Chess South Africa Ratings Database

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Personal

Chetty, D (Duke)

Chess SA id

1150154608

FIDE id

Date of birth

2015-07-16 (U12)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1211.1	1200	1237.7	1200
Raw rating	1211.1	1200	1237.7	1200
Weighted rating	1210.6	1200	1231.6	1200
Weighted performance	1020.9	0	1106.1	0
Floor	716.2	700	745.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.2	165.8	157.1	165.8
Highest rating	1216.2 2024-06-01	1200 2018-10-01	1261.5 2024-05-01	1200 2018-10-01
Highest raw rating	1216.2 2024-06-01	1200 2024-02-01	1245.7 2024-06-01	1200 2024-02-01
Highest weighted rating	1209.5 2025-09-01	1200 2018-10-01	1228.3 2025-09-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2024-02-01	1261.5 2024-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1211.1	1200	1237.7	1200
Analysis
Rating	1211.1	1200	1237.7	1200
Raw rating	1211.1	1200	1237.7	1200
Weighted rating	1210.6	1200	1231.6
Weighted performance	1020.9	0	1106.1
K-factor	36	36	36	36
Floor	716.2	700	745.7	700
Max/Min rating change allowed	163.2	165.8	157.1	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	1211.1	1200	1237.7	1200
New weighted rating	1211.1	1200	1232.9	1200
New weighted performance	1014.1	0	1098.7	0
Temp new rating	1211.1	1200	1237.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1211.1	1200	1237.7	1200
New K-factor	36	36	36	36
New floor	716.2	700	745.7	700

Item	Main	Rapid
	0	0
	4	4
	20	20
	5	5
	0	0
	0	0
History	29	29

Games since
	Main 24	Standard 0		Rapid 24		Blitz 0
Gender	Male
Age group	U12
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1441		714		173
Male	1133		550		123
U12	269		147		38
U12 Male	199		101		19
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	4	2	50	0	1212.5	1212.5
Standard	0	0	0	0	0	0
Rapid	4	2	50	0	1212.5	1212.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	29	15	51.72	14.7	1200.1	1214.7
Standard	0	0	0	0	0	0
Rapid	29	15	51.72	14.7	1200.1	1214.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1211.1	1200	1237.7	1200
2025-09-30	1211.1	1200	1237.7	1200
2025-09-01	1211.1	1200	1237.7	1200
2025-08-01	1213	1200	1234.2	1200
2025-07-01	1213	1200	1234.2	1200
2025-06-01	1213	1200	1234.2	1200
2025-05-01	1213	1200	1234.2	1200
2025-04-01	1213	1200	1234.2	1200
2025-03-01	1213	1200	1234.2	1200
2025-02-01	1213	1200	1234.2	1200
2025-01-01	1213	1200	1234.2	1200
2024-12-01	1213	1200	1234.2	1200
2024-11-01	1213	1200	1234.2	1200
2024-10-01	1213	1200	1234.2	1200
2024-09-01	1213	1200	1234.2	1200
2024-08-01	1216.2	1200	1245.7	1200
2024-07-01	1216.2	1200	1245.7	1200
2024-09-01	1216.2	1200	1245.7	1200
2024-05-01	1174.1	1200	1163.3	1200
2024-04-01	1174.1	1200	1163.3	1200
2024-03-01	1195.9	1200	1196.4	1200
2024-02-01	1185.7	1200	1174.1	1200
2024-01-01	1185.7	1200	1174.1	1200
2023-12-01	1185.7	1200	1174.1	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	Pedro Booyse Top Schools 2025 (U11)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Pedro Booyse Top Schools 2025 (U11)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
2	Pedro Booyse Top Schools Championships 2024 (U7+U9)	2024-07-20	2024-07-20	Rapid	West Coast (WCU)	7	6	3	Yes	Analysis
3	Lower West Top Schools 2024 (U9+U11)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
4	West Coast Schools Chess Prestige Championships 2024 (U9 Boys)	2024-03-09	2024-03-09	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
5	Lower West Coast Schools Chess Prestige 2024 (U9 Boys)	2024-02-17	2024-02-17	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
6	West Coast Schools Development Championships 2023 (U9 Boys)	2023-04-22	2023-04-22	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Lower West Top Schools 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-07-20	rnd 2	type Rapid	result 1
		Opponent De Bruin, C (Charl)				Opponent Afrika, C (Cheslyn)
2	2	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Warner, A (Amalia)				Opponent Blaauw, C (Charne)
3	2	Tournament Lower West Coast Schools Chess Prestige 2024				Tournament Lower West Coast Schools Chess Prestige 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 1
		Opponent Van Der Berg, A (Anroux)				Opponent Van Schalkwyk, R (Ryan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Lower West Top Schools 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-07-20	rnd 2	type Rapid	result 1
		Opponent De Bruin, C (Charl)				Opponent Afrika, C (Cheslyn)
2	2	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Warner, A (Amalia)				Opponent Blaauw, C (Charne)
3	2	Tournament Lower West Coast Schools Chess Prestige 2024				Tournament Lower West Coast Schools Chess Prestige 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 1
		Opponent Van Der Berg, A (Anroux)				Opponent Van Schalkwyk, R (Ryan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Lower West Top Schools 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-07-20	rnd 2	type Rapid	result 1
		Opponent De Bruin, C (Charl)				Opponent Afrika, C (Cheslyn)
2	2	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Warner, A (Amalia)				Opponent Blaauw, C (Charne)
3	2	Tournament Lower West Coast Schools Chess Prestige 2024				Tournament Lower West Coast Schools Chess Prestige 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 1
		Opponent Van Der Berg, A (Anroux)				Opponent Van Schalkwyk, R (Ryan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Lower West Top Schools 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-07-20	rnd 2	type Rapid	result 1
		Opponent De Bruin, C (Charl)				Opponent Afrika, C (Cheslyn)
2	2	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Warner, A (Amalia)				Opponent Blaauw, C (Charne)
3	2	Tournament Lower West Coast Schools Chess Prestige 2024				Tournament Lower West Coast Schools Chess Prestige 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 1
		Opponent Van Der Berg, A (Anroux)				Opponent Van Schalkwyk, R (Ryan)

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	Williams ,T (Tyler)	1	1	425	0	0	0	1	1	425	0	0	0
1	Williams ,T (Tyler)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
2	Koopman ,L (Leo-Arlin)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Koopman ,L (Leo-Arlin)	1	1221.6	796.6	0	0	0	1	1243.2	796.6	0	0	0
3	Warner ,A (Amalia)	1	1	425	0	0	0	1	1	425	0	0	0
3	Warner ,A (Amalia)	1	1110.3	1535.3	0	0	0	1	1124.3	1535.3	0	0	0
4	Jonas ,C (Chanrick)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Jonas ,C (Chanrick)	1	1153.2	728.2	0	0	0	1	1128.8	728.2	0	0	0
5	April ,W (Weston)	1	1	425	0	0	0	1	1	425	0	0	0
5	April ,W (Weston)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
6	Van Schalkwyk ,R (Ryan)	1	1	425	0	0	0	1	1	425	0	0	0
6	Van Schalkwyk ,R (Ryan)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	De Bruin ,C (Charl)	1	1	425	0	0	0	1	1	425	0	0	0
7	De Bruin ,C (Charl)	1	1190.4	1615.4	0	0	0	1	1187.6	1615.4	0	0	0
8	Blaauw ,C (Charne)	1	1	425	0	0	0	1	1	425	0	0	0
8	Blaauw ,C (Charne)	1	1218.3	1643.3	0	0	0	1	1311.8	1643.3	0	0	0
9	Flink ,J (Jay Ton)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Flink ,J (Jay Ton)	1	1203.1	778.1	0	0	0	1	1208	778.1	0	0	0
10	Bester ,N (Neyma)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Bester ,N (Neyma)	1	1169.6	744.6	0	0	0	1	1151.5	744.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Chetty, D (Duke)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms