Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, A (Apoleam)

Chess SA id

1120316744

FIDE id

Date of birth

2012-04-23 (U14)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

29.5

Junior GPX Points

1168.2

Item	Main	Standard	Rapid	Blitz
Rating	1356.5	1298.6	1271.2	1200
Raw rating	1310	1298.6	1271.2	1200
Weighted rating	1222.8	1211	1234.2	1200
Weighted performance	1356.5	0	0	0
Floor	810	798.6	807.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	141.8	144.1	149.8	165.8
Highest rating	1356.5 2025-09-30	1298.6 2025-09-30	1307.9 2025-07-01	1200 2025-03-01
Highest raw rating	1310 2025-09-30	1298.6 2025-09-30	1307.9 2025-07-01	1200 2025-03-01
Highest weighted rating	1253.4 2025-03-01	1211 2025-09-30	1225.3 2025-08-01	1200 2025-03-01
Highest weighted performance	1356.5 2025-09-30	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.5	0	0	0
New rating	1356	1298.6	1271.2	1200
Analysis
Rating	1356.5	1298.6	1271.2	1200
Raw rating	1310	1298.6	1271.2	1200
Weighted rating	1222.8	1211	1234.2
Weighted performance	1356.5	0	0
K-factor	36	36	36	36
Floor	810	798.6	807.9	700
Max/Min rating change allowed	141.8	144.1	149.8	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	1310	1298.6	1271.2	1200
New weighted rating	1230.5	1218.5	1238.3	1200
New weighted performance	1356	0	0	0
Temp new rating	1356	1298.6	1271.2	1200
Temp new rating +/-	-0.5	0	0	0
Final new rating +/-	-0.5	0	0	0
New rating	1356	1298.6	1271.2	1200
New K-factor	36	36	36	36
New floor	810	798.6	807.9	700

Item	Main	Standard	Rapid
	0	0	0
	39	20	19
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	39	20	19

Games since
	Main 39	Standard 20		Rapid 19		Blitz 0
Gender	Male
Age group	U14
Region	West Coast (WCU)
Province	Western Cape (WC)
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	39	22.5	57.69	65.4	1239.8	1305.2
Standard	20	11	55	42.5	1247.1	1289.6
Rapid	19	11.5	60.53	89.5	1232.1	1321.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	39	22.5	57.69	65.4	1239.8	1305.2
Standard	20	11	55	42.5	1247.1	1289.6
Rapid	19	11.5	60.53	89.5	1232.1	1321.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1310	1298.6	1271.2	1200
2025-09-01	1266.1	1245.3	1271.2	1200
2025-08-01	1233.1	1199.6	1271.2	1200
2025-07-01	1253.4	1199.6	1307.9	1200
2025-06-01	1227.7	1199	1283.2	1200
2025-05-01	1201.1	1199.6	1226.1	1200
2025-04-01	1200.1	1197.2	1226.1	1200
2025-03-01	1214.2	1200	1226.1	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
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2023-11-01	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	Rooibos Open 2025 (Junior)	2025-08-30	2025-08-30	Standard	West Coast (WCU)	5	5	4	Yes	Analysis
2	Western Cape Women�s Championship 2025 (U14)	2025-08-09	2025-08-09	Standard	West Coast (WCU)	5	4	3	Yes	Analysis
3	Upper West Coast Top Schools 2025 (U13)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
4	Shakirah Ruiters Youth Tournament 2025 (Advanced)	2025-06-16	2025-06-16	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
5	Brenton Cupido West Coast Development Championship 2025 (U13 Boys)	2025-05-24	2025-05-24	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
6	West Coast And Mykonos Open 2025 (U14)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
7	West Coast Schools Chess Prestige 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
8	Upper West Coast Presrige 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Rooibos Open 2025 (Junior)	2025-08-30	2025-08-30	Standard	West Coast (WCU)	5	5	4	Yes	Analysis
2	Western Cape Women�s Championship 2025 (U14)	2025-08-09	2025-08-09	Standard	West Coast (WCU)	5	4	3	Yes	Analysis
3	Upper West Coast Top Schools 2025 (U13)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
4	Shakirah Ruiters Youth Tournament 2025 (Advanced)	2025-06-16	2025-06-16	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
5	Brenton Cupido West Coast Development Championship 2025 (U13 Boys)	2025-05-24	2025-05-24	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
6	West Coast And Mykonos Open 2025 (U14)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
7	West Coast Schools Chess Prestige 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
8	Upper West Coast Presrige 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Western Cape Women�s Championship 2025				Tournament Rooibos Open 2025
		date 2025-08-09	rnd 2	type Standard	result 1	date 2025-08-30	rnd 2	type Standard	result 1
		Opponent Engeland, K (Keaton)				Opponent Botha, R (Randzu)
2	5	Tournament West Coast And Mykonos Open 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-05-03	rnd 4	type Standard	result 1	date 2025-05-24	rnd 3	type Rapid	result 1
		Opponent Vermeulen, P (Peigh-Lene)				Opponent Van Reenen, J (Jaydee)
3	3	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 3	type Rapid	result 0.5	date 2025-06-16	rnd 5	type Rapid	result 1
		Opponent Hermans, J (Joel)				Opponent Horse, M (Mikyle)

#	Games	Start				End
1	5	Tournament Western Cape Women�s Championship 2025				Tournament Rooibos Open 2025
		date 2025-08-09	rnd 2	type Standard	result 1	date 2025-08-30	rnd 2	type Standard	result 1
		Opponent Engeland, K (Keaton)				Opponent Botha, R (Randzu)
2	2	Tournament Rooibos Open 2025				Tournament Rooibos Open 2025
		date 2025-08-30	rnd 4	type Standard	result 1	date 2025-08-30	rnd 5	type Standard	result 1
		Opponent Horse, M (Mikyle)				Opponent Varadharajan, A (Akilan)
3	2	Tournament West Coast And Mykonos Open 2025				Tournament West Coast And Mykonos Open 2025
		date 2025-05-03	rnd 4	type Standard	result 1	date 2025-05-04	rnd 5	type Standard	result 1
		Opponent Vermeulen, P (Peigh-Lene)				Opponent Magerman, L (Liam)

#	Games	Start				End
1	3	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 3	type Rapid	result 0.5	date 2025-06-16	rnd 5	type Rapid	result 1
		Opponent Hermans, J (Joel)				Opponent Horse, M (Mikyle)
2	3	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-05-24	rnd 3	type Rapid	result 1
		Opponent Cloete, D (Devonte)				Opponent Van Reenen, J (Jaydee)
3	2	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Van Rooi, D (Dimitri)				Opponent Horse, T (Tihano)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Western Cape Women�s Championship 2025				Tournament Rooibos Open 2025
		date 2025-08-09	rnd 2	type Standard	result 1	date 2025-08-30	rnd 2	type Standard	result 1
		Opponent Engeland, K (Keaton)				Opponent Botha, R (Randzu)
2	5	Tournament West Coast And Mykonos Open 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-05-03	rnd 4	type Standard	result 1	date 2025-05-24	rnd 3	type Rapid	result 1
		Opponent Vermeulen, P (Peigh-Lene)				Opponent Van Reenen, J (Jaydee)
3	2	Tournament Rooibos Open 2025				Tournament Rooibos Open 2025
		date 2025-08-30	rnd 4	type Standard	result 1	date 2025-08-30	rnd 5	type Standard	result 1
		Opponent Horse, M (Mikyle)				Opponent Varadharajan, A (Akilan)

#	Games	Start				End
1	5	Tournament Western Cape Women�s Championship 2025				Tournament Rooibos Open 2025
		date 2025-08-09	rnd 2	type Standard	result 1	date 2025-08-30	rnd 2	type Standard	result 1
		Opponent Engeland, K (Keaton)				Opponent Botha, R (Randzu)
2	2	Tournament Rooibos Open 2025				Tournament Rooibos Open 2025
		date 2025-08-30	rnd 4	type Standard	result 1	date 2025-08-30	rnd 5	type Standard	result 1
		Opponent Horse, M (Mikyle)				Opponent Varadharajan, A (Akilan)
3	2	Tournament West Coast And Mykonos Open 2025				Tournament West Coast And Mykonos Open 2025
		date 2025-05-03	rnd 4	type Standard	result 1	date 2025-05-04	rnd 5	type Standard	result 1
		Opponent Vermeulen, P (Peigh-Lene)				Opponent Magerman, L (Liam)

#	Games	Start				End
1	3	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-05-24	rnd 3	type Rapid	result 1
		Opponent Cloete, D (Devonte)				Opponent Van Reenen, J (Jaydee)
2	2	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 4	type Rapid	result 1	date 2025-06-16	rnd 5	type Rapid	result 1
		Opponent Cloete, J (Jhonrcio)				Opponent Horse, M (Mikyle)
3	2	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Van Rooi, D (Dimitri)				Opponent Horse, T (Tihano)

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	Horse ,T (Tihano)	4	3	212.5	2	1	0	2	2	425	0	0	0
1	Horse ,T (Tihano)	4	1159.1	1371.6	2	1169.8	1159.1	2	1165.7	1584.1	0	0	0
2	Horse ,M (Mikyle)	2	2	425	1	1	425	1	1	425	0	0	0
2	Horse ,M (Mikyle)	2	1200.8	1625.8	1	1163.7	1625.8	1	1239.6	1625.8	0	0	0
3	Benjamin ,E (Entwan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Benjamin ,E (Entwan)	2	1385.6	960.6	1	1289.6	960.6	1	1369.5	960.6	0	0	0
4	Willemse ,Z (Zeke)	2	0	-425	0	0	0	2	0	-425	0	0	0
4	Willemse ,Z (Zeke)	2	1277.4	852.4	0	0	0	2	1315.9	852.4	0	0	0
5	Banha ,J (Jordan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Banha ,J (Jordan)	1	1283.8	858.8	1	1200	858.8	0	0	0	0	0	0
6	Botha ,R (Randzu)	1	1	425	1	1	425	0	0	0	0	0	0
6	Botha ,R (Randzu)	1	1113	1538	1	1160.4	1538	0	0	0	0	0	0
7	Swartz ,C (Ciano)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Swartz ,C (Ciano)	1	1199.9	774.9	1	1200	774.9	0	0	0	0	0	0
8	Engeland ,K (Keaton)	1	1	425	1	1	425	0	0	0	0	0	0
8	Engeland ,K (Keaton)	1	1134.8	1559.8	1	1157.5	1559.8	0	0	0	0	0	0
9	Ruiters ,C (Cade)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ruiters ,C (Cade)	1	1542	1117	1	1523.1	1117	0	0	0	0	0	0
10	Vermeulen ,P (Peigh-Lene)	1	1	425	1	1	425	0	0	0	0	0	0
10	Vermeulen ,P (Peigh-Lene)	1	1146.9	1571.9	1	1162.9	1571.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jacobs, A (Apoleam)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms