Chess South Africa Ratings Database

PLAYER PAGE

Personal

Changuion, J (Joshua)

Chess SA id

1140305141

FIDE id

Date of birth

2014-09-19 (U12)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

12.7

Junior GPX Points

1121.2

Item	Main	Standard	Rapid	Blitz
Rating	1239.5	1239.4	1200	1199
Raw rating	1239.5	1239.4	1200	1199
Weighted rating	1233.5	1235.1	1200	1198.9
Weighted performance	1190.9	1186.9	0	0
Floor	757.1	760.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.7	156.8	165.8	166
Highest rating	1302.7 2024-09-01	1298.9 2024-09-01	1200 2024-05-01	1200 2024-05-01
Highest raw rating	1257.1 2025-05-05	1260.7 2025-05-05	1200 2024-05-01	1200 2024-05-01
Highest weighted rating	1233.5 2025-09-30	1235.1 2025-09-30	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1302.7 2024-09-01	1298.9 2024-09-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1239.5	1239.4	1200	1199
Analysis
Rating	1239.5	1239.4	1200	1199
Raw rating	1239.5	1239.4	1200	1199
Weighted rating	1233.5	1235.1	1200
Weighted performance	1190.9	1186.9	0
K-factor	36	36	36	36
Floor	757.1	760.7	700	700
Max/Min rating change allowed	156.7	156.8	165.8	166
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	1239.5	1239.4	1200	1199
New weighted rating	1234.9	1236.3	1200	1198.9
New weighted performance	1190.5	1186.5	0	0
Temp new rating	1239.5	1239.4	1200	1199
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1239.5	1239.4	1200	1199
New K-factor	36	36	36	36
New floor	757.1	760.7	700	700

Item	Main	Standard	Blitz
	0	0	0
	12	12	0
	24	15	9
	0	0	0
	0	0	0
	0	0	0
History	36	27	9

Games since
	Main 36	Standard 27		Rapid 0		Blitz 9
Gender	Male
Age group	U12
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	12	5.5	45.83	-35.4	1263.9	1228.5
Standard	12	5.5	45.83	-35.4	1263.9	1228.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	36	17	47.22	-23.6	1296.1	1272.5
Standard	27	13	48.15	-15.7	1264.2	1248.4
Rapid	0	0	0	0	0	0
Blitz	9	4	44.44	-47.2	1391.7	1344.5

Date	Main	Standard	Rapid	Blitz
2025-09-30	1239.5	1239.4	1200	1199
2025-09-01	1240.4	1239.8	1200	1199
2025-08-01	1240.4	1239.8	1200	1199
2025-07-01	1240.4	1239.8	1200	1199
2025-06-01	1240.4	1239.8	1200	1199
2025-05-01	1257.1	1260.7	1200	1199
2025-04-01	1247.2	1250	1200	1199
2025-03-01	1247.2	1250	1200	1199
2025-02-01	1247.2	1250	1200	1198.4
2025-01-01	1247.2	1250	1200	1190
2024-12-01	1239.8	1250	1200	1200
2024-11-01	1239.8	1250	1200	1200
2024-10-01	1239.8	1250	1200	1200
2024-09-01	1201	1197.6	1200	1200
2024-08-01	1201	1197.6	1200	1200
2024-07-01	1201	1197.6	1200	1200
2024-06-01	1181.1	1177.2	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	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	2025 Centurion Chess Open Tournament (D)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
2	Centurion Club Closed Chess Tournament 2025	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	2	0	Yes	Analysis
3	2025 Mid Gauteng Open Chess Tournament (D)	2025-04-12	2025-04-12	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Centurion Chess Open Tournament (D)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
2	Centurion Club Closed Chess Tournament 2025	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	2	0	Yes	Analysis
3	2025 Mid Gauteng Open Chess Tournament (D)	2025-04-12	2025-04-12	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	CCC Blitz 2024	2024-12-04	2024-12-04	Blitz	Tshwane (GTP)	9	9	4	Yes	Analysis
5	Centurion Chess Open Tournament 2024 (C)	2024-09-21	2024-09-21	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
6	2024 Elise Steenkamp Open Chess Tournament (Rooks)	2024-06-15	2024-06-15	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
7	2024 Centurion Club Closed Chess Tournament (B)	2024-05-25	2024-05-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2025 Mid Gauteng Open Chess Tournament				Tournament 2025 Mid Gauteng Open Chess Tournament
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Moshoma, P (Paballo)				Opponent Matabane, K (Kgothatso)
2	2	Tournament Centurion Chess Open Tournament 2024				Tournament Centurion Chess Open Tournament 2024
		date 2024-09-21	rnd 4	type Standard	result 1	date 2024-09-21	rnd 5	type Standard	result 1
		Opponent Shili, M (Musa)				Opponent Adamson, A (Amani)
3	2	Tournament Centurion Chess Open Tournament 2024				Tournament Centurion Chess Open Tournament 2024
		date 2024-09-21	rnd 1	type Standard	result 0.5	date 2024-09-21	rnd 2	type Standard	result 1
		Opponent Coetzee, CH (Casper)				Opponent Carey, O (Oliver)

#	Games	Start				End
1	4	Tournament Centurion Chess Open Tournament 2024				Tournament 2025 Mid Gauteng Open Chess Tournament
		date 2024-09-21	rnd 4	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Shili, M (Musa)				Opponent Matabane, K (Kgothatso)
2	2	Tournament Centurion Chess Open Tournament 2024				Tournament Centurion Chess Open Tournament 2024
		date 2024-09-21	rnd 1	type Standard	result 0.5	date 2024-09-21	rnd 2	type Standard	result 1
		Opponent Coetzee, CH (Casper)				Opponent Carey, O (Oliver)
3	2	Tournament 2024 Elise Steenkamp Open Chess Tournament				Tournament 2024 Elise Steenkamp Open Chess Tournament
		date 2024-06-15	rnd 2	type Standard	result 1	date 2024-06-15	rnd 3	type Standard	result 1
		Opponent Jansen Van Vuuren, G (Griffin)				Opponent Pillay, Y (Yishai)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CCC Blitz 2024				Tournament CCC Blitz 2024
		date 2024-12-04	rnd 8	type Blitz	result 1	date 2024-12-04	rnd 8	type Blitz	result 1
		Opponent Hattingh, M (Morne)				Opponent Hattingh, M (Morne)
2	1	Tournament CCC Blitz 2024				Tournament CCC Blitz 2024
		date 2024-12-04	rnd 6	type Blitz	result 1	date 2024-12-04	rnd 6	type Blitz	result 1
		Opponent Tembo, A (Adonai)				Opponent Tembo, A (Adonai)
3	1	Tournament CCC Blitz 2024				Tournament CCC Blitz 2024
		date 2024-12-04	rnd 4	type Blitz	result 1	date 2024-12-04	rnd 4	type Blitz	result 1
		Opponent Fine, J (Jad)				Opponent Fine, J (Jad)

#	Games	Start				End
1	2	Tournament 2025 Mid Gauteng Open Chess Tournament				Tournament 2025 Mid Gauteng Open Chess Tournament
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Moshoma, P (Paballo)				Opponent Matabane, K (Kgothatso)
2	2	Tournament Centurion Chess Open Tournament 2024				Tournament Centurion Chess Open Tournament 2024
		date 2024-09-21	rnd 4	type Standard	result 1	date 2024-09-21	rnd 5	type Standard	result 1
		Opponent Shili, M (Musa)				Opponent Adamson, A (Amani)
3	2	Tournament 2024 Elise Steenkamp Open Chess Tournament				Tournament 2024 Elise Steenkamp Open Chess Tournament
		date 2024-06-15	rnd 2	type Standard	result 1	date 2024-06-15	rnd 3	type Standard	result 1
		Opponent Jansen Van Vuuren, G (Griffin)				Opponent Pillay, Y (Yishai)

#	Games	Start				End
1	4	Tournament Centurion Chess Open Tournament 2024				Tournament 2025 Mid Gauteng Open Chess Tournament
		date 2024-09-21	rnd 4	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Shili, M (Musa)				Opponent Matabane, K (Kgothatso)
2	2	Tournament 2024 Elise Steenkamp Open Chess Tournament				Tournament 2024 Elise Steenkamp Open Chess Tournament
		date 2024-06-15	rnd 2	type Standard	result 1	date 2024-06-15	rnd 3	type Standard	result 1
		Opponent Jansen Van Vuuren, G (Griffin)				Opponent Pillay, Y (Yishai)
3	1	Tournament 2025 Mid Gauteng Open Chess Tournament				Tournament 2025 Mid Gauteng Open Chess Tournament
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Voogt, A (Arno)				Opponent Voogt, A (Arno)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CCC Blitz 2024				Tournament CCC Blitz 2024
		date 2024-12-04	rnd 8	type Blitz	result 1	date 2024-12-04	rnd 8	type Blitz	result 1
		Opponent Hattingh, M (Morne)				Opponent Hattingh, M (Morne)
2	1	Tournament CCC Blitz 2024				Tournament CCC Blitz 2024
		date 2024-12-04	rnd 6	type Blitz	result 1	date 2024-12-04	rnd 6	type Blitz	result 1
		Opponent Tembo, A (Adonai)				Opponent Tembo, A (Adonai)
3	1	Tournament CCC Blitz 2024				Tournament CCC Blitz 2024
		date 2024-12-04	rnd 4	type Blitz	result 1	date 2024-12-04	rnd 4	type Blitz	result 1
		Opponent Fine, J (Jad)				Opponent Fine, J (Jad)

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	Kgwale ,K (Keratilwe)	1	1	425	1	1	425	0	0	0	0	0	0
1	Kgwale ,K (Keratilwe)	1	1306	1731	1	1302.2	1731	0	0	0	0	0	0
2	Moholo ,T (Tshiamo)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Moholo ,T (Tshiamo)	1	1237.8	812.8	1	1245.2	812.8	0	0	0	0	0	0
3	Pillay ,Y (Yishai)	1	1	425	1	1	425	0	0	0	0	0	0
3	Pillay ,Y (Yishai)	1	1449.6	1874.6	1	1437	1874.6	0	0	0	0	0	0
4	Burger ,C (Christoff)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Burger ,C (Christoff)	1	1291.3	866.3	1	1297.9	866.3	0	0	0	0	0	0
5	Alberts ,E (Enrico)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Alberts ,E (Enrico)	1	1490.4	1065.4	1	1489.1	1065.4	0	0	0	0	0	0
6	Voogt ,A (Arno)	1	1	425	1	1	425	0	0	0	0	0	0
6	Voogt ,A (Arno)	1	1217.7	1642.7	1	1220.8	1642.7	0	0	0	0	0	0
7	Nonyane ,I (Itumeleng)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Nonyane ,I (Itumeleng)	1	1300.6	875.6	1	1261.9	875.6	0	0	0	0	0	0
8	Moshoma ,P (Paballo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Moshoma ,P (Paballo)	1	1175.7	1600.7	1	1179.7	1600.7	0	0	0	0	0	0
9	Chadalavada ,B (Bhaarghavarama)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Chadalavada ,B (Bhaarghavarama)	1	1280.4	855.4	1	1263.2	855.4	0	0	0	0	0	0
10	Schoeman ,RR (Russo Robbertse)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Schoeman ,RR (Russo Robbertse)	1	1152.2	1152.2	1	1142.8	1152.2	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

Changuion, 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