltsdorp Open 2025 (B)	2025-08-30	2025-08-30	Rapid	Eden (WEG)	6	6	1	Yes	Analysis
2	Eden Top Schools 2025 (U11 Open)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	4	Yes	Analysis
3	Eden Chess Trials 2 2025 (U10)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6.5	Yes	Analysis
4	Hessequa Ontwikkelings Toernooi 2025 (U9 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	4	Yes	Analysis
5	Eden Schools Chess Trials 1 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
6	Hessequa Skole Proewe 2 2025 (U9 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	4	Yes	Analysis
7	Hessequa Skole Skaak 2025 (O9 Seuns)	2025-01-25	2025-01-25	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Pacaltsdorp Open 2025 (B)	2025-08-30	2025-08-30	Rapid	Eden (WEG)	6	6	1	Yes	Analysis
2	Eden Top Schools 2025 (U11 Open)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	4	Yes	Analysis
3	Eden Chess Trials 2 2025 (U10)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6.5	Yes	Analysis
4	Hessequa Ontwikkelings Toernooi 2025 (U9 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	4	Yes	Analysis
5	Eden Schools Chess Trials 1 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
6	Hessequa Skole Proewe 2 2025 (U9 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	4	Yes	Analysis
7	Hessequa Skole Skaak 2025 (O9 Seuns)	2025-01-25	2025-01-25	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
8	Eden Top Schools 2024 (U9 Open)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	4	2	Yes	Analysis
9	Eden Chess Trials 2 2024 (U10)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	5	2	Yes	Analysis
10	Eden School Chess Trials 1 2024 (U9 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	1	Yes	Analysis
11	Hessequa Skole Proewe 2 2024 (U9 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	2	Yes	Analysis
12	Hessequa Proewe 1 2024 (U9 Boys)	2024-01-27	2024-01-27	Standard	Eden (WEG)	5	4	1	Yes	Analysis

#	Games	Start				End
1	9	Tournament Hessequa Skole Proewe 2 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-01-25	rnd 2	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Nel, H (Hudson)				Opponent Du Preez, R (Rafael)
2	5	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 8	type Standard	result 1
		Opponent Fick, M (Marline)				Opponent Jantjies, A (Armando)
3	3	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Louw, L (Luca)				Opponent Windvogel, K (Kai)

#	Games	Start				End
1	9	Tournament Hessequa Skole Proewe 2 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-01-25	rnd 2	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Nel, H (Hudson)				Opponent Du Preez, R (Rafael)
2	5	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 8	type Standard	result 1
		Opponent Fick, M (Marline)				Opponent Jantjies, A (Armando)
3	3	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Louw, L (Luca)				Opponent Windvogel, K (Kai)

#	Games	Start				End
1	1	Tournament Pacaltsdorp Open 2025				Tournament Pacaltsdorp Open 2025
		date 2025-08-30	rnd 6	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Nomdo, L (Luciano)				Opponent Nomdo, L (Luciano)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament Hessequa Skole Proewe 2 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-01-25	rnd 2	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Nel, H (Hudson)				Opponent Du Preez, R (Rafael)
2	3	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Louw, L (Luca)				Opponent Windvogel, K (Kai)
3	3	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 6	type Standard	result 1
		Opponent Fick, M (Marline)				Opponent Hessie, L (Luke)

#	Games	Start				End
1	9	Tournament Hessequa Skole Proewe 2 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-01-25	rnd 2	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Nel, H (Hudson)				Opponent Du Preez, R (Rafael)
2	3	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Louw, L (Luca)				Opponent Windvogel, K (Kai)
3	3	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 6	type Standard	result 1
		Opponent Fick, M (Marline)				Opponent Hessie, L (Luke)

#	Games	Start				End
1	1	Tournament Pacaltsdorp Open 2025				Tournament Pacaltsdorp Open 2025
		date 2025-08-30	rnd 6	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Nomdo, L (Luciano)				Opponent Nomdo, L (Luciano)

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	Dreyer ,T (Tomrique)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
1	Dreyer ,T (Tomrique)	3	1225.8	1225.8	3	1229.7	1225.8	0	0	0	0	0	0
2	Wyngaard ,A (Adam)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Wyngaard ,A (Adam)	3	1361.4	1219.7	3	1363.1	1219.7	0	0	0	0	0	0
3	Prins ,K (Kai)	2	1	0	2	1	0	0	0	0	0	0	0
3	Prins ,K (Kai)	2	1288.8	1288.8	2	1296	1288.8	0	0	0	0	0	0
4	Wyngaard ,L (Luke)	2	1	0	2	1	0	0	0	0	0	0	0
4	Wyngaard ,L (Luke)	2	1357.1	1357.1	2	1342.2	1357.1	0	0	0	0	0	0
5	Van Den Berg ,T (Teagan)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Van Den Berg ,T (Teagan)	2	1424.2	999.2	2	1433.7	999.2	0	0	0	0	0	0
6	Saayman ,N (Nicolin)	2	2	425	2	2	425	0	0	0	0	0	0
6	Saayman ,N (Nicolin)	2	1103.6	1528.6	2	1090.6	1528.6	0	0	0	0	0	0
7	Petersen ,E (Elijah)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
7	Petersen ,E (Elijah)	2	1177.1	964.6	2	1172	964.6	0	0	0	0	0	0
8	Hessie ,L (Luke)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
8	Hessie ,L (Luke)	2	1390.3	1602.8	2	1391.1	1602.8	0	0	0	0	0	0
9	Adams ,A (Adriano)	2	2	425	2	2	425	0	0	0	0	0	0
9	Adams ,A (Adriano)	2	1195.4	1620.4	2	1194.5	1620.4	0	0	0	0	0	0
10	Marner ,L (Loannes)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Marner ,L (Loannes)	2	1301.2	876.2	2	1335.4	876.2	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

Vries, 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