Chess South Africa Ratings Database

PLAYER PAGE

Personal

Prinsloo, J (Jan Abram)

Chess SA id

1770096050

FIDE id

Date of birth

1977-04-13 (Adult)

Gender

Male

Region

Namakwa (NCN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-08-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1346.1	1368.1	1300	1300
Raw rating	1346.1	1368.1	1300	1300
Weighted rating	1346.1	1368.1	1299.7	1299.7
Weighted performance	216.4	216.2	0	0
Floor	846.1	868.1	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	134.7	130.5	143.8	143.8
Highest rating	1356 2019-08-01	1368.1 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1346.1 2024-02-01	1368.1 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1346.1 2024-02-01	1368.1 2024-02-01	1296.7 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1356 2019-08-01	1354.8 2019-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1346.1	1368.1	1300	1300
Analysis
Rating	1346.1	1368.1	1300	1300
Raw rating	1346.1	1368.1	1300	1300
Weighted rating	1346.1	1368.1	1299.7
Weighted performance	216.4	216.2	0
K-factor	36	36	36	36
Floor	846.1	868.1	800	800
Max/Min rating change allowed	134.7	130.5	143.8	143.8
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	1346.1	1368.1	1300	1300
New weighted rating	1346.1	1368.1	1300	1300
New weighted performance	208	207.7	0	0
Temp new rating	1346.1	1368.1	1300	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1346.1	1368.1	1300	1300
New K-factor	36	36	36	36
New floor	846.1	868.1	800	800

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	25	25

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Namakwa (NCN)
Province	Northern Cape (NC)
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	25	19	76	221	1175.6	1396.6
Standard	25	19	76	221	1175.6	1396.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1346.1	1368.1	1300	1300
2025-09-30	1346.1	1368.1	1300	1300
2025-09-01	1346.1	1368.1	1300	1300
2025-08-01	1346.1	1368.1	1300	1300
2025-07-01	1346.1	1368.1	1300	1300
2025-06-01	1346.1	1368.1	1300	1300
2025-05-01	1346.1	1368.1	1300	1300
2025-04-01	1346.1	1368.1	1300	1300
2025-03-01	1346.1	1368.1	1300	1300
2025-02-01	1346.1	1368.1	1300	1300
2025-01-01	1346.1	1368.1	1300	1300
2024-12-01	1346.1	1368.1	1300	1300
2024-11-01	1346.1	1368.1	1300	1300
2024-10-01	1346.1	1368.1	1300	1300
2024-09-01	1346.1	1368.1	1300	1300
2024-08-01	1346.1	1368.1	1300	1300
2024-07-01	1346.1	1368.1	1300	1300
2024-09-01	1346.1	1368.1	1300	1300
2024-05-01	1346.1	1368.1	1300	1300
2024-04-01	1346.1	1368.1	1300	1300
2024-03-01	1346.1	1368.1	1300	1300
2024-02-01	1346.1	1368.1	1300	1300
2024-01-01	1346.1	1368.1	1300	1300
2023-12-01	1346.1	1368.1	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	Namakwa Skaak 2019 (Ope)	2019-08-03	2019-08-03	Standard	Namakwa (NCN)	5	5	5	Yes	Analysis
2	Namakwa Skaak Ope 2019 (Ope)	2019-02-16	2019-02-16	Standard	Namakwa (NCN)	5	5	4.5	Yes	Analysis
3	Namakwa Proewe 2018 (Ope)	2018-08-04	2018-08-04	Standard	Namakwa (NCN)	5	5	4	Yes	Analysis
4	Namakwa Distrik Skaak Proewe 2018 (Ope)	2018-03-17	2018-03-17	Standard	Namakwa (NCN)	5	5	2.5	Yes	Analysis
5	Namakwa District Chess Tournament 2018 (A)	2018-02-02	2018-02-03	Standard	Namakwa (NCN)	5	5	3	Yes	Analysis

#	Games	Start				End
1	14	Tournament Namakwa Proewe 2018				Tournament Namakwa Skaak 2019
		date 2018-08-04	rnd 2	type Standard	result 1	date 2019-08-03	rnd 5	type Standard	result 1
		Opponent Van Wyk, J (Jualiza)				Opponent Rutledge, R (Roderique)
2	2	Tournament Namakwa Distrik Skaak Proewe 2018				Tournament Namakwa Distrik Skaak Proewe 2018
		date 2018-03-17	rnd 4	type Standard	result 0.5	date 2018-03-17	rnd 5	type Standard	result 1
		Opponent Ramasa, M (Mojolwane)				Opponent Williamson, K (Karen)
3	2	Tournament Namakwa District Chess Tournament 2018				Tournament Namakwa District Chess Tournament 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-03	rnd 4	type Standard	result 1
		Opponent Erasmus , R (Rudolph Andries)				Opponent Maier, R (Ralph)

#	Games	Start				End
1	14	Tournament Namakwa Proewe 2018				Tournament Namakwa Skaak 2019
		date 2018-08-04	rnd 2	type Standard	result 1	date 2019-08-03	rnd 5	type Standard	result 1
		Opponent Van Wyk, J (Jualiza)				Opponent Rutledge, R (Roderique)
2	2	Tournament Namakwa Distrik Skaak Proewe 2018				Tournament Namakwa Distrik Skaak Proewe 2018
		date 2018-03-17	rnd 4	type Standard	result 0.5	date 2018-03-17	rnd 5	type Standard	result 1
		Opponent Ramasa, M (Mojolwane)				Opponent Williamson, K (Karen)
3	2	Tournament Namakwa District Chess Tournament 2018				Tournament Namakwa District Chess Tournament 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-03	rnd 4	type Standard	result 1
		Opponent Erasmus , R (Rudolph Andries)				Opponent Maier, R (Ralph)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Namakwa Skaak Ope 2019				Tournament Namakwa Skaak 2019
		date 2019-02-16	rnd 4	type Standard	result 1	date 2019-08-03	rnd 5	type Standard	result 1
		Opponent Brandt, L (Lywellen)				Opponent Rutledge, R (Roderique)
2	6	Tournament Namakwa Proewe 2018				Tournament Namakwa Skaak Ope 2019
		date 2018-08-04	rnd 2	type Standard	result 1	date 2019-02-16	rnd 2	type Standard	result 1
		Opponent Van Wyk, J (Jualiza)				Opponent Maier, R (Ralph)
3	2	Tournament Namakwa District Chess Tournament 2018				Tournament Namakwa District Chess Tournament 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-03	rnd 4	type Standard	result 1
		Opponent Erasmus , R (Rudolph Andries)				Opponent Maier, R (Ralph)

#	Games	Start				End
1	7	Tournament Namakwa Skaak Ope 2019				Tournament Namakwa Skaak 2019
		date 2019-02-16	rnd 4	type Standard	result 1	date 2019-08-03	rnd 5	type Standard	result 1
		Opponent Brandt, L (Lywellen)				Opponent Rutledge, R (Roderique)
2	6	Tournament Namakwa Proewe 2018				Tournament Namakwa Skaak Ope 2019
		date 2018-08-04	rnd 2	type Standard	result 1	date 2019-02-16	rnd 2	type Standard	result 1
		Opponent Van Wyk, J (Jualiza)				Opponent Maier, R (Ralph)
3	2	Tournament Namakwa District Chess Tournament 2018				Tournament Namakwa District Chess Tournament 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-03	rnd 4	type Standard	result 1
		Opponent Erasmus , R (Rudolph Andries)				Opponent Maier, R (Ralph)

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	Maier ,R (Ralph)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Maier ,R (Ralph)	3	1202.6	1344.3	3	1203.2	1344.3	0	0	0	0	0	0
2	Rutledge ,R (Roderique)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Rutledge ,R (Roderique)	3	1184.1	1325.7	3	1180.4	1325.7	0	0	0	0	0	0
3	Ngoma ,K (Khuthadzo)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Ngoma ,K (Khuthadzo)	2	1234.2	809.2	2	1241.4	809.2	0	0	0	0	0	0
4	Williamson ,K (Karen)	2	2	425	2	2	425	0	0	0	0	0	0
4	Williamson ,K (Karen)	2	1165.4	1590.4	2	1158.4	1590.4	0	0	0	0	0	0
5	Mojowane ,RG (Ramasa Gilbert)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mojowane ,RG (Ramasa Gilbert)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Windfield ,J (Jeremia)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Windfield ,J (Jeremia)	1	1001.3	1001.3	1	1009.2	1001.3	0	0	0	0	0	0
7	Coetzee ,H (Heinrich)	1	1	425	1	1	425	0	0	0	0	0	0
7	Coetzee ,H (Heinrich)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	De Vries ,V (Vergil)	1	1	425	1	1	425	0	0	0	0	0	0
8	De Vries ,V (Vergil)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Erasmus ,R (Rudolph Andries)	1	1	425	1	1	425	0	0	0	0	0	0
9	Erasmus ,R (Rudolph Andries)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Larie ,R (Rowin)	1	1	425	1	1	425	0	0	0	0	0	0
10	Larie ,R (Rowin)	1	1237.2	1662.2	1	1244.8	1662.2	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

Prinsloo, J (Jan Abram)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms