Chess South Africa Ratings Database

PLAYER PAGE

Personal

Schonken, JA (Johannes Albertus)

Chess SA id

103033529

FIDE id

Date of birth

2003-01-24 (Adult)

Gender

Male

Region

Lejweleputswa (FLW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-01-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1008.4	998.3	949	949
Raw rating	1008.4	998.3	949	949
Weighted rating	1008.4	998.3	949	949
Weighted performance	174	173.3	0	0
Floor	558.8	547	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	217.9	221	237.1	237.1
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1058.8 2019-01-01	1047 2019-01-01	949 2024-02-01	949 2024-02-01
Highest weighted rating	1058.8 2024-11-01	1047 2024-11-01	949 2024-11-01	949 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1008.4	998.3	949	949
Analysis
Rating	1008.4	998.3	949	949
Raw rating	1008.4	998.3	949	949
Weighted rating	1008.4	998.3	949
Weighted performance	174	173.3	0
K-factor	40	40	40	40
Floor	558.8	547	500	500
Max/Min rating change allowed	217.9	221	237.1	237.1
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	1008.4	998.3	949	949
New weighted rating	1008.4	998.3	949	949
New weighted performance	173.7	173	0	0
Temp new rating	1008.4	998.3	949	949
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1008.4	998.3	949	949
New K-factor	40	40	40	40
New floor	558.8	547	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	311	304	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Lejweleputswa (FLW)
Province	Free State (FS)
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	74	31.5	42.57	-63.2	1054.6	991.4
Standard	74	31.5	42.57	-63.2	1054.6	991.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1008.4	998.3	949	949
2025-09-01	1008.4	998.3	949	949
2025-08-01	1008.4	998.3	949	949
2025-07-01	1008.4	998.3	949	949
2025-06-01	1008.4	998.3	949	949
2025-05-01	1008.4	998.3	949	949
2025-04-01	1008.4	998.3	949	949
2025-03-01	1008.4	998.3	949	949
2025-02-01	1008.4	998.3	949	949
2025-01-01	1008.4	998.3	949	949
2024-12-01	1008.4	998.3	949	949
2024-11-01	1008.4	998.3	949	949
2024-10-01	1008.4	998.3	949	949
2024-09-01	1008.4	998.3	949	949
2024-08-01	1008.4	998.3	949	949
2024-07-01	1008.4	998.3	949	949
2024-06-01	1008.4	998.3	949	949
2024-08-01	1008.4	998.3	949	949
2024-04-01	1008.4	998.3	949	949
2024-03-01	1008.4	998.3	949	949
2024-02-01	1008.4	998.3	949	949
2024-01-01	1008.4	998.3	949	949
2023-12-01	1008.4	998.3	949	949
2023-11-01	1008.4	998.3	949	949

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	2019 South African Junior Team Championships (U18C)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	5	1.5	Yes	Analysis
2	Inter Regional Chess Championship 2019 (U18)	2019-05-10	2019-05-11	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
3	Lejweleputswa 5th Qualifier 2019 (Open)	2019-04-13	2019-04-13	Standard	Lejweleputswa (FLW)	5	5	1	Yes	Analysis
4	Lejweleputswa 2nd Qualifying Swiss Open Tournament 2019 (B)	2019-01-26	2019-01-26	Standard	Lejweleputswa (FLW)	5	4	0.5	Yes	Analysis
5	2018 Wild Card Chess Championships (U16 Open)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
6	South African Junior Team Championships 2018 (U16C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
7	Lejweleputswa 1st Qualifier 2019 (U18)	2018-10-27	2018-10-27	Standard	Lejweleputswa (FLW)	5	5	2	Yes	Analysis
8	Lejweleputswa 7th Qualifying Swiss Open Tournament 2018 (U16)	2018-06-23	2018-06-23	Standard	Lejweleputswa (FLW)	5	5	3.5	Yes	Analysis
9	Inter Regional 2018 (U16 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	2	Yes	Analysis
10	Lejweleputswa 5th Qualifying Swiss Open Tournament 2018 (U16)	2018-04-21	2018-04-21	Standard	Lejweleputswa (FLW)	5	4	2	Yes	Analysis
11	Lejweleputswa 4th Qualifying Swiss Open Tournament 2018	2018-03-10	2018-03-10	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis
12	Lejweleputswa 3rd Qualifying Swiss Open Tournament 2018 (U16)	2018-02-24	2018-02-24	Standard	Lejweleputswa (FLW)	5	5	2.5	Yes	Analysis
13	Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018 (C)	2018-01-27	2018-01-27	Standard	Lejweleputswa (FLW)	5	5	2.5	Yes	Analysis
14	South African Junior Team Championships 2017 (U16C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 4	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 0.5
		Opponent Smith, B (Brandon)				Opponent Willenberg, K (Keagan)
2	4	Tournament Lejweleputswa 4th Qualifying Swiss Open Tournament 2018				Tournament Lejweleputswa 5th Qualifying Swiss Open Tournament 2018
		date 2018-03-10	rnd 4	type Standard	result 0.5	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Choane, OOP (Omphile)				Opponent Schutte, A (Andre)
3	3	Tournament Lejweleputswa 7th Qualifying Swiss Open Tournament 2018				Tournament Lejweleputswa 1st Qualifier 2019
		date 2018-06-23	rnd 4	type Standard	result 1	date 2018-10-27	rnd 1	type Standard	result 1
		Opponent Young, RB (Ruhan)				Opponent Young, M (Megan)

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 4	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 0.5
		Opponent Smith, B (Brandon)				Opponent Willenberg, K (Keagan)
2	4	Tournament Lejweleputswa 4th Qualifying Swiss Open Tournament 2018				Tournament Lejweleputswa 5th Qualifying Swiss Open Tournament 2018
		date 2018-03-10	rnd 4	type Standard	result 0.5	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Choane, OOP (Omphile)				Opponent Schutte, A (Andre)
3	3	Tournament Lejweleputswa 7th Qualifying Swiss Open Tournament 2018				Tournament Lejweleputswa 1st Qualifier 2019
		date 2018-06-23	rnd 4	type Standard	result 1	date 2018-10-27	rnd 1	type Standard	result 1
		Opponent Young, RB (Ruhan)				Opponent Young, M (Megan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Lejweleputswa 7th Qualifying Swiss Open Tournament 2018				Tournament Lejweleputswa 1st Qualifier 2019
		date 2018-06-23	rnd 4	type Standard	result 1	date 2018-10-27	rnd 1	type Standard	result 1
		Opponent Young, RB (Ruhan)				Opponent Young, M (Megan)
2	3	Tournament Lejweleputswa 4th Qualifying Swiss Open Tournament 2018				Tournament Lejweleputswa 5th Qualifying Swiss Open Tournament 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Nkosi, N (Nkosinathi)				Opponent Schutte, A (Andre)
3	2	Tournament South African Junior Team Championships 2017				Tournament Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-01-27	rnd 1	type Standard	result 1
		Opponent Van Der Westhuizen, GJH (Gerhardus)				Opponent Van Zyl, LE (Lucille)

#	Games	Start				End
1	3	Tournament Lejweleputswa 7th Qualifying Swiss Open Tournament 2018				Tournament Lejweleputswa 1st Qualifier 2019
		date 2018-06-23	rnd 4	type Standard	result 1	date 2018-10-27	rnd 1	type Standard	result 1
		Opponent Young, RB (Ruhan)				Opponent Young, M (Megan)
2	3	Tournament Lejweleputswa 4th Qualifying Swiss Open Tournament 2018				Tournament Lejweleputswa 5th Qualifying Swiss Open Tournament 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Nkosi, N (Nkosinathi)				Opponent Schutte, A (Andre)
3	2	Tournament South African Junior Team Championships 2017				Tournament Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-01-27	rnd 1	type Standard	result 1
		Opponent Van Der Westhuizen, GJH (Gerhardus)				Opponent Van Zyl, LE (Lucille)

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	Tsholo ,B (Boitumelo)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Tsholo ,B (Boitumelo)	3	1226.2	801.2	3	1226.6	801.2	0	0	0	0	0	0
2	Bonthuyzen ,MA (Michael Arnoldus)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Bonthuyzen ,MA (Michael Arnoldus)	2	1084.6	659.6	2	1080.2	659.6	0	0	0	0	0	0
3	Sehole ,TT (Tshepang Teboho)	2	2	425	2	2	425	0	0	0	0	0	0
3	Sehole ,TT (Tshepang Teboho)	2	882.5	1307.5	2	884.1	1307.5	0	0	0	0	0	0
4	Monteoa ,L (Lebogag)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Monteoa ,L (Lebogag)	2	1193.6	981.1	2	1194	981.1	0	0	0	0	0	0
5	Nkosi ,N (Nkosinathi)	2	1	0	2	1	0	0	0	0	0	0	0
5	Nkosi ,N (Nkosinathi)	2	663.1	663.1	2	676.2	663.1	0	0	0	0	0	0
6	Mokhoera ,KB (Keamogecoe Boitumelo)	2	1	0	2	1	0	0	0	0	0	0	0
6	Mokhoera ,KB (Keamogecoe Boitumelo)	2	1029.1	1029.1	2	1049.9	1029.1	0	0	0	0	0	0
7	Young ,RB (Ruhan Beyers)	2	1	0	2	1	0	0	0	0	0	0	0
7	Young ,RB (Ruhan Beyers)	2	1003.1	1003.1	2	1011	1003.1	0	0	0	0	0	0
8	Young ,M (Megan)	2	2	425	2	2	425	0	0	0	0	0	0
8	Young ,M (Megan)	2	682.5	1107.6	2	684.6	1107.6	0	0	0	0	0	0
9	Pretorius ,HJ (Hendrik)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Pretorius ,HJ (Hendrik)	1	1183.3	758.3	1	1182.2	758.3	0	0	0	0	0	0
10	Theron ,F (Francois)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Theron ,F (Francois)	1	944.9	944.9	1	976.3	944.9	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

Schonken, JA (Johannes Albertus)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms