Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, PJ (Peter-John)

Chess SA id

192013433

FIDE id

Date of birth

1992-06-14 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1595.3	1625.9	1442.9	1456.7
Raw rating	1595.3	1625.8	1442.9	1456.7
Weighted rating	1594.8	1625.9	1442.9	1456.7
Weighted performance	363.8	362.9	0	0
Floor	1102.1	1137.5	942.9	956.9
K-factor	28	28	32	32
Min/Max rating change allowed	94.4	90.4	117.3	115
Highest rating	1624.1 2019-01-01	1637.5 2024-02-01	1573.6 2019-03-01	1456.9 2024-02-01
Highest raw rating	1602.1 2024-02-01	1637.5 2024-02-01	1442.9 2024-02-01	1456.9 2024-02-01
Highest weighted rating	1602.1 2024-09-01	1625.8 2025-08-01	1442.9 2024-02-01	1456.9 2024-02-01
Highest weighted performance	1624.1 2019-01-01	1625.7 2018-09-01	1573.6 2019-03-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0.1	0	0
New rating	1595.3	1625.8	1442.9	1456.7
Analysis
Rating	1595.3	1625.9	1442.9	1456.7
Raw rating	1595.3	1625.8	1442.9	1456.7
Weighted rating	1594.8	1625.9	1442.9
Weighted performance	363.8	362.9	0
K-factor	28	28	32	32
Floor	1102.1	1137.5	942.9	956.9
Max/Min rating change allowed	94.4	90.4	117.3	115
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	1595.3	1625.8	1442.9	1456.7
New weighted rating	1594.7	1625.8	1442.9	1456.7
New weighted performance	363.3	362.4	0	0
Temp new rating	1595.3	1625.8	1442.9	1456.7
Temp new rating +/-	0	-0.1	0	0
Final new rating +/-	0	-0.1	0	0
New rating	1595.3	1625.8	1442.9	1456.7
New K-factor	28	28	32	32
New floor	1102.1	1137.5	942.9	956.9

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	9	5	0	4
	3	3	0	0
	8	8	0	0
	4	4	0	0
History	116	96	7	13

Games since
	Main 9	Standard 5		Rapid 0		Blitz 4
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	80	43	53.75	31.9	1533.1	1565
Standard	60	32.5	54.17	35.4	1537	1572.4
Rapid	7	3.5	50	0	1555.5	1555.5
Blitz	13	7	53.85	32.7	1503.2	1535.9

Date	Main	Standard	Rapid	Blitz
2025-09-30	1595.3	1625.8	1442.9	1456.7
2025-09-01	1595.3	1625.8	1442.9	1456.7
2025-08-01	1595.3	1625.8	1442.9	1456.7
2025-07-01	1595.3	1625.5	1442.9	1456.7
2025-06-01	1595.3	1625.2	1442.9	1456.7
2025-05-01	1595.3	1624.8	1442.9	1456.7
2025-04-01	1595.3	1624.3	1442.9	1456.7
2025-03-01	1595.2	1623.7	1442.9	1456.7
2025-02-01	1594.6	1622.6	1442.9	1456.7
2025-01-01	1586.7	1616.8	1442.9	1456.6
2024-12-01	1586.7	1616.8	1442.9	1456.6
2024-11-01	1586.7	1616.8	1442.9	1456.6
2024-10-01	1586.7	1616.8	1442.9	1456.6
2024-09-01	1599.9	1637.5	1442.9	1456.6
2024-08-01	1599.9	1637.5	1442.9	1456.6
2024-07-01	1599.9	1637.5	1442.9	1456.6
2024-06-01	1599.9	1637.5	1442.9	1456.6
2024-08-01	1599.9	1637.5	1442.9	1456.6
2024-04-01	1599.9	1637.5	1442.9	1456.6
2024-03-01	1599.9	1637.5	1442.9	1456.6
2024-02-01	1602.1	1637.5	1442.9	1456.9
2024-01-01	1602.1	1637.5	1442.9	1456.9
2023-12-01	1602.1	1603.1	1442.9	1456.9
2023-11-01	1602.1	1603.1	1442.9	1456.9

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	CT League 2024 (A)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	4	1.5	Yes	Analysis
2	CT League 2024 (C)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	1	1	Yes	Analysis
3	Steinitz Club Team Blitz Championship 2024	2024-02-15	2024-02-15	Blitz	Cape Town (WCT)	7	4	1	Yes	Analysis
4	WP Club League 2023 (A)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	3	2	Yes	Analysis
5	South African Open 2022 (Championship)	2022-07-09	2022-07-17	Standard	Cape Town (WCT)	11	8	4	Yes	Analysis
6	Western Cape Club Championships 2021 (B)	2021-10-15	2021-10-17	Standard	Eden (WEG)	6	4	2	Yes	Analysis
7	2019 Western Cape Club Championship (A+B)	2019-10-25	2019-10-27	Standard	Overberg (WOS)	6	5	3	Yes	Analysis
8	2019 National Club Chess Championships (B)	2019-09-27	2019-09-29	Standard	Cape Town (WCT)	6	5	2.5	Yes	Analysis
9	2019 Western Province League (Premier)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	5	2.5	Yes	Analysis
10	2019 Western Province League (B)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	2	0.5	Yes	Analysis
11	Blackjacks Club Champs 2019	2019-07-04	2019-07-07	Standard	Cape Town (WCT)	7	6	3.5	Yes	Analysis
12	2019 Groote Schuur High School Blitz	2019-06-14	2019-06-14	Blitz	Cape Town (WCT)	9	9	6	Yes	Analysis
13	2019 Western Province Open (Prestige)	2019-05-25	2019-05-26	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
14	2019 Cape Town Classic Chess Festival (Rapid)	2019-03-30	2019-03-30	Rapid	Cape Town (WCT)	7	7	3.5	Yes	Analysis
15	2019 Cape Town Classic Chess Festival (Blitz)	2019-03-29	2019-03-29	Blitz	Cape Town (WCT)	9	0	0	No	Analysis
16	Cape of Good Hope Open 2019 (Prestige)	2019-01-25	2019-01-28	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
17	2018 Western Province League (Premier)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	6	3.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament 2019 Western Cape Club Championship				Tournament Western Cape Club Championships 2021
		date 2019-10-26	rnd 3	type Standard	result 0.5	date 2021-10-16	rnd 3	type Standard	result 0.5
		Opponent Meyer, PJ (Pravin)				Opponent Willenberg, KD (Kurt)
2	6	Tournament Cape of Good Hope Open 2019				Tournament 2019 Cape Town Classic Chess Festival
		date 2019-01-27	rnd 3	type Standard	result 1	date 2019-03-30	rnd 2	type Rapid	result 1
		Opponent Willenberg, KD (Kurt)				Opponent Van Zyl, JM (Johannes Martin)
3	5	Tournament South African Open 2022				Tournament Steinitz Club Team Blitz Championship 2024
		date 2022-07-15	rnd 8	type Standard	result 0.5	date 2024-02-15	rnd 1	type Blitz	result 1
		Opponent Schutte, A (Andre)				Opponent Rubusana, B (Babalwa)

#	Games	Start				End
1	7	Tournament Cape of Good Hope Open 2019				Tournament 2019 Western Province Open
		date 2019-01-27	rnd 3	type Standard	result 1	date 2019-05-25	rnd 3	type Standard	result 1
		Opponent Willenberg, KD (Kurt)				Opponent Jacobs, B (Brandon Lee)
2	6	Tournament 2019 Western Cape Club Championship				Tournament Western Cape Club Championships 2021
		date 2019-10-26	rnd 3	type Standard	result 0.5	date 2021-10-16	rnd 3	type Standard	result 0.5
		Opponent Meyer, PJ (Pravin)				Opponent Willenberg, KD (Kurt)
3	5	Tournament South African Open 2022				Tournament CT League 2024
		date 2022-07-15	rnd 8	type Standard	result 0.5	date 2024-07-20	rnd 1	type Standard	result 1
		Opponent Schutte, A (Andre)				Opponent Korf, A (Arie)

#	Games	Start				End
1	2	Tournament 2019 Cape Town Classic Chess Festival				Tournament 2019 Cape Town Classic Chess Festival
		date 2019-03-30	rnd 1	type Rapid	result 1	date 2019-03-30	rnd 2	type Rapid	result 1
		Opponent Maqungo, S (Sandiso)				Opponent Van Zyl, JM (Johannes Martin)
2	1	Tournament 2019 Cape Town Classic Chess Festival				Tournament 2019 Cape Town Classic Chess Festival
		date 2019-03-30	rnd 7	type Rapid	result 0.5	date 2019-03-30	rnd 7	type Rapid	result 0.5
		Opponent Abrahams, A (Adeeb)				Opponent Abrahams, A (Adeeb)
3	1	Tournament 2019 Cape Town Classic Chess Festival				Tournament 2019 Cape Town Classic Chess Festival
		date 2019-03-30	rnd 5	type Rapid	result 1	date 2019-03-30	rnd 5	type Rapid	result 1
		Opponent Nkanyezi, O (Onele)				Opponent Nkanyezi, O (Onele)

#	Games	Start				End
1	2	Tournament 2019 Groote Schuur High School Blitz				Tournament Steinitz Club Team Blitz Championship 2024
		date 2019-06-14	rnd 9	type Blitz	result 1	date 2024-02-15	rnd 1	type Blitz	result 1
		Opponent Shaani, KP (Kumbirayi)				Opponent Rubusana, B (Babalwa)
2	2	Tournament 2019 Groote Schuur High School Blitz				Tournament 2019 Groote Schuur High School Blitz
		date 2019-06-14	rnd 6	type Blitz	result 1	date 2019-06-14	rnd 7	type Blitz	result 1
		Opponent Jaftha, C (Chazlian)				Opponent Jacobs, B (Brandon Lee)
3	2	Tournament 2019 Groote Schuur High School Blitz				Tournament 2019 Groote Schuur High School Blitz
		date 2019-06-14	rnd 3	type Blitz	result 1	date 2019-06-14	rnd 4	type Blitz	result 1
		Opponent Blows, K (Kiara)				Opponent Saidi, M (Mouath)

#	Games	Start				End
1	3	Tournament 2019 Western Province Open				Tournament 2019 Western Province Open
		date 2019-05-25	rnd 1	type Standard	result 1	date 2019-05-25	rnd 3	type Standard	result 1
		Opponent Mkentane, L (Lutho)				Opponent Jacobs, B (Brandon Lee)
2	2	Tournament 2019 National Club Chess Championships				Tournament 2019 Western Cape Club Championship
		date 2019-09-29	rnd 6	type Standard	result 1	date 2019-10-25	rnd 1	type Standard	result 1
		Opponent Goliath, K (Kian)				Opponent Fielies, S (Salima)
3	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 3	type Standard	result 1	date 2019-08-10	rnd 6	type Standard	result 1
		Opponent Samuel, C (Caleb)				Opponent Steenkamp, W (Wessel)

#	Games	Start				End
1	3	Tournament 2019 Western Province Open				Tournament 2019 Western Province Open
		date 2019-05-25	rnd 1	type Standard	result 1	date 2019-05-25	rnd 3	type Standard	result 1
		Opponent Mkentane, L (Lutho)				Opponent Jacobs, B (Brandon Lee)
2	2	Tournament 2019 National Club Chess Championships				Tournament 2019 Western Cape Club Championship
		date 2019-09-29	rnd 6	type Standard	result 1	date 2019-10-25	rnd 1	type Standard	result 1
		Opponent Goliath, K (Kian)				Opponent Fielies, S (Salima)
3	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 3	type Standard	result 1	date 2019-08-10	rnd 6	type Standard	result 1
		Opponent Samuel, C (Caleb)				Opponent Steenkamp, W (Wessel)

#	Games	Start				End
1	2	Tournament 2019 Cape Town Classic Chess Festival				Tournament 2019 Cape Town Classic Chess Festival
		date 2019-03-30	rnd 1	type Rapid	result 1	date 2019-03-30	rnd 2	type Rapid	result 1
		Opponent Maqungo, S (Sandiso)				Opponent Van Zyl, JM (Johannes Martin)
2	1	Tournament 2019 Cape Town Classic Chess Festival				Tournament 2019 Cape Town Classic Chess Festival
		date 2019-03-30	rnd 5	type Rapid	result 1	date 2019-03-30	rnd 5	type Rapid	result 1
		Opponent Nkanyezi, O (Onele)				Opponent Nkanyezi, O (Onele)

#	Games	Start				End
1	2	Tournament 2019 Groote Schuur High School Blitz				Tournament Steinitz Club Team Blitz Championship 2024
		date 2019-06-14	rnd 9	type Blitz	result 1	date 2024-02-15	rnd 1	type Blitz	result 1
		Opponent Shaani, KP (Kumbirayi)				Opponent Rubusana, B (Babalwa)
2	2	Tournament 2019 Groote Schuur High School Blitz				Tournament 2019 Groote Schuur High School Blitz
		date 2019-06-14	rnd 6	type Blitz	result 1	date 2019-06-14	rnd 7	type Blitz	result 1
		Opponent Jaftha, C (Chazlian)				Opponent Jacobs, B (Brandon Lee)
3	2	Tournament 2019 Groote Schuur High School Blitz				Tournament 2019 Groote Schuur High School Blitz
		date 2019-06-14	rnd 3	type Blitz	result 1	date 2019-06-14	rnd 4	type Blitz	result 1
		Opponent Blows, K (Kiara)				Opponent Saidi, M (Mouath)

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	Willenberg ,KD (Kurt Dale)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Willenberg ,KD (Kurt Dale)	3	1350	1491.7	3	1350.2	1491.7	0	0	0	0	0	0
2	Bouah ,D (Denise)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Bouah ,D (Denise)	2	1791.4	1578.9	2	1804.9	1578.9	0	0	0	0	0	0
3	Willenberg ,SC (Shane Clayton)	2	1	0	2	1	0	0	0	0	0	0	0
3	Willenberg ,SC (Shane Clayton)	2	1707.7	1707.7	2	1700.4	1707.7	0	0	0	0	0	0
4	Steenkamp ,W (Wessel)	2	1	0	2	1	0	0	0	0	0	0	0
4	Steenkamp ,W (Wessel)	2	1454.4	1454.4	2	1445.4	1454.4	0	0	0	0	0	0
5	Jacobs ,B (Brandon Lee)	2	2	425	1	1	425	0	0	0	1	1	425
5	Jacobs ,B (Brandon Lee)	2	1409.9	1834.9	1	1369.2	1834.9	0	0	0	1	1221.2	1834.9
6	Bhawoodien ,SH (Shabier Husain)	2	0	-425	1	0	-425	0	0	0	1	0	-425
6	Bhawoodien ,SH (Shabier Husain)	2	2021.5	1596.5	1	2071	1596.5	0	0	0	1	2119.6	1596.5
7	Booysen ,DF (Don-Fredo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Booysen ,DF (Don-Fredo)	1	1416.4	991.4	1	1415.6	991.4	0	0	0	0	0	0
8	Kedama ,S (Sandiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Kedama ,S (Sandiso)	1	1553.4	1128.4	1	1541.9	1128.4	0	0	0	0	0	0
9	Blaauw ,GM (Gavin)	1	1	425	1	1	425	0	0	0	0	0	0
9	Blaauw ,GM (Gavin)	1	1584.5	2009.5	1	1559.8	2009.5	0	0	0	0	0	0
10	Walters ,WDP (Wouter Dirk Pretorius)	1	1	425	1	1	425	0	0	0	0	0	0
10	Walters ,WDP (Wouter Dirk Pretorius)	1	1609.2	2034.2	1	1605.8	2034.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jacobs, PJ (Peter-John)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms