Chess South Africa Ratings Database

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Personal

Petersen, E (Elijah)

Chess SA id

1150191744

FIDE id

Date of birth

2015-11-13 (U12)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1307

Item	Main	Standard	Rapid	Blitz
Rating	1347.5	1372.3	1217.4	1200
Raw rating	1347.5	1372.3	1216.6	1200
Weighted rating	1280.4	1293.5	1217.4	1200
Weighted performance	1303.9	1312.9	0	0
Floor	865.6	890.6	726	700
K-factor	36	36	36	36
Min/Max rating change allowed	134.4	129.7	161.9	165.8
Highest rating	1365.6 2025-04-01	1390.6 2025-04-01	1295.3 2024-06-01	1200 2024-10-01
Highest raw rating	1365.6 2025-04-01	1390.6 2025-04-01	1226 2024-07-01	1200 2024-02-01
Highest weighted rating	1263.1 2025-09-01	1390.6 2024-08-01	1226 2024-10-01	1200 2024-10-01
Highest weighted performance	1365.6 2025-04-01	1390.6 2024-12-01	1295.3 2024-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.2	0
New rating	1347.5	1372.3	1217.6	1200
Analysis
Rating	1347.5	1372.3	1217.4	1200
Raw rating	1347.5	1372.3	1216.6	1200
Weighted rating	1280.4	1293.5	1217.4
Weighted performance	1303.9	1312.9	0
K-factor	36	36	36	36
Floor	865.6	890.6	726	700
Max/Min rating change allowed	134.4	129.7	161.9	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	1347.5	1372.3	1216.6	1200
New weighted rating	1288.4	1302.9	1217.6	1200
New weighted performance	1295.9	1304.7	0	0
Temp new rating	1347.5	1372.3	1217.6	1200
Temp new rating +/-	0	0	0.2	0
Final new rating +/-	0	0	0.2	0
New rating	1347.5	1372.3	1217.6	1200
New K-factor	36	36	36	36
New floor	865.6	890.6	726	700

Item	Main	Standard	Rapid
	0	0	0
	41	35	6
	33	27	6
	0	0	0
	0	0	0
	0	0	0
History	74	62	12

Games since
	Main 74	Standard 62		Rapid 12		Blitz 0
Gender	Male
Age group	U12
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2747		873		237
Male	2194		667		180
U12	393		128		37
U12 Male	284		88		24
Standard
	RSA		Province		Region
Overall	2394		668		196
Male	1930		512		147
U12	320		93		34
U12 Male	236		66		23
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	41	23.5	57.32	62.2	1283.1	1345.3
Standard	35	21.5	61.43	97.1	1271.1	1368.3
Rapid	6	2	33.33	-141.7	1352.9	1211.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	74	38.5	52.03	17.2	1258.7	1276
Standard	62	32.5	52.42	20.6	1260.3	1280.9
Rapid	12	6	50	0	1250.5	1250.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1347.5	1372.3	1216.6	1200
2025-09-30	1347.5	1372.3	1216.6	1200
2025-09-01	1347.5	1372.3	1216.6	1200
2025-08-01	1322.9	1349	1216.6	1200
2025-07-01	1322.9	1349	1216.2	1200
2025-06-01	1322.9	1349	1215.8	1200
2025-05-01	1322.9	1349	1215.3	1200
2025-04-01	1365.6	1390.6	1214.7	1200
2025-03-01	1240	1249.2	1212.1	1200
2025-02-01	1242.1	1245.8	1226	1200
2025-01-01	1204.2	1197.5	1226	1200
2024-12-01	1204.2	1197.5	1226	1200
2024-11-01	1204.2	1197.5	1226	1200
2024-10-01	1204.2	1197.5	1226	1200
2024-09-01	1204.2	1197.5	1226	1200
2024-08-01	1220.3	1214.4	1226	1200
2024-07-01	1220.3	1214.4	1226	1200
2024-09-01	1206	1214.4	1200	1200
2024-05-01	1206	1214.4	1200	1200
2024-04-01	1172.1	1170.8	1200	1200
2024-03-01	1171.1	1166.8	1200	1200
2024-02-01	1154.2	1144	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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 Top Schools 2025 (U11 Open)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
2	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	5	Yes	Analysis
3	Hessequa Ontwikkelings Toernooi 2025 (U11 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
4	Eden Schools Chess Trials 1 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
5	Eden Rapid 2025 (B)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	6	2	Yes	Analysis
6	Hessequa Skole Proewe 2 2025 (U11 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
7	Hessequa Skole Skaak 2025 (O11 Seuns)	2025-01-25	2025-01-25	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Top Schools 2025 (U11 Open)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
2	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	5	Yes	Analysis
3	Hessequa Ontwikkelings Toernooi 2025 (U11 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
4	Eden Schools Chess Trials 1 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
5	Eden Rapid 2025 (B)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	6	2	Yes	Analysis
6	Hessequa Skole Proewe 2 2025 (U11 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
7	Hessequa Skole Skaak 2025 (O11 Seuns)	2025-01-25	2025-01-25	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
8	Eden Top Schools 2024 (U9 Open)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	4	1	Yes	Analysis
9	Western Cape - Brian Raubenheimer Development Tournament 2024 (U9 Boys)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
10	Eden Chess Trials 2 2024 (U10)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	10	5	Yes	Analysis
11	Eden School Chess Trials 1 2024 (U9 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	4	2	Yes	Analysis
12	Hessequa Skole Proewe 2 2024 (U9 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
13	Hessequa Proewe 1 2024 (U9 Boys)	2024-01-27	2024-01-27	Standard	Eden (WEG)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament Eden Top Schools 2024
		date 2024-06-08	rnd 3	type Rapid	result 1	date 2024-08-17	rnd 1	type Standard	result 1
		Opponent Heynse, D (Deraygon)				Opponent Fillies, R (Rayvinio)
2	4	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 2	type Standard	result 0.5	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Frans, L (Lyle)				Opponent Ruiters, L (Liam)
3	4	Tournament Hessequa Skole Skaak 2025				Tournament Hessequa Skole Proewe 2 2025
		date 2025-01-25	rnd 4	type Standard	result 1	date 2025-01-25	rnd 2	type Standard	result 1
		Opponent Joseph, I (Ignatius)				Opponent Saayman, A (Aljurique)

#	Games	Start				End
1	4	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 2	type Standard	result 0.5	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Frans, L (Lyle)				Opponent Ruiters, L (Liam)
2	4	Tournament Hessequa Skole Skaak 2025				Tournament Hessequa Skole Proewe 2 2025
		date 2025-01-25	rnd 4	type Standard	result 1	date 2025-01-25	rnd 2	type Standard	result 1
		Opponent Joseph, I (Ignatius)				Opponent Saayman, A (Aljurique)
3	4	Tournament Hessequa Proewe 1 2024				Tournament Hessequa Skole Proewe 2 2024
		date 2024-01-27	rnd 5	type Standard	result 0.5	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Vries, J (Joshua)				Opponent Geyser, L (Laubscher)

#	Games	Start				End
1	5	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament Eden Rapid 2025
		date 2024-06-08	rnd 3	type Rapid	result 1	date 2025-02-23	rnd 1	type Rapid	result 1
		Opponent Heynse, D (Deraygon)				Opponent Marner, L (Loannes)
2	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 5	type Rapid	result 1	date 2025-02-23	rnd 5	type Rapid	result 1
		Opponent Nomdo, A (Ajay)				Opponent Nomdo, A (Ajay)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament Eden Top Schools 2024
		date 2024-06-08	rnd 3	type Rapid	result 1	date 2024-08-17	rnd 1	type Standard	result 1
		Opponent Heynse, D (Deraygon)				Opponent Fillies, R (Rayvinio)
2	3	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Botha, M (Mashone)				Opponent Ruiters, L (Liam)
3	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 7	type Standard	result 1	date 2025-04-12	rnd 9	type Standard	result 1
		Opponent Frans, L (Lyle)				Opponent Okonko, E (Eberechukwu)

#	Games	Start				End
1	3	Tournament Eden Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Botha, M (Mashone)				Opponent Ruiters, L (Liam)
2	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 7	type Standard	result 1	date 2025-04-12	rnd 9	type Standard	result 1
		Opponent Frans, L (Lyle)				Opponent Okonko, E (Eberechukwu)
3	3	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 2	type Standard	result 1
		Opponent Nomdo, A (Ajay)				Opponent Stoffels, C (Connor)

#	Games	Start				End
1	5	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament Eden Rapid 2025
		date 2024-06-08	rnd 3	type Rapid	result 1	date 2025-02-23	rnd 1	type Rapid	result 1
		Opponent Heynse, D (Deraygon)				Opponent Marner, L (Loannes)
2	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 5	type Rapid	result 1	date 2025-02-23	rnd 5	type Rapid	result 1
		Opponent Nomdo, A (Ajay)				Opponent Nomdo, A (Ajay)

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	Nomdo ,A (Ajay)	6	3.5	70.8	4	1.5	-106.2	2	2	425	0	0	0
1	Nomdo ,A (Ajay)	6	1287.8	1358.6	4	1319.4	1181.5	2	1119.4	1712.8	0	0	0
2	Dreyer ,T (Tomrique)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Dreyer ,T (Tomrique)	3	1207.6	782.6	3	1207.1	782.6	0	0	0	0	0	0
3	Williams ,L (Lauri-Url)	2	1	0	2	1	0	0	0	0	0	0	0
3	Williams ,L (Lauri-Url)	2	1305.6	1305.6	2	1315.2	1305.6	0	0	0	0	0	0
4	Vries ,J (Joshua)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Vries ,J (Joshua)	2	1182.9	1395.4	2	1180.8	1395.4	0	0	0	0	0	0
5	Wyngaard ,A (Adam)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Wyngaard ,A (Adam)	2	1348	923	2	1341.2	923	0	0	0	0	0	0
6	Wyngaard ,M (Michael)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Wyngaard ,M (Michael)	2	1345.2	920.2	2	1352.2	920.2	0	0	0	0	0	0
7	Frans ,L (Lyle)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
7	Frans ,L (Lyle)	2	1195.8	1408.2	2	1196.7	1408.2	0	0	0	0	0	0
8	Prins ,K (Kai)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Prins ,K (Kai)	2	1243.9	1031.4	2	1251.9	1031.4	0	0	0	0	0	0
9	Opperman ,C (Caden)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Opperman ,C (Caden)	2	1453.2	1028.2	2	1454	1028.2	0	0	0	0	0	0
10	Botha ,M (Mashone)	2	2	425	2	2	425	0	0	0	0	0	0
10	Botha ,M (Mashone)	2	1200.3	1625.3	2	1196.4	1625.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Petersen, E (Elijah)

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