Chess South Africa Ratings Database

PLAYER PAGE

Personal

Klopper, JDS (Japie Diedericks Stephanus)

Chess SA id

161015875

FIDE id

Date of birth

1961-11-10 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1364.4	1378.5	1443.1	1249.8
Raw rating	1364.4	1378.5	1443.1	1249.8
Weighted rating	1364.4	1378.5	1443.1	1249.8
Weighted performance	271.1	0	0	0
Floor	943.1	943.1	943.1	943.1
K-factor	32	32	32	32
Min/Max rating change allowed	131.2	128.6	117.3	154.5
Highest rating	1443.1 2018-01-01	1443.1 2018-01-01	1443.1 2024-02-01	1443.1 2018-05-01
Highest raw rating	1443.1 2018-01-01	1443.1 2018-01-01	1443.1 2024-02-01	1443.1 2018-01-01
Highest weighted rating	1443.1 2018-01-01	1443.1 2018-01-01	1443.1 2024-02-01	1443.1 2018-05-01
Highest weighted performance	1319 2018-03-01	1319 2018-03-01	1200 2024-02-01	1200 2018-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1364.4	1378.5	1443.1	1249.8
Analysis
Rating	1364.4	1378.5	1443.1	1249.8
Raw rating	1364.4	1378.5	1443.1	1249.8
Weighted rating	1364.4	1378.5	1443.1
Weighted performance	271.1	0	0
K-factor	32	32	32	32
Floor	943.1	943.1	943.1	943.1
Max/Min rating change allowed	131.2	128.6	117.3	154.5
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	1364.4	1378.5	1443.1	1249.8
New weighted rating	1364.4	1378.5	1443.1	1249.8
New weighted performance	263.5	0	0	0
Temp new rating	1364.4	1378.5	1443.1	1249.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1364.4	1378.5	1443.1	1249.8
New K-factor	32	32	32	32
New floor	943.1	943.1	943.1	943.1

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	59	32	27

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	43	19.5	45.35	-39.5	1294.4	1254.9
Standard	16	8	50	0	1302.7	1302.7
Rapid	0	0	0	0	0	0
Blitz	27	11.5	42.59	-63	1289.5	1226.6

Date	Main	Standard	Rapid	Blitz
2026-01-01	1364.4	1378.5	1443.1	1249.8
2025-11-30	1364.4	1378.5	1443.1	1249.8
2025-11-01	1364.4	1378.5	1443.1	1249.8
2025-09-30	1364.4	1378.5	1443.1	1249.8
2025-09-01	1364.4	1378.5	1443.1	1249.8
2025-08-01	1364.4	1378.5	1443.1	1249.8
2025-07-01	1364.4	1378.5	1443.1	1249.8
2025-06-01	1364.4	1378.5	1443.1	1249.8
2025-05-01	1364.4	1378.5	1443.1	1249.8
2025-04-01	1364.4	1378.5	1443.1	1249.8
2025-03-01	1364.4	1378.5	1443.1	1249.8
2025-02-01	1364.4	1378.5	1443.1	1249.8
2025-01-01	1364.4	1378.5	1443.1	1249.8
2024-12-01	1364.4	1378.5	1443.1	1249.8
2024-11-01	1364.4	1378.5	1443.1	1249.8
2024-10-01	1364.4	1378.5	1443.1	1249.8
2024-09-01	1364.4	1378.5	1443.1	1249.8
2024-11-01	1364.4	1378.5	1443.1	1249.8
2024-07-01	1364.4	1378.5	1443.1	1249.8
2024-06-01	1364.4	1378.5	1443.1	1249.8
2024-05-01	1364.4	1378.5	1443.1	1249.8
2024-04-01	1364.4	1378.5	1443.1	1249.8
2024-03-01	1364.4	1378.5	1443.1	1249.8
2024-02-01	1364.4	1378.5	1443.1	1249.8

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	Quadrangular Chess Tournament First Leg 2020	2020-02-12	2020-02-12	Blitz	Eden (WEG)	6	6	3	Yes	Analysis
2	George Open Chess Tournament 2019 (B)	2019-11-30	2019-12-01	Standard	Eden (WEG)	6	6	3.5	Yes	Analysis
3	Triangular 3 GEO-MOSS-PAC 2019	2019-10-03	2019-10-03	Blitz	Eden (WEG)	8	8	3.5	Yes	Analysis
4	Triangular 2 GEO-MOSS-PAC 2019	2019-05-30	2019-05-30	Blitz	Eden (WEG)	5	5	2	Yes	Analysis
5	Triangular 1 GEO-MOSS-PAC 2019	2019-02-20	2019-02-20	Blitz	Eden (WEG)	8	8	3	Yes	Analysis
6	Eden Chess League 2018 (Premier)	2018-08-18	2018-09-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis
7	Western Cape Club Championships 2018	2018-03-16	2018-03-17	Standard	Eden (WEG)	6	5	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Quadrangular Chess Tournament First Leg 2020				Tournament Quadrangular Chess Tournament First Leg 2020
		date 2020-02-12	rnd 4	type Blitz	result 1	date 2020-02-12	rnd 6	type Blitz	result 1
		Opponent Korunner, NK (Noel)				Opponent Daniels, M (Muhammed)
2	3	Tournament Western Cape Club Championships 2018				Tournament Eden Chess League 2018
		date 2018-03-17	rnd 4	type Standard	result 0.5	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Jantjies, J (Jason)				Opponent Kirk, MM (Matthew Michael)
3	2	Tournament George Open Chess Tournament 2019				Tournament George Open Chess Tournament 2019
		date 2019-12-01	rnd 5	type Standard	result 1	date 2019-12-01	rnd 6	type Standard	result 1
		Opponent Kivido, Z (Zach)				Opponent Lewis, M (Mark)

#	Games	Start				End
1	3	Tournament Western Cape Club Championships 2018				Tournament Eden Chess League 2018
		date 2018-03-17	rnd 4	type Standard	result 0.5	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Jantjies, J (Jason)				Opponent Kirk, MM (Matthew Michael)
2	2	Tournament George Open Chess Tournament 2019				Tournament George Open Chess Tournament 2019
		date 2019-12-01	rnd 5	type Standard	result 1	date 2019-12-01	rnd 6	type Standard	result 1
		Opponent Kivido, Z (Zach)				Opponent Lewis, M (Mark)
3	2	Tournament George Open Chess Tournament 2019				Tournament George Open Chess Tournament 2019
		date 2019-11-30	rnd 1	type Standard	result 0.5	date 2019-11-30	rnd 2	type Standard	result 1
		Opponent Kivido, A (Alex)				Opponent Du Plessis, A (Arno)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Quadrangular Chess Tournament First Leg 2020				Tournament Quadrangular Chess Tournament First Leg 2020
		date 2020-02-12	rnd 4	type Blitz	result 1	date 2020-02-12	rnd 6	type Blitz	result 1
		Opponent Korunner, NK (Noel)				Opponent Daniels, M (Muhammed)
2	2	Tournament Triangular 3 GEO-MOSS-PAC 2019				Tournament Triangular 3 GEO-MOSS-PAC 2019
		date 2019-10-03	rnd 6	type Blitz	result 0.5	date 2019-10-03	rnd 7	type Blitz	result 1
		Opponent Daniels, J (Jerome)				Opponent Meyer, PJ (Pravin)
3	2	Tournament Triangular 2 GEO-MOSS-PAC 2019				Tournament Triangular 3 GEO-MOSS-PAC 2019
		date 2019-05-30	rnd 5	type Blitz	result 1	date 2019-10-03	rnd 1	type Blitz	result 1
		Opponent Simons, N (Nazeem)				Opponent Kleinhans, D (Duwin)

#	Games	Start				End
1	3	Tournament Quadrangular Chess Tournament First Leg 2020				Tournament Quadrangular Chess Tournament First Leg 2020
		date 2020-02-12	rnd 4	type Blitz	result 1	date 2020-02-12	rnd 6	type Blitz	result 1
		Opponent Korunner, NK (Noel)				Opponent Daniels, M (Muhammed)
2	2	Tournament George Open Chess Tournament 2019				Tournament George Open Chess Tournament 2019
		date 2019-12-01	rnd 5	type Standard	result 1	date 2019-12-01	rnd 6	type Standard	result 1
		Opponent Kivido, Z (Zach)				Opponent Lewis, M (Mark)
3	2	Tournament Triangular 2 GEO-MOSS-PAC 2019				Tournament Triangular 3 GEO-MOSS-PAC 2019
		date 2019-05-30	rnd 5	type Blitz	result 1	date 2019-10-03	rnd 1	type Blitz	result 1
		Opponent Simons, N (Nazeem)				Opponent Kleinhans, D (Duwin)

#	Games	Start				End
1	2	Tournament George Open Chess Tournament 2019				Tournament George Open Chess Tournament 2019
		date 2019-12-01	rnd 5	type Standard	result 1	date 2019-12-01	rnd 6	type Standard	result 1
		Opponent Kivido, Z (Zach)				Opponent Lewis, M (Mark)
2	2	Tournament Western Cape Club Championships 2018				Tournament Eden Chess League 2018
		date 2018-03-17	rnd 5	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Kleinhans, D (Dillan)				Opponent Kirk, MM (Matthew Michael)
3	1	Tournament George Open Chess Tournament 2019				Tournament George Open Chess Tournament 2019
		date 2019-11-30	rnd 2	type Standard	result 1	date 2019-11-30	rnd 2	type Standard	result 1
		Opponent Du Plessis, A (Arno)				Opponent Du Plessis, A (Arno)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Quadrangular Chess Tournament First Leg 2020				Tournament Quadrangular Chess Tournament First Leg 2020
		date 2020-02-12	rnd 4	type Blitz	result 1	date 2020-02-12	rnd 6	type Blitz	result 1
		Opponent Korunner, NK (Noel)				Opponent Daniels, M (Muhammed)
2	2	Tournament Triangular 2 GEO-MOSS-PAC 2019				Tournament Triangular 3 GEO-MOSS-PAC 2019
		date 2019-05-30	rnd 5	type Blitz	result 1	date 2019-10-03	rnd 1	type Blitz	result 1
		Opponent Simons, N (Nazeem)				Opponent Kleinhans, D (Duwin)
3	2	Tournament Triangular 1 GEO-MOSS-PAC 2019				Tournament Triangular 1 GEO-MOSS-PAC 2019
		date 2019-02-20	rnd 5	type Blitz	result 1	date 2019-02-20	rnd 6	type Blitz	result 1
		Opponent Simons, N (Nazeem)				Opponent Simons, N (Nazeem)

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	Meyer ,PJ (Pravin Jody)	4	1.5	-106.2	0	0	0	0	0	0	4	1.5	-106.2
1	Meyer ,PJ (Pravin Jody)	4	1428.8	1322.6	0	0	0	0	0	0	4	1445	1322.6
2	Kleinhans ,D (Duwin)	4	1	-212.5	0	0	0	0	0	0	4	1	-212.5
2	Kleinhans ,D (Duwin)	4	1271.9	1059.4	0	0	0	0	0	0	4	1250.5	1059.4
3	Simons ,N (Nazeem)	3	3	425	0	0	0	0	0	0	3	3	425
3	Simons ,N (Nazeem)	3	1101.3	1526.3	0	0	0	0	0	0	3	519.5	1526.3
4	Botha ,R (Ralph)	2	0	-425	0	0	0	0	0	0	2	0	-425
4	Botha ,R (Ralph)	2	1115.8	690.8	0	0	0	0	0	0	2	830	690.8
5	Kruger ,S (Sachin)	2	1	0	0	0	0	0	0	0	2	1	0
5	Kruger ,S (Sachin)	2	1311.3	1311.3	0	0	0	0	0	0	2	514.4	1311.3
6	Korunner ,NK (Noel Kidron)	2	1	0	0	0	0	0	0	0	2	1	0
6	Korunner ,NK (Noel Kidron)	2	1200	1200	0	0	0	0	0	0	2	1200	1200
7	Swartbooi ,G (Gabriel)	2	1	0	0	0	0	0	0	0	2	1	0
7	Swartbooi ,G (Gabriel)	2	1333.6	1333.6	0	0	0	0	0	0	2	1466	1333.6
8	Daniels ,J (Jerome)	2	0.5	-212.5	0	0	0	0	0	0	2	0.5	-212.5
8	Daniels ,J (Jerome)	2	1329.2	1116.7	0	0	0	0	0	0	2	1250	1116.7
9	Jaars ,T (Thomas)	2	0.5	-212.5	0	0	0	0	0	0	2	0.5	-212.5
9	Jaars ,T (Thomas)	2	1364.4	1151.9	0	0	0	0	0	0	2	1255.2	1151.9
10	Cloete ,R (Ralph)	2	0	-425	0	0	0	0	0	0	2	0	-425
10	Cloete ,R (Ralph)	2	1444.6	1019.6	0	0	0	0	0	0	2	1290.4	1019.6

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Klopper, JDS (Japie Diedericks Stephanus)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms