Chess South Africa Ratings Database

PLAYER PAGE

Personal

Duggan, O (Oliver)

Chess SA id

1130149118

FIDE id

Date of birth

2013-02-01 (U14)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-07-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1183.6	1200	1192	1141.2
Raw rating	1183.6	1200	1192	1141.2
Weighted rating	1183.4	1200	1192	1140.4
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.7	165.8	167.7	180.3
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 2024-03-01	1200 2019-12-01	1200 2019-12-01
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 2024-03-01	1200 2019-12-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1183.6	1200	1192	1141.2
Analysis
Rating	1183.6	1200	1192	1141.2
Raw rating	1183.6	1200	1192	1141.2
Weighted rating	1183.4	1200	1192
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	169.7	165.8	167.7	180.3
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	1183.6	1200	1192	1141.2
New weighted rating	1183.4	1200	1192	1140.5
New weighted performance	0	0	0	0
Temp new rating	1183.6	1200	1192	1141.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1183.6	1200	1192	1141.2
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid	Blitz
	0	0	0
	0	0	0
	0	0	0
	11	6	5
	0	0	0
	0	0	0
History	11	6	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	11	4	36.36	-115.9	1207.7	1091.8
Standard	0	0	0	0	0	0
Rapid	6	3	50	0	1158.9	1158.9
Blitz	5	1	20	-255	1266.2	1011.2

Date	Main	Standard	Rapid	Blitz
2025-09-30	1183.6	1200	1192	1141.2
2025-09-01	1183.6	1200	1192	1141.2
2025-08-01	1183.6	1200	1192	1141.2
2025-07-01	1183.6	1200	1192	1141.2
2025-06-01	1183.6	1200	1192	1141.2
2025-05-01	1183.6	1200	1192	1141.2
2025-04-01	1183.6	1200	1192	1141.2
2025-03-01	1183.6	1200	1192	1141.2
2025-02-01	1183.6	1200	1192	1141.2
2025-01-01	1183.2	1200	1192	1139.2
2024-12-01	1183.2	1200	1192	1139.2
2024-11-01	1183.2	1200	1192	1139.2
2024-10-01	1183.2	1200	1192	1139.2
2024-09-01	1183.2	1200	1192	1139.2
2024-08-01	1183.2	1200	1192	1139.2
2024-07-01	1183.2	1200	1192	1139.2
2024-06-01	1183.2	1200	1192	1139.2
2024-08-01	1183.2	1200	1192	1139.2
2024-04-01	1183.2	1200	1192	1139.2
2024-03-01	1183.2	1200	1192	1139.2
2024-02-01	1183.2	1200	1192	1139.2
2024-01-01	1183.2	1200	1192	1139.2
2023-12-01	1183.2	1200	1192	1139.2
2023-11-01	1183.2	1200	1192	1139.2

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	JMC - The Higher Ground Restaurant 2nd Blitz Event 2023	2023-07-30	2023-07-30	Blitz	Johannesburg Metro (GJM)	7	5	1	Yes	Analysis
2	Mzansi Rapid 2023 (Development)	2023-02-04	2023-02-04	Rapid	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 1	type Rapid	result 1	date 2023-02-04	rnd 3	type Rapid	result 1
		Opponent Whittaker, L (Lillian)				Opponent Chinoruma, M (Maka)
2	1	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 5	type Blitz	result 1	date 2023-07-30	rnd 5	type Blitz	result 1
		Opponent Koorts, L (Lukas)				Opponent Koorts, L (Lukas)
3	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 6	type Rapid	result 0.5	date 2023-02-04	rnd 6	type Rapid	result 0.5
		Opponent Wu, O (Oscar)				Opponent Wu, O (Oscar)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 1	type Rapid	result 1	date 2023-02-04	rnd 3	type Rapid	result 1
		Opponent Whittaker, L (Lillian)				Opponent Chinoruma, M (Maka)
2	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 6	type Rapid	result 0.5	date 2023-02-04	rnd 6	type Rapid	result 0.5
		Opponent Wu, O (Oscar)				Opponent Wu, O (Oscar)

#	Games	Start				End
1	1	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 5	type Blitz	result 1	date 2023-07-30	rnd 5	type Blitz	result 1
		Opponent Koorts, L (Lukas)				Opponent Koorts, L (Lukas)

#	Games	Start				End
1	1	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 5	type Blitz	result 1	date 2023-07-30	rnd 5	type Blitz	result 1
		Opponent Koorts, L (Lukas)				Opponent Koorts, L (Lukas)
2	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 3	type Rapid	result 1	date 2023-02-04	rnd 3	type Rapid	result 1
		Opponent Chinoruma, M (Maka)				Opponent Chinoruma, M (Maka)
3	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 1	type Rapid	result 1	date 2023-02-04	rnd 1	type Rapid	result 1
		Opponent Whittaker, L (Lillian)				Opponent Whittaker, L (Lillian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 3	type Rapid	result 1	date 2023-02-04	rnd 3	type Rapid	result 1
		Opponent Chinoruma, M (Maka)				Opponent Chinoruma, M (Maka)
2	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 1	type Rapid	result 1	date 2023-02-04	rnd 1	type Rapid	result 1
		Opponent Whittaker, L (Lillian)				Opponent Whittaker, L (Lillian)

#	Games	Start				End
1	1	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 5	type Blitz	result 1	date 2023-07-30	rnd 5	type Blitz	result 1
		Opponent Koorts, L (Lukas)				Opponent Koorts, L (Lukas)

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	Gokool ,N (Nishka)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Gokool ,N (Nishka)	1	1200	775	0	0	0	1	1200	775	0	0	0
2	Chinoruma ,M (Maka)	1	1	425	0	0	0	1	1	425	0	0	0
2	Chinoruma ,M (Maka)	1	996.7	1421.7	0	0	0	1	1107.2	1421.7	0	0	0
3	Thomson-Selibowitz ,R (Ryder)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Thomson-Selibowitz ,R (Ryder)	1	1156.6	731.6	0	0	0	1	1122.8	731.6	0	0	0
4	Whittaker ,L (Lillian)	1	1	425	0	0	0	1	1	425	0	0	0
4	Whittaker ,L (Lillian)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
5	Pringle ,N (Noah)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
5	Pringle ,N (Noah)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
6	Wu ,O (Oscar)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
6	Wu ,O (Oscar)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
7	Koorts ,L (Lukas)	1	1	425	0	0	0	0	0	0	1	1	425
7	Koorts ,L (Lukas)	1	1204.8	1629.8	0	0	0	0	0	0	1	1200	1629.8
8	Shaik ,M (Muhaimin)	1	0	-425	0	0	0	0	0	0	1	0	-425
8	Shaik ,M (Muhaimin)	1	1398.9	973.9	0	0	0	0	0	0	1	1200	973.9
9	Akker ,D (Dylan)	1	0	-425	0	0	0	0	0	0	1	0	-425
9	Akker ,D (Dylan)	1	1326.4	901.4	0	0	0	0	0	0	1	1200	901.4
10	Gerber ,Z (Zoe)	1	0	-425	0	0	0	0	0	0	1	0	-425
10	Gerber ,Z (Zoe)	1	1211.1	786.1	0	0	0	0	0	0	1	1143.6	786.1

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Duggan, O (Oliver)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms