Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kruger, A (Abraham Jacobus)

Chess SA id

1170314697

FIDE id

Date of birth

2017-05-19 (U10)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

32.3

Junior GPX Points

1027.4

Item	Main	Standard	Rapid	Blitz
Rating	1197.5	1183.5	1228.9	1200
Raw rating	1151.4	1109.7	1228.9	1200
Weighted rating	1197.5	1183.5	1218.2	1200
Weighted performance	1050	965.4	0	0
Floor	733.2	699.9	755.5	700
K-factor	36	40	36	36
Min/Max rating change allowed	177.7	188.6	159.1	165.8
Highest rating	1233.2 2025-07-01	1199.9 2025-02-09	1255.5 2025-07-01	1200 2025-03-01
Highest raw rating	1233.2 2025-07-01	1199.9 2025-02-09	1255.5 2025-07-01	1200 2025-03-01
Highest weighted rating	1204.5 2025-08-01	1199.9 2025-02-09	1218.2 2025-11-01	1200 2025-03-01
Highest weighted performance	1125.9 2025-07-01	975.6 2025-09-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.8	-6.5	0	0
New rating	1193.7	1177	1228.9	1200
Analysis
Rating	1197.5	1183.5	1228.9	1200
Raw rating	1151.4	1109.7	1228.9	1200
Weighted rating	1197.5	1183.5	1218.2
Weighted performance	1050	965.4	0
K-factor	36	40	36	36
Floor	733.2	699.9	755.5	700
Max/Min rating change allowed	177.7	188.6	159.1	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	1151.4	1109.7	1228.9	1200
New weighted rating	1193.7	1177	1219.7	1200
New weighted performance	1043.8	959.6	0	0
Temp new rating	1193.7	1177	1228.9	1200
Temp new rating +/-	-3.8	-6.5	0	0
Final new rating +/-	-3.8	-6.5	0	0
New rating	1193.7	1177	1228.9	1200
New K-factor	36	40	36	36
New floor	733.2	699.9	755.5	700

Item	Main	Standard	Rapid
	0	0	0
	38	28	10
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	38	28	10

Games since
	Main 38	Standard 28		Rapid 10		Blitz 0
Gender	Male
Age group	U10
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	38	14	36.84	-111.8	1215.7	1103.8
Standard	28	8	28.57	-182.1	1219.5	1037.4
Rapid	10	6	60	85	1204.8	1289.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	38	14	36.84	-111.8	1215.7	1103.8
Standard	28	8	28.57	-182.1	1219.5	1037.4
Rapid	10	6	60	85	1204.8	1289.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1151.4	1109.7	1228.9	1200
2025-09-30	1182.9	1144.1	1255.5	1200
2025-09-01	1182.9	1144.1	1255.5	1200
2025-08-01	1233.2	1199	1255.5	1200
2025-07-01	1233.2	1198.7	1255.5	1200
2025-06-01	1195.2	1194.5	1200	1200
2025-05-01	1199.4	1199.3	1200	1200
2025-04-01	1196.7	1196.2	1200	1200
2025-03-01	1198.4	1198.4	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	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

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Heidedal Chess 25 October 2025 (C)	2025-10-25	2025-10-25	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
2	11th Piet van Zyl Chess Festival 2025 (B)	2025-10-10	2025-10-11	Standard	Mangaung (FMB)	5	4	1	Yes	Analysis
3	Free State Closed 2025 (U10 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
4	Primary School Chess 07 June 2025 (Grade 2+3)	2025-06-06	2025-06-06	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
5	Spartan Bishops Championships Elite 2025 (U10)	2025-05-23	2025-05-23	Standard	Frances Baard (NCF)	5	4	0	Yes	Analysis
6	Mangaung Metro Chess 9-10 May 2025 (C)	2025-05-09	2025-05-10	Standard	Mangaung (FMB)	5	5	2.5	Yes	Analysis
7	Mangaung Metro Chess 7-8 March 2025 (C)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
8	Mangaung Metro Chess 7-8 February 2025 (C)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Heidedal Chess 25 October 2025 (C)	2025-10-25	2025-10-25	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
2	11th Piet van Zyl Chess Festival 2025 (B)	2025-10-10	2025-10-11	Standard	Mangaung (FMB)	5	4	1	Yes	Analysis
3	Free State Closed 2025 (U10 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
4	Primary School Chess 07 June 2025 (Grade 2+3)	2025-06-06	2025-06-06	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
5	Spartan Bishops Championships Elite 2025 (U10)	2025-05-23	2025-05-23	Standard	Frances Baard (NCF)	5	4	0	Yes	Analysis
6	Mangaung Metro Chess 9-10 May 2025 (C)	2025-05-09	2025-05-10	Standard	Mangaung (FMB)	5	5	2.5	Yes	Analysis
7	Mangaung Metro Chess 7-8 March 2025 (C)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
8	Mangaung Metro Chess 7-8 February 2025 (C)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Primary School Chess 07 June 2025				Tournament Primary School Chess 07 June 2025
		date 2025-06-06	rnd 1	type Rapid	result 1	date 2025-06-06	rnd 3	type Rapid	result 1
		Opponent Molatole, S (Sihle)				Opponent Tsubella, N (Naledi)
2	2	Tournament Mangaung Metro Chess 9-10 May 2025				Tournament Mangaung Metro Chess 9-10 May 2025
		date 2025-05-09	rnd 2	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 0.5
		Opponent Dauds, L (Leandro)				Opponent Judeel, H (Handre)
3	2	Tournament Mangaung Metro Chess 7-8 February 2025				Tournament Mangaung Metro Chess 7-8 February 2025
		date 2025-02-07	rnd 2	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Motlhalane, A (Amohelang)				Opponent Moahluli, K (Kananelo)

#	Games	Start				End
1	2	Tournament Mangaung Metro Chess 9-10 May 2025				Tournament Mangaung Metro Chess 9-10 May 2025
		date 2025-05-09	rnd 2	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 0.5
		Opponent Dauds, L (Leandro)				Opponent Judeel, H (Handre)
2	2	Tournament Mangaung Metro Chess 7-8 February 2025				Tournament Mangaung Metro Chess 7-8 February 2025
		date 2025-02-07	rnd 2	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Motlhalane, A (Amohelang)				Opponent Moahluli, K (Kananelo)
3	1	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-14	rnd 2	type Standard	result 1	date 2025-08-14	rnd 2	type Standard	result 1
		Opponent Herselman, E (Ewald Conrad)				Opponent Herselman, E (Ewald Conrad)

#	Games	Start				End
1	3	Tournament Primary School Chess 07 June 2025				Tournament Primary School Chess 07 June 2025
		date 2025-06-06	rnd 1	type Rapid	result 1	date 2025-06-06	rnd 3	type Rapid	result 1
		Opponent Molatole, S (Sihle)				Opponent Tsubella, N (Naledi)
2	1	Tournament Primary School Chess 07 June 2025				Tournament Primary School Chess 07 June 2025
		date 2025-06-06	rnd 5	type Rapid	result 1	date 2025-06-06	rnd 5	type Rapid	result 1
		Opponent Blake, E (Elske)				Opponent Blake, E (Elske)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Primary School Chess 07 June 2025				Tournament Primary School Chess 07 June 2025
		date 2025-06-06	rnd 1	type Rapid	result 1	date 2025-06-06	rnd 3	type Rapid	result 1
		Opponent Molatole, S (Sihle)				Opponent Tsubella, N (Naledi)
2	2	Tournament Mangaung Metro Chess 7-8 February 2025				Tournament Mangaung Metro Chess 7-8 February 2025
		date 2025-02-07	rnd 2	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Motlhalane, A (Amohelang)				Opponent Moahluli, K (Kananelo)
3	1	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-14	rnd 2	type Standard	result 1	date 2025-08-14	rnd 2	type Standard	result 1
		Opponent Herselman, E (Ewald Conrad)				Opponent Herselman, E (Ewald Conrad)

#	Games	Start				End
1	2	Tournament Mangaung Metro Chess 7-8 February 2025				Tournament Mangaung Metro Chess 7-8 February 2025
		date 2025-02-07	rnd 2	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Motlhalane, A (Amohelang)				Opponent Moahluli, K (Kananelo)
2	1	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-14	rnd 2	type Standard	result 1	date 2025-08-14	rnd 2	type Standard	result 1
		Opponent Herselman, E (Ewald Conrad)				Opponent Herselman, E (Ewald Conrad)
3	1	Tournament Mangaung Metro Chess 9-10 May 2025				Tournament Mangaung Metro Chess 9-10 May 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Herselman, E (Ewald Conrad)				Opponent Herselman, E (Ewald Conrad)

#	Games	Start				End
1	3	Tournament Primary School Chess 07 June 2025				Tournament Primary School Chess 07 June 2025
		date 2025-06-06	rnd 1	type Rapid	result 1	date 2025-06-06	rnd 3	type Rapid	result 1
		Opponent Molatole, S (Sihle)				Opponent Tsubella, N (Naledi)
2	1	Tournament Primary School Chess 07 June 2025				Tournament Primary School Chess 07 June 2025
		date 2025-06-06	rnd 5	type Rapid	result 1	date 2025-06-06	rnd 5	type Rapid	result 1
		Opponent Blake, E (Elske)				Opponent Blake, E (Elske)

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	Bosch ,E (Evan)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Bosch ,E (Evan)	3	1241.5	816.5	3	1242.7	816.5	0	0	0	0	0	0
2	Fourie ,E (Ethan)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Fourie ,E (Ethan)	3	1256	831	3	1215	831	0	0	0	0	0	0
3	Herselman ,E (Ewald Conrad)	2	2	425	2	2	425	0	0	0	0	0	0
3	Herselman ,E (Ewald Conrad)	2	1184.3	1609.3	2	1183.2	1609.3	0	0	0	0	0	0
4	Nchake ,K (Khalalelo)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Nchake ,K (Khalalelo)	2	1162.1	737.1	2	1213.2	737.1	0	0	0	0	0	0
5	Judeel ,H (Handre)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
5	Judeel ,H (Handre)	2	1229	1016.5	1	1200	1229	1	1291.5	804	0	0	0
6	Du Toit ,R (Reneiro)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Du Toit ,R (Reneiro)	2	1213.3	788.3	1	1202.7	788.3	1	1199.8	788.3	0	0	0
7	Moahluli ,K (Kananelo)	2	2	425	1	1	425	1	1	425	0	0	0
7	Moahluli ,K (Kananelo)	2	1149.1	1574.1	1	1180.6	1574.1	1	1149.4	1574.1	0	0	0
8	Motlhalane ,A (Amohelang)	1	1	425	1	1	425	0	0	0	0	0	0
8	Motlhalane ,A (Amohelang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Wittes ,N (Nkosinathi)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Wittes ,N (Nkosinathi)	1	1245.3	820.3	1	1220.6	820.3	0	0	0	0	0	0
10	Williams ,S (Shmuel)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Williams ,S (Shmuel)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Kruger, A (Abraham Jacobus)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms