Chess South Africa Ratings Database

PLAYER PAGE

Personal

Roberts, JH (Jan Hendrik)

Chess SA id

192032282

FIDE id

Date of birth

1992-10-03 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-05-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1298.5	1300	1300	1248.8
Raw rating	1298.5	1300	1300	1248.8
Weighted rating	1297.6	1299	1299	1248.1
Weighted performance	0	0	0	0
Floor	798.5	800	800	748.8
K-factor	36	36	36	36
Min/Max rating change allowed	144.1	143.8	143.8	154.7
Highest rating	1298.5 2024-02-01	1300 2024-02-01	1300 2024-02-01	1248.8 2024-02-01
Highest raw rating	1298.5 2024-02-01	1300 2024-02-01	1300 2024-02-01	1248.8 2024-02-01
Highest weighted rating	1295.6 2025-08-01	1296.7 2025-08-01	1296.7 2025-08-01	1246.4 2025-08-01
Highest weighted performance	1269.8 2022-05-01	1200 2024-02-01	1200 2024-02-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1298.5	1300	1300	1248.8
Analysis
Rating	1298.5	1300	1300	1248.8
Raw rating	1298.5	1300	1300	1248.8
Weighted rating	1297.6	1299	1299
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	798.5	800	800	748.8
Max/Min rating change allowed	144.1	143.8	143.8	154.7
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	1298.5	1300	1300	1248.8
New weighted rating	1298.2	1299.7	1299.7	1248.5
New weighted performance	0	0	0	0
Temp new rating	1298.5	1300	1300	1248.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1298.5	1300	1300	1248.8
New K-factor	36	36	36	36
New floor	798.5	800	800	748.8

Item	Main	Blitz
	0	0
	0	0
	0	0
	0	0
	9	9
	0	0
History	9	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	9	4	44.44	-47.2	1451.4	1404.2
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	9	4	44.44	-47.2	1451.4	1404.2

Date	Main	Standard	Rapid	Blitz
2025-09-30	1298.5	1300	1300	1248.8
2025-09-01	1298.5	1300	1300	1248.8
2025-08-01	1298.5	1300	1300	1248.8
2025-07-01	1298.5	1300	1300	1248.8
2025-06-01	1298.5	1300	1300	1248.8
2025-05-01	1298.5	1300	1300	1248.8
2025-04-01	1298.5	1300	1300	1248.8
2025-03-01	1298.5	1300	1300	1248.8
2025-02-01	1298.5	1300	1300	1248.8
2025-01-01	1298.5	1300	1300	1248.8
2024-12-01	1298.5	1300	1300	1248.8
2024-11-01	1298.5	1300	1300	1248.8
2024-10-01	1298.5	1300	1300	1248.8
2024-09-01	1298.5	1300	1300	1248.8
2024-08-01	1298.5	1300	1300	1248.8
2024-07-01	1298.5	1300	1300	1248.8
2024-06-01	1298.5	1300	1300	1248.8
2024-08-01	1298.5	1300	1300	1248.8
2024-04-01	1298.5	1300	1300	1248.8
2024-03-01	1298.5	1300	1300	1248.8
2024-02-01	1298.5	1300	1300	1248.8
2024-01-01	1298.5	1300	1300	1248.8
2023-12-01	1210.7	1200	1200	1177.6
2023-11-01	1210.7	1200	1200	1177.6

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	Rachella`s Cafe Blitz Tournament 3 2022	2022-05-15	2022-05-15	Blitz	Tshwane (GTP)	9	9	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament Rachella`s Cafe Blitz Tournament 3 2022				Tournament Rachella`s Cafe Blitz Tournament 3 2022
		date 2022-05-15	rnd 4	type Blitz	result 1	date 2022-05-15	rnd 6	type Blitz	result 1
		Opponent Price, J (Jonathan)				Opponent Adamson, LJ (Luke)
2	1	Tournament Rachella`s Cafe Blitz Tournament 3 2022				Tournament Rachella`s Cafe Blitz Tournament 3 2022
		date 2022-05-15	rnd 8	type Blitz	result 1	date 2022-05-15	rnd 8	type Blitz	result 1
		Opponent Nel, H (Hayley)				Opponent Nel, H (Hayley)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Rachella`s Cafe Blitz Tournament 3 2022				Tournament Rachella`s Cafe Blitz Tournament 3 2022
		date 2022-05-15	rnd 4	type Blitz	result 1	date 2022-05-15	rnd 6	type Blitz	result 1
		Opponent Price, J (Jonathan)				Opponent Adamson, LJ (Luke)
2	1	Tournament Rachella`s Cafe Blitz Tournament 3 2022				Tournament Rachella`s Cafe Blitz Tournament 3 2022
		date 2022-05-15	rnd 8	type Blitz	result 1	date 2022-05-15	rnd 8	type Blitz	result 1
		Opponent Nel, H (Hayley)				Opponent Nel, H (Hayley)

#	Games	Start				End
1	3	Tournament Rachella`s Cafe Blitz Tournament 3 2022				Tournament Rachella`s Cafe Blitz Tournament 3 2022
		date 2022-05-15	rnd 4	type Blitz	result 1	date 2022-05-15	rnd 6	type Blitz	result 1
		Opponent Price, J (Jonathan)				Opponent Adamson, LJ (Luke)
2	1	Tournament Rachella`s Cafe Blitz Tournament 3 2022				Tournament Rachella`s Cafe Blitz Tournament 3 2022
		date 2022-05-15	rnd 8	type Blitz	result 1	date 2022-05-15	rnd 8	type Blitz	result 1
		Opponent Nel, H (Hayley)				Opponent Nel, H (Hayley)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Rachella`s Cafe Blitz Tournament 3 2022				Tournament Rachella`s Cafe Blitz Tournament 3 2022
		date 2022-05-15	rnd 4	type Blitz	result 1	date 2022-05-15	rnd 6	type Blitz	result 1
		Opponent Price, J (Jonathan)				Opponent Adamson, LJ (Luke)
2	1	Tournament Rachella`s Cafe Blitz Tournament 3 2022				Tournament Rachella`s Cafe Blitz Tournament 3 2022
		date 2022-05-15	rnd 8	type Blitz	result 1	date 2022-05-15	rnd 8	type Blitz	result 1
		Opponent Nel, H (Hayley)				Opponent Nel, H (Hayley)

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	Maumbi ,K (Kevin Tafadzwa)	1	0	-425	0	0	0	0	0	0	1	0	-425
1	Maumbi ,K (Kevin Tafadzwa)	1	1200	775	0	0	0	0	0	0	1	1200	775
2	Guldenpfennig ,R (Reinhardt)	1	1	425	0	0	0	0	0	0	1	1	425
2	Guldenpfennig ,R (Reinhardt)	1	1284.9	1709.9	0	0	0	0	0	0	1	1200	1709.9
3	Chauke ,N (Nicholus)	1	0	-425	0	0	0	0	0	0	1	0	-425
3	Chauke ,N (Nicholus)	1	1357.9	932.9	0	0	0	0	0	0	1	1200	932.9
4	Price ,J (Jonathan)	1	1	425	0	0	0	0	0	0	1	1	425
4	Price ,J (Jonathan)	1	1200	1625	0	0	0	0	0	0	1	1200	1625
5	Nel ,H (Hayley)	1	1	425	0	0	0	0	0	0	1	1	425
5	Nel ,H (Hayley)	1	1478.1	1903.1	0	0	0	0	0	0	1	500	1903.1
6	Sathish ,A (Abinavah)	1	0	-425	0	0	0	0	0	0	1	0	-425
6	Sathish ,A (Abinavah)	1	1633.1	1208.1	0	0	0	0	0	0	1	1173	1208.1
7	Hazelton-Lagarrigue ,V (Vincent)	1	0	-425	0	0	0	0	0	0	1	0	-425
7	Hazelton-Lagarrigue ,V (Vincent)	1	1319	894	0	0	0	0	0	0	1	1145.6	894
8	Adamson ,LJ (Luke Jonathan)	1	1	425	0	0	0	0	0	0	1	1	425
8	Adamson ,LJ (Luke Jonathan)	1	1440	1865	0	0	0	0	0	0	1	1200	1865
9	Oatlhotse ,P (Providence)	1	0	-425	0	0	0	0	0	0	1	0	-425
9	Oatlhotse ,P (Providence)	1	2149.7	1724.7	0	0	0	0	0	0	1	2192.4	1724.7

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Roberts, JH (Jan Hendrik)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms