Chess South Africa Ratings Database

PLAYER PAGE

Personal

Piorek, J (Jake)

Chess SA id

1120133107

FIDE id

Date of birth

2012-05-04 (U14)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-02-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1135.8	1092	1176.8	1200
Raw rating	1135.8	1092	1176.8	1200
Weighted rating	1135.8	1092	1176.8	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	181.7	193.4	171.4	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1135.8	1092	1176.8	1200
Analysis
Rating	1135.8	1092	1176.8	1200
Raw rating	1135.8	1092	1176.8	1200
Weighted rating	1135.8	1092	1176.8
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	181.7	193.4	171.4	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	1135.8	1092	1176.8	1200
New weighted rating	1135.8	1092	1176.8	1200
New weighted performance	0	0	0	0
Temp new rating	1135.8	1092	1176.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1135.8	1092	1176.8	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	6	0	6
	8	8	0
	0	0	0
History	19	13	6

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	19	6.5	34.21	-134.2	1222.2	1088
Standard	13	3.5	26.92	-196.2	1192.1	995.9
Rapid	6	3	50	0	1287.6	1287.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1135.8	1092	1176.8	1200
2025-09-30	1135.8	1092	1176.8	1200
2025-09-01	1135.8	1092	1176.8	1200
2025-08-01	1135.8	1092	1176.8	1200
2025-07-01	1135.8	1092	1176.8	1200
2025-06-01	1135.8	1092	1176.8	1200
2025-05-01	1135.8	1092	1176.8	1200
2025-04-01	1135.8	1092	1176.8	1200
2025-03-01	1135.8	1092	1176.8	1200
2025-02-01	1135.8	1092	1176.8	1200
2025-01-01	1135.8	1092	1176.8	1200
2024-12-01	1135.8	1092	1176.8	1200
2024-11-01	1135.8	1092	1176.8	1200
2024-10-01	1135.8	1092	1176.8	1200
2024-09-01	1135.8	1092	1176.8	1200
2024-08-01	1135.8	1092	1176.8	1200
2024-07-01	1135.8	1092	1176.8	1200
2024-09-01	1135.8	1092	1176.8	1200
2024-05-01	1135.8	1092	1176.8	1200
2024-04-01	1135.8	1092	1176.8	1200
2024-03-01	1135.8	1092	1176.8	1200
2024-02-01	1135.8	1092	1176.8	1200
2024-01-01	1135.8	1092	1176.8	1200
2023-12-01	1135.8	1092	1176.8	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	Mzansi Rapid 2023 (Intermediate)	2023-02-04	2023-02-04	Rapid	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
2	JMC 2nd Trials 2022 (D)	2022-08-27	2022-08-27	Standard	Johannesburg Metro (GJM)	5	3	0	Yes	Analysis
3	2022 Gauteng Schools Individual Chess Championship (U11 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	The King`s Cup League 2020 (D)	2020-03-07	2020-03-07	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-18	rnd 4	type Standard	result 1	date 2022-06-18	rnd 5	type Standard	result 1
		Opponent Makgopa, P (Phenyo)				Opponent Cloete, K (Kyle)
2	2	Tournament The King`s Cup League 2020				Tournament The King`s Cup League 2020
		date 2020-03-07	rnd 1	type Standard	result 0.5	date 2020-03-07	rnd 2	type Standard	result 0.5
		Opponent Basson, Z (Zachariah)				Opponent Molotsi, MKS (Monei)
3	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 6	type Rapid	result 1	date 2023-02-04	rnd 6	type Rapid	result 1
		Opponent Arendse, A (Ajay)				Opponent Arendse, A (Ajay)

#	Games	Start				End
1	2	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-18	rnd 4	type Standard	result 1	date 2022-06-18	rnd 5	type Standard	result 1
		Opponent Makgopa, P (Phenyo)				Opponent Cloete, K (Kyle)
2	2	Tournament The King`s Cup League 2020				Tournament The King`s Cup League 2020
		date 2020-03-07	rnd 1	type Standard	result 0.5	date 2020-03-07	rnd 2	type Standard	result 0.5
		Opponent Basson, Z (Zachariah)				Opponent Molotsi, MKS (Monei)
3	1	Tournament The King`s Cup League 2020				Tournament The King`s Cup League 2020
		date 2020-03-07	rnd 5	type Standard	result 0.5	date 2020-03-07	rnd 5	type Standard	result 0.5
		Opponent Radinova, T (Tonya)				Opponent Radinova, T (Tonya)

#	Games	Start				End
1	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 6	type Rapid	result 1	date 2023-02-04	rnd 6	type Rapid	result 1
		Opponent Arendse, A (Ajay)				Opponent Arendse, A (Ajay)
2	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 4	type Rapid	result 1	date 2023-02-04	rnd 4	type Rapid	result 1
		Opponent Pretorius, L (Lize)				Opponent Pretorius, L (Lize)
3	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 2	type Rapid	result 1	date 2023-02-04	rnd 2	type Rapid	result 1
		Opponent Govender, C (Cadin)				Opponent Govender, C (Cadin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-18	rnd 4	type Standard	result 1	date 2022-06-18	rnd 5	type Standard	result 1
		Opponent Makgopa, P (Phenyo)				Opponent Cloete, K (Kyle)
2	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 6	type Rapid	result 1	date 2023-02-04	rnd 6	type Rapid	result 1
		Opponent Arendse, A (Ajay)				Opponent Arendse, A (Ajay)
3	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 4	type Rapid	result 1	date 2023-02-04	rnd 4	type Rapid	result 1
		Opponent Pretorius, L (Lize)				Opponent Pretorius, L (Lize)

#	Games	Start				End
1	2	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-18	rnd 4	type Standard	result 1	date 2022-06-18	rnd 5	type Standard	result 1
		Opponent Makgopa, P (Phenyo)				Opponent Cloete, K (Kyle)

#	Games	Start				End
1	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 6	type Rapid	result 1	date 2023-02-04	rnd 6	type Rapid	result 1
		Opponent Arendse, A (Ajay)				Opponent Arendse, A (Ajay)
2	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 4	type Rapid	result 1	date 2023-02-04	rnd 4	type Rapid	result 1
		Opponent Pretorius, L (Lize)				Opponent Pretorius, L (Lize)
3	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 2	type Rapid	result 1	date 2023-02-04	rnd 2	type Rapid	result 1
		Opponent Govender, C (Cadin)				Opponent Govender, C (Cadin)

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	Moller ,L (Luan)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Moller ,L (Luan)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Letlhogomolo ,M (Mtshabeleng)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Letlhogomolo ,M (Mtshabeleng)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Makgopa ,P (Phenyo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Makgopa ,P (Phenyo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Lekhanya ,T (Thoriso)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Lekhanya ,T (Thoriso)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Cloete ,K (Kyle)	1	1	425	1	1	425	0	0	0	0	0	0
5	Cloete ,K (Kyle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Joshua ,L (Levi)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Joshua ,L (Levi)	1	1184.7	759.7	1	1181.6	759.7	0	0	0	0	0	0
7	Kheswa ,T (Themba)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Kheswa ,T (Themba)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Basson ,Z (Zachariah)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Basson ,Z (Zachariah)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
9	Radinova ,T (Tonya)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Radinova ,T (Tonya)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
10	Parag ,T (Tejas)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Parag ,T (Tejas)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Piorek, J (Jake)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms