Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, P (Pernell)

Chess SA id

1070132018

FIDE id

Date of birth

2007-07-26 (U20)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1477.8

Item	Main	Standard	Rapid	Blitz
Rating	1528	1517.5	1200	1200
Raw rating	1516.5	1502.4	1200	1200
Weighted rating	1528	1517.5	1200	1200
Weighted performance	1388.9	1380.2	0	0
Floor	1054.5	1052	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	105.6	107.8	165.8	165.8
Highest rating	1554.5 2025-04-01	1552 2025-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1554.5 2025-04-01	1552 2025-04-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1528 2025-11-01	1517.5 2025-11-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1526.6 2025-04-01	1539.6 2024-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.5	0.1	0	0
New rating	1528.5	1517.6	1200	1200
Analysis
Rating	1528	1517.5	1200	1200
Raw rating	1516.5	1502.4	1200	1200
Weighted rating	1528	1517.5	1200
Weighted performance	1388.9	1380.2	0
K-factor	32	32	36	36
Floor	1054.5	1052	700	700
Max/Min rating change allowed	105.6	107.8	165.8	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	1516.5	1502.4	1200	1200
New weighted rating	1528.5	1517.6	1200	1200
New weighted performance	1380.3	1371.8	0	0
Temp new rating	1528.5	1517.6	1200	1200
Temp new rating +/-	0.5	0.1	0	0
Final new rating +/-	0.5	0.1	0	0
New rating	1528.5	1517.6	1200	1200
New K-factor	32	32	36	36
New floor	1054.5	1052	700	700

Item	Main	Standard
	0	0
	34	34
	34	34
	30	30
	10	10
	0	0
History	118	118

Games since
	Main 68	Standard 68		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1068		331		73
Male	931		287		64
U20	95		34		6
U20 Male	81		30		5
Standard
	RSA		Province		Region
Overall	1075		300		68
Male	927		251		56
U20	100		34		6
U20 Male	81		29		5
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	34	22	64.71	125	1403.3	1528.3
Standard	34	22	64.71	125	1403.3	1528.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	118	77.5	65.68	133.3	1344.9	1478.2
Standard	118	77.5	65.68	133.3	1344.9	1478.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1516.5	1502.4	1200	1200
2025-09-30	1543.8	1532.2	1200	1200
2025-09-01	1543.8	1532.2	1200	1200
2025-08-01	1543.8	1532.2	1200	1200
2025-07-01	1543.8	1532.2	1200	1200
2025-06-01	1543.8	1532.2	1200	1200
2025-05-01	1543.8	1532.2	1200	1200
2025-04-01	1554.5	1552	1200	1200
2025-03-01	1523.3	1513.5	1200	1200
2025-02-01	1525.7	1514.5	1200	1200
2025-01-01	1525.7	1514.5	1200	1200
2024-12-01	1525.7	1514.5	1200	1200
2024-11-01	1548	1541.7	1200	1200
2024-10-01	1504.2	1492.1	1200	1200
2024-09-01	1504.2	1492.1	1200	1200
2024-08-01	1504.2	1492.1	1200	1200
2024-07-01	1504.2	1492.1	1200	1200
2024-09-01	1504.2	1492.1	1200	1200
2024-05-01	1504.2	1492.1	1200	1200
2024-04-01	1510.3	1497.2	1200	1200
2024-03-01	1482.5	1494.8	1200	1200
2024-02-01	1411.9	1409.4	1200	1200
2024-01-01	1411.9	1409.4	1200	1200
2023-12-01	1411.9	1409.4	1200	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	Eden League 2025 (Premier Division)	2025-10-11	2025-10-11	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U19 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
3	Eden Chess Trials 2 2025 (U20)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	9	6	Yes	Analysis
4	Eden Schools Chess Trials 1 2025 (U19 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
5	Oudussa Trials 2025 (U19)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	4	Yes	Analysis
6	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	0	0	No	Analysis
7	Oudussa Trials 2 2025 (U19 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden League 2025 (Premier Division)	2025-10-11	2025-10-11	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U19 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
3	Eden Chess Trials 2 2025 (U20)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	9	6	Yes	Analysis
4	Eden Schools Chess Trials 1 2025 (U19 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
5	Oudussa Trials 2025 (U19)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	4	Yes	Analysis
6	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	0	0	No	Analysis
7	Oudussa Trials 2 2025 (U19 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
8	Eden Gambit Chess Tournament 2024 (A)	2024-11-02	2024-11-02	Standard	Eden (WEG)	5	4	1	Yes	Analysis
9	Eden Chess Union League 2024 (Premier)	2024-10-12	2024-10-12	Standard	Eden (WEG)	5	5	4.5	Yes	Analysis
10	Eden Chess Trials 2 2024 (U18)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	5	3	Yes	Analysis
11	Western Cape HS Individuals Championship 2024 (U18 Boys)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
12	Eden School Chess Trials 1 2024 (U18 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	4	2.5	Yes	Analysis
13	OUDUSSA Trials 2 2024 (U18 Boys+Girls)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	5	Yes	Analysis
14	OUDUSSA Trials 1 2024 (U18 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	4.5	Yes	Analysis
15	Eden Trials 2+3 2023 (U18)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	9	6.5	Yes	Analysis
16	George Chess Club Winter Open 2023 (B)	2023-05-20	2023-05-20	Standard	Eden (WEG)	5	5	3	Yes	Analysis
17	Western Cape HS Individuals 2023 (U17 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
18	Eden Trails 1 2023 (U17 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	4	Yes	Analysis
19	Oudussa Proewe 1 2023 (U17 Boys)	2023-02-25	2023-02-25	Standard	Eden (WEG)	5	5	5	Yes	Analysis
20	Eden Proewe 2 2022 (O15 Seuns)	2022-04-09	2022-04-09	Standard	Eden (WEG)	5	5	3	Yes	Analysis
21	Eden Proewe 1 2022 (O15 Seuns)	2022-03-12	2022-03-12	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
22	Eden Schools Closed Trials 1 2020 (U13 Boys)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	2	Yes	Analysis
23	Oudtshoorn Proewe 1 2020 (O13)	2020-02-15	2020-02-15	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	15	Tournament George Chess Club Winter Open 2023				Tournament Eden School Chess Trials 1 2024
		date 2023-05-20	rnd 3	type Standard	result 0.5	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Van Staden, N (Neeson)				Opponent Ludick, D (Duewin)
2	11	Tournament Oudussa Proewe 1 2023				Tournament Western Cape HS Individuals 2023
		date 2023-02-25	rnd 1	type Standard	result 1	date 2023-04-01	rnd 1	type Standard	result 0.5
		Opponent Paulse, S (Selwyn)				Opponent Heesen, T (Tyler)
3	8	Tournament Oudussa Trials 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 2	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 0.5
		Opponent De Jongh, H (Herchelle)				Opponent Michaels, A (Antonio)

#	Games	Start				End
1	15	Tournament George Chess Club Winter Open 2023				Tournament Eden School Chess Trials 1 2024
		date 2023-05-20	rnd 3	type Standard	result 0.5	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Van Staden, N (Neeson)				Opponent Ludick, D (Duewin)
2	11	Tournament Oudussa Proewe 1 2023				Tournament Western Cape HS Individuals 2023
		date 2023-02-25	rnd 1	type Standard	result 1	date 2023-04-01	rnd 1	type Standard	result 0.5
		Opponent Paulse, S (Selwyn)				Opponent Heesen, T (Tyler)
3	8	Tournament Oudussa Trials 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 2	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 0.5
		Opponent De Jongh, H (Herchelle)				Opponent Michaels, A (Antonio)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Oudussa Trials 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent De Jongh, H (Herchelle)				Opponent De Lange, G (Gebhart)
2	7	Tournament OUDUSSA Trials 2 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-02-17	rnd 1	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Uithaler, K (Keanu)				Opponent Ludick, D (Duewin)
3	6	Tournament George Chess Club Winter Open 2023				Tournament OUDUSSA Trials 1 2024
		date 2023-05-20	rnd 4	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Jacobs, C (Charzey)				Opponent Petersen, JD (John-Wayne)

#	Games	Start				End
1	7	Tournament Oudussa Trials 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent De Jongh, H (Herchelle)				Opponent De Lange, G (Gebhart)
2	7	Tournament OUDUSSA Trials 2 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-02-17	rnd 1	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Uithaler, K (Keanu)				Opponent Ludick, D (Duewin)
3	6	Tournament George Chess Club Winter Open 2023				Tournament OUDUSSA Trials 1 2024
		date 2023-05-20	rnd 4	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Jacobs, C (Charzey)				Opponent Petersen, JD (John-Wayne)

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	Daniels ,R (Reuben)	4	0.5	-318.8	4	0.5	-318.8	0	0	0	0	0	0
1	Daniels ,R (Reuben)	4	1573.9	1255.2	4	1556.6	1255.2	0	0	0	0	0	0
2	Michaels ,A (Antonio)	4	3.5	318.8	4	3.5	318.8	0	0	0	0	0	0
2	Michaels ,A (Antonio)	4	1543.1	1861.8	4	1519.2	1861.8	0	0	0	0	0	0
3	Jansen ,H (Heino)	3	3	425	3	3	425	0	0	0	0	0	0
3	Jansen ,H (Heino)	3	1232.5	1657.5	3	1218.2	1657.5	0	0	0	0	0	0
4	Stander ,R (Rashean)	3	3	425	3	3	425	0	0	0	0	0	0
4	Stander ,R (Rashean)	3	1169.8	1594.8	3	1160.8	1594.8	0	0	0	0	0	0
5	Du Plessis ,A (Arno)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
5	Du Plessis ,A (Arno)	3	1564.5	1281.1	3	1564.4	1281.1	0	0	0	0	0	0
6	Steyn ,M (Malcolm)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Steyn ,M (Malcolm)	2	1298.1	873.1	2	1306.7	873.1	0	0	0	0	0	0
7	Pietersen ,E (Enzalin)	2	1	0	2	1	0	0	0	0	0	0	0
7	Pietersen ,E (Enzalin)	2	1336.6	1336.6	2	1344.6	1336.6	0	0	0	0	0	0
8	Kuyler ,L (Luzandri)	2	1	0	2	1	0	0	0	0	0	0	0
8	Kuyler ,L (Luzandri)	2	1413.8	1413.8	2	1416.4	1413.8	0	0	0	0	0	0
9	Scheepers ,J (Jonathan)	2	1	0	2	1	0	0	0	0	0	0	0
9	Scheepers ,J (Jonathan)	2	1465.2	1465.2	2	1440.4	1465.2	0	0	0	0	0	0
10	Williams ,I (Igor)	2	1	0	2	1	0	0	0	0	0	0	0
10	Williams ,I (Igor)	2	1407.2	1407.2	2	1404.8	1407.2	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

Jacobs, P (Pernell)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms