Chess South Africa Ratings Database

PLAYER PAGE

Personal

Klopper, J (Jannes)

Chess SA id

1130141562

FIDE id

Date of birth

2013-04-11 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1146.1	1153.8	1160	1200
Raw rating	1146.1	1153.8	1160	1200
Weighted rating	1141.5	1148.5	1160	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	179.1	177.1	175.5	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1146.1	1153.8	1160	1200
Analysis
Rating	1146.1	1153.8	1160	1200
Raw rating	1146.1	1153.8	1160	1200
Weighted rating	1141.5	1148.5	1160
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	179.1	177.1	175.5	165.8
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	1146.1	1153.8	1160	1200
New weighted rating	1141.7	1148.6	1160	1200
New weighted performance	0	0	0	0
Temp new rating	1146.1	1153.8	1160	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1146.1	1153.8	1160	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	4	4	0
	5	5	0
	6	0	6
	0	0	0
History	20	14	6

Games since
	Main 9	Standard 9		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	5	2	40	-85	1242.9	1157.9
Standard	5	2	40	-85	1242.9	1157.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	7	35	-127.5	1204.5	1077
Standard	14	5	35.71	-121.4	1206	1084.6
Rapid	6	2	33.33	-141.7	1200.9	1059.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1146.1	1153.8	1160	1200
2025-09-01	1146.1	1153.8	1160	1200
2025-08-01	1146.1	1153.8	1160	1200
2025-07-01	1146.1	1153.8	1160	1200
2025-06-01	1146.1	1153.8	1160	1200
2025-05-01	1142.2	1150.1	1160	1200
2025-04-01	1142.2	1150.1	1160	1200
2025-03-01	1142.2	1150.1	1160	1200
2025-02-01	1142.2	1150.1	1160	1200
2025-01-01	1133.1	1137.6	1160	1200
2024-12-01	1133.1	1137.6	1160	1200
2024-11-01	1133.1	1137.6	1160	1200
2024-10-01	1133.1	1137.6	1160	1200
2024-09-01	1133.1	1137.6	1160	1200
2024-08-01	1133.1	1137.6	1160	1200
2024-07-01	1133.1	1137.6	1160	1200
2024-06-01	1133.1	1137.6	1160	1200
2024-08-01	1133.1	1137.6	1160	1200
2024-04-01	1133.1	1137.6	1160	1200
2024-03-01	1162.6	1178	1160	1200
2024-02-01	1162.6	1178	1160	1200
2024-01-01	1162.6	1178	1160	1200
2023-12-01	1162.6	1178	1160	1200
2023-11-01	1162.6	1178	1160	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 D2 Schools Individuals (U13 Open)	2025-05-09	2025-05-09	Standard	West Rand (GWR)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 D2 Schools Individuals (U13 Open)	2025-05-09	2025-05-09	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
2	2024 West Rand Juniors (U12)	2024-03-09	2024-03-09	Standard	West Rand (GWR)	5	4	1	Yes	Analysis
3	D2 Schools Individuals 2023 (U11 Boys)	2023-05-13	2023-05-13	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
4	RMS Swiss For Rating of Players 2022 (U9)	2022-05-28	2022-05-28	Rapid	Ekurhuleni (GE)	7	6	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 3	type Standard	result 1	date 2025-05-09	rnd 4	type Standard	result 1
		Opponent Morobe, T (Tshiamo Johannes)				Opponent Mantjie, K (Kamogelo)
2	2	Tournament RMS Swiss For Rating of Players 2022				Tournament D2 Schools Individuals 2023
		date 2022-05-28	rnd 7	type Rapid	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Moyo, M (Melokuhle)				Opponent Britz, M (Markus Wynand)
3	1	Tournament 2024 West Rand Juniors				Tournament 2024 West Rand Juniors
		date 2024-03-09	rnd 1	type Standard	result 1	date 2024-03-09	rnd 1	type Standard	result 1
		Opponent Saleni, S (Sibongile)				Opponent Saleni, S (Sibongile)

#	Games	Start				End
1	2	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 3	type Standard	result 1	date 2025-05-09	rnd 4	type Standard	result 1
		Opponent Morobe, T (Tshiamo Johannes)				Opponent Mantjie, K (Kamogelo)
2	1	Tournament 2024 West Rand Juniors				Tournament 2024 West Rand Juniors
		date 2024-03-09	rnd 1	type Standard	result 1	date 2024-03-09	rnd 1	type Standard	result 1
		Opponent Saleni, S (Sibongile)				Opponent Saleni, S (Sibongile)
3	1	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 4	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Letlotlo, P (Peter)				Opponent Letlotlo, P (Peter)

#	Games	Start				End
1	1	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 7	type Rapid	result 1	date 2022-05-28	rnd 7	type Rapid	result 1
		Opponent Moyo, M (Melokuhle)				Opponent Moyo, M (Melokuhle)
2	1	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 3	type Rapid	result 1	date 2022-05-28	rnd 3	type Rapid	result 1
		Opponent Coetsee, J (Jachelle)				Opponent Coetsee, J (Jachelle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 3	type Standard	result 1	date 2025-05-09	rnd 4	type Standard	result 1
		Opponent Morobe, T (Tshiamo Johannes)				Opponent Mantjie, K (Kamogelo)
2	2	Tournament RMS Swiss For Rating of Players 2022				Tournament D2 Schools Individuals 2023
		date 2022-05-28	rnd 7	type Rapid	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Moyo, M (Melokuhle)				Opponent Britz, M (Markus Wynand)
3	1	Tournament 2024 West Rand Juniors				Tournament 2024 West Rand Juniors
		date 2024-03-09	rnd 1	type Standard	result 1	date 2024-03-09	rnd 1	type Standard	result 1
		Opponent Saleni, S (Sibongile)				Opponent Saleni, S (Sibongile)

#	Games	Start				End
1	2	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 3	type Standard	result 1	date 2025-05-09	rnd 4	type Standard	result 1
		Opponent Morobe, T (Tshiamo Johannes)				Opponent Mantjie, K (Kamogelo)
2	1	Tournament 2024 West Rand Juniors				Tournament 2024 West Rand Juniors
		date 2024-03-09	rnd 1	type Standard	result 1	date 2024-03-09	rnd 1	type Standard	result 1
		Opponent Saleni, S (Sibongile)				Opponent Saleni, S (Sibongile)
3	1	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 4	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Letlotlo, P (Peter)				Opponent Letlotlo, P (Peter)

#	Games	Start				End
1	1	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 7	type Rapid	result 1	date 2022-05-28	rnd 7	type Rapid	result 1
		Opponent Moyo, M (Melokuhle)				Opponent Moyo, M (Melokuhle)
2	1	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 3	type Rapid	result 1	date 2022-05-28	rnd 3	type Rapid	result 1
		Opponent Coetsee, J (Jachelle)				Opponent Coetsee, J (Jachelle)

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	Barnard ,T (Tihan)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Barnard ,T (Tihan)	1	1133.6	708.6	1	1120	708.6	0	0	0	0	0	0
2	Morobe ,T (Tshiamo Johannes)	1	1	425	1	1	425	0	0	0	0	0	0
2	Morobe ,T (Tshiamo Johannes)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Marais ,A (Ava)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Marais ,A (Ava)	1	1186.5	761.5	1	1184.2	761.5	0	0	0	0	0	0
4	Maponyane ,K (Katlego)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Maponyane ,K (Katlego)	1	1194.1	769.1	1	1196.3	769.1	0	0	0	0	0	0
5	Mantjie ,K (Kamogelo)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mantjie ,K (Kamogelo)	1	1246.5	1671.5	1	1252.7	1671.5	0	0	0	0	0	0
6	Van Der Merwe ,W (Wouter)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Van Der Merwe ,W (Wouter)	1	1260.7	835.7	1	1270.4	835.7	0	0	0	0	0	0
7	Magodielo ,S (Siyabulela)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Magodielo ,S (Siyabulela)	1	1299.1	874.1	1	1298.3	874.1	0	0	0	0	0	0
8	Britz ,M (Markus Wynand)	1	1	425	1	1	425	0	0	0	0	0	0
8	Britz ,M (Markus Wynand)	1	1160.8	1585.8	1	1154.4	1585.8	0	0	0	0	0	0
9	Chigindani ,T (Takunda)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Chigindani ,T (Takunda)	1	1116.4	691.4	1	1105	691.4	0	0	0	0	0	0
10	Smith ,K (Kyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Smith ,K (Kyle)	1	1236.2	811.2	1	1244	811.2	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

Klopper, J (Jannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms