Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ackeer, J (Jonathan)

Chess SA id

1100300937

FIDE id

Date of birth

2010-12-29 (U16)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-06-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1249.5	1257.1	1200	1200
Raw rating	1249.5	1257.1	1200	1200
Weighted rating	1247.2	1254.6	1200	1200
Weighted performance	0	0	0	0
Floor	755.2	766.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	154.5	152.9	165.8	165.8
Highest rating	1450.1 2024-03-01	1448.3 2024-03-01	1200 2024-04-01	1200 2024-04-01
Highest raw rating	1255.2 2024-06-01	1266.8 2024-06-01	1200 2024-04-01	1200 2024-04-01
Highest weighted rating	1255.2 2024-10-01	1266.8 2024-10-01	1200 2024-04-01	1200 2024-04-01
Highest weighted performance	1450.1 2024-03-01	1448.3 2024-03-01	1200 2024-04-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1249.5	1257.1	1200	1200
Analysis
Rating	1249.5	1257.1	1200	1200
Raw rating	1249.5	1257.1	1200	1200
Weighted rating	1247.2	1254.6	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	755.2	766.8	700	700
Max/Min rating change allowed	154.5	152.9	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	1249.5	1257.1	1200	1200
New weighted rating	1248	1255.5	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1249.5	1257.1	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1249.5	1257.1	1200	1200
New K-factor	36	36	36	36
New floor	755.2	766.8	700	700

Item	Main	Standard
	0	0
	0	0
	15	15
	0	0
	0	0
	0	0
History	15	15

Games since
	Main 15	Standard 15		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
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	15	10	66.67	141.7	1180.1	1321.8
Standard	15	10	66.67	141.7	1180.1	1321.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1249.5	1257.1	1200	1200
2025-09-01	1249.5	1257.1	1200	1200
2025-08-01	1249.5	1257.1	1200	1200
2025-07-01	1249.5	1257.1	1200	1200
2025-06-01	1249.5	1257.1	1200	1200
2025-05-01	1249.5	1257.1	1200	1200
2025-04-01	1249.5	1257.1	1200	1200
2025-03-01	1249.5	1257.1	1200	1200
2025-02-01	1249.5	1257.1	1200	1200
2025-01-01	1249.5	1257.1	1200	1200
2024-12-01	1249.5	1257.1	1200	1200
2024-11-01	1249.5	1257.1	1200	1200
2024-10-01	1249.5	1257.1	1200	1200
2024-09-01	1249.5	1257.1	1200	1200
2024-08-01	1249.5	1257.1	1200	1200
2024-07-01	1249.5	1257.1	1200	1200
2024-06-01	1255.2	1266.8	1200	1200
2024-08-01	1249.5	1259.2	1200	1200
2024-04-01	1249.5	1259.2	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	5th BC Trails 2024 (U14A)	2024-08-17	2024-08-17	Standard	Buffalo City (EBC)	5	0	0	No	Analysis
2	4th BC Trials 2024 (U14A)	2024-06-08	2024-06-08	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
3	3rd BC Trials 2024 (U14A)	2024-05-11	2024-05-11	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
4	2nd BC Trials 2024 (U14B)	2024-03-09	2024-03-09	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament 4th BC Trials 2024				Tournament 4th BC Trials 2024
		date 2024-06-08	rnd 3	type Standard	result 1	date 2024-06-08	rnd 5	type Standard	result 1
		Opponent Thulo, K (Kananelo)				Opponent Odunze, S (Samuel)
2	3	Tournament 2nd BC Trials 2024				Tournament 3rd BC Trials 2024
		date 2024-03-09	rnd 4	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Ndlebe, I (Ivile)				Opponent Hlela, Z (Zimi)
3	2	Tournament 3rd BC Trials 2024				Tournament 3rd BC Trials 2024
		date 2024-05-11	rnd 4	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Balfour, O (Omeleza)				Opponent Mafukidze, A (Arnold)

#	Games	Start				End
1	3	Tournament 4th BC Trials 2024				Tournament 4th BC Trials 2024
		date 2024-06-08	rnd 3	type Standard	result 1	date 2024-06-08	rnd 5	type Standard	result 1
		Opponent Thulo, K (Kananelo)				Opponent Odunze, S (Samuel)
2	3	Tournament 2nd BC Trials 2024				Tournament 3rd BC Trials 2024
		date 2024-03-09	rnd 4	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Ndlebe, I (Ivile)				Opponent Hlela, Z (Zimi)
3	2	Tournament 3rd BC Trials 2024				Tournament 3rd BC Trials 2024
		date 2024-05-11	rnd 4	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Balfour, O (Omeleza)				Opponent Mafukidze, A (Arnold)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 4th BC Trials 2024				Tournament 4th BC Trials 2024
		date 2024-06-08	rnd 3	type Standard	result 1	date 2024-06-08	rnd 5	type Standard	result 1
		Opponent Thulo, K (Kananelo)				Opponent Odunze, S (Samuel)
2	3	Tournament 2nd BC Trials 2024				Tournament 3rd BC Trials 2024
		date 2024-03-09	rnd 4	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Ndlebe, I (Ivile)				Opponent Hlela, Z (Zimi)
3	2	Tournament 3rd BC Trials 2024				Tournament 3rd BC Trials 2024
		date 2024-05-11	rnd 4	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Balfour, O (Omeleza)				Opponent Mafukidze, A (Arnold)

#	Games	Start				End
1	3	Tournament 4th BC Trials 2024				Tournament 4th BC Trials 2024
		date 2024-06-08	rnd 3	type Standard	result 1	date 2024-06-08	rnd 5	type Standard	result 1
		Opponent Thulo, K (Kananelo)				Opponent Odunze, S (Samuel)
2	3	Tournament 2nd BC Trials 2024				Tournament 3rd BC Trials 2024
		date 2024-03-09	rnd 4	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Ndlebe, I (Ivile)				Opponent Hlela, Z (Zimi)
3	2	Tournament 3rd BC Trials 2024				Tournament 3rd BC Trials 2024
		date 2024-05-11	rnd 4	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Balfour, O (Omeleza)				Opponent Mafukidze, A (Arnold)

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	Tembo ,T (Tumi)	1	1	425	1	1	425	0	0	0	0	0	0
1	Tembo ,T (Tumi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Kwelani ,A (Amvuyele)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Kwelani ,A (Amvuyele)	1	1194.8	769.8	1	1230.3	769.8	0	0	0	0	0	0
3	Ndlebe ,I (Ivile)	1	1	425	1	1	425	0	0	0	0	0	0
3	Ndlebe ,I (Ivile)	1	1140.6	1565.6	1	1128.6	1565.6	0	0	0	0	0	0
4	Mantyoyi ,Z (Zingce)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mantyoyi ,Z (Zingce)	1	1179.4	1604.4	1	1174.8	1604.4	0	0	0	0	0	0
5	Mafukidze ,A (Arnold)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mafukidze ,A (Arnold)	1	1315.4	1740.4	1	1299.8	1740.4	0	0	0	0	0	0
6	Marange ,M (Michael)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Marange ,M (Michael)	1	1138	713	1	1130	713	0	0	0	0	0	0
7	Thulo ,K (Kananelo)	1	1	425	1	1	425	0	0	0	0	0	0
7	Thulo ,K (Kananelo)	1	1045.1	1470.1	1	1053.6	1470.1	0	0	0	0	0	0
8	Balfour ,O (Omeleza)	1	1	425	1	1	425	0	0	0	0	0	0
8	Balfour ,O (Omeleza)	1	1135.1	1560.1	1	1143.3	1560.1	0	0	0	0	0	0
9	Peter ,A (Achuma)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Peter ,A (Achuma)	1	1179.1	754.1	1	1200	754.1	0	0	0	0	0	0
10	Augustine ,K (Kallen)	1	1	425	1	1	425	0	0	0	0	0	0
10	Augustine ,K (Kallen)	1	1215.3	1640.3	1	1218	1640.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Ackeer, J (Jonathan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms