Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, J (Jacques Peter)

Chess SA id

188090572

FIDE id

Date of birth

1988-12-12 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-10-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1332.1	1332.3	1283.5	1300
Raw rating	1332.1	1332.3	1283.5	1300
Weighted rating	1331.8	1332	1283.2	1299.7
Weighted performance	269.1	0	0	0
Floor	865.8	865.8	783.5	800
K-factor	36	36	36	36
Min/Max rating change allowed	137.4	137.3	147.2	143.8
Highest rating	1534.4 2018-09-01	1533.3 2018-09-01	1283.5 2024-02-01	1300 2024-02-01
Highest raw rating	1365.8 2018-10-01	1365.8 2018-10-01	1283.5 2024-02-01	1300 2024-02-01
Highest weighted rating	1365.8 2019-10-01	1365.8 2019-10-01	1280.5 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1534.4 2018-09-01	1533.3 2018-09-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1332.1	1332.3	1283.5	1300
Analysis
Rating	1332.1	1332.3	1283.5	1300
Raw rating	1332.1	1332.3	1283.5	1300
Weighted rating	1331.8	1332	1283.2
Weighted performance	269.1	0	0
K-factor	36	36	36	36
Floor	865.8	865.8	783.5	800
Max/Min rating change allowed	137.4	137.3	147.2	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	1332.1	1332.3	1283.5	1300
New weighted rating	1332.1	1332.3	1283.5	1300
New weighted performance	261.7	0	0	0
Temp new rating	1332.1	1332.3	1283.5	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1332.1	1332.3	1283.5	1300
New K-factor	36	36	36	36
New floor	865.8	865.8	783.5	800

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	48	35	13

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
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	42	23.5	55.95	50.6	1278.6	1329.2
Standard	35	21	60	85	1268.3	1353.3
Rapid	7	2.5	35.71	-121.4	1330.2	1208.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1332.1	1332.3	1283.5	1300
2025-09-30	1332.1	1332.3	1283.5	1300
2025-09-01	1332.1	1332.3	1283.5	1300
2025-08-01	1332.1	1332.3	1283.5	1300
2025-07-01	1332.1	1332.3	1283.5	1300
2025-06-01	1332.1	1332.3	1283.5	1300
2025-05-01	1332.1	1332.3	1283.5	1300
2025-04-01	1332.1	1332.3	1283.5	1300
2025-03-01	1332.1	1332.3	1283.5	1300
2025-02-01	1332.1	1332.3	1283.5	1300
2025-01-01	1332.1	1332.3	1283.5	1300
2024-12-01	1332.1	1332.3	1283.5	1300
2024-11-01	1332.1	1332.3	1283.5	1300
2024-10-01	1332.1	1332.3	1283.5	1300
2024-09-01	1332.1	1332.3	1283.5	1300
2024-08-01	1332.1	1332.3	1283.5	1300
2024-07-01	1332.1	1332.3	1283.5	1300
2024-09-01	1332.1	1332.3	1283.5	1300
2024-05-01	1332.1	1332.3	1283.5	1300
2024-04-01	1332.1	1332.3	1283.5	1300
2024-03-01	1332.1	1332.3	1283.5	1300
2024-02-01	1332.1	1332.3	1283.5	1300
2024-01-01	1332.1	1332.3	1283.5	1300
2023-12-01	1245.2	1255.3	1194.4	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	SAPS WC Chess Club Rapid 2019 (Men)	2019-10-21	2019-10-21	Rapid	Frances Baard (NCF)	7	7	2.5	Yes	Analysis
2	SAPS National Individual Chess Championship 2019 (Men)	2019-10-23	2019-10-25	Standard	Frances Baard (NCF)	9	9	3	Yes	Analysis
3	SAPS National Team Chess Championship 2019	2019-10-26	2019-10-30	Standard	Frances Baard (NCF)	9	8	5	Yes	Analysis
4	SAPS National Individual Championship 2018 (Men)	2018-09-12	2018-09-15	Standard	Xhariep (FXT)	9	9	6	Yes	Analysis
5	SAPS National Team Championship 2018	2018-09-11	2018-09-11	Standard	Xhariep (FXT)	9	9	7	Yes	Analysis

#	Games	Start				End
1	8	Tournament SAPS National Individual Championship 2018				Tournament SAPS WC Chess Club Rapid 2019
		date 2018-09-13	rnd 3	type Standard	result 1	date 2019-10-21	rnd 1	type Rapid	result 1
		Opponent Mudau, A (Azwianewi)				Opponent Johnson, R (Rudy)
2	5	Tournament SAPS National Team Championship 2018				Tournament SAPS National Team Championship 2018
		date 2018-09-11	rnd 1	type Standard	result 1	date 2018-09-11	rnd 5	type Standard	result 1
		Opponent Mosima, M (Mj)				Opponent Mgadi, A (Aubrey)
3	4	Tournament SAPS National Team Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-11	rnd 7	type Standard	result 1	date 2018-09-12	rnd 1	type Standard	result 1
		Opponent Mavuso, J (Jacob)				Opponent Johnson, A (Allan)

#	Games	Start				End
1	7	Tournament SAPS National Individual Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-13	rnd 3	type Standard	result 1	date 2018-09-15	rnd 9	type Standard	result 0.5
		Opponent Mudau, A (Azwianewi)				Opponent Stuurman, P (Petrus)
2	5	Tournament SAPS National Team Championship 2018				Tournament SAPS National Team Championship 2018
		date 2018-09-11	rnd 1	type Standard	result 1	date 2018-09-11	rnd 5	type Standard	result 1
		Opponent Mosima, M (Mj)				Opponent Mgadi, A (Aubrey)
3	4	Tournament SAPS National Team Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-11	rnd 7	type Standard	result 1	date 2018-09-12	rnd 1	type Standard	result 1
		Opponent Mavuso, J (Jacob)				Opponent Johnson, A (Allan)

#	Games	Start				End
1	1	Tournament SAPS WC Chess Club Rapid 2019				Tournament SAPS WC Chess Club Rapid 2019
		date 2019-10-21	rnd 7	type Rapid	result 0.5	date 2019-10-21	rnd 7	type Rapid	result 0.5
		Opponent Janse Van Vuuren, T (Terrance)				Opponent Janse Van Vuuren, T (Terrance)
2	1	Tournament SAPS WC Chess Club Rapid 2019				Tournament SAPS WC Chess Club Rapid 2019
		date 2019-10-21	rnd 4	type Rapid	result 1	date 2019-10-21	rnd 4	type Rapid	result 1
		Opponent Blignaut, R (Ryno)				Opponent Blignaut, R (Ryno)
3	1	Tournament SAPS WC Chess Club Rapid 2019				Tournament SAPS WC Chess Club Rapid 2019
		date 2019-10-21	rnd 1	type Rapid	result 1	date 2019-10-21	rnd 1	type Rapid	result 1
		Opponent Johnson, R (Rudy)				Opponent Johnson, R (Rudy)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament SAPS National Team Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-11	rnd 7	type Standard	result 1	date 2018-09-12	rnd 1	type Standard	result 1
		Opponent Mavuso, J (Jacob)				Opponent Johnson, A (Allan)
2	3	Tournament SAPS National Individual Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-13	rnd 3	type Standard	result 1	date 2018-09-13	rnd 5	type Standard	result 1
		Opponent Mudau, A (Azwianewi)				Opponent Kgosimotswedi, AM (Aaron)
3	2	Tournament SAPS National Team Chess Championship 2019				Tournament SAPS National Team Chess Championship 2019
		date 2019-10-29	rnd 8	type Standard	result 1	date 2019-10-30	rnd 9	type Standard	result 1
		Opponent Mopp, L (Lwade)				Opponent Mosweu, PK (Petrus Kgantsile)

#	Games	Start				End
1	4	Tournament SAPS National Team Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-11	rnd 7	type Standard	result 1	date 2018-09-12	rnd 1	type Standard	result 1
		Opponent Mavuso, J (Jacob)				Opponent Johnson, A (Allan)
2	3	Tournament SAPS National Individual Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-13	rnd 3	type Standard	result 1	date 2018-09-13	rnd 5	type Standard	result 1
		Opponent Mudau, A (Azwianewi)				Opponent Kgosimotswedi, AM (Aaron)
3	2	Tournament SAPS National Team Chess Championship 2019				Tournament SAPS National Team Chess Championship 2019
		date 2019-10-29	rnd 8	type Standard	result 1	date 2019-10-30	rnd 9	type Standard	result 1
		Opponent Mopp, L (Lwade)				Opponent Mosweu, PK (Petrus Kgantsile)

#	Games	Start				End
1	1	Tournament SAPS WC Chess Club Rapid 2019				Tournament SAPS WC Chess Club Rapid 2019
		date 2019-10-21	rnd 4	type Rapid	result 1	date 2019-10-21	rnd 4	type Rapid	result 1
		Opponent Blignaut, R (Ryno)				Opponent Blignaut, R (Ryno)
2	1	Tournament SAPS WC Chess Club Rapid 2019				Tournament SAPS WC Chess Club Rapid 2019
		date 2019-10-21	rnd 1	type Rapid	result 1	date 2019-10-21	rnd 1	type Rapid	result 1
		Opponent Johnson, R (Rudy)				Opponent Johnson, R (Rudy)

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	Petersen ,MG (Marc Gideon)	3	1.5	0	2	1.5	212.5	1	0	-425	0	0	0
1	Petersen ,MG (Marc Gideon)	3	1470.7	1470.7	2	1473.8	1683.2	1	1516	1045.7	0	0	0
2	Boleme ,RW (Reetsang William)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Boleme ,RW (Reetsang William)	2	1517.2	1304.8	2	1518.7	1304.8	0	0	0	0	0	0
3	Gabriels ,Z (Zaid)	2	1	0	1	1	425	1	0	-425	0	0	0
3	Gabriels ,Z (Zaid)	2	1346.5	1346.5	1	1397.7	1771.5	1	1372.5	921.5	0	0	0
4	Stuurman ,P (Petrus)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Stuurman ,P (Petrus)	1	1543.3	1543.3	1	1527.6	1543.3	0	0	0	0	0	0
5	Mavuso ,J (Jacob)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mavuso ,J (Jacob)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Mopp ,L (Lwade)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mopp ,L (Lwade)	1	801	1226	1	801	1226	0	0	0	0	0	0
7	Otto ,WJR (Wilhelmus Johannes Rudolf)	1	1	425	1	1	425	0	0	0	0	0	0
7	Otto ,WJR (Wilhelmus Johannes Rudolf)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Kgosimotswedi ,AM (Aaron Masisi)	1	1	425	1	1	425	0	0	0	0	0	0
8	Kgosimotswedi ,AM (Aaron Masisi)	1	1461	1886	1	1458.9	1886	0	0	0	0	0	0
9	Mukwevho ,R (Reginald)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mukwevho ,R (Reginald)	1	1091.4	666.4	1	1068.8	666.4	0	0	0	0	0	0
10	Sibiya ,IS (Sotobe)	1	1	425	1	1	425	0	0	0	0	0	0
10	Sibiya ,IS (Sotobe)	1	1200	1625	1	1200	1625	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

Jacobs, J (Jacques Peter)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms