Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sanderson, J (Jamie)

Chess SA id

1100193433

FIDE id

Date of birth

2010-05-12 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1434.5

Item	Main	Standard	Rapid	Blitz
Rating	1469.7	1451.8	1363.2	1200
Raw rating	1469.7	1451.8	1363.2	1200
Weighted rating	1411.2	1379.5	1352.4	1200
Weighted performance	1449.6	1427.3	0	0
Floor	969.7	951.8	863.2	700
K-factor	32	32	36	36
Min/Max rating change allowed	112.9	115.8	131.4	165.8
Highest rating	1469.7 2025-11-01	1451.8 2025-11-01	1526 2024-04-01	1200 2024-02-01
Highest raw rating	1469.7 2025-11-01	1451.8 2025-11-01	1363.2 2024-08-01	1200 2024-02-01
Highest weighted rating	1447.7 2024-10-01	1427.2 2024-10-01	1363.2 2024-10-01	1200 2024-02-01
Highest weighted performance	1466.1 2025-09-30	1443.5 2025-09-30	1526 2024-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1469.7	1451.8	1363.2	1200
Analysis
Rating	1469.7	1451.8	1363.2	1200
Raw rating	1469.7	1451.8	1363.2	1200
Weighted rating	1411.2	1379.5	1352.4
Weighted performance	1449.6	1427.3	0
K-factor	32	32	36	36
Floor	969.7	951.8	863.2	700
Max/Min rating change allowed	112.9	115.8	131.4	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	1469.7	1451.8	1363.2	1200
New weighted rating	1419.6	1388.8	1355.6	1200
New weighted performance	1440.8	1418.6	0	0
Temp new rating	1469.7	1451.8	1363.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1469.7	1451.8	1363.2	1200
New K-factor	32	32	36	36
New floor	969.7	951.8	863.2	700

Item	Main	Standard	Rapid
	0	0	0
	39	39	0
	38	16	22
	0	0	0
	0	0	0
	0	0	0
History	77	55	22

Games since
	Main 77	Standard 55		Rapid 22		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1512		466		241
Male	1275		388		204
U16	196		60		26
U16 Male	157		49		21
Standard
	RSA		Province		Region
Overall	1575		432		229
Male	1312		350		190
U16	219		64		27
U16 Male	176		53		22
Rapid
	RSA		Province		Region
Overall	717		372		171
Male	598		310		156
U16	107		58		24
U16 Male	83		46		21
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	39	27.5	70.51	174.4	1319.1	1493.4
Standard	39	27.5	70.51	174.4	1319.1	1493.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	77	56	72.73	193.2	1276.7	1469.9
Standard	55	40	72.73	193.2	1284.1	1477.2
Rapid	22	16	72.73	193.2	1258.4	1451.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1469.7	1451.8	1363.2	1200
2025-09-30	1469.4	1449.8	1363.2	1200
2025-09-01	1463.3	1449.2	1363.2	1200
2025-08-01	1447.7	1427.2	1363.2	1200
2025-07-01	1447.7	1427.2	1363.2	1200
2025-06-01	1414.7	1385.1	1363.2	1200
2025-05-01	1414.7	1385.1	1363.2	1200
2025-04-01	1422.5	1393	1363.2	1200
2025-03-01	1440.5	1408.5	1363.2	1200
2025-02-01	1394.6	1343	1363.2	1200
2025-01-01	1394.6	1343	1363.2	1200
2024-12-01	1394.6	1343	1363.2	1200
2024-11-01	1394.6	1343	1363.2	1200
2024-10-01	1394.6	1343	1363.2	1200
2024-09-01	1394.6	1343	1363.2	1200
2024-08-01	1394.6	1343	1363.2	1200
2024-07-01	1332.4	1269.6	1355.6	1200
2024-09-01	1332.4	1269.6	1355.6	1200
2024-05-01	1288.3	1269.6	1250.8	1200
2024-04-01	1264.8	1269.6	1200	1200
2024-03-01	1198	1195.6	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	Paarl Boys' High School Chess Festival 2025 (B)	2025-10-17	2025-10-18	Standard	Cape Winelands (WCW)	6	4	2.5	Yes	Analysis
2	Western Cape Schools - Top Schools 2025 (U17)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
3	CT Metro District East Top Schools Chess 2025 (U17)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	5	5	4.5	Yes	Analysis
4	Cape Town Chess Junior League 2025 (U18)	2025-05-10	2025-05-31	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
5	Western Cape Schools Individual Championship 2025 (U15 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
6	CT Metro Schools Individual Closed 2025 (U15 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
7	CT Metro District East Schools Chess Individuals Trials 2025 (U15 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Paarl Boys' High School Chess Festival 2025 (B)	2025-10-17	2025-10-18	Standard	Cape Winelands (WCW)	6	4	2.5	Yes	Analysis
2	Western Cape Schools - Top Schools 2025 (U17)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
3	CT Metro District East Top Schools Chess 2025 (U17)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	5	5	4.5	Yes	Analysis
4	Cape Town Chess Junior League 2025 (U18)	2025-05-10	2025-05-31	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
5	Western Cape Schools Individual Championship 2025 (U15 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
6	CT Metro Schools Individual Closed 2025 (U15 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
7	CT Metro District East Schools Chess Individuals Trials 2025 (U15 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
8	CT Metro District East Top Schools Chess 2024 (U15 Mixed)	2024-07-27	2024-07-28	Standard	Cape Town (WCT)	7	6	5.5	Yes	Analysis
9	Curro Durbanville Chess Rapid Open 2024 (Intermediate)	2024-07-13	2024-07-13	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
10	Cape Town Junior League Finals 2024 (U15 Open A)	2024-05-18	2024-05-18	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
11	Cape Town Junior League - Qualifier 2 2024 (U15)	2024-04-20	2024-04-20	Rapid	Cape Town (WCT)	6	6	5.5	Yes	Analysis
12	Cape Town Junior League Qualifier 2024 (U15 Open)	2024-04-06	2024-04-06	Rapid	Cape Town (WCT)	6	5	3.5	Yes	Analysis
13	Cape Town Open Chess Championship 2024 (Beginner)	2024-03-16	2024-03-17	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
14	CT District East Schools Chess Individuals Trails 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	4	2	Yes	Analysis

#	Games	Start				End
1	21	Tournament Western Cape Schools Individual Championship 2025				Tournament Paarl Boys' High School Chess Festival 2025
		date 2025-04-27	rnd 5	type Standard	result 0.5	date 2025-10-17	rnd 4	type Standard	result 1
		Opponent Zheng, Y (Yi)				Opponent Toefy, Z (Zaeem)
2	10	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-07-13	rnd 5	type Rapid	result 1	date 2025-02-01	rnd 2	type Standard	result 1
		Opponent Frantz, H (Haydn)				Opponent Bangani, O (Ovayo)
3	10	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-04-06	rnd 3	type Rapid	result 1	date 2024-05-18	rnd 1	type Rapid	result 1
		Opponent Rubusana, A (Anda)				Opponent Janse Van Rensburg, D (Daniel)

#	Games	Start				End
1	19	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-04-27	rnd 5	type Standard	result 0.5	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Zheng, Y (Yi)				Opponent Renecke, J (Joshua)
2	10	Tournament Cape Town Open Chess Championship 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-03-17	rnd 5	type Standard	result 1	date 2025-02-01	rnd 2	type Standard	result 1
		Opponent Mackinna, C (Cashlin)				Opponent Bangani, O (Ovayo)
3	4	Tournament CT Metro Schools Individual Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-02	rnd 5	type Standard	result 1	date 2025-04-26	rnd 2	type Standard	result 0.5
		Opponent Claassen, U (Uthan)				Opponent Matima, A (Aiden)

#	Games	Start				End
1	10	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-04-06	rnd 3	type Rapid	result 1	date 2024-05-18	rnd 1	type Rapid	result 1
		Opponent Rubusana, A (Anda)				Opponent Janse Van Rensburg, D (Daniel)
2	3	Tournament Cape Town Junior League Finals 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-05-18	rnd 5	type Rapid	result 1	date 2024-07-13	rnd 2	type Rapid	result 1
		Opponent Rule, C (Calem)				Opponent Zungu, S (Simphiwe)
3	2	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 5	type Rapid	result 1	date 2024-07-13	rnd 6	type Rapid	result 1
		Opponent Frantz, H (Haydn)				Opponent Flatela, K (Khanya)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament CT Metro District East Top Schools Chess 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Dryden, P (Paul)				Opponent Starke, J (Jesi-Jade)
2	5	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-07-28	rnd 5	type Standard	result 1	date 2025-02-01	rnd 2	type Standard	result 1
		Opponent Dantile, Y (Yonga)				Opponent Bangani, O (Ovayo)
3	5	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-06	rnd 6	type Rapid	result 1	date 2024-04-20	rnd 4	type Rapid	result 1
		Opponent Mandla, L (Luphelele)				Opponent Mandla, L (Luphelele)

#	Games	Start				End
1	5	Tournament CT Metro District East Top Schools Chess 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Dryden, P (Paul)				Opponent Starke, J (Jesi-Jade)
2	5	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-07-28	rnd 5	type Standard	result 1	date 2025-02-01	rnd 2	type Standard	result 1
		Opponent Dantile, Y (Yonga)				Opponent Bangani, O (Ovayo)
3	4	Tournament Cape Town Open Chess Championship 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-03-17	rnd 5	type Standard	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent Mackinna, C (Cashlin)				Opponent Luthi, L (Lihle)

#	Games	Start				End
1	5	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-06	rnd 6	type Rapid	result 1	date 2024-04-20	rnd 4	type Rapid	result 1
		Opponent Mandla, L (Luphelele)				Opponent Mandla, L (Luphelele)
2	3	Tournament Cape Town Junior League Finals 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-05-18	rnd 5	type Rapid	result 1	date 2024-07-13	rnd 2	type Rapid	result 1
		Opponent Rule, C (Calem)				Opponent Zungu, S (Simphiwe)
3	2	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 5	type Rapid	result 1	date 2024-07-13	rnd 6	type Rapid	result 1
		Opponent Frantz, H (Haydn)				Opponent Flatela, K (Khanya)

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	Baker ,A (Alex)	2	0.5	-212.5	1	0	-425	1	0.5	0	0	0	0
1	Baker ,A (Alex)	2	1218.9	1006.4	1	1242.4	793.9	1	1124.4	1218.9	0	0	0
2	Mandla ,L (Luphelele)	2	2	425	0	0	0	2	2	425	0	0	0
2	Mandla ,L (Luphelele)	2	1222.6	1647.6	0	0	0	2	1234.3	1647.6	0	0	0
3	Luh ,A (Ammar)	2	1	0	0	0	0	2	1	0	0	0	0
3	Luh ,A (Ammar)	2	1224.8	1224.8	0	0	0	2	1232.4	1224.8	0	0	0
4	Cornelius ,W (Wayden)	1	1	425	1	1	425	0	0	0	0	0	0
4	Cornelius ,W (Wayden)	1	1201.1	1626.1	1	1200	1626.1	0	0	0	0	0	0
5	Faure ,N (Nicolaas)	1	1	425	1	1	425	0	0	0	0	0	0
5	Faure ,N (Nicolaas)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Ziki ,M (Melvin)	1	1	425	1	1	425	0	0	0	0	0	0
6	Ziki ,M (Melvin)	1	1138.9	1563.9	1	1120	1563.9	0	0	0	0	0	0
7	Sithombo ,A (Ahlumile)	1	1	425	1	1	425	0	0	0	0	0	0
7	Sithombo ,A (Ahlumile)	1	1234.6	1659.6	1	1237.6	1659.6	0	0	0	0	0	0
8	Renecke ,J (Joshua)	1	1	425	1	1	425	0	0	0	0	0	0
8	Renecke ,J (Joshua)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Lili ,K (Konwaba)	1	1	425	1	1	425	0	0	0	0	0	0
9	Lili ,K (Konwaba)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Lombaard ,J (Jadrin)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Lombaard ,J (Jadrin)	1	1465.8	1465.8	1	1367.9	1465.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Sanderson, J (Jamie)

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