Chess South Africa Ratings Database

PLAYER PAGE

Personal

Hartnick, J (Junior)

Chess SA id

1070158178

FIDE id

Date of birth

2007-01-06 (U20)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-07-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1229.8	1200	1200	1359.1
Raw rating	1229.8	1200	1200	1359.1
Weighted rating	1229.8	1200	1200	1359.1
Weighted performance	0	0	0	0
Floor	729.8	700	700	859.1
K-factor	36	36	36	36
Min/Max rating change allowed	158.9	165.8	165.8	132.2
Highest rating	1229.8 2024-02-01	1200 2018-10-01	1200 2018-10-01	1359.1 2024-02-01
Highest raw rating	1229.8 2024-02-01	1200 2024-02-01	1200 2024-02-01	1359.1 2024-02-01
Highest weighted rating	1229.8 2025-06-01	1200 2018-10-01	1200 2018-10-01	1359.1 2025-06-01
Highest weighted performance	1227.5 2023-07-01	1200 2024-02-01	1200 2024-02-01	1358.6 2023-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1229.8	1200	1200	1359.1
Analysis
Rating	1229.8	1200	1200	1359.1
Raw rating	1229.8	1200	1200	1359.1
Weighted rating	1229.8	1200	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	729.8	700	700	859.1
Max/Min rating change allowed	158.9	165.8	165.8	132.2
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	1229.8	1200	1200	1359.1
New weighted rating	1229.8	1200	1200	1359.1
New weighted performance	0	0	0	0
Temp new rating	1229.8	1200	1200	1359.1
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1229.8	1200	1200	1359.1
New K-factor	36	36	36	36
New floor	729.8	700	700	859.1

Item	Main	Blitz
	0	0
	0	0
	0	0
	21	21
	0	0
	0	0
History	21	21

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Eden (WEG)
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	21	15	71.43	182.1	1206.1	1388.2
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	21	15	71.43	182.1	1206.1	1388.2

Date	Main	Standard	Rapid	Blitz
2025-11-01	1229.8	1200	1200	1359.1
2025-09-30	1229.8	1200	1200	1359.1
2025-09-01	1229.8	1200	1200	1359.1
2025-08-01	1229.8	1200	1200	1359.1
2025-07-01	1229.8	1200	1200	1359.1
2025-06-01	1229.8	1200	1200	1359.1
2025-05-01	1229.8	1200	1200	1359.1
2025-04-01	1229.8	1200	1200	1359.1
2025-03-01	1229.8	1200	1200	1359.1
2025-02-01	1229.8	1200	1200	1359.1
2025-01-01	1229.8	1200	1200	1359.1
2024-12-01	1229.8	1200	1200	1359.1
2024-11-01	1229.8	1200	1200	1359.1
2024-10-01	1229.8	1200	1200	1359.1
2024-09-01	1229.8	1200	1200	1359.1
2024-08-01	1229.8	1200	1200	1359.1
2024-07-01	1229.8	1200	1200	1359.1
2024-09-01	1229.8	1200	1200	1359.1
2024-05-01	1229.8	1200	1200	1359.1
2024-04-01	1229.8	1200	1200	1359.1
2024-03-01	1229.8	1200	1200	1359.1
2024-02-01	1229.8	1200	1200	1359.1
2024-01-01	1229.8	1200	1200	1359.1
2023-12-01	1229.8	1200	1200	1359.1

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	Duivenhoks Biblioteek Blitz 2023 (Dag 5 A)	2023-07-07	2023-07-07	Blitz	Eden (WEG)	6	6	4	Yes	Analysis
2	Duivenhoks Biblioteek Blitz 2023 (Dag 4 A)	2023-07-06	2023-07-06	Blitz	Eden (WEG)	5	5	3	Yes	Analysis
3	Duivenhoks Biblioteek Blitz 2023 (Dag 3 A)	2023-07-05	2023-07-05	Blitz	Eden (WEG)	5	5	4	Yes	Analysis
4	Duivenhoks Biblioteek Blitz 2023 (Dag 2 A)	2023-07-04	2023-07-04	Blitz	Eden (WEG)	5	5	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament Duivenhoks Biblioteek Blitz 2023				Tournament Duivenhoks Biblioteek Blitz 2023
		date 2023-07-04	rnd 1	type Blitz	result 1	date 2023-07-04	rnd 4	type Blitz	result 1
		Opponent Hendricks, C (Chadlin)				Opponent Du Toit, S (Shanke)
2	3	Tournament Duivenhoks Biblioteek Blitz 2023				Tournament Duivenhoks Biblioteek Blitz 2023
		date 2023-07-07	rnd 4	type Blitz	result 1	date 2023-07-07	rnd 6	type Blitz	result 1
		Opponent Theodore, T (Theo)				Opponent Geldenhuys, E (Eugenay)
3	3	Tournament Duivenhoks Biblioteek Blitz 2023				Tournament Duivenhoks Biblioteek Blitz 2023
		date 2023-07-06	rnd 2	type Blitz	result 1	date 2023-07-06	rnd 4	type Blitz	result 1
		Opponent Hendricks, R (Rihano)				Opponent Du Toit, S (Shanke)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Duivenhoks Biblioteek Blitz 2023				Tournament Duivenhoks Biblioteek Blitz 2023
		date 2023-07-04	rnd 1	type Blitz	result 1	date 2023-07-04	rnd 4	type Blitz	result 1
		Opponent Hendricks, C (Chadlin)				Opponent Du Toit, S (Shanke)
2	3	Tournament Duivenhoks Biblioteek Blitz 2023				Tournament Duivenhoks Biblioteek Blitz 2023
		date 2023-07-07	rnd 4	type Blitz	result 1	date 2023-07-07	rnd 6	type Blitz	result 1
		Opponent Theodore, T (Theo)				Opponent Geldenhuys, E (Eugenay)
3	3	Tournament Duivenhoks Biblioteek Blitz 2023				Tournament Duivenhoks Biblioteek Blitz 2023
		date 2023-07-06	rnd 2	type Blitz	result 1	date 2023-07-06	rnd 4	type Blitz	result 1
		Opponent Hendricks, R (Rihano)				Opponent Du Toit, S (Shanke)

#	Games	Start				End
1	4	Tournament Duivenhoks Biblioteek Blitz 2023				Tournament Duivenhoks Biblioteek Blitz 2023
		date 2023-07-04	rnd 1	type Blitz	result 1	date 2023-07-04	rnd 4	type Blitz	result 1
		Opponent Hendricks, C (Chadlin)				Opponent Du Toit, S (Shanke)
2	3	Tournament Duivenhoks Biblioteek Blitz 2023				Tournament Duivenhoks Biblioteek Blitz 2023
		date 2023-07-07	rnd 4	type Blitz	result 1	date 2023-07-07	rnd 6	type Blitz	result 1
		Opponent Theodore, T (Theo)				Opponent Geldenhuys, E (Eugenay)
3	3	Tournament Duivenhoks Biblioteek Blitz 2023				Tournament Duivenhoks Biblioteek Blitz 2023
		date 2023-07-06	rnd 2	type Blitz	result 1	date 2023-07-06	rnd 4	type Blitz	result 1
		Opponent Hendricks, R (Rihano)				Opponent Du Toit, S (Shanke)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Duivenhoks Biblioteek Blitz 2023				Tournament Duivenhoks Biblioteek Blitz 2023
		date 2023-07-04	rnd 1	type Blitz	result 1	date 2023-07-04	rnd 4	type Blitz	result 1
		Opponent Hendricks, C (Chadlin)				Opponent Du Toit, S (Shanke)
2	3	Tournament Duivenhoks Biblioteek Blitz 2023				Tournament Duivenhoks Biblioteek Blitz 2023
		date 2023-07-07	rnd 4	type Blitz	result 1	date 2023-07-07	rnd 6	type Blitz	result 1
		Opponent Theodore, T (Theo)				Opponent Geldenhuys, E (Eugenay)
3	3	Tournament Duivenhoks Biblioteek Blitz 2023				Tournament Duivenhoks Biblioteek Blitz 2023
		date 2023-07-06	rnd 2	type Blitz	result 1	date 2023-07-06	rnd 4	type Blitz	result 1
		Opponent Hendricks, R (Rihano)				Opponent Du Toit, S (Shanke)

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	Bam ,C (Cayleb)	3	0	-425	0	0	0	0	0	0	3	0	-425
1	Bam ,C (Cayleb)	3	1197.9	772.9	0	0	0	0	0	0	3	1200	772.9
2	Theodore ,T (Theo)	3	3	425	0	0	0	0	0	0	3	3	425
2	Theodore ,T (Theo)	3	1200	1625	0	0	0	0	0	0	3	1200	1625
3	Geldenhuys ,E (Eugenay)	2	2	425	0	0	0	0	0	0	2	2	425
3	Geldenhuys ,E (Eugenay)	2	1116.6	1541.6	0	0	0	0	0	0	2	1200	1541.6
4	Meyer ,X (Xaydin)	2	2	425	0	0	0	0	0	0	2	2	425
4	Meyer ,X (Xaydin)	2	1143.8	1568.8	0	0	0	0	0	0	2	1200	1568.8
5	Highburg ,T (Troy)	2	2	425	0	0	0	0	0	0	2	2	425
5	Highburg ,T (Troy)	2	1163.8	1588.8	0	0	0	0	0	0	2	1200	1588.8
6	Du Toit ,S (Shanke)	2	2	425	0	0	0	0	0	0	2	2	425
6	Du Toit ,S (Shanke)	2	1200	1625	0	0	0	0	0	0	2	1200	1625
7	Moolman ,E (Elzevir)	1	0	-425	0	0	0	0	0	0	1	0	-425
7	Moolman ,E (Elzevir)	1	1407.2	982.2	0	0	0	0	0	0	1	1200	982.2
8	Hendricks ,R (Rihano)	1	1	425	0	0	0	0	0	0	1	1	425
8	Hendricks ,R (Rihano)	1	1200	1625	0	0	0	0	0	0	1	1200	1625
9	Pieters ,M (Miquel)	1	1	425	0	0	0	0	0	0	1	1	425
9	Pieters ,M (Miquel)	1	1200	1625	0	0	0	0	0	0	1	1200	1625
10	Roberts ,I (Iwan)	1	0	-425	0	0	0	0	0	0	1	0	-425
10	Roberts ,I (Iwan)	1	1553.6	1128.6	0	0	0	0	0	0	1	1160.4	1128.6

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Hartnick, J (Junior)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms