Chess South Africa Ratings Database

PLAYER PAGE

Personal

Maletta, J (Johan)

Chess SA id

1820133967

FIDE id

Date of birth

1982-05-09 (Adult)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2021-03-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1256.1	1300	1194	1300
Raw rating	1256.1	1300	1194	1300
Weighted rating	1255.5	1299	1194	1299
Weighted performance	0	0	0	0
Floor	756.1	800	700	800
K-factor	36	36	36	36
Min/Max rating change allowed	153.1	143.8	167.2	143.8
Highest rating	1256.1 2024-02-01	1300 2024-02-01	1200 2018-10-01	1300 2024-02-01
Highest raw rating	1256.1 2024-02-01	1300 2024-02-01	1200 2020-01-01	1300 2024-02-01
Highest weighted rating	1254.2 2025-08-01	1296.7 2025-08-01	1200 2018-10-01	1296.7 2025-08-01
Highest weighted performance	1200 2020-01-01	1200 2024-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1256.1	1300	1194	1300
Analysis
Rating	1256.1	1300	1194	1300
Raw rating	1256.1	1300	1194	1300
Weighted rating	1255.5	1299	1194
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	756.1	800	700	800
Max/Min rating change allowed	153.1	143.8	167.2	143.8
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	1256.1	1300	1194	1300
New weighted rating	1255.9	1299.7	1194	1299.7
New weighted performance	0	0	0	0
Temp new rating	1256.1	1300	1194	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1256.1	1300	1194	1300
New K-factor	36	36	36	36
New floor	756.1	800	700	800

Item	Main	Rapid
	0	0
	0	0
	0	0
	0	0
	0	0
	7	7
History	7	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	West Coast (WCU)
Province	Western Cape (WC)
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	7	3.5	50	0	1201.7	1201.7
Standard	0	0	0	0	0	0
Rapid	7	3.5	50	0	1201.7	1201.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1256.1	1300	1194	1300
2025-09-01	1256.1	1300	1194	1300
2025-08-01	1256.1	1300	1194	1300
2025-07-01	1256.1	1300	1194	1300
2025-06-01	1256.1	1300	1194	1300
2025-05-01	1256.1	1300	1194	1300
2025-04-01	1256.1	1300	1194	1300
2025-03-01	1256.1	1300	1194	1300
2025-02-01	1256.1	1300	1194	1300
2025-01-01	1256.1	1300	1194	1300
2024-12-01	1256.1	1300	1194	1300
2024-11-01	1256.1	1300	1194	1300
2024-10-01	1256.1	1300	1194	1300
2024-09-01	1256.1	1300	1194	1300
2024-08-01	1256.1	1300	1194	1300
2024-07-01	1256.1	1300	1194	1300
2024-06-01	1256.1	1300	1194	1300
2024-08-01	1256.1	1300	1194	1300
2024-04-01	1256.1	1300	1194	1300
2024-03-01	1256.1	1300	1194	1300
2024-02-01	1256.1	1300	1194	1300
2024-01-01	1256.1	1300	1194	1300
2023-12-01	1201.1	1200	1194	1200
2023-11-01	1201.1	1200	1194	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	Olifantsrivier CC 2021 (Invitational)	2021-03-27	2021-03-27	Rapid	West Coast (WCU)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Olifantsrivier CC 2021				Tournament Olifantsrivier CC 2021
		date 2021-03-27	rnd 3	type Rapid	result 0.5	date 2021-03-27	rnd 6	type Rapid	result 1
		Opponent Huisamen, A (Albertus)				Opponent Arries, G (Gerswin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Olifantsrivier CC 2021				Tournament Olifantsrivier CC 2021
		date 2021-03-27	rnd 3	type Rapid	result 0.5	date 2021-03-27	rnd 6	type Rapid	result 1
		Opponent Huisamen, A (Albertus)				Opponent Arries, G (Gerswin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Olifantsrivier CC 2021				Tournament Olifantsrivier CC 2021
		date 2021-03-27	rnd 4	type Rapid	result 1	date 2021-03-27	rnd 6	type Rapid	result 1
		Opponent Bester, J (Juandre)				Opponent Arries, G (Gerswin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Olifantsrivier CC 2021				Tournament Olifantsrivier CC 2021
		date 2021-03-27	rnd 4	type Rapid	result 1	date 2021-03-27	rnd 6	type Rapid	result 1
		Opponent Bester, J (Juandre)				Opponent Arries, G (Gerswin)

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	Petro ,Y (Yulin)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Petro ,Y (Yulin)	1	1116.5	691.5	0	0	0	1	1138	691.5	0	0	0
2	Wildschut ,B (Bradley)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Wildschut ,B (Bradley)	1	1121.4	696.4	0	0	0	1	1150.4	696.4	0	0	0
3	Owies ,R (Raydn)	1	1	425	0	0	0	1	1	425	0	0	0
3	Owies ,R (Raydn)	1	1222	1647	0	0	0	1	1181.3	1647	0	0	0
4	Arries ,G (Gerswin)	1	1	425	0	0	0	1	1	425	0	0	0
4	Arries ,G (Gerswin)	1	1158.7	1583.7	0	0	0	1	1204	1583.7	0	0	0
5	Huysamen ,A (Albertus)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
5	Huysamen ,A (Albertus)	1	1226.9	1226.9	0	0	0	1	1184.5	1226.9	0	0	0
6	Bester ,J (Juandre)	1	1	425	0	0	0	1	1	425	0	0	0
6	Bester ,J (Juandre)	1	1210.1	1635.1	0	0	0	1	1228.4	1635.1	0	0	0
7	Ellman ,A (Anne-Belle)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Ellman ,A (Anne-Belle)	1	1356	931	0	0	0	1	1158.4	931	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Maletta, J (Johan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms