Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, D (Dustin)

Chess SA id

1120149913

FIDE id

Date of birth

2012-06-16 (U14)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1155	1149.8	1200	1200
Raw rating	1154.8	1149.5	1200	1200
Weighted rating	1155	1149.8	1200	1200
Weighted performance	892.7	893	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	176.8	178.2	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0	0	0	0
New rating	1155	1149.8	1200	1200
Analysis
Rating	1155	1149.8	1200	1200
Raw rating	1154.8	1149.5	1200	1200
Weighted rating	1155	1149.8	1200
Weighted performance	892.7	893	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	176.8	178.2	165.8	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	1154.8	1149.5	1200	1200
New weighted rating	1155	1149.8	1200	1200
New weighted performance	892.4	892.7	0	0
Temp new rating	1155	1149.8	1200	1200
Temp new rating +/-	-0	0	0	0
Final new rating +/-	-0	0	0	0
New rating	1155	1149.8	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	15	15
	10	10
	0	0
	0	0
History	25	25

Games since
	Main 15	Standard 15		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	8.5	34	-136	1258.7	1122.7
Standard	25	8.5	34	-136	1258.7	1122.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1154.8	1149.5	1200	1200
2025-09-01	1154.8	1149.5	1200	1200
2025-08-01	1154.8	1149.5	1200	1200
2025-07-01	1154.7	1149.2	1200	1200
2025-06-01	1154.5	1148.9	1200	1200
2025-05-01	1154.2	1148.6	1200	1200
2025-04-01	1154	1148.2	1200	1200
2025-03-01	1153.7	1147.7	1200	1200
2025-02-01	1153	1146.9	1200	1200
2025-01-01	1148.2	1142.8	1200	1200
2024-12-01	1148.2	1142.8	1200	1200
2024-11-01	1148.2	1142.8	1200	1200
2024-10-01	1148.2	1142.8	1200	1200
2024-09-01	1148.2	1142.8	1200	1200
2024-08-01	1148.2	1142.8	1200	1200
2024-07-01	1177.4	1176.8	1200	1200
2024-06-01	1177.4	1176.8	1200	1200
2024-08-01	1177.4	1176.8	1200	1200
2024-04-01	1177.4	1176.8	1200	1200
2024-03-01	1177.4	1176.8	1200	1200
2024-02-01	1138.6	1126	1200	1200
2024-01-01	1138.6	1126	1200	1200
2023-12-01	1138.6	1126	1200	1200
2023-11-01	1138.6	1126	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	George Primary Top Schools 2024 (U13)	2024-07-20	2024-07-20	Standard	Eden (WEG)	5	5	1	Yes	Analysis
2	George Schools Trials 3 2024 (U13 Boys)	2024-03-02	2024-03-02	Standard	Eden (WEG)	5	0	0	No	Analysis
3	George Schools Trials 2 2024 (U13 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
4	George Schools Trials 1 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	George Chess Trials 3 2023 (U11 Boys)	2023-02-25	2023-02-25	Standard	Eden (WEG)	5	5	1	Yes	Analysis
6	George Chess Trials 2 2023 (U11 Boys)	2023-02-11	2023-02-11	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament George Schools Trials 2 2024				Tournament George Schools Trials 2 2024
		date 2024-02-17	rnd 2	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Marriott Watson, T (Takaro)				Opponent Stander, L (Louis)
2	2	Tournament George Chess Trials 2 2023				Tournament George Chess Trials 2 2023
		date 2023-02-11	rnd 4	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Mccabe, B (Bernard)				Opponent Van Den Berg, C (Cayden)
3	1	Tournament George Primary Top Schools 2024				Tournament George Primary Top Schools 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 2	type Standard	result 1
		Opponent Coertze, D (Dane)				Opponent Coertze, D (Dane)

#	Games	Start				End
1	3	Tournament George Schools Trials 2 2024				Tournament George Schools Trials 2 2024
		date 2024-02-17	rnd 2	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Marriott Watson, T (Takaro)				Opponent Stander, L (Louis)
2	2	Tournament George Chess Trials 2 2023				Tournament George Chess Trials 2 2023
		date 2023-02-11	rnd 4	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Mccabe, B (Bernard)				Opponent Van Den Berg, C (Cayden)
3	1	Tournament George Primary Top Schools 2024				Tournament George Primary Top Schools 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 2	type Standard	result 1
		Opponent Coertze, D (Dane)				Opponent Coertze, D (Dane)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament George Chess Trials 2 2023				Tournament George Chess Trials 2 2023
		date 2023-02-11	rnd 4	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Mccabe, B (Bernard)				Opponent Van Den Berg, C (Cayden)
2	1	Tournament George Primary Top Schools 2024				Tournament George Primary Top Schools 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 2	type Standard	result 1
		Opponent Coertze, D (Dane)				Opponent Coertze, D (Dane)
3	1	Tournament George Schools Trials 2 2024				Tournament George Schools Trials 2 2024
		date 2024-02-17	rnd 4	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Stander, L (Louis)				Opponent Stander, L (Louis)

#	Games	Start				End
1	2	Tournament George Chess Trials 2 2023				Tournament George Chess Trials 2 2023
		date 2023-02-11	rnd 4	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Mccabe, B (Bernard)				Opponent Van Den Berg, C (Cayden)
2	1	Tournament George Primary Top Schools 2024				Tournament George Primary Top Schools 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 2	type Standard	result 1
		Opponent Coertze, D (Dane)				Opponent Coertze, D (Dane)
3	1	Tournament George Schools Trials 2 2024				Tournament George Schools Trials 2 2024
		date 2024-02-17	rnd 4	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Stander, L (Louis)				Opponent Stander, L (Louis)

No games found.

#	Games	Start				End

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	Meyer ,D (Divan)	1	1	425	1	1	425	0	0	0	0	0	0
1	Meyer ,D (Divan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Prins ,E (Eddie)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Prins ,E (Eddie)	1	1452	1027	1	1481.3	1027	0	0	0	0	0	0
3	Coertze ,D (Dane)	1	1	425	1	1	425	0	0	0	0	0	0
3	Coertze ,D (Dane)	1	1115.8	1540.8	1	1123.6	1540.8	0	0	0	0	0	0
4	Da Silva ,D (Darren)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Da Silva ,D (Darren)	1	1356.2	931.2	1	1302.5	931.2	0	0	0	0	0	0
5	Marner ,B (Bryan Neil)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Marner ,B (Bryan Neil)	1	1206	781	1	1206.2	781	0	0	0	0	0	0
6	Stander ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Stander ,C (Christiaan)	1	1170.2	745.2	1	1168.4	745.2	0	0	0	0	0	0
7	Oberholzer ,F (Fc)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Oberholzer ,F (Fc)	1	1318.3	893.3	1	1324.7	893.3	0	0	0	0	0	0
8	Wildren ,R (Roelf)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Wildren ,R (Roelf)	1	1219.6	794.6	1	1224.8	794.6	0	0	0	0	0	0
9	Fredericks ,R (Reuel)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Fredericks ,R (Reuel)	1	1475.6	1050.6	1	1494.1	1050.6	0	0	0	0	0	0
10	Tamboer ,K (Kurt-Lee)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Tamboer ,K (Kurt-Lee)	1	1199.1	1199.1	1	1204.5	1199.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Botha, D (Dustin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms