Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jakobs, J (Juan-Pierre)

Chess SA id

1100145217

FIDE id

Date of birth

2010-03-05 (U16)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1278.2

Item	Main	Standard	Rapid	Blitz
Rating	1294.7	1305.1	1197.2	1200
Raw rating	1294.7	1305.1	1197.2	1200
Weighted rating	1266.5	1269.6	1197.2	1200
Weighted performance	1195.2	1197.5	0	0
Floor	794.7	805.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	144.9	142.8	166.5	165.8
Highest rating	1294.7 2025-05-05	1305.1 2025-05-05	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1294.7 2025-05-05	1305.1 2025-05-05	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1255.5 2025-08-01	1255.8 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1275.3 2025-05-05	1277.7 2023-03-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1294.7	1305.1	1197.2	1200
Analysis
Rating	1294.7	1305.1	1197.2	1200
Raw rating	1294.7	1305.1	1197.2	1200
Weighted rating	1266.5	1269.6	1197.2
Weighted performance	1195.2	1197.5	0
K-factor	36	36	36	36
Floor	794.7	805.1	700	700
Max/Min rating change allowed	144.9	142.8	166.5	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	1294.7	1305.1	1197.2	1200
New weighted rating	1269.7	1273.7	1197.2	1200
New weighted performance	1187.7	1189.9	0	0
Temp new rating	1294.7	1305.1	1197.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1294.7	1305.1	1197.2	1200
New K-factor	36	36	36	36
New floor	794.7	805.1	700	700

Item	Main	Standard	Rapid
	0	0	0
	28	28	0
	4	4	0
	25	25	0
	9	4	5
	0	0	0
History	66	61	5

Games since
	Main 32	Standard 32		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	3127		901		288
Male	2462		656		205
U16	508		162		52
U16 Male	381		113		39
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	28	13	46.43	-30.4	1312.4	1282.1
Standard	28	13	46.43	-30.4	1312.4	1282.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	66	33	50	0	1269.8	1269.8
Standard	61	30	49.18	-7	1272.4	1265.4
Rapid	5	3	60	85	1238.1	1323.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1294.7	1305.1	1197.2	1200
2025-09-30	1294.7	1305.1	1197.2	1200
2025-09-01	1294.7	1305.1	1197.2	1200
2025-08-01	1294.7	1305.1	1197.2	1200
2025-07-01	1294.7	1305.1	1197.2	1200
2025-06-01	1294.7	1305.1	1197.2	1200
2025-05-01	1294.7	1305.1	1197.2	1200
2025-04-01	1264.6	1269.3	1197.2	1200
2025-03-01	1235	1229.8	1197.2	1200
2025-02-01	1235	1229.9	1197.2	1200
2025-01-01	1238.2	1234	1197.2	1200
2024-12-01	1238.2	1234	1197.2	1200
2024-11-01	1238.2	1234	1197.2	1200
2024-10-01	1238.2	1234	1197.2	1200
2024-09-01	1238.2	1234	1197.2	1200
2024-08-01	1234.3	1228.6	1197.2	1200
2024-07-01	1234.3	1228.6	1197.2	1200
2024-09-01	1234.3	1228.6	1197.2	1200
2024-05-01	1234.3	1228.6	1197.2	1200
2024-04-01	1234.3	1228.6	1197.2	1200
2024-03-01	1234.3	1228.6	1197.2	1200
2024-02-01	1234.3	1228.6	1197.2	1200
2024-01-01	1234.3	1228.6	1197.2	1200
2023-12-01	1234.3	1228.6	1197.2	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 Chess Trials 2 2025 (U16)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	9	5	Yes	Analysis
2	Hessequa Ontwikkelings Toernooi 2025 (U15 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	Eden Schools Chess Trials 1 2025 (U15 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis
4	Hessequa Skole Proewe 2 2025 (U15 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	4	1	Yes	Analysis
5	Hessequa Skole Skaak 2025 (O15 Seuns)	2025-01-25	2025-01-25	Standard	Eden (WEG)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Chess Trials 2 2025 (U16)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	9	5	Yes	Analysis
2	Hessequa Ontwikkelings Toernooi 2025 (U15 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	Eden Schools Chess Trials 1 2025 (U15 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis
4	Hessequa Skole Proewe 2 2025 (U15 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	4	1	Yes	Analysis
5	Hessequa Skole Skaak 2025 (O15 Seuns)	2025-01-25	2025-01-25	Standard	Eden (WEG)	5	5	2	Yes	Analysis
6	Eden Top Schools 2024 (U15 Open)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	4	2	Yes	Analysis
7	Eden Trials 2+3 2023 (U14)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	10	4.5	Yes	Analysis
8	Eden Trails 1 2023 (U13 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
9	Hessequa Proewe 2 2023 (O13 Seuns)	2023-02-11	2023-02-11	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
10	Hessequa Proewe 1 2023 (O13 Seuns)	2023-01-28	2023-01-28	Standard	Eden (WEG)	5	5	3	Yes	Analysis
11	Hessequa Ontwikkeling 2022 (Laerskole)	2022-10-22	2022-10-22	Rapid	Eden (WEG)	5	5	3	Yes	Analysis
12	Eden Topskole 2022 (O13 Ope)	2022-08-13	2022-08-13	Standard	Eden (WEG)	5	4	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Eden Trails 1 2023				Tournament Eden Trials 2+3 2023
		date 2023-03-11	rnd 3	type Standard	result 1	date 2023-04-15	rnd 1	type Standard	result 0.5
		Opponent Pietersen, E (Ethan)				Opponent Sauls, G (Glinnis-Lynn)
2	3	Tournament Eden Trials 2+3 2023				Tournament Eden Trials 2+3 2023
		date 2023-04-15	rnd 3	type Standard	result 0.5	date 2023-04-15	rnd 5	type Standard	result 1
		Opponent Pietersen, E (Ethan)				Opponent Koopman, J (Juan)
3	3	Tournament Hessequa Proewe 2 2023				Tournament Hessequa Proewe 2 2023
		date 2023-02-11	rnd 3	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 0.5
		Opponent Kleinhans, H (Hayguin)				Opponent Jonas, D (Damian)

#	Games	Start				End
1	4	Tournament Eden Trails 1 2023				Tournament Eden Trials 2+3 2023
		date 2023-03-11	rnd 3	type Standard	result 1	date 2023-04-15	rnd 1	type Standard	result 0.5
		Opponent Pietersen, E (Ethan)				Opponent Sauls, G (Glinnis-Lynn)
2	3	Tournament Eden Trials 2+3 2023				Tournament Eden Trials 2+3 2023
		date 2023-04-15	rnd 3	type Standard	result 0.5	date 2023-04-15	rnd 5	type Standard	result 1
		Opponent Pietersen, E (Ethan)				Opponent Koopman, J (Juan)
3	3	Tournament Hessequa Proewe 2 2023				Tournament Hessequa Proewe 2 2023
		date 2023-02-11	rnd 3	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 0.5
		Opponent Kleinhans, H (Hayguin)				Opponent Jonas, D (Damian)

#	Games	Start				End
1	2	Tournament Hessequa Ontwikkeling 2022				Tournament Hessequa Ontwikkeling 2022
		date 2022-10-22	rnd 2	type Rapid	result 1	date 2022-10-22	rnd 3	type Rapid	result 1
		Opponent Wewers, A (Adriano)				Opponent Meyer, X (Xaydia)
2	1	Tournament Hessequa Ontwikkeling 2022				Tournament Hessequa Ontwikkeling 2022
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 5	type Rapid	result 1
		Opponent Treurnicht, C (Chanique)				Opponent Treurnicht, C (Chanique)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 3	type Standard	result 1	date 2023-03-11	rnd 5	type Standard	result 1
		Opponent Pietersen, E (Ethan)				Opponent Olckers, E (Emiel)
2	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-04-12	rnd 6	type Standard	result 1
		Opponent Plaatjies, R (Ronaldinho)				Opponent Sauls, G (Glinnis-Lynn)
3	2	Tournament Hessequa Ontwikkelings Toernooi 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Fielies, D (Dewaldo)				Opponent Ntselungo, M (Morne)

#	Games	Start				End
1	3	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 3	type Standard	result 1	date 2023-03-11	rnd 5	type Standard	result 1
		Opponent Pietersen, E (Ethan)				Opponent Olckers, E (Emiel)
2	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-04-12	rnd 6	type Standard	result 1
		Opponent Plaatjies, R (Ronaldinho)				Opponent Sauls, G (Glinnis-Lynn)
3	2	Tournament Hessequa Ontwikkelings Toernooi 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Fielies, D (Dewaldo)				Opponent Ntselungo, M (Morne)

#	Games	Start				End
1	2	Tournament Hessequa Ontwikkeling 2022				Tournament Hessequa Ontwikkeling 2022
		date 2022-10-22	rnd 2	type Rapid	result 1	date 2022-10-22	rnd 3	type Rapid	result 1
		Opponent Wewers, A (Adriano)				Opponent Meyer, X (Xaydia)
2	1	Tournament Hessequa Ontwikkeling 2022				Tournament Hessequa Ontwikkeling 2022
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 5	type Rapid	result 1
		Opponent Treurnicht, C (Chanique)				Opponent Treurnicht, C (Chanique)

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	Joseph ,W (William)	5	1	-255	5	1	-255	0	0	0	0	0	0
1	Joseph ,W (William)	5	1408.4	1153.4	5	1417.9	1153.4	0	0	0	0	0	0
2	Stephanus ,E (Earl)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Stephanus ,E (Earl)	3	1412.1	987.1	3	1426	987.1	0	0	0	0	0	0
3	Daries ,T (Tyreez)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Daries ,T (Tyreez)	3	1358.8	1500.4	3	1361.2	1500.4	0	0	0	0	0	0
4	Stewart ,E (Ewald)	2	1	0	2	1	0	0	0	0	0	0	0
4	Stewart ,E (Ewald)	2	1225.6	1225.6	2	1224.8	1225.6	0	0	0	0	0	0
5	Pietersen ,E (Ethan)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
5	Pietersen ,E (Ethan)	2	1247.4	1459.9	2	1255.6	1459.9	0	0	0	0	0	0
6	Jonas ,D (Damian)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Jonas ,D (Damian)	2	1094.4	1306.9	2	1085.8	1306.9	0	0	0	0	0	0
7	Fakier ,A (Abdur-Rahmaan)	2	1	0	2	1	0	0	0	0	0	0	0
7	Fakier ,A (Abdur-Rahmaan)	2	1224.2	1224.2	2	1229.1	1224.2	0	0	0	0	0	0
8	Michaels ,J (Joshua)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Michaels ,J (Joshua)	2	1347.2	922.2	2	1368.6	922.2	0	0	0	0	0	0
9	Moolman ,K (Khiano)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
9	Moolman ,K (Khiano)	2	1291.3	1078.8	2	1298.8	1078.8	0	0	0	0	0	0
10	Sauls ,G (Glinnis-Lynn)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Sauls ,G (Glinnis-Lynn)	2	1334.8	1547.3	2	1328.4	1547.3	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

Jakobs, J (Juan-Pierre)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms