Chess South Africa Ratings Database

PLAYER PAGE

Personal

Korkie, J (Justin)

Chess SA id

198016272

FIDE id

Date of birth

1998-11-12 (Adult)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2021-02-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1366.1	1376.2	1282.2	1326
Raw rating	1366.1	1376.2	1282.2	1326
Weighted rating	1366.1	1376.2	1282.2	1325.6
Weighted performance	0	0	0	0
Floor	866.1	876.2	782.2	826
K-factor	36	36	36	36
Min/Max rating change allowed	130.9	129	147.5	138.6
Highest rating	1432.1 2019-09-01	1430.3 2019-09-01	1282.2 2019-01-01	1326 2024-02-01
Highest raw rating	1366.1 2024-02-01	1376.2 2024-02-01	1282.2 2024-02-01	1326 2024-02-01
Highest weighted rating	1366.1 2024-02-01	1376.2 2025-02-01	1282.2 2019-01-01	1324.5 2025-08-01
Highest weighted performance	1432.1 2019-09-01	1430.3 2019-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1366.1	1376.2	1282.2	1326
Analysis
Rating	1366.1	1376.2	1282.2	1326
Raw rating	1366.1	1376.2	1282.2	1326
Weighted rating	1366.1	1376.2	1282.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	866.1	876.2	782.2	826
Max/Min rating change allowed	130.9	129	147.5	138.6
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	1366.1	1376.2	1282.2	1326
New weighted rating	1366.1	1376.2	1282.2	1325.9
New weighted performance	0	0	0	0
Temp new rating	1366.1	1376.2	1282.2	1326
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1366.1	1376.2	1282.2	1326
New K-factor	36	36	36	36
New floor	866.1	876.2	782.2	826

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	5	5	0
History	173	130	43

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	16	11.5	71.88	185.9	1257.5	1443.4
Standard	16	11.5	71.88	185.9	1257.5	1443.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1366.1	1376.2	1282.2	1326
2025-09-01	1366.1	1376.2	1282.2	1326
2025-08-01	1366.1	1376.2	1282.2	1326
2025-07-01	1366.1	1376.2	1282.2	1326
2025-06-01	1366.1	1376.2	1282.2	1326
2025-05-01	1366.1	1376.2	1282.2	1326
2025-04-01	1366.1	1376.2	1282.2	1326
2025-03-01	1366.1	1376.2	1282.2	1326
2025-02-01	1366.1	1376.2	1282.2	1326
2025-01-01	1366.1	1376.2	1282.2	1326
2024-12-01	1366.1	1376.2	1282.2	1326
2024-11-01	1366.1	1376.2	1282.2	1326
2024-10-01	1366.1	1376.2	1282.2	1326
2024-09-01	1366.1	1376.2	1282.2	1326
2024-08-01	1366.1	1376.2	1282.2	1326
2024-07-01	1366.1	1376.2	1282.2	1326
2024-06-01	1366.1	1376.2	1282.2	1326
2024-08-01	1366.1	1376.2	1282.2	1326
2024-04-01	1366.1	1376.2	1282.2	1326
2024-03-01	1366.1	1376.2	1282.2	1326
2024-02-01	1366.1	1376.2	1282.2	1326
2024-01-01	1366.1	1376.2	1282.2	1326
2023-12-01	1366.1	1376.2	1282.2	1282.2
2023-11-01	1366.1	1376.2	1282.2	1282.2

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	Paul Roos Gymnasium Covid-19 Challenge 2021 (B)	2021-02-27	2021-02-28	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
2	2019 Western Province League (C)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	2	2	Yes	Analysis
3	2019 Western Province League (D)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	3	1.5	Yes	Analysis
4	Paul Roos Open Championship 2018 (C)	2018-09-22	2018-09-23	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis

#	Games	Start				End
1	7	Tournament 2019 Western Province League				Tournament Paul Roos Gymnasium Covid-19 Challenge 2021
		date 2019-08-03	rnd 4	type Standard	result 1	date 2021-02-27	rnd 3	type Standard	result 1
		Opponent Brown, JR (John-Rodney)				Opponent Campbell, G (Grant)
2	4	Tournament Paul Roos Open Championship 2018				Tournament Paul Roos Open Championship 2018
		date 2018-09-22	rnd 1	type Standard	result 1	date 2018-09-23	rnd 4	type Standard	result 1
		Opponent Grove, E (Emily)				Opponent Jones, C (Cailynn)
3	1	Tournament Paul Roos Gymnasium Covid-19 Challenge 2021				Tournament Paul Roos Gymnasium Covid-19 Challenge 2021
		date 2021-02-28	rnd 5	type Standard	result 1	date 2021-02-28	rnd 5	type Standard	result 1
		Opponent Van Zyl, M (Michael)				Opponent Van Zyl, M (Michael)

#	Games	Start				End
1	7	Tournament 2019 Western Province League				Tournament Paul Roos Gymnasium Covid-19 Challenge 2021
		date 2019-08-03	rnd 4	type Standard	result 1	date 2021-02-27	rnd 3	type Standard	result 1
		Opponent Brown, JR (John-Rodney)				Opponent Campbell, G (Grant)
2	4	Tournament Paul Roos Open Championship 2018				Tournament Paul Roos Open Championship 2018
		date 2018-09-22	rnd 1	type Standard	result 1	date 2018-09-23	rnd 4	type Standard	result 1
		Opponent Grove, E (Emily)				Opponent Jones, C (Cailynn)
3	1	Tournament Paul Roos Gymnasium Covid-19 Challenge 2021				Tournament Paul Roos Gymnasium Covid-19 Challenge 2021
		date 2021-02-28	rnd 5	type Standard	result 1	date 2021-02-28	rnd 5	type Standard	result 1
		Opponent Van Zyl, M (Michael)				Opponent Van Zyl, M (Michael)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Paul Roos Open Championship 2018				Tournament Paul Roos Open Championship 2018
		date 2018-09-22	rnd 1	type Standard	result 1	date 2018-09-23	rnd 4	type Standard	result 1
		Opponent Grove, E (Emily)				Opponent Jones, C (Cailynn)
2	3	Tournament Paul Roos Gymnasium Covid-19 Challenge 2021				Tournament Paul Roos Gymnasium Covid-19 Challenge 2021
		date 2021-02-27	rnd 1	type Standard	result 1	date 2021-02-27	rnd 3	type Standard	result 1
		Opponent Achiano, K (Kofi)				Opponent Campbell, G (Grant)
3	3	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-08-24	rnd 10	type Standard	result 1
		Opponent Brown, JR (John-Rodney)				Opponent Bastra, F (Faried)

#	Games	Start				End
1	4	Tournament Paul Roos Open Championship 2018				Tournament Paul Roos Open Championship 2018
		date 2018-09-22	rnd 1	type Standard	result 1	date 2018-09-23	rnd 4	type Standard	result 1
		Opponent Grove, E (Emily)				Opponent Jones, C (Cailynn)
2	3	Tournament Paul Roos Gymnasium Covid-19 Challenge 2021				Tournament Paul Roos Gymnasium Covid-19 Challenge 2021
		date 2021-02-27	rnd 1	type Standard	result 1	date 2021-02-27	rnd 3	type Standard	result 1
		Opponent Achiano, K (Kofi)				Opponent Campbell, G (Grant)
3	3	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-08-24	rnd 10	type Standard	result 1
		Opponent Brown, JR (John-Rodney)				Opponent Bastra, F (Faried)

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	Mbendeni ,S (Siyakudumisa Kenneth)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Mbendeni ,S (Siyakudumisa Kenneth)	1	1178.8	753.8	1	1174.4	753.8	0	0	0	0	0	0
2	Hagen ,D (Dirk)	1	1	425	1	1	425	0	0	0	0	0	0
2	Hagen ,D (Dirk)	1	1196.7	1621.7	1	1192.4	1621.7	0	0	0	0	0	0
3	Van Zyl ,M (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
3	Van Zyl ,M (Michael)	1	1288.5	1713.5	1	1270.4	1713.5	0	0	0	0	0	0
4	Snyders ,M (Meya)	1	1	425	1	1	425	0	0	0	0	0	0
4	Snyders ,M (Meya)	1	1153.2	1578.2	1	1129.5	1578.2	0	0	0	0	0	0
5	Matzdorff ,T (Terence)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Matzdorff ,T (Terence)	1	1235	810	1	1237.2	810	0	0	0	0	0	0
6	Sithole ,A (Anoona)	1	1	425	1	1	425	0	0	0	0	0	0
6	Sithole ,A (Anoona)	1	1446.9	1871.9	1	1448.9	1871.9	0	0	0	0	0	0
7	Jones ,C (Cailynn)	1	1	425	1	1	425	0	0	0	0	0	0
7	Jones ,C (Cailynn)	1	1119.9	1544.9	1	1111.4	1544.9	0	0	0	0	0	0
8	Bastra ,F (Faried)	1	1	425	1	1	425	0	0	0	0	0	0
8	Bastra ,F (Faried)	1	1174.8	1599.8	1	1173.2	1599.8	0	0	0	0	0	0
9	Campbell ,G (Grant)	1	1	425	1	1	425	0	0	0	0	0	0
9	Campbell ,G (Grant)	1	1396.1	1821.1	1	1426.7	1821.1	0	0	0	0	0	0
10	Grove ,E (Emily)	1	1	425	1	1	425	0	0	0	0	0	0
10	Grove ,E (Emily)	1	1075	1500	1	1047.2	1500	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Korkie, J (Justin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms