Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jack, O (Onalenna)

Chess SA id

1110301883

FIDE id

Date of birth

2011-01-20 (U16)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-04-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1204.7	1218.4	1200	1200
Raw rating	1204.7	1218.4	1200	1200
Weighted rating	1204.4	1217.1	1200	1200
Weighted performance	0	0	0	0
Floor	704.7	718.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.7	161.5	165.8	165.8
Highest rating	1229.3 2024-04-01	1322.5 2024-04-01	1200 2024-05-01	1200 2024-05-01
Highest raw rating	1204.7 2024-05-01	1218.4 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest weighted rating	1204.7 2024-10-01	1218.4 2024-10-01	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1229.3 2024-04-01	1322.5 2024-04-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1204.7	1218.4	1200	1200
Analysis
Rating	1204.7	1218.4	1200	1200
Raw rating	1204.7	1218.4	1200	1200
Weighted rating	1204.4	1217.1	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	704.7	718.4	700	700
Max/Min rating change allowed	164.7	161.5	165.8	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	1204.7	1218.4	1200	1200
New weighted rating	1204.5	1217.5	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1204.7	1218.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1204.7	1218.4	1200	1200
New K-factor	36	36	36	36
New floor	704.7	718.4	700	700

Item	Main	Standard
	0	0
	0	0
	3	3
	0	0
	0	0
	0	0
History	3	3

Games since
	Main 3	Standard 3		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	3	2	66.67	141.7	1082.6	1224.3
Standard	3	2	66.67	141.7	1082.6	1224.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1204.7	1218.4	1200	1200
2025-09-01	1204.7	1218.4	1200	1200
2025-08-01	1204.7	1218.4	1200	1200
2025-07-01	1204.7	1218.4	1200	1200
2025-06-01	1204.7	1218.4	1200	1200
2025-05-01	1204.7	1218.4	1200	1200
2025-04-01	1204.7	1218.4	1200	1200
2025-03-01	1204.7	1218.4	1200	1200
2025-02-01	1204.7	1218.4	1200	1200
2025-01-01	1204.7	1218.4	1200	1200
2024-12-01	1204.7	1218.4	1200	1200
2024-11-01	1204.7	1218.4	1200	1200
2024-10-01	1204.7	1218.4	1200	1200
2024-09-01	1204.7	1218.4	1200	1200
2024-08-01	1204.7	1218.4	1200	1200
2024-07-01	1204.7	1218.4	1200	1200
2024-06-01	1204.7	1218.4	1200	1200
2024-08-01	1204.7	1218.4	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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	Mangaung Metro Chess 12-13 April 2024 (C+D)	2024-04-12	2024-04-13	Standard	Mangaung (FMB)	5	3	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Mangaung Metro Chess 12-13 April 2024				Tournament Mangaung Metro Chess 12-13 April 2024
		date 2024-04-13	rnd 4	type Standard	result 1	date 2024-04-13	rnd 5	type Standard	result 1
		Opponent Matlakala, K (Kemelo)				Opponent Mqakelana, I (Iminathi)

#	Games	Start				End
1	2	Tournament Mangaung Metro Chess 12-13 April 2024				Tournament Mangaung Metro Chess 12-13 April 2024
		date 2024-04-13	rnd 4	type Standard	result 1	date 2024-04-13	rnd 5	type Standard	result 1
		Opponent Matlakala, K (Kemelo)				Opponent Mqakelana, I (Iminathi)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Mangaung Metro Chess 12-13 April 2024				Tournament Mangaung Metro Chess 12-13 April 2024
		date 2024-04-13	rnd 4	type Standard	result 1	date 2024-04-13	rnd 5	type Standard	result 1
		Opponent Matlakala, K (Kemelo)				Opponent Mqakelana, I (Iminathi)

#	Games	Start				End
1	2	Tournament Mangaung Metro Chess 12-13 April 2024				Tournament Mangaung Metro Chess 12-13 April 2024
		date 2024-04-13	rnd 4	type Standard	result 1	date 2024-04-13	rnd 5	type Standard	result 1
		Opponent Matlakala, K (Kemelo)				Opponent Mqakelana, I (Iminathi)

No games found.

#	Games	Start				End

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	Matlakala ,K (Kemelo)	1	1	425	1	1	425	0	0	0	0	0	0
1	Matlakala ,K (Kemelo)	1	1034.3	1459.3	1	1146.4	1459.3	0	0	0	0	0	0
2	Mqakelana ,I (Iminathi)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mqakelana ,I (Iminathi)	1	1059.3	1484.3	1	1179.8	1484.3	0	0	0	0	0	0
3	Moosa ,S (Saarah Bibi)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Moosa ,S (Saarah Bibi)	1	1154.1	729.1	1	1200	729.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Jack, O (Onalenna)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms