Chess South Africa Ratings Database

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Personal

Pietersen, D (Dezario)

Chess SA id

1150316723

FIDE id

Date of birth

2015-09-21 (U12)

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	1261.7	1252.6	1221.3	1200
Raw rating	1261.7	1252.6	1221.3	1200
Weighted rating	1230.9	1225.8	1211.6	1200
Weighted performance	0	0	0	0
Floor	761.7	752.6	721.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.9	153.9	160.9	165.8
Highest rating	1261.7 2025-04-01	1252.6 2025-04-01	1221.3 2025-03-01	1200 2025-03-01
Highest raw rating	1261.7 2025-04-01	1252.6 2025-04-01	1221.3 2025-03-01	1200 2025-03-01
Highest weighted rating	1223.3 2025-08-01	1219.3 2025-08-01	1209.1 2025-08-01	1200 2025-03-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1261.7	1252.6	1221.3	1200
Analysis
Rating	1261.7	1252.6	1221.3	1200
Raw rating	1261.7	1252.6	1221.3	1200
Weighted rating	1230.9	1225.8	1211.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	761.7	752.6	721.3	700
Max/Min rating change allowed	151.9	153.9	160.9	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	1261.7	1252.6	1221.3	1200
New weighted rating	1234.3	1228.7	1212.8	1200
New weighted performance	0	0	0	0
Temp new rating	1261.7	1252.6	1221.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1261.7	1252.6	1221.3	1200
New K-factor	36	36	36	36
New floor	761.7	752.6	721.3	700

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

Games since
	Main 11	Standard 6		Rapid 5		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	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
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	11	7.5	68.18	154.5	1221.2	1375.8
Standard	6	4.5	75	212.5	1239	1451.5
Rapid	5	3	60	85	1199.9	1284.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	11	7.5	68.18	154.5	1221.2	1375.8
Standard	6	4.5	75	212.5	1239	1451.5
Rapid	5	3	60	85	1199.9	1284.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1261.7	1252.6	1221.3	1200
2025-09-01	1261.7	1252.6	1221.3	1200
2025-08-01	1261.7	1252.6	1221.3	1200
2025-07-01	1261.7	1252.6	1221.3	1200
2025-06-01	1261.7	1252.6	1221.3	1200
2025-05-01	1261.7	1252.6	1221.3	1200
2025-04-01	1261.7	1252.6	1221.3	1200
2025-03-01	1211.1	1200	1221.3	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	0	0	No	Analysis
2	West Coast Schools Chess Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	4.5	Yes	Analysis
3	Upper West Coast Presrige 2025 (U11 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	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	0	0	No	Analysis
2	West Coast Schools Chess Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	4.5	Yes	Analysis
3	Upper West Coast Presrige 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Upper West Coast Presrige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-03-08	rnd 4	type Standard	result 0.5
		Opponent Joseph, G (Granville)				Opponent Arendse, H (Haygen)
2	1	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 6	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Wildskut, R (Reece)				Opponent Wildskut, R (Reece)
3	1	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Fielies, B (Bernando)				Opponent Fielies, B (Bernando)

#	Games	Start				End
1	4	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 0.5
		Opponent Silver, J (Johaylin)				Opponent Arendse, H (Haygen)
2	1	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 6	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Wildskut, R (Reece)				Opponent Wildskut, R (Reece)

#	Games	Start				End
1	1	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Joseph, G (Granville)				Opponent Joseph, G (Granville)
2	1	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Fielies, B (Bernando)				Opponent Fielies, B (Bernando)
3	1	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Bester, N (Neyma)				Opponent Bester, N (Neyma)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Upper West Coast Presrige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Joseph, G (Granville)				Opponent Flink, J (Jay Ton)
2	1	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 6	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Wildskut, R (Reece)				Opponent Wildskut, R (Reece)
3	1	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Fielies, B (Bernando)				Opponent Fielies, B (Bernando)

#	Games	Start				End
1	3	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Silver, J (Johaylin)				Opponent Flink, J (Jay Ton)
2	1	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 6	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Wildskut, R (Reece)				Opponent Wildskut, R (Reece)

#	Games	Start				End
1	1	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Joseph, G (Granville)				Opponent Joseph, G (Granville)
2	1	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Fielies, B (Bernando)				Opponent Fielies, B (Bernando)
3	1	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Bester, N (Neyma)				Opponent Bester, N (Neyma)

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	Arendse ,H (Haygen)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Arendse ,H (Haygen)	1	1255.7	1255.7	1	1200	1255.7	0	0	0	0	0	0
2	Flink ,J (Jumelio)	1	1	425	1	1	425	0	0	0	0	0	0
2	Flink ,J (Jumelio)	1	1242.5	1667.5	1	1182	1667.5	0	0	0	0	0	0
3	Silver ,J (Johaylin)	1	1	425	1	1	425	0	0	0	0	0	0
3	Silver ,J (Johaylin)	1	1202.4	1627.4	1	1200	1627.4	0	0	0	0	0	0
4	Donn ,D (Dequin)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Donn ,D (Dequin)	1	1286.1	861.1	1	1200.2	861.1	0	0	0	0	0	0
5	Flink ,J (Jay Ton)	1	1	425	1	1	425	0	0	0	0	0	0
5	Flink ,J (Jay Ton)	1	1231.2	1656.2	1	1183.6	1656.2	0	0	0	0	0	0
6	Wildskut ,R (Reece)	1	1	425	1	1	425	0	0	0	0	0	0
6	Wildskut ,R (Reece)	1	1216.3	1641.3	1	1200	1641.3	0	0	0	0	0	0
7	Bester ,N (Neyma)	1	1	425	0	0	0	1	1	425	0	0	0
7	Bester ,N (Neyma)	1	1166.7	1591.7	0	0	0	1	1149.2	1591.7	0	0	0
8	Mpondombini ,P (Payton)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Mpondombini ,P (Payton)	1	1200.1	775.1	0	0	0	1	1253.7	775.1	0	0	0
9	Joseph ,G (Granville)	1	1	425	0	0	0	1	1	425	0	0	0
9	Joseph ,G (Granville)	1	1278.2	1703.2	0	0	0	1	1335.4	1703.2	0	0	0
10	Fielies ,B (Bernando)	1	1	425	0	0	0	1	1	425	0	0	0
10	Fielies ,B (Bernando)	1	1166.8	1591.8	0	0	0	1	1145.4	1591.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Pietersen, D (Dezario)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms