Chess South Africa Ratings Database

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Personal

Jacobus, A (Altavio)

Chess SA id

1130301884

FIDE id

Date of birth

2013-09-04 (U14)

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

20.1

Junior GPX Points

952.5

Item	Main	Standard	Rapid	Blitz
Rating	1155.5	1153.4	1211.8	1200
Raw rating	1127.1	1125.4	1199.9	1200
Weighted rating	1155.5	1153.4	1211.8	1200
Weighted performance	969.7	0	0	0
Floor	700	700	720.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	184	184.4	165.8	165.8
Highest rating	1200 2024-11-01	1200 2024-11-01	1220.7 2025-02-01	1200 2024-05-01
Highest raw rating	1200 2024-04-01	1200 2024-04-01	1220.7 2025-02-01	1200 2024-05-01
Highest weighted rating	1200 2024-11-01	1200 2024-11-01	1211.8 2025-11-01	1200 2024-05-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.9	-2.9	-0.6	0
New rating	1152.6	1150.5	1211.2	1200
Analysis
Rating	1155.5	1153.4	1211.8	1200
Raw rating	1127.1	1125.4	1199.9	1200
Weighted rating	1155.5	1153.4	1211.8
Weighted performance	969.7	0	0
K-factor	36	36	36	36
Floor	700	700	720.7	700
Max/Min rating change allowed	184	184.4	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	1127.1	1125.4	1199.9	1200
New weighted rating	1152.6	1150.5	1211.2	1200
New weighted performance	963.8	0	0	0
Temp new rating	1152.6	1150.5	1211.2	1200
Temp new rating +/-	-2.9	-2.9	-0.6	0
Final new rating +/-	-2.9	-2.9	-0.6	0
New rating	1152.6	1150.5	1211.2	1200
New K-factor	36	36	36	36
New floor	700	700	720.7	700

Item	Main	Standard	Rapid
	0	0	0
	25	16	9
	5	5	0
	0	0	0
	0	0	0
	0	0	0
History	30	21	9

Games since
	Main 30	Standard 21		Rapid 9		Blitz 0
Gender	Male
Age group	U14
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	25	7.5	30	-170	1204.8	1034.8
Standard	16	2.5	15.62	-292.2	1210.6	918.4
Rapid	9	5	55.56	47.2	1194.6	1241.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	30	9	30	-170	1192.8	1022.8
Standard	21	4	19.05	-263.1	1192	928.9
Rapid	9	5	55.56	47.2	1194.6	1241.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1127.1	1125.4	1199.9	1200
2025-09-30	1130.4	1125.4	1220.7	1200
2025-09-01	1130.4	1125.4	1220.7	1200
2025-08-01	1165.7	1164.3	1220.7	1200
2025-07-01	1165.7	1164.3	1220.7	1200
2025-06-01	1165	1163.3	1220.7	1200
2025-05-01	1167.5	1166.2	1220.7	1200
2025-04-01	1167.5	1165.9	1220.7	1200
2025-03-01	1163.8	1161.3	1220.7	1200
2025-02-01	1175.8	1168.3	1220.7	1200
2025-01-01	1152	1151.2	1200	1200
2024-12-01	1152	1151.2	1200	1200
2024-11-01	1152	1151.2	1200	1200
2024-10-01	1152	1151.2	1200	1200
2024-09-01	1152	1151.2	1200	1200
2024-08-01	1152	1151.2	1200	1200
2024-07-01	1152	1151.2	1200	1200
2024-09-01	1152	1151.2	1200	1200
2024-05-01	1152	1151.2	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 (B)	2025-10-25	2025-10-25	Rapid	Mangaung (FMB)	5	4	1.5	Yes	Analysis
2	Free State Closed 2025 (U14 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	4	0.5	Yes	Analysis
3	Mangaung Metro Chess 9-10 May 2025 (B)	2025-05-09	2025-05-10	Standard	Mangaung (FMB)	5	2	0	Yes	Analysis
4	Mangaung Metro Chess 7-8 March 2025 (B)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
5	Mangaung Metro Chess 7-8 February 2025 (B)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	5	0	Yes	Analysis
6	Mangaung Metro Chess 25 January 2025 (C)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	5	3.5	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 (B)	2025-10-25	2025-10-25	Rapid	Mangaung (FMB)	5	4	1.5	Yes	Analysis
2	Free State Closed 2025 (U14 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	4	0.5	Yes	Analysis
3	Mangaung Metro Chess 9-10 May 2025 (B)	2025-05-09	2025-05-10	Standard	Mangaung (FMB)	5	2	0	Yes	Analysis
4	Mangaung Metro Chess 7-8 March 2025 (B)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
5	Mangaung Metro Chess 7-8 February 2025 (B)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	5	0	Yes	Analysis
6	Mangaung Metro Chess 25 January 2025 (C)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	5	3.5	Yes	Analysis
7	Mangaung Metro Chess 12-13 April 2024 (C+D)	2024-04-12	2024-04-13	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Mangaung Metro Chess 12-13 April 2024				Tournament Mangaung Metro Chess 25 January 2025
		date 2024-04-13	rnd 5	type Standard	result 1	date 2025-01-25	rnd 4	type Rapid	result 0.5
		Opponent Du Toit, D (Dylan Peter)				Opponent Mcpherson, L (Lilly)
2	2	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-03-07	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Alexander, R (Reagan Gretchen)				Opponent Du Toit, R (Reneiro)
3	1	Tournament Heidedal Chess 25 October 2025				Tournament Heidedal Chess 25 October 2025
		date 2025-10-25	rnd 5	type Rapid	result 1	date 2025-10-25	rnd 5	type Rapid	result 1
		Opponent Dauds, L (Leandro)				Opponent Dauds, L (Leandro)

#	Games	Start				End
1	2	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-03-07	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Alexander, R (Reagan Gretchen)				Opponent Du Toit, R (Reneiro)
2	1	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-15	rnd 3	type Standard	result 0.5	date 2025-08-15	rnd 3	type Standard	result 0.5
		Opponent Maseko, L (Letlotlo)				Opponent Maseko, L (Letlotlo)
3	1	Tournament Mangaung Metro Chess 12-13 April 2024				Tournament Mangaung Metro Chess 12-13 April 2024
		date 2024-04-13	rnd 5	type Standard	result 1	date 2024-04-13	rnd 5	type Standard	result 1
		Opponent Du Toit, D (Dylan Peter)				Opponent Du Toit, D (Dylan Peter)

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 25 January 2025				Tournament Mangaung Metro Chess 25 January 2025
		date 2025-01-25	rnd 1	type Rapid	result 1	date 2025-01-25	rnd 4	type Rapid	result 0.5
		Opponent Nwafor, C (Chibuikem)				Opponent Mcpherson, L (Lilly)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 12-13 April 2024				Tournament Mangaung Metro Chess 25 January 2025
		date 2024-04-13	rnd 5	type Standard	result 1	date 2025-01-25	rnd 3	type Rapid	result 1
		Opponent Du Toit, D (Dylan Peter)				Opponent Strydom, L (Luan)
2	2	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-03-07	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Alexander, R (Reagan Gretchen)				Opponent Du Toit, R (Reneiro)

#	Games	Start				End
1	2	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-03-07	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Alexander, R (Reagan Gretchen)				Opponent Du Toit, R (Reneiro)
2	1	Tournament Mangaung Metro Chess 12-13 April 2024				Tournament Mangaung Metro Chess 12-13 April 2024
		date 2024-04-13	rnd 5	type Standard	result 1	date 2024-04-13	rnd 5	type Standard	result 1
		Opponent Du Toit, D (Dylan Peter)				Opponent Du Toit, D (Dylan Peter)

#	Games	Start				End
1	3	Tournament Mangaung Metro Chess 25 January 2025				Tournament Mangaung Metro Chess 25 January 2025
		date 2025-01-25	rnd 1	type Rapid	result 1	date 2025-01-25	rnd 3	type Rapid	result 1
		Opponent Nwafor, C (Chibuikem)				Opponent Strydom, L (Luan)

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 ,S (Septimus Bowker)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Bosch ,S (Septimus Bowker)	2	1188.2	763.2	2	1152.9	763.2	0	0	0	0	0	0
2	Nwafor ,C (Chibuikem)	2	1	0	1	0	-425	1	1	425	0	0	0
2	Nwafor ,C (Chibuikem)	2	1199.6	1199.6	1	1200.1	774.6	1	1200	1624.6	0	0	0
3	Bothma ,J (Johannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Bothma ,J (Johannes)	1	1257.7	832.7	1	1238.2	832.7	0	0	0	0	0	0
4	Struwig ,A (Alex)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Struwig ,A (Alex)	1	1290.8	865.8	1	1271.6	865.8	0	0	0	0	0	0
5	Du Toit ,R (Reneiro)	1	1	425	1	1	425	0	0	0	0	0	0
5	Du Toit ,R (Reneiro)	1	1223.1	1648.1	1	1232	1648.1	0	0	0	0	0	0
6	Maseko ,L (Letlotlo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Maseko ,L (Letlotlo)	1	1217	1217	1	1219.7	1217	0	0	0	0	0	0
7	Olivier ,R (Riley)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Olivier ,R (Riley)	1	1246.1	821.1	1	1204.4	821.1	0	0	0	0	0	0
8	Sesele ,R (Reudean)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Sesele ,R (Reudean)	1	1149	724	1	1154.2	724	0	0	0	0	0	0
9	Alexander ,R (Reagan Gretchen)	1	1	425	1	1	425	0	0	0	0	0	0
9	Alexander ,R (Reagan Gretchen)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Mqakelana ,I (Iminathi)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mqakelana ,I (Iminathi)	1	1059.3	634.3	1	1179.8	634.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jacobus, A (Altavio)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms