Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ockhuizen, J (Justin)

Chess SA id

1130300594

FIDE id

Date of birth

2013-05-23 (U14)

Gender

Male

Region

Namakwa (NCN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1177.1	1162	1272	1200
Raw rating	1169.8	1134.9	1272	1200
Weighted rating	1177.1	1162	1226.4	1200
Weighted performance	0	0	0	0
Floor	700	700	772	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.1	181.9	149.6	165.8
Highest rating	1200 2024-03-01	1200 2024-03-01	1272 2025-09-01	1200 2024-04-01
Highest raw rating	1200 2024-03-01	1200 2024-03-01	1272 2025-09-01	1200 2024-04-01
Highest weighted rating	1200 2024-03-01	1200 2024-03-01	1205.8 2025-09-01	1200 2024-04-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-04-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.7	-2.6	0	0
New rating	1176.5	1159.3	1272	1200
Analysis
Rating	1177.1	1162	1272	1200
Raw rating	1169.8	1134.9	1272	1200
Weighted rating	1177.1	1162	1226.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	772	700
Max/Min rating change allowed	173.1	181.9	149.6	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	1169.8	1134.9	1272	1200
New weighted rating	1176.5	1159.3	1231	1200
New weighted performance	0	0	0	0
Temp new rating	1176.5	1159.3	1272	1200
Temp new rating +/-	-0.7	-2.6	0	0
Final new rating +/-	-0.7	-2.6	0	0
New rating	1176.5	1159.3	1272	1200
New K-factor	36	36	36	36
New floor	700	700	772	700

Item	Main	Standard	Rapid
	0	0	0
	17	9	8
	8	8	0
	0	0	0
	0	0	0
	0	0	0
History	25	17	8

Games since
	Main 25	Standard 17		Rapid 8		Blitz 0
Gender	Male
Age group	U14
Region	Namakwa (NCN)
Province	Northern Cape (NC)
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	17	9	52.94	25	1213.6	1238.6
Standard	9	3	33.33	-141.7	1216.1	1074.4
Rapid	8	6	75	212.5	1210.9	1423.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	12	48	-17	1207.3	1190.3
Standard	17	6	35.29	-125	1205.5	1080.5
Rapid	8	6	75	212.5	1210.9	1423.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1169.8	1134.9	1272	1200
2025-11-30	1169.8	1134.9	1272	1200
2025-11-01	1169.8	1134.9	1272	1200
2025-09-30	1169.8	1134.9	1272	1200
2025-09-01	1169.8	1134.9	1272	1200
2025-08-01	1199	1199.3	1200	1200
2025-07-01	1199	1199.3	1200	1200
2025-06-01	1199	1199.3	1200	1200
2025-05-01	1179.5	1175.3	1200	1200
2025-04-01	1179.5	1175.3	1200	1200
2025-03-01	1179.5	1175.3	1200	1200
2025-02-01	1179.2	1174.9	1200	1200
2025-01-01	1167.8	1161.2	1200	1200
2024-12-01	1167.8	1161.2	1200	1200
2024-11-01	1167.8	1161.2	1200	1200
2024-10-01	1167.8	1161.2	1200	1200
2024-09-01	1167.8	1161.2	1200	1200
2024-11-01	1167.8	1161.2	1200	1200
2024-07-01	1167.8	1161.2	1200	1200
2024-06-01	1167.8	1161.2	1200	1200
2024-05-01	1184.7	1181.6	1200	1200
2024-04-01	1184.7	1181.6	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	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	Northern Cape Closed 202 (U14 Open)	2025-08-22	2025-08-23	Standard	ZF Mgcawu (NZF)	5	4	0	Yes	Analysis
2	Namakwa Toernooi 3 2025 (U14)	2025-08-09	2025-08-09	Rapid	Namakwa (NCN)	8	8	6	Yes	Analysis
3	2025 Namakwa Skaak Toernoei 2.0 (U10+U12)	2025-05-10	2025-05-10	Standard	Namakwa (NCN)	5	5	3	Yes	Analysis
4	Namakwa Toernooi 27 April 2024 (U13)	2024-04-27	2024-04-27	Standard	Namakwa (NCN)	5	5	2	Yes	Analysis
5	2024 Namakwa Skole Skaak (O13)	2024-03-09	2024-03-09	Standard	Namakwa (NCN)	3	3	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2025 Namakwa Skaak Toernoei 2.0				Tournament Namakwa Toernooi 3 2025
		date 2025-05-10	rnd 3	type Standard	result 0.5	date 2025-08-09	rnd 1	type Rapid	result 1
		Opponent Gouws, I (Irone)				Opponent Cloete, J (Jaunice)
2	3	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 3	type Rapid	result 1	date 2025-08-09	rnd 5	type Rapid	result 1
		Opponent Milfordt, A (Avery)				Opponent Van Den Heever, J (Joshua)
3	2	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 7	type Rapid	result 1	date 2025-08-09	rnd 8	type Rapid	result 1
		Opponent Milfordt, M (Millicent)				Opponent Cekuse, N (Ntsika)

#	Games	Start				End
1	3	Tournament 2025 Namakwa Skaak Toernoei 2.0				Tournament 2025 Namakwa Skaak Toernoei 2.0
		date 2025-05-10	rnd 3	type Standard	result 0.5	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Gouws, I (Irone)				Opponent Balie, S (Shivaan)
2	1	Tournament 2025 Namakwa Skaak Toernoei 2.0				Tournament 2025 Namakwa Skaak Toernoei 2.0
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Engelbrecht, M (Marnay)				Opponent Engelbrecht, M (Marnay)
3	1	Tournament Namakwa Toernooi 27 April 2024				Tournament Namakwa Toernooi 27 April 2024
		date 2024-04-27	rnd 4	type Standard	result 1	date 2024-04-27	rnd 4	type Standard	result 1
		Opponent Verghese, S (Sarah)				Opponent Verghese, S (Sarah)

#	Games	Start				End
1	3	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 3	type Rapid	result 1	date 2025-08-09	rnd 5	type Rapid	result 1
		Opponent Milfordt, A (Avery)				Opponent Van Den Heever, J (Joshua)
2	2	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 7	type Rapid	result 1	date 2025-08-09	rnd 8	type Rapid	result 1
		Opponent Milfordt, M (Millicent)				Opponent Cekuse, N (Ntsika)
3	1	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 1	type Rapid	result 1	date 2025-08-09	rnd 1	type Rapid	result 1
		Opponent Cloete, J (Jaunice)				Opponent Cloete, J (Jaunice)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 3	type Rapid	result 1	date 2025-08-09	rnd 5	type Rapid	result 1
		Opponent Milfordt, A (Avery)				Opponent Van Den Heever, J (Joshua)
2	2	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 7	type Rapid	result 1	date 2025-08-09	rnd 8	type Rapid	result 1
		Opponent Milfordt, M (Millicent)				Opponent Cekuse, N (Ntsika)
3	2	Tournament 2025 Namakwa Skaak Toernoei 2.0				Tournament Namakwa Toernooi 3 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-08-09	rnd 1	type Rapid	result 1
		Opponent Balie, S (Shivaan)				Opponent Cloete, J (Jaunice)

#	Games	Start				End
1	1	Tournament 2025 Namakwa Skaak Toernoei 2.0				Tournament 2025 Namakwa Skaak Toernoei 2.0
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Balie, S (Shivaan)				Opponent Balie, S (Shivaan)
2	1	Tournament 2025 Namakwa Skaak Toernoei 2.0				Tournament 2025 Namakwa Skaak Toernoei 2.0
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Engelbrecht, M (Marnay)				Opponent Engelbrecht, M (Marnay)
3	1	Tournament Namakwa Toernooi 27 April 2024				Tournament Namakwa Toernooi 27 April 2024
		date 2024-04-27	rnd 4	type Standard	result 1	date 2024-04-27	rnd 4	type Standard	result 1
		Opponent Verghese, S (Sarah)				Opponent Verghese, S (Sarah)

#	Games	Start				End
1	3	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 3	type Rapid	result 1	date 2025-08-09	rnd 5	type Rapid	result 1
		Opponent Milfordt, A (Avery)				Opponent Van Den Heever, J (Joshua)
2	2	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 7	type Rapid	result 1	date 2025-08-09	rnd 8	type Rapid	result 1
		Opponent Milfordt, M (Millicent)				Opponent Cekuse, N (Ntsika)
3	1	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 1	type Rapid	result 1	date 2025-08-09	rnd 1	type Rapid	result 1
		Opponent Cloete, J (Jaunice)				Opponent Cloete, J (Jaunice)

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	Van Den Heever ,J (Joshua)	2	1	0	1	0	-425	1	1	425	0	0	0
1	Van Den Heever ,J (Joshua)	2	1246.7	1246.7	1	1201.6	821.7	1	1200	1671.7	0	0	0
2	Cekuse ,N (Ntsika)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
2	Cekuse ,N (Ntsika)	2	1203.1	1415.6	1	1185	1203.1	1	1200	1628.1	0	0	0
3	Engelbrecht ,M (Marnay)	2	2	425	1	1	425	1	1	425	0	0	0
3	Engelbrecht ,M (Marnay)	2	1199.8	1624.8	1	1200	1624.8	1	1200	1624.8	0	0	0
4	Gouws ,I (Irone)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Gouws ,I (Irone)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
5	Tyhulu ,E (Endinalo)	1	1	425	1	1	425	0	0	0	0	0	0
5	Tyhulu ,E (Endinalo)	1	1181.4	1606.4	1	1177.2	1606.4	0	0	0	0	0	0
6	Tom ,K (Kamogelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Tom ,K (Kamogelo)	1	1273	848	1	1283.3	848	0	0	0	0	0	0
7	Balie ,S (Shivaan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Balie ,S (Shivaan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Loubser ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Loubser ,C (Christiaan)	1	1203.3	778.3	1	1204	778.3	0	0	0	0	0	0
9	Cloete ,T (Tayvian)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Cloete ,T (Tayvian)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Fuzani ,Z (Zamuthando)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Fuzani ,Z (Zamuthando)	1	1217.6	792.6	1	1220	792.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ockhuizen, J (Justin)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms