Chess South Africa Ratings Database

PLAYER PAGE

Personal

Watson, S (Sean)

Chess SA id

1110137455

FIDE id

Date of birth

2011-09-12 (U16)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1457.6

Item	Main	Standard	Rapid	Blitz
Rating	1553.9	1543.5	1394.8	1200
Raw rating	1553.9	1543.5	1394.8	1200
Weighted rating	1550.9	1542.2	1389.9	1200
Weighted performance	1372	1365.8	0	0
Floor	1057.2	1045.2	894.8	700
K-factor	32	32	36	36
Min/Max rating change allowed	100.2	101.7	125.6	165.8
Highest rating	1562 2024-02-01	1561.1 2024-02-01	1518.8 2023-05-01	1200 2018-10-01
Highest raw rating	1557.2 2024-03-01	1545.2 2024-03-01	1394.8 2024-07-01	1200 2024-02-01
Highest weighted rating	1549 2025-08-01	1540.4 2025-08-01	1385.1 2025-08-01	1200 2018-10-01
Highest weighted performance	1562 2024-02-01	1561.1 2024-02-01	1518.8 2023-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1553.9	1543.5	1394.8	1200
Analysis
Rating	1553.9	1543.5	1394.8	1200
Raw rating	1553.9	1543.5	1394.8	1200
Weighted rating	1550.9	1542.2	1389.9
Weighted performance	1372	1365.8	0
K-factor	32	32	36	36
Floor	1057.2	1045.2	894.8	700
Max/Min rating change allowed	100.2	101.7	125.6	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	1553.9	1543.5	1394.8	1200
New weighted rating	1551.3	1542.5	1391.1	1200
New weighted performance	1363.1	1356.9	0	0
Temp new rating	1553.9	1543.5	1394.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1553.9	1543.5	1394.8	1200
New K-factor	32	32	36	36
New floor	1057.2	1045.2	894.8	700

Item	Main	Standard	Rapid
	0	0	0
	14	14	0
	17	5	12
	50	44	6
	18	11	7
	0	0	0
History	99	74	25

Games since
	Main 31	Standard 19		Rapid 12		Blitz 0
Gender	Male
Age group	U16
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
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	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
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	14	9	64.29	121.4	1409.1	1530.6
Standard	14	9	64.29	121.4	1409.1	1530.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	99	65.5	66.16	137.4	1317.2	1454.5
Standard	74	48.5	65.54	132.1	1311	1443.1
Rapid	25	17	68	153	1335.4	1488.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1553.9	1543.5	1394.8	1200
2025-09-30	1553.9	1543.5	1394.8	1200
2025-09-01	1553.9	1543.5	1394.8	1200
2025-08-01	1553.9	1543.5	1394.8	1200
2025-07-01	1553.9	1543.5	1394.8	1200
2025-06-01	1553.9	1543.5	1394.8	1200
2025-05-01	1553.9	1543.5	1394.8	1200
2025-04-01	1551.7	1541.2	1394.8	1200
2025-03-01	1551.7	1541.2	1394.8	1200
2025-02-01	1533.7	1523.7	1394.8	1200
2025-01-01	1549.5	1545.2	1394.8	1200
2024-12-01	1549.5	1545.2	1394.8	1200
2024-11-01	1549.5	1545.2	1394.8	1200
2024-10-01	1549.5	1545.2	1394.8	1200
2024-09-01	1549.5	1545.2	1394.8	1200
2024-08-01	1549.5	1545.2	1394.8	1200
2024-07-01	1549.5	1545.2	1394.8	1200
2024-09-01	1545.7	1545.2	1341.2	1200
2024-05-01	1545.7	1545.2	1341.2	1200
2024-04-01	1557.2	1545.2	1342.6	1200
2024-03-01	1557.2	1545.2	1342.6	1200
2024-02-01	1535.4	1514.9	1342.6	1200
2024-01-01	1535.4	1514.9	1342.6	1200
2023-12-01	1535.4	1514.9	1342.6	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	SBD Trials J Bay 19 April 2025 (U16)	2025-04-19	2025-04-19	Standard	Sarah Baartman (ESB)	5	4	2.5	Yes	Analysis
2	SBDCU Trials 3 2025 (U16)	2025-02-08	2025-02-08	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
3	2025 SBDCU Trial 2 JBay (U16)	2025-01-25	2025-01-25	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBD Trials J Bay 19 April 2025 (U16)	2025-04-19	2025-04-19	Standard	Sarah Baartman (ESB)	5	4	2.5	Yes	Analysis
2	SBDCU Trials 3 2025 (U16)	2025-02-08	2025-02-08	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
3	2025 SBDCU Trial 2 JBay (U16)	2025-01-25	2025-01-25	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
4	Aston Bay 2024 (Open)	2024-05-25	2024-05-25	Rapid	Sarah Baartman (ESB)	7	7	4.5	Yes	Analysis
5	Stulting Tournament 2024 (Senior)	2024-04-06	2024-04-06	Rapid	Sarah Baartman (ESB)	6	5	3	Yes	Analysis
6	SBDCU Open 2024 (B)	2024-02-10	2024-02-10	Standard	Sarah Baartman (ESB)	5	5	5	Yes	Analysis
7	Eastern Cape Provincial Individual Championship 2023 (U14 Boys)	2023-10-05	2023-10-05	Standard	Nelson Mandela Bay (ENM)	7	7	4	Yes	Analysis
8	Eastern Cape Chess Team Championship 2023 (U14)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	3	2.5	Yes	Analysis
9	SBDCU Closed Trials 2023 (U14 Boys)	2023-07-28	2023-07-29	Standard	Sarah Baartman (ESB)	6	6	5	Yes	Analysis
10	SBDCU Trial 3 2023 (U14)	2023-06-24	2023-06-24	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
11	Paul Sauer Chess Tournament 2023 (Senior)	2023-05-05	2023-05-05	Rapid	Sarah Baartman (ESB)	6	6	5.5	Yes	Analysis
12	SBDCU Trial 2 2023 (U14 Boys)	2023-04-01	2023-04-01	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
13	Kouga Mayor's Cup Finals 2023 (U13)	2023-04-22	2023-04-22	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
14	Kouga Mayor's Cup 2023 (U13)	2023-04-15	2023-04-15	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
15	SBDCU Trial 1 2023 (U14)	2023-03-05	2023-03-05	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
16	Bloeisel Fees 2022 (Primary School A)	2022-10-29	2022-10-29	Rapid	Sarah Baartman (ESB)	7	7	4	Yes	Analysis
17	Kouga Mayarol Cup 2022 (U11)	2022-07-23	2022-07-23	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
18	SBDCU First Fide Rated Open Tournament Fountains Mall 2022 (B)	2022-02-18	2022-02-19	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis

#	Games	Start				End
1	11	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament SBDCU Open 2024
		date 2023-10-05	rnd 5	type Standard	result 1	date 2024-02-10	rnd 5	type Standard	result 1
		Opponent Norris, N (Nathan)				Opponent Munemo, T (Tanaka)
2	10	Tournament Paul Sauer Chess Tournament 2023				Tournament SBDCU Trial 3 2023
		date 2023-05-05	rnd 1	type Rapid	result 1	date 2023-06-24	rnd 4	type Standard	result 0.5
		Opponent Ludick, AC (Anaya Cassidy)				Opponent Grove, JF (Jacques)
3	5	Tournament SBDCU Closed Trials 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-07-29	rnd 3	type Standard	result 1	date 2023-10-05	rnd 1	type Standard	result 0.5
		Opponent Petrus, L (Liam)				Opponent Clainos, S (Spiro)

#	Games	Start				End
1	11	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament SBDCU Open 2024
		date 2023-10-05	rnd 5	type Standard	result 1	date 2024-02-10	rnd 5	type Standard	result 1
		Opponent Norris, N (Nathan)				Opponent Munemo, T (Tanaka)
2	5	Tournament SBDCU Closed Trials 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-07-29	rnd 3	type Standard	result 1	date 2023-10-05	rnd 1	type Standard	result 0.5
		Opponent Petrus, L (Liam)				Opponent Clainos, S (Spiro)
3	4	Tournament 2025 SBDCU Trial 2 JBay				Tournament SBDCU Trials 3 2025
		date 2025-01-25	rnd 5	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 0.5
		Opponent Geldenhuys, A (Amelie)				Opponent Stuurman, P (Pedro)

#	Games	Start				End
1	6	Tournament Paul Sauer Chess Tournament 2023				Tournament Paul Sauer Chess Tournament 2023
		date 2023-05-05	rnd 1	type Rapid	result 1	date 2023-05-05	rnd 6	type Rapid	result 0.5
		Opponent Ludick, AC (Anaya Cassidy)				Opponent Bruton, FE (Faith Elizabeth)
2	4	Tournament Aston Bay 2024				Tournament Aston Bay 2024
		date 2024-05-25	rnd 1	type Rapid	result 0.5	date 2024-05-25	rnd 4	type Rapid	result 1
		Opponent Van Nieuwenhuizen, PB (Petrus)				Opponent Krieger, CR (Charles)
3	3	Tournament Stulting Tournament 2024				Tournament Stulting Tournament 2024
		date 2024-04-06	rnd 3	type Rapid	result 1	date 2024-04-06	rnd 5	type Rapid	result 1
		Opponent Plaatjies, F (Fredwin)				Opponent Kammies, A (Arno)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Eastern Cape Chess Team Championship 2023				Tournament SBDCU Open 2024
		date 2023-10-07	rnd 3	type Standard	result 1	date 2024-02-10	rnd 5	type Standard	result 1
		Opponent Chipunza, J (Jared)				Opponent Munemo, T (Tanaka)
2	5	Tournament Paul Sauer Chess Tournament 2023				Tournament Paul Sauer Chess Tournament 2023
		date 2023-05-05	rnd 1	type Rapid	result 1	date 2023-05-05	rnd 5	type Rapid	result 1
		Opponent Ludick, AC (Anaya Cassidy)				Opponent Hickman, H (Handro)
3	4	Tournament SBDCU Closed Trials 2023				Tournament SBDCU Closed Trials 2023
		date 2023-07-29	rnd 3	type Standard	result 1	date 2023-07-29	rnd 6	type Standard	result 1
		Opponent Petrus, L (Liam)				Opponent Bain, C (Caden)

#	Games	Start				End
1	6	Tournament Eastern Cape Chess Team Championship 2023				Tournament SBDCU Open 2024
		date 2023-10-07	rnd 3	type Standard	result 1	date 2024-02-10	rnd 5	type Standard	result 1
		Opponent Chipunza, J (Jared)				Opponent Munemo, T (Tanaka)
2	4	Tournament SBDCU Closed Trials 2023				Tournament SBDCU Closed Trials 2023
		date 2023-07-29	rnd 3	type Standard	result 1	date 2023-07-29	rnd 6	type Standard	result 1
		Opponent Petrus, L (Liam)				Opponent Bain, C (Caden)
3	4	Tournament SBDCU Trial 2 2023				Tournament Kouga Mayor's Cup 2023
		date 2023-04-01	rnd 3	type Standard	result 1	date 2023-04-15	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, H (Hannes)				Opponent Mangaliso, A (Ayakha)

#	Games	Start				End
1	5	Tournament Paul Sauer Chess Tournament 2023				Tournament Paul Sauer Chess Tournament 2023
		date 2023-05-05	rnd 1	type Rapid	result 1	date 2023-05-05	rnd 5	type Rapid	result 1
		Opponent Ludick, AC (Anaya Cassidy)				Opponent Hickman, H (Handro)
2	3	Tournament Aston Bay 2024				Tournament Aston Bay 2024
		date 2024-05-25	rnd 2	type Rapid	result 1	date 2024-05-25	rnd 4	type Rapid	result 1
		Opponent Wang, C (Chen)				Opponent Krieger, CR (Charles)
3	3	Tournament Stulting Tournament 2024				Tournament Stulting Tournament 2024
		date 2024-04-06	rnd 3	type Rapid	result 1	date 2024-04-06	rnd 5	type Rapid	result 1
		Opponent Plaatjies, F (Fredwin)				Opponent Kammies, A (Arno)

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	Moolman ,A (Anrico)	9	1.5	-283.3	7	1.5	-242.9	2	0	-425	0	0	0
1	Moolman ,A (Anrico)	9	1483.6	1200.2	7	1464.1	1240.7	2	1373.2	1058.6	0	0	0
2	Grove ,JF (Jacques Francois)	5	3.5	170	5	3.5	170	0	0	0	0	0	0
2	Grove ,JF (Jacques Francois)	5	1396.4	1566.4	5	1420	1566.4	0	0	0	0	0	0
3	Booysen ,B (Bryain-Luke Hilton)	4	2	0	4	2	0	0	0	0	0	0	0
3	Booysen ,B (Bryain-Luke Hilton)	4	1382.6	1382.6	4	1382.5	1382.6	0	0	0	0	0	0
4	Maziena ,L (Lavanya)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
4	Maziena ,L (Lavanya)	4	1347.6	1453.9	4	1314.4	1453.9	0	0	0	0	0	0
5	Handley ,C (Christopher Michael)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
5	Handley ,C (Christopher Michael)	3	1317.4	1175.7	3	1279.7	1175.7	0	0	0	0	0	0
6	Kammies ,M (Montell)	3	3	425	3	3	425	0	0	0	0	0	0
6	Kammies ,M (Montell)	3	1237.1	1662.1	3	1219	1662.1	0	0	0	0	0	0
7	Stoop ,C (Connor)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
7	Stoop ,C (Connor)	3	1293.1	1151.4	2	1278.3	1293.1	1	1317.2	868.1	0	0	0
8	Howell ,C (Conor)	2	1	0	2	1	0	0	0	0	0	0	0
8	Howell ,C (Conor)	2	1339.7	1339.7	2	1348.4	1339.7	0	0	0	0	0	0
9	Pullen ,R (Riyana)	2	1	0	2	1	0	0	0	0	0	0	0
9	Pullen ,R (Riyana)	2	1247.7	1247.7	2	1227.6	1247.7	0	0	0	0	0	0
10	Van Der Merwe ,H (Hannes)	2	2	425	2	2	425	0	0	0	0	0	0
10	Van Der Merwe ,H (Hannes)	2	1208.7	1633.7	2	1207.6	1633.7	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

Watson, S (Sean)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms