Chess South Africa Ratings Database

PLAYER PAGE

Personal

Krynauw, J (Joshua)

Chess SA id

105083971

FIDE id

Date of birth

2005-05-16 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-03-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	807	813.6	655.7	500
Raw rating	807	813.6	655.7	500
Weighted rating	807	813.6	655	500
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	290.3	287.5	360.1	449.5
Highest rating	1460.4 2018-02-01	1460.4 2018-02-01	1200 2018-02-01	1200 2024-02-01
Highest raw rating	807 2024-02-01	813.6 2024-02-01	655.7 2024-02-01	500 2024-02-01
Highest weighted rating	807 2024-11-01	813.6 2024-11-01	655.7 2024-11-01	500 2024-11-01
Highest weighted performance	1460.4 2018-02-01	1460.4 2018-02-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	807	813.6	655.7	500
Analysis
Rating	807	813.6	655.7	500
Raw rating	807	813.6	655.7	500
Weighted rating	807	813.6	655
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	290.3	287.5	360.1	449.5
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	807	813.6	655.7	500
New weighted rating	807	813.6	655.5	500
New weighted performance	0	0	0	0
Temp new rating	807	813.6	655.7	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	807	813.6	655.7	500
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	38	32	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Eden (WEG)
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	23	11.5	50	0	1144.4	1144.4
Standard	17	9.5	55.88	50	1104.1	1154.1
Rapid	6	2	33.33	-141.7	1258.4	1116.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	807	813.6	655.7	500
2025-09-01	807	813.6	655.7	500
2025-08-01	807	813.6	655.7	500
2025-07-01	807	813.6	655.7	500
2025-06-01	807	813.6	655.7	500
2025-05-01	807	813.6	655.7	500
2025-04-01	807	813.6	655.7	500
2025-03-01	807	813.6	655.7	500
2025-02-01	807	813.6	655.7	500
2025-01-01	807	813.6	655.7	500
2024-12-01	807	813.6	655.7	500
2024-11-01	807	813.6	655.7	500
2024-10-01	807	813.6	655.7	500
2024-09-01	807	813.6	655.7	500
2024-08-01	807	813.6	655.7	500
2024-07-01	807	813.6	655.7	500
2024-06-01	807	813.6	655.7	500
2024-08-01	807	813.6	655.7	500
2024-04-01	807	813.6	655.7	500
2024-03-01	807	813.6	655.7	500
2024-02-01	807	813.6	655.7	500
2024-01-01	807	813.6	655.7	500
2023-12-01	806.6	813.6	579.2	500
2023-11-01	806.6	813.6	579.2	500

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	Courtrai Young Master Festival 2019 (Open)	2019-03-02	2019-03-02	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis
2	2019 Metro-East District Schools Trials (U15)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	2018 WP Schools Closed Trials (U13 Boys)	2018-03-09	2018-03-10	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
4	District East Schools Chess Open Trials 2018 (U13)	2018-02-02	2018-02-03	Standard	Cape Town (WCT)	6	5	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament District East Schools Chess Open Trials 2018				Tournament District East Schools Chess Open Trials 2018
		date 2018-02-02	rnd 2	type Standard	result 1	date 2018-02-03	rnd 4	type Standard	result 1
		Opponent Ezau, W (Wade)				Opponent Wang, ZN (Zi Ning)
2	2	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-01	rnd 1	type Standard	result 1	date 2019-02-01	rnd 2	type Standard	result 1
		Opponent Khaluli, N (Nkatiseng)				Opponent Fothoka, S (Sinelizwi)
3	2	Tournament 2018 WP Schools Closed Trials				Tournament 2018 WP Schools Closed Trials
		date 2018-03-09	rnd 2	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Fortuin, A (Aiden)				Opponent Mbana, G (Gratten)

#	Games	Start				End
1	3	Tournament District East Schools Chess Open Trials 2018				Tournament District East Schools Chess Open Trials 2018
		date 2018-02-02	rnd 2	type Standard	result 1	date 2018-02-03	rnd 4	type Standard	result 1
		Opponent Ezau, W (Wade)				Opponent Wang, ZN (Zi Ning)
2	2	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-01	rnd 1	type Standard	result 1	date 2019-02-01	rnd 2	type Standard	result 1
		Opponent Khaluli, N (Nkatiseng)				Opponent Fothoka, S (Sinelizwi)
3	2	Tournament 2018 WP Schools Closed Trials				Tournament 2018 WP Schools Closed Trials
		date 2018-03-09	rnd 2	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Fortuin, A (Aiden)				Opponent Mbana, G (Gratten)

#	Games	Start				End
1	1	Tournament Courtrai Young Master Festival 2019				Tournament Courtrai Young Master Festival 2019
		date 2019-03-02	rnd 6	type Rapid	result 1	date 2019-03-02	rnd 6	type Rapid	result 1
		Opponent Thorburn, J (Joshua-Alec)				Opponent Thorburn, J (Joshua-Alec)
2	1	Tournament Courtrai Young Master Festival 2019				Tournament Courtrai Young Master Festival 2019
		date 2019-03-02	rnd 2	type Rapid	result 1	date 2019-03-02	rnd 2	type Rapid	result 1
		Opponent Davids, H (Hendrina)				Opponent Davids, H (Hendrina)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament District East Schools Chess Open Trials 2018				Tournament District East Schools Chess Open Trials 2018
		date 2018-02-02	rnd 2	type Standard	result 1	date 2018-02-03	rnd 4	type Standard	result 1
		Opponent Ezau, W (Wade)				Opponent Wang, ZN (Zi Ning)
2	2	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-01	rnd 1	type Standard	result 1	date 2019-02-01	rnd 2	type Standard	result 1
		Opponent Khaluli, N (Nkatiseng)				Opponent Fothoka, S (Sinelizwi)
3	2	Tournament 2018 WP Schools Closed Trials				Tournament 2018 WP Schools Closed Trials
		date 2018-03-09	rnd 2	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Fortuin, A (Aiden)				Opponent Mbana, G (Gratten)

#	Games	Start				End
1	3	Tournament District East Schools Chess Open Trials 2018				Tournament District East Schools Chess Open Trials 2018
		date 2018-02-02	rnd 2	type Standard	result 1	date 2018-02-03	rnd 4	type Standard	result 1
		Opponent Ezau, W (Wade)				Opponent Wang, ZN (Zi Ning)
2	2	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-01	rnd 1	type Standard	result 1	date 2019-02-01	rnd 2	type Standard	result 1
		Opponent Khaluli, N (Nkatiseng)				Opponent Fothoka, S (Sinelizwi)
3	2	Tournament 2018 WP Schools Closed Trials				Tournament 2018 WP Schools Closed Trials
		date 2018-03-09	rnd 2	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Fortuin, A (Aiden)				Opponent Mbana, G (Gratten)

#	Games	Start				End
1	1	Tournament Courtrai Young Master Festival 2019				Tournament Courtrai Young Master Festival 2019
		date 2019-03-02	rnd 6	type Rapid	result 1	date 2019-03-02	rnd 6	type Rapid	result 1
		Opponent Thorburn, J (Joshua-Alec)				Opponent Thorburn, J (Joshua-Alec)
2	1	Tournament Courtrai Young Master Festival 2019				Tournament Courtrai Young Master Festival 2019
		date 2019-03-02	rnd 2	type Rapid	result 1	date 2019-03-02	rnd 2	type Rapid	result 1
		Opponent Davids, H (Hendrina)				Opponent Davids, H (Hendrina)

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	Le Fleur ,T (Tyler)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Le Fleur ,T (Tyler)	1	663	238	1	696.4	238	0	0	0	0	0	0
2	Fothoka ,S (Sinelizwi)	1	1	425	1	1	425	0	0	0	0	0	0
2	Fothoka ,S (Sinelizwi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Diniso ,S (Solulele)	1	1	425	1	1	425	0	0	0	0	0	0
3	Diniso ,S (Solulele)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Wang ,ZN (Zi Ning)	1	1	425	1	1	425	0	0	0	0	0	0
4	Wang ,ZN (Zi Ning)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Samuels ,K (Kieran)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Samuels ,K (Kieran)	1	1414.1	989.1	1	1418.5	989.1	0	0	0	0	0	0
6	Swartz ,D (David)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Swartz ,D (David)	1	631.5	206.5	1	500	206.5	0	0	0	0	0	0
7	Willenberg ,K (Keagan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Willenberg ,K (Keagan)	1	1222.2	797.2	1	1222.2	797.2	0	0	0	0	0	0
8	Riffel ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Riffel ,D (Daniel)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Swart ,S (Steffan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Swart ,S (Steffan)	1	1166.8	1166.8	1	1202	1166.8	0	0	0	0	0	0
10	Joubert ,K (Keegan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Joubert ,K (Keegan)	1	1006.9	581.9	1	1027.6	581.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Krynauw, 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