Chess South Africa Ratings Database

PLAYER PAGE

Personal

Gabriel, J (Jonathan)

Chess SA id

1090301103

FIDE id

Date of birth

2009-11-23 (U18)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1385.9

Item	Main	Standard	Rapid	Blitz
Rating	1424.7	1401.3	1322.8	1200
Raw rating	1418.5	1401.3	1322.8	1200
Weighted rating	1343.6	1319	1293.3	1200
Weighted performance	1424.7	1401	0	0
Floor	918.5	901.3	822.8	700
K-factor	32	32	36	36
Min/Max rating change allowed	121.5	124.5	139.2	165.8
Highest rating	1441 2025-09-30	1417.1 2025-09-30	1416.6 2024-04-01	1200 2024-04-01
Highest raw rating	1418.5 2025-09-30	1401.3 2025-09-30	1322.8 2025-03-01	1200 2024-04-01
Highest weighted rating	1372.4 2024-10-01	1340.5 2024-10-01	1322.8 2024-10-01	1200 2024-04-01
Highest weighted performance	1441 2025-09-30	1417.1 2025-09-30	1416.6 2024-04-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-6.2	0	0	0
New rating	1418.5	1401.3	1322.8	1200
Analysis
Rating	1424.7	1401.3	1322.8	1200
Raw rating	1418.5	1401.3	1322.8	1200
Weighted rating	1343.6	1319	1293.3
Weighted performance	1424.7	1401	0
K-factor	32	32	36	36
Floor	918.5	901.3	822.8	700
Max/Min rating change allowed	121.5	124.5	139.2	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	1418.5	1401.3	1322.8	1200
New weighted rating	1352.6	1328.2	1297.6	1200
New weighted performance	1416	1392.4	0	0
Temp new rating	1418.5	1401.3	1322.8	1200
Temp new rating +/-	-6.2	0	0	0
Final new rating +/-	-6.2	0	0	0
New rating	1418.5	1401.3	1322.8	1200
New K-factor	32	32	36	36
New floor	918.5	901.3	822.8	700

Item	Main	Standard	Rapid
	0	0	0
	27	21	6
	16	11	5
	0	0	0
	0	0	0
	0	0	0
History	43	32	11

Games since
	Main 43	Standard 32		Rapid 11		Blitz 0
Gender	Male
Age group	U18
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1929		597		31
Male	1595		481		23
U18	308		91		5
U18 Male	268		77		4
Standard
	RSA		Province		Region
Overall	2079		581		28
Male	1698		455		20
U18	345		91		4
U18 Male	298		75		3
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	27	18.5	68.52	157.4	1341.9	1499.3
Standard	21	13.5	64.29	121.4	1368.7	1490.1
Rapid	6	5	83.33	283.3	1248	1531.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	43	29.5	68.6	158.1	1311.2	1469.4
Standard	32	20.5	64.06	119.5	1343.7	1463.3
Rapid	11	9	81.82	270.5	1216.7	1487.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1418.5	1401.3	1322.8	1200
2025-09-30	1418.5	1401.3	1322.8	1200
2025-09-01	1388.3	1365.3	1322.8	1200
2025-08-01	1372.1	1340.5	1322.8	1200
2025-07-01	1372.1	1340.5	1322.8	1200
2025-06-01	1372.1	1340.5	1322.8	1200
2025-05-01	1372.1	1340.5	1322.8	1200
2025-04-01	1372.4	1335.8	1322.8	1200
2025-03-01	1337.3	1283.7	1322.8	1200
2025-02-01	1302	1283.7	1256	1200
2025-01-01	1302	1283.7	1256	1200
2024-12-01	1302	1283.7	1256	1200
2024-11-01	1302	1283.7	1256	1200
2024-10-01	1302	1283.7	1256	1200
2024-09-01	1302	1283.7	1256	1200
2024-08-01	1302	1283.7	1256	1200
2024-07-01	1264.9	1237.6	1256	1200
2024-09-01	1264.9	1237.6	1256	1200
2024-05-01	1264.9	1237.6	1256	1200
2024-04-01	1238.8	1237.6	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	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	Western Cape Schools - Top Schools 2025 (U17)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
2	Overberg Top Schools 2025 (U15-U19)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U17 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	5	1.5	Yes	Analysis
4	Overberg Schools - HS Closed 2025 (U17 Boys)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
5	Overberg Schools - HS Trials 2025 (U17 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U17)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
2	Overberg Top Schools 2025 (U15-U19)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U17 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	5	1.5	Yes	Analysis
4	Overberg Schools - HS Closed 2025 (U17 Boys)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
5	Overberg Schools - HS Trials 2025 (U17 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
6	Western Cape Top Schools Championship 2024 (U18 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	0	0	No	Analysis
7	Overberg Schools - Top Schools 2024 (U18 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
8	Curro Hermanus Freedom Day Rapid 2024 (U19)	2024-04-27	2024-04-27	Rapid	Overberg (WOS)	5	5	4	Yes	Analysis
9	Western Cape HS Individuals Championship 2024 (U15 Boys)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - HS Trials 2025
		date 2024-07-27	rnd 2	type Standard	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Veotre, T (Tristan)				Opponent Mnganisa, O (Ongama)
2	5	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Groenewald, M (Miguel)				Opponent Rabie, E (Eduan)
3	5	Tournament Western Cape HS Individuals Championship 2024				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2024-03-22	rnd 6	type Standard	result 1	date 2024-04-27	rnd 4	type Rapid	result 1
		Opponent Nel, W (Wian)				Opponent Davel, M (Migael)

#	Games	Start				End
1	6	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - HS Closed 2025
		date 2024-07-27	rnd 2	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Veotre, T (Tristan)				Opponent Rabie, E (Eduan)
2	3	Tournament Overberg Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-09-06	rnd 2	type Standard	result 1
		Opponent Lenderts, B (Brentino)				Opponent Afrika, A (Anver)
3	3	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Stephanus, S (Shagen-Lee)				Opponent Gouveia Goncalves, I (Isabella)

#	Games	Start				End
1	4	Tournament Curro Hermanus Freedom Day Rapid 2024				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2024-04-27	rnd 1	type Rapid	result 1	date 2024-04-27	rnd 4	type Rapid	result 1
		Opponent Bester, E (Emma)				Opponent Davel, M (Migael)
2	3	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Groenewald, M (Miguel)				Opponent De Graaff, R (Ruben)
3	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Beveridge, J (Jesse)				Opponent Mnganisa, O (Ongama)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - HS Trials 2025
		date 2024-07-27	rnd 2	type Standard	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Veotre, T (Tristan)				Opponent Mnganisa, O (Ongama)
2	5	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Groenewald, M (Miguel)				Opponent Rabie, E (Eduan)
3	5	Tournament Western Cape HS Individuals Championship 2024				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2024-03-22	rnd 6	type Standard	result 1	date 2024-04-27	rnd 4	type Rapid	result 1
		Opponent Nel, W (Wian)				Opponent Davel, M (Migael)

#	Games	Start				End
1	6	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - HS Closed 2025
		date 2024-07-27	rnd 2	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Veotre, T (Tristan)				Opponent Rabie, E (Eduan)
2	3	Tournament Overberg Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-09-06	rnd 2	type Standard	result 1
		Opponent Lenderts, B (Brentino)				Opponent Afrika, A (Anver)
3	3	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Stephanus, S (Shagen-Lee)				Opponent Gouveia Goncalves, I (Isabella)

#	Games	Start				End
1	4	Tournament Curro Hermanus Freedom Day Rapid 2024				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2024-04-27	rnd 1	type Rapid	result 1	date 2024-04-27	rnd 4	type Rapid	result 1
		Opponent Bester, E (Emma)				Opponent Davel, M (Migael)
2	3	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Groenewald, M (Miguel)				Opponent De Graaff, R (Ruben)
3	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Beveridge, J (Jesse)				Opponent Mnganisa, O (Ongama)

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	Mfundisi ,M (Mlibo)	2	2	425	2	2	425	0	0	0	0	0	0
1	Mfundisi ,M (Mlibo)	2	1281.3	1706.3	2	1233.2	1706.3	0	0	0	0	0	0
2	Stephanus ,S (Shagen-Lee)	2	2	425	2	2	425	0	0	0	0	0	0
2	Stephanus ,S (Shagen-Lee)	2	1177.8	1602.8	2	1172.3	1602.8	0	0	0	0	0	0
3	Valentine ,L (Luke)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Valentine ,L (Luke)	2	1596.2	1171.2	1	1590.8	1171.2	1	1476.2	1171.2	0	0	0
4	Du Plessis ,MA (Matthys Armand)	1	1	425	1	1	425	0	0	0	0	0	0
4	Du Plessis ,MA (Matthys Armand)	1	1300.8	1725.8	1	1268.9	1725.8	0	0	0	0	0	0
5	Louw ,W (Walt)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Louw ,W (Walt)	1	1554	1129	1	1539.1	1129	0	0	0	0	0	0
6	Nyandebvu ,M (Mannasseh)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Nyandebvu ,M (Mannasseh)	1	1345.5	1345.5	1	1273.4	1345.5	0	0	0	0	0	0
7	Nel ,W (Wian)	1	1	425	1	1	425	0	0	0	0	0	0
7	Nel ,W (Wian)	1	1270.2	1695.2	1	1284.1	1695.2	0	0	0	0	0	0
8	Afrika ,A (Anver)	1	1	425	1	1	425	0	0	0	0	0	0
8	Afrika ,A (Anver)	1	1317.1	1742.1	1	1199.9	1742.1	0	0	0	0	0	0
9	Lenderts ,B (Brentino)	1	1	425	1	1	425	0	0	0	0	0	0
9	Lenderts ,B (Brentino)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Siweni ,A (Alungile)	1	1	425	1	1	425	0	0	0	0	0	0
10	Siweni ,A (Alungile)	1	1196.2	1621.2	1	1200	1621.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Gabriel, J (Jonathan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms