Chess South Africa Ratings Database

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Personal

Pietersen, D (Delmarco)

Chess SA id

1100138334

FIDE id

Date of birth

2010-04-20 (U16)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1200.6	1163.1	1247.1	1200
Raw rating	1200.6	1163.1	1247.1	1200
Weighted rating	1193.3	1163.1	1236.3	1200
Weighted performance	0	0	0	0
Floor	702.8	700	747.1	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.7	174.8	155	165.8
Highest rating	1202.8 2025-03-01	1200 2018-10-01	1279.6 2023-03-01	1200 2018-10-01
Highest raw rating	1202.8 2025-03-01	1200 2020-01-01	1247.1 2025-03-01	1200 2024-02-01
Highest weighted rating	1202.8 2018-10-01	1200 2018-10-01	1231.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1279.6 2023-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1200.6	1163.1	1247.1	1200
Analysis
Rating	1200.6	1163.1	1247.1	1200
Raw rating	1200.6	1163.1	1247.1	1200
Weighted rating	1193.3	1163.1	1236.3
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	702.8	700	747.1	700
Max/Min rating change allowed	165.7	174.8	155	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	1200.6	1163.1	1247.1	1200
New weighted rating	1194.2	1163.1	1237.6	1200
New weighted performance	0	0	0	0
Temp new rating	1200.6	1163.1	1247.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1200.6	1163.1	1247.1	1200
New K-factor	36	36	36	36
New floor	702.8	700	747.1	700

Item	Main	Standard	Rapid
	0	0	0
	8	3	5
	0	0	0
	11	6	5
	3	3	0
	0	0	0
History	22	12	10

Games since
	Main 8	Standard 3		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	West Coast (WCU)
Province	Western Cape (WC)
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	8	4	50	0	1283.6	1283.6
Standard	3	1	33.33	-141.7	1312.2	1170.5
Rapid	5	3	60	85	1266.4	1351.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	9	40.91	-77.3	1273	1195.7
Standard	12	3	25	-212.5	1312	1099.5
Rapid	10	6	60	85	1226.2	1311.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1200.6	1163.1	1247.1	1200
2025-09-30	1200.6	1163.1	1247.1	1200
2025-09-01	1200.6	1163.1	1247.1	1200
2025-08-01	1200.6	1163.1	1247.1	1200
2025-07-01	1200.6	1163.1	1247.1	1200
2025-06-01	1200.6	1163.1	1247.1	1200
2025-05-01	1200.6	1163.1	1247.1	1200
2025-04-01	1200.6	1162.6	1247.1	1200
2025-03-01	1202.8	1163.2	1247.1	1200
2025-02-01	1182.2	1163.2	1220	1200
2025-01-01	1182.2	1163.2	1220	1200
2024-12-01	1182.2	1163.2	1220	1200
2024-11-01	1182.2	1163.2	1220	1200
2024-10-01	1182.2	1163.2	1220	1200
2024-09-01	1182.2	1163.2	1220	1200
2024-08-01	1182.2	1163.2	1220	1200
2024-07-01	1182.2	1163.2	1220	1200
2024-09-01	1182.2	1163.2	1220	1200
2024-05-01	1182.2	1163.2	1220	1200
2024-04-01	1182.2	1163.2	1220	1200
2024-03-01	1182.2	1163.2	1220	1200
2024-02-01	1182.2	1163.2	1220	1200
2024-01-01	1182.2	1163.2	1220	1200
2023-12-01	1182.2	1163.2	1220	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	West Coast Schools Chess Prestige 2025 (U15 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	3	1	Yes	Analysis
2	Lower West Coast Prestige 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	West Coast Schools Chess Prestige 2025 (U15 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	3	1	Yes	Analysis
2	Lower West Coast Prestige 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
3	Western Cape PS Individuals 2023 (U13 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
4	Lower West Coast Primary Schools Prestige Championships 2023 (U13 Boys)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
5	West Coast Schools Prestige 2022 (U13 Boys)	2022-02-19	2022-02-19	Standard	West Coast (WCU)	6	3	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 0.5	date 2025-03-08	rnd 2	type Standard	result 0.5
		Opponent De Boer, A (Andrew)				Opponent Van Der Westhuizen, X (Xino)
2	2	Tournament Lower West Coast Prestige 2025				Tournament Lower West Coast Prestige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Matesha, J (Jameson)				Opponent Hatton, D (Dean)
3	2	Tournament Lower West Coast Primary Schools Prestige Championships 2023				Tournament Lower West Coast Primary Schools Prestige Championships 2023
		date 2023-03-04	rnd 3	type Rapid	result 1	date 2023-03-04	rnd 4	type Rapid	result 1
		Opponent Cleophas, T (Todrick)				Opponent Abdol, C (Cahlan)

#	Games	Start				End
1	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 0.5	date 2025-03-08	rnd 2	type Standard	result 0.5
		Opponent De Boer, A (Andrew)				Opponent Van Der Westhuizen, X (Xino)
2	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-05	rnd 3	type Standard	result 1	date 2023-05-05	rnd 3	type Standard	result 1
		Opponent Goosen, R (Ruan)				Opponent Goosen, R (Ruan)
3	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-05	rnd 1	type Standard	result 1	date 2023-05-05	rnd 1	type Standard	result 1
		Opponent Erasmus, A (Austin)				Opponent Erasmus, A (Austin)

#	Games	Start				End
1	2	Tournament Lower West Coast Prestige 2025				Tournament Lower West Coast Prestige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Matesha, J (Jameson)				Opponent Hatton, D (Dean)
2	2	Tournament Lower West Coast Primary Schools Prestige Championships 2023				Tournament Lower West Coast Primary Schools Prestige Championships 2023
		date 2023-03-04	rnd 3	type Rapid	result 1	date 2023-03-04	rnd 4	type Rapid	result 1
		Opponent Cleophas, T (Todrick)				Opponent Abdol, C (Cahlan)
3	1	Tournament Lower West Coast Prestige 2025				Tournament Lower West Coast Prestige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Valentyn, G (Gert)				Opponent Valentyn, G (Gert)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Lower West Coast Prestige 2025				Tournament Lower West Coast Prestige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Matesha, J (Jameson)				Opponent Hatton, D (Dean)
2	2	Tournament Lower West Coast Primary Schools Prestige Championships 2023				Tournament Lower West Coast Primary Schools Prestige Championships 2023
		date 2023-03-04	rnd 3	type Rapid	result 1	date 2023-03-04	rnd 4	type Rapid	result 1
		Opponent Cleophas, T (Todrick)				Opponent Abdol, C (Cahlan)
3	1	Tournament Lower West Coast Prestige 2025				Tournament Lower West Coast Prestige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Valentyn, G (Gert)				Opponent Valentyn, G (Gert)

#	Games	Start				End
1	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-05	rnd 3	type Standard	result 1	date 2023-05-05	rnd 3	type Standard	result 1
		Opponent Goosen, R (Ruan)				Opponent Goosen, R (Ruan)
2	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-05	rnd 1	type Standard	result 1	date 2023-05-05	rnd 1	type Standard	result 1
		Opponent Erasmus, A (Austin)				Opponent Erasmus, A (Austin)

#	Games	Start				End
1	2	Tournament Lower West Coast Prestige 2025				Tournament Lower West Coast Prestige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Matesha, J (Jameson)				Opponent Hatton, D (Dean)
2	2	Tournament Lower West Coast Primary Schools Prestige Championships 2023				Tournament Lower West Coast Primary Schools Prestige Championships 2023
		date 2023-03-04	rnd 3	type Rapid	result 1	date 2023-03-04	rnd 4	type Rapid	result 1
		Opponent Cleophas, T (Todrick)				Opponent Abdol, C (Cahlan)
3	1	Tournament Lower West Coast Prestige 2025				Tournament Lower West Coast Prestige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Valentyn, G (Gert)				Opponent Valentyn, G (Gert)

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	Stoffberg ,M (Mikaeel)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Stoffberg ,M (Mikaeel)	1	1348.1	923.1	1	1282.3	923.1	0	0	0	0	0	0
2	Van Der Westhuizen ,X (Xino)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Van Der Westhuizen ,X (Xino)	1	1196.6	1196.6	1	1129.4	1196.6	0	0	0	0	0	0
3	Hendricks ,L (Leanzo)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Hendricks ,L (Leanzo)	1	1200	775	1	1200	775	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	1396.8	971.8	1	1398.4	971.8	0	0	0	0	0	0
5	Wearing ,G (Garth)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Wearing ,G (Garth)	1	1186.8	761.8	1	1200	761.8	0	0	0	0	0	0
6	Erasmus ,A (Austin)	1	1	425	1	1	425	0	0	0	0	0	0
6	Erasmus ,A (Austin)	1	1313.1	1738.1	1	1271.2	1738.1	0	0	0	0	0	0
7	De Boer ,A (Andrew)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	De Boer ,A (Andrew)	1	1392	1392	1	1291.1	1392	0	0	0	0	0	0
8	David ,Z (Zhu)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	David ,Z (Zhu)	1	1266.1	841.1	1	1279.2	841.1	0	0	0	0	0	0
9	Milhomem ,L (Lucas)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Milhomem ,L (Lucas)	1	1463.4	1038.4	1	1446.2	1038.4	0	0	0	0	0	0
10	Liebenberg ,A (Ayron-Lee)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Liebenberg ,A (Ayron-Lee)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Pietersen, D (Delmarco)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms