Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pietersen, S (Sergio)

Chess SA id

1060097106

FIDE id

Date of birth

2006-06-21 (U20)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-10-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1139.2	1200	1126.4	1200
Raw rating	1139.2	1200	1126.4	1200
Weighted rating	1139.2	1200	1126.4	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	180.8	165.8	184.1	165.8
Highest rating	1200 2018-02-01	1200 2018-10-01	1200 2018-02-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2024-02-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-10-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-02-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1139.2	1200	1126.4	1200
Analysis
Rating	1139.2	1200	1126.4	1200
Raw rating	1139.2	1200	1126.4	1200
Weighted rating	1139.2	1200	1126.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	180.8	165.8	184.1	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	1139.2	1200	1126.4	1200
New weighted rating	1139.2	1200	1126.4	1200
New weighted performance	0	0	0	0
Temp new rating	1139.2	1200	1126.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1139.2	1200	1126.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	15	15

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	15	6	40	-85	1078.2	993.2
Standard	0	0	0	0	0	0
Rapid	15	6	40	-85	1078.2	993.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1139.2	1200	1126.4	1200
2025-09-30	1139.2	1200	1126.4	1200
2025-09-01	1139.2	1200	1126.4	1200
2025-08-01	1139.2	1200	1126.4	1200
2025-07-01	1139.2	1200	1126.4	1200
2025-06-01	1139.2	1200	1126.4	1200
2025-05-01	1139.2	1200	1126.4	1200
2025-04-01	1139.2	1200	1126.4	1200
2025-03-01	1139.2	1200	1126.4	1200
2025-02-01	1139.2	1200	1126.4	1200
2025-01-01	1139.2	1200	1126.4	1200
2024-12-01	1139.2	1200	1126.4	1200
2024-11-01	1139.2	1200	1126.4	1200
2024-10-01	1139.2	1200	1126.4	1200
2024-09-01	1139.2	1200	1126.4	1200
2024-08-01	1139.2	1200	1126.4	1200
2024-07-01	1139.2	1200	1126.4	1200
2024-09-01	1139.2	1200	1126.4	1200
2024-05-01	1139.2	1200	1126.4	1200
2024-04-01	1139.2	1200	1126.4	1200
2024-03-01	1139.2	1200	1126.4	1200
2024-02-01	1139.2	1200	1126.4	1200
2024-01-01	1139.2	1200	1126.4	1200
2023-12-01	1139.2	1200	1126.4	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	Robertson Strategema 2019 (U13)	2019-10-05	2019-10-05	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Strategema Club 2018 (U14)	2018-03-10	2018-03-10	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
3	North Boland Trials 2018 (U13 Boys)	2018-02-17	2018-02-17	Rapid	Cape Winelands (WCW)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 1	type Rapid	result 1	date 2019-10-05	rnd 2	type Rapid	result 1
		Opponent Venter, B (Benjamin)				Opponent Conradie, R (Robyn)
2	2	Tournament Strategema Club 2018				Tournament Strategema Club 2018
		date 2018-03-10	rnd 2	type Rapid	result 1	date 2018-03-10	rnd 3	type Rapid	result 1
		Opponent Everson, A (Algurvine)				Opponent Van Der Merwe, S (Sune)
3	1	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 4	type Rapid	result 1	date 2019-10-05	rnd 4	type Rapid	result 1
		Opponent De Wet, M (Malcolm)				Opponent De Wet, M (Malcolm)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 1	type Rapid	result 1	date 2019-10-05	rnd 2	type Rapid	result 1
		Opponent Venter, B (Benjamin)				Opponent Conradie, R (Robyn)
2	2	Tournament Strategema Club 2018				Tournament Strategema Club 2018
		date 2018-03-10	rnd 2	type Rapid	result 1	date 2018-03-10	rnd 3	type Rapid	result 1
		Opponent Everson, A (Algurvine)				Opponent Van Der Merwe, S (Sune)
3	1	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 4	type Rapid	result 1	date 2019-10-05	rnd 4	type Rapid	result 1
		Opponent De Wet, M (Malcolm)				Opponent De Wet, M (Malcolm)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 1	type Rapid	result 1	date 2019-10-05	rnd 2	type Rapid	result 1
		Opponent Venter, B (Benjamin)				Opponent Conradie, R (Robyn)
2	2	Tournament Strategema Club 2018				Tournament Strategema Club 2018
		date 2018-03-10	rnd 2	type Rapid	result 1	date 2018-03-10	rnd 3	type Rapid	result 1
		Opponent Everson, A (Algurvine)				Opponent Van Der Merwe, S (Sune)
3	1	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 4	type Rapid	result 1	date 2019-10-05	rnd 4	type Rapid	result 1
		Opponent De Wet, M (Malcolm)				Opponent De Wet, M (Malcolm)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 1	type Rapid	result 1	date 2019-10-05	rnd 2	type Rapid	result 1
		Opponent Venter, B (Benjamin)				Opponent Conradie, R (Robyn)
2	2	Tournament Strategema Club 2018				Tournament Strategema Club 2018
		date 2018-03-10	rnd 2	type Rapid	result 1	date 2018-03-10	rnd 3	type Rapid	result 1
		Opponent Everson, A (Algurvine)				Opponent Van Der Merwe, S (Sune)
3	1	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 4	type Rapid	result 1	date 2019-10-05	rnd 4	type Rapid	result 1
		Opponent De Wet, M (Malcolm)				Opponent De Wet, M (Malcolm)

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	Everson ,A (Algurvine)	2	2	425	0	0	0	2	2	425	0	0	0
1	Everson ,A (Algurvine)	2	1189.4	1614.4	0	0	0	2	1181.4	1614.4	0	0	0
2	Ruiters ,D (Dehiaano)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Ruiters ,D (Dehiaano)	2	1199.7	774.7	0	0	0	2	1194	774.7	0	0	0
3	Scheepers ,M (Mieke)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Scheepers ,M (Mieke)	1	1166.3	741.3	0	0	0	1	1244.8	741.3	0	0	0
4	Groenewald ,J (Juan)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Groenewald ,J (Juan)	1	1200	775	0	0	0	1	1200	775	0	0	0
5	Manuel ,J (Jez-Will)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Manuel ,J (Jez-Will)	1	1200	775	0	0	0	1	1200	775	0	0	0
6	Venter ,B (Benjamin)	1	1	425	0	0	0	1	1	425	0	0	0
6	Venter ,B (Benjamin)	1	985.8	1410.8	0	0	0	1	1200	1410.8	0	0	0
7	Van Zyl ,R (Rigter)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Van Zyl ,R (Rigter)	1	1228.5	803.5	0	0	0	1	1178.7	803.5	0	0	0
8	Beukes ,JC (Jaeden Caeleb)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Beukes ,JC (Jaeden Caeleb)	1	990.6	565.6	0	0	0	1	922.6	565.6	0	0	0
9	De Wet ,M (Malcolm)	1	1	425	0	0	0	1	1	425	0	0	0
9	De Wet ,M (Malcolm)	1	1145.3	1570.3	0	0	0	1	1106.3	1570.3	0	0	0
10	Snyman ,A (Alex)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Snyman ,A (Alex)	1	702	277	0	0	0	1	752.8	277	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Pietersen, S (Sergio)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms