Chess South Africa Ratings Database

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Personal

Botha, S (Simeon)

Chess SA id

1070110749

FIDE id

Date of birth

2007-08-16 (U20)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-27

Personal details last changed

1900-01-01

Junior GPX Games

21.9

Junior GPX Points

1138.3

Item	Main	Standard	Rapid	Blitz
Rating	1280.9	1225.5	1260.2	1199.3
Raw rating	1280.9	1225.5	1260.2	1199.3
Weighted rating	1249.6	1200.9	1239.1	1199.2
Weighted performance	1183.1	1066.3	1173.1	0
Floor	787.5	725.5	814.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	147.8	159.9	152.2	166
Highest rating	1287.5 2025-04-01	1225.5 2025-05-05	1375.1 2020-01-01	1245.6 2024-04-01
Highest raw rating	1287.5 2025-04-01	1225.5 2025-05-05	1314.4 2025-03-01	1200 2024-02-01
Highest weighted rating	1287.5 2024-02-01	1225.5 2024-02-01	1314.4 2024-02-01	1200 2018-10-01
Highest weighted performance	1273.6 2025-04-01	1200 2018-02-01	1375.1 2020-01-01	1245.6 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1280.9	1225.5	1260.2	1199.3
Analysis
Rating	1280.9	1225.5	1260.2	1199.3
Raw rating	1280.9	1225.5	1260.2	1199.3
Weighted rating	1249.6	1200.9	1239.1
Weighted performance	1183.1	1066.3	1173.1
K-factor	36	36	36	36
Floor	787.5	725.5	814.4	700
Max/Min rating change allowed	147.8	159.9	152.2	166
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	1280.9	1225.5	1260.2	1199.3
New weighted rating	1253.2	1203.2	1241.4	1199.2
New weighted performance	1182.6	1065.9	1172.7	0
Temp new rating	1280.9	1225.5	1260.2	1199.3
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1280.9	1225.5	1260.2	1199.3
New K-factor	36	36	36	36
New floor	787.5	725.5	814.4	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	35	10	25	0
	32	9	16	7
	0	0	0	0
	0	0	0	0
	10	5	5	0
History	112	54	51	7

Games since
	Main 67	Standard 19		Rapid 41		Blitz 7
Gender	Male
Age group	U20
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3368		1100		95
Male	2629		800		63
U20	250		90		7
U20 Male	199		76		7
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1266		643		81
Male	1023		503		56
U20	83		44		5
U20 Male	72		40		5
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	35	19	54.29	36.4	1281.5	1317.9
Standard	10	5	50	0	1336.1	1336.1
Rapid	25	14	56	51	1259.7	1310.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	112	58.5	52.23	19	1221.5	1240.5
Standard	54	26.5	49.07	-7.9	1197.1	1189.2
Rapid	51	28.5	55.88	50	1216.4	1266.4
Blitz	7	3.5	50	0	1446.8	1446.8

Date	Main	Standard	Rapid	Blitz
2025-09-30	1280.9	1225.5	1260.2	1199.3
2025-09-01	1280.9	1225.5	1260.2	1199.3
2025-08-01	1280.9	1225.5	1260.2	1199.3
2025-07-01	1280.9	1225.5	1260.2	1199.3
2025-06-01	1280.9	1225.5	1260.2	1199.3
2025-05-01	1280.9	1225.5	1260.2	1199.3
2025-04-01	1287.5	1193.8	1314.4	1199.3
2025-03-01	1287.1	1187.2	1314.4	1199.3
2025-02-01	1213.9	1187.2	1208.8	1199.3
2025-01-01	1212.9	1181.1	1189.3	1198.9
2024-12-01	1212.9	1181.1	1189.3	1198.9
2024-11-01	1212.9	1181.1	1189.3	1198.9
2024-10-01	1212.9	1181.1	1189.3	1198.9
2024-09-01	1212.9	1181.1	1189.3	1198.9
2024-08-01	1212.9	1181.1	1189.3	1198.9
2024-07-01	1194.7	1154.8	1189.3	1198.9
2024-06-01	1194.7	1154.8	1189.3	1198.9
2024-08-01	1194.7	1154.8	1189.3	1198.9
2024-04-01	1180.8	1154.8	1235.7	1200
2024-03-01	1227.4	1219.2	1235.7	1200
2024-02-01	1231.1	1219.2	1248.3	1200
2024-01-01	1231.1	1219.2	1248.3	1200
2023-12-01	1231.1	1219.2	1248.3	1200
2023-11-01	1231.1	1219.2	1248.3	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 Individual Championship 2025 (U19 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
2	Hermanus Chess Club Open 2025 (Development)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	3	Yes	Analysis
3	Overberg Schools - HS Closed 2025 (U19 Boys)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
4	Overberg Schools - HS Trials 2025 (U19 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
5	Curro Hermanus Summer Open 2025 (U17+U19)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (Open)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U19 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
2	Hermanus Chess Club Open 2025 (Development)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	3	Yes	Analysis
3	Overberg Schools - HS Closed 2025 (U19 Boys)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
4	Overberg Schools - HS Trials 2025 (U19 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
5	Curro Hermanus Summer Open 2025 (U17+U19)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (Open)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
7	Overberg Schools - Top Schools 2024 (U18 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
8	Curro Hermanus Freedom Day Rapid 2024 (U17)	2024-04-27	2024-04-27	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
9	Hermanus Chess Club Open 2024 (Intermediate)	2024-04-20	2024-04-20	Rapid	Overberg (WOS)	7	7	2	Yes	Analysis
10	Hermanus Chess Club Open 2024 (Blitz)	2024-04-19	2024-04-19	Blitz	Overberg (WOS)	7	7	3.5	Yes	Analysis
11	Overberg High Schools Trails 2024 (U18 Boys)	2024-03-02	2024-03-02	Standard	Overberg (WOS)	5	4	0.5	Yes	Analysis
12	Overberg High Schools Trails 2024 (U18)	2024-02-24	2024-02-24	Rapid	Overberg (WOS)	5	4	3	Yes	Analysis
13	Overberg Schools Trials 2021 (U15+U18 Boys)	2021-09-18	2021-09-18	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
14	Kleinmond Open 2021 (U16)	2021-04-17	2021-04-17	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
15	Overberg Closed 2020 (U13 Boys)	2020-03-15	2020-03-15	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
16	OCF Open 2020 (U14)	2020-01-25	2020-01-25	Rapid	Overberg (WOS)	5	5	3.5	Yes	Analysis
17	Western Cape Top Schools 2019 (U13 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
18	Overberg Top Schools 2019 (U13)	2019-07-20	2019-07-20	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
19	Trial 2 Teddy/Toy Tournament 2019 (U14)	2019-04-06	2019-04-06	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
20	Overberg School Chess Close Champs 2019 (U13 Boys)	2019-03-08	2019-03-09	Standard	Overberg (WOS)	6	6	1.5	Yes	Analysis
21	Overberg School Chess Close Champs 2019 (U13 Girls)	2019-03-08	2019-03-09	Standard	Overberg (WOS)	6	0	0	No	Analysis
22	Overberg First Trial 2019 (U14)	2019-02-23	2019-02-23	Standard	Overberg (WOS)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Western Cape Top Schools 2019				Tournament OCF Open 2020
		date 2019-09-01	rnd 5	type Standard	result 1	date 2020-01-25	rnd 4	type Rapid	result 1
		Opponent Snijders, E (Emma)				Opponent Van Der Merwe, J (Jan Hendrik)
2	3	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-26	rnd 4	type Standard	result 1	date 2025-04-27	rnd 6	type Standard	result 1
		Opponent Bell, N (Neyo)				Opponent Hausiku, M (Marco)
3	3	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-08	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Siweni, A (Alungile)				Opponent Kruger, H (Handre)

#	Games	Start				End
1	4	Tournament Western Cape Top Schools 2019				Tournament Overberg Closed 2020
		date 2019-09-01	rnd 5	type Standard	result 1	date 2020-03-15	rnd 3	type Standard	result 1
		Opponent Snijders, E (Emma)				Opponent Manho, A (Alvarno)
2	3	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-26	rnd 4	type Standard	result 1	date 2025-04-27	rnd 6	type Standard	result 1
		Opponent Bell, N (Neyo)				Opponent Hausiku, M (Marco)
3	3	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - HS Closed 2025
		date 2024-07-27	rnd 4	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Swartz, M (Micah)				Opponent Farah, T (Teague)

#	Games	Start				End
1	4	Tournament OCF Open 2020				Tournament OCF Open 2020
		date 2020-01-25	rnd 1	type Rapid	result 1	date 2020-01-25	rnd 4	type Rapid	result 1
		Opponent Mushohwe, L (Lee Ann)				Opponent Van Der Merwe, J (Jan Hendrik)
2	3	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-08	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Siweni, A (Alungile)				Opponent Kruger, H (Handre)
3	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 3	type Rapid	result 1	date 2025-02-01	rnd 5	type Rapid	result 0.5
		Opponent Xamsana, A (Asive)				Opponent De Villiers, D (Dawid)

#	Games	Start				End
1	2	Tournament Hermanus Chess Club Open 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-04-19	rnd 2	type Blitz	result 1	date 2024-04-19	rnd 3	type Blitz	result 1
		Opponent Malone, N (Nikki)				Opponent Beveridge, TG (Talitha)
2	1	Tournament Hermanus Chess Club Open 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-04-19	rnd 7	type Blitz	result 1	date 2024-04-19	rnd 7	type Blitz	result 1
		Opponent Stern, M (Mason)				Opponent Stern, M (Mason)
3	1	Tournament Hermanus Chess Club Open 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-04-19	rnd 5	type Blitz	result 0.5	date 2024-04-19	rnd 5	type Blitz	result 0.5
		Opponent Laubscher, E (Erick)				Opponent Laubscher, E (Erick)

#	Games	Start				End
1	3	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-26	rnd 4	type Standard	result 1	date 2025-04-27	rnd 6	type Standard	result 1
		Opponent Bell, N (Neyo)				Opponent Hausiku, M (Marco)
2	3	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-08	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Siweni, A (Alungile)				Opponent Kruger, H (Handre)
3	3	Tournament Curro Hermanus Freedom Day Rapid 2024				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2024-04-27	rnd 2	type Rapid	result 1	date 2024-04-27	rnd 4	type Rapid	result 1
		Opponent Lucas, L (Liam)				Opponent Mfundisi, M (Mlibo)

#	Games	Start				End
1	3	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-26	rnd 4	type Standard	result 1	date 2025-04-27	rnd 6	type Standard	result 1
		Opponent Bell, N (Neyo)				Opponent Hausiku, M (Marco)
2	3	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - HS Closed 2025
		date 2024-07-27	rnd 4	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Swartz, M (Micah)				Opponent Farah, T (Teague)
3	2	Tournament Overberg Closed 2020				Tournament Kleinmond Open 2021
		date 2020-03-15	rnd 5	type Standard	result 1	date 2021-04-17	rnd 1	type Standard	result 1
		Opponent Mfundisi, M (Mlibo)				Opponent Massyn, M (Mikalya)

#	Games	Start				End
1	3	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-08	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Siweni, A (Alungile)				Opponent Kruger, H (Handre)
2	3	Tournament Curro Hermanus Freedom Day Rapid 2024				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2024-04-27	rnd 2	type Rapid	result 1	date 2024-04-27	rnd 4	type Rapid	result 1
		Opponent Lucas, L (Liam)				Opponent Mfundisi, M (Mlibo)
3	3	Tournament Overberg High Schools Trails 2024				Tournament Overberg High Schools Trails 2024
		date 2024-02-24	rnd 3	type Rapid	result 1	date 2024-02-24	rnd 5	type Rapid	result 1
		Opponent Cupido, S (Shade)				Opponent Davel, M (Migael)

#	Games	Start				End
1	2	Tournament Hermanus Chess Club Open 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-04-19	rnd 2	type Blitz	result 1	date 2024-04-19	rnd 3	type Blitz	result 1
		Opponent Malone, N (Nikki)				Opponent Beveridge, TG (Talitha)
2	1	Tournament Hermanus Chess Club Open 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-04-19	rnd 7	type Blitz	result 1	date 2024-04-19	rnd 7	type Blitz	result 1
		Opponent Stern, M (Mason)				Opponent Stern, M (Mason)

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)	3	2	141.7	2	1	0	1	1	425	0	0	0
1	Mfundisi ,M (Mlibo)	3	1256.7	1398.4	2	1217.8	1256.7	1	1191.9	1681.7	0	0	0
2	Oosthuizen ,C (Carla)	3	1.5	0	2	1	0	1	0.5	0	0	0	0
2	Oosthuizen ,C (Carla)	3	1163.6	1163.6	2	1170.8	1163.6	1	1200	1163.6	0	0	0
3	Laubscher ,E (Erick)	3	1.5	0	1	0	-425	1	1	425	1	0.5	0
3	Laubscher ,E (Erick)	3	1287.9	1287.9	1	1271.9	862.9	1	1319.9	1712.9	1	1200	1287.9
4	Willemse ,B (Bevan)	2	1	0	2	1	0	0	0	0	0	0	0
4	Willemse ,B (Bevan)	2	1190.7	1190.7	2	1189.2	1190.7	0	0	0	0	0	0
5	Higham ,E (Ethan)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Higham ,E (Ethan)	2	1339.6	914.6	2	1328.2	914.6	0	0	0	0	0	0
6	Jayiya ,L (Lihle)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
6	Jayiya ,L (Lihle)	2	1278.2	1065.8	2	1216.4	1065.8	0	0	0	0	0	0
7	Massyn ,M (Mikalya)	2	2	425	2	2	425	0	0	0	0	0	0
7	Massyn ,M (Mikalya)	2	1146.8	1571.8	2	1142.2	1571.8	0	0	0	0	0	0
8	Fourie ,T (Tristan)	2	1	0	2	1	0	0	0	0	0	0	0
8	Fourie ,T (Tristan)	2	919.2	919.2	2	906	919.2	0	0	0	0	0	0
9	Jonas ,SG (Sue-Win Gurshlin)	2	0	-425	1	0	-425	1	0	-425	0	0	0
9	Jonas ,SG (Sue-Win Gurshlin)	2	1282	857	1	1217.2	857	1	1333.6	857	0	0	0
10	Breedt ,D (Dylan)	2	1	0	0	0	0	2	1	0	0	0	0
10	Breedt ,D (Dylan)	2	1200	1200	0	0	0	2	1200	1200	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Botha, S (Simeon)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms