Chess South Africa Ratings Database

PLAYER PAGE

Personal

Erasmus, J (Jacobus)

Chess SA id

1160303473

FIDE id

Date of birth

2016-08-26 (U12)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1384.6	1382.3	1200	1200
Raw rating	1384.6	1382.3	1200	1200
Weighted rating	1342	1340.4	1200	1200
Weighted performance	1290.1	1290.3	0	0
Floor	948.5	949.6	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	127.5	127.9	165.8	165.8
Highest rating	1448.5 2025-06-01	1449.6 2025-06-01	1200 2024-05-01	1200 2024-05-01
Highest raw rating	1448.5 2025-06-01	1449.6 2025-06-01	1200 2024-05-01	1200 2024-05-01
Highest weighted rating	1342 2026-01-01	1340.4 2026-01-01	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1448.5 2025-06-01	1449.6 2024-10-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1384.6	1382.3	1200	1200
Analysis
Rating	1384.6	1382.3	1200	1200
Raw rating	1384.6	1382.3	1200	1200
Weighted rating	1342	1340.4	1200
Weighted performance	1290.1	1290.3	0
K-factor	32	32	36	36
Floor	948.5	949.6	700	700
Max/Min rating change allowed	127.5	127.9	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	1384.6	1382.3	1200	1200
New weighted rating	1348.9	1347.2	1200	1200
New weighted performance	1281.3	1281.5	0	0
Temp new rating	1384.6	1382.3	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1384.6	1382.3	1200	1200
New K-factor	32	32	36	36
New floor	948.5	949.6	700	700

Item	Main	Standard
	0	0
	27	27
	24	24
	0	0
	0	0
	0	0
History	51	51

Games since
	Main 51	Standard 51		Rapid 0		Blitz 0
Gender	Male
Age group	U10
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2316		812		285
Male	1878		651		224
U10	160		70		26
U10 Male	137		65		24
Standard
	RSA		Province		Region
Overall	2246		846		321
Male	1822		684		253
U10	155		72		30
U10 Male	133		65		27
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	27	17.5	64.81	125.9	1287	1413
Standard	27	17.5	64.81	125.9	1287	1413
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	51	31	60.78	91.7	1253.4	1345.1
Standard	51	31	60.78	91.7	1253.4	1345.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1384.6	1382.3	1200	1200
2025-11-30	1388.8	1386.5	1200	1200
2025-11-01	1388.8	1386.5	1200	1200
2025-09-30	1388.8	1386.5	1200	1200
2025-09-01	1388.8	1386.5	1200	1200
2025-08-01	1406.1	1403.9	1200	1200
2025-07-01	1406.1	1403.9	1200	1200
2025-06-01	1448.5	1449.6	1200	1200
2025-05-01	1349.7	1352	1200	1200
2025-04-01	1297.3	1294.4	1200	1200
2025-03-01	1297.3	1294.4	1200	1200
2025-02-01	1297.3	1294.4	1200	1200
2025-01-01	1297.3	1294.4	1200	1200
2024-12-01	1297.3	1294.4	1200	1200
2024-11-01	1297.3	1294.4	1200	1200
2024-10-01	1229.1	1233.2	1200	1200
2024-09-01	1229.1	1233.2	1200	1200
2024-11-01	1219.2	1222.4	1200	1200
2024-07-01	1177.4	1172	1200	1200
2024-06-01	1177.4	1172	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

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	Gauteng Inter-Region at Emerald Resort 2025 (U10 Candidates)	2025-12-06	2025-12-07	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
2	2025 Etienne Lewis Closed Chess Tournament (U10)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	7	3.5	Yes	Analysis
3	2025 Elise Steenkamp Open Chess Tournament (Knight)	2025-06-14	2025-06-15	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	2025 Tshwane North School District CLOSED Individual Chess Championship (U9 Open)	2025-05-24	2025-05-24	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
5	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U9 Open)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
6	2025 Mid Gauteng Open Chess Tournament (U10)	2025-04-12	2025-04-12	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
7	Gauteng Top Schools 2024 (Primary Reserves)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
8	2024 Tshwane North School District Team League Finals (U9)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
9	2024 Tshwane North School District Cluster 4 & 5 Team League (U9)	2024-07-20	2024-07-20	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
10	Menlopark Open Chess Tournament 2024 (U10)	2024-07-13	2024-07-13	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
11	District 3 Cluster 4 and 5 Individuals 2024 (U9)	2024-05-04	2024-05-04	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-24	rnd 3	type Standard	result 1
		Opponent De Kamper, D (Darius)				Opponent Mostert, M (Matthew)
2	5	Tournament 2024 Tshwane North School District Team League Finals				Tournament Gauteng Top Schools 2024
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-10-04	rnd 3	type Standard	result 1
		Opponent De Klerk, E (Elri)				Opponent Mathaba, J (Junior)
3	3	Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship				Tournament 2025 Elise Steenkamp Open Chess Tournament
		date 2025-05-24	rnd 5	type Standard	result 1	date 2025-06-14	rnd 2	type Standard	result 1
		Opponent Wait, M (Matthew)				Opponent Westermann, Z (Zelri)

#	Games	Start				End
1	6	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-24	rnd 3	type Standard	result 1
		Opponent De Kamper, D (Darius)				Opponent Mostert, M (Matthew)
2	5	Tournament 2024 Tshwane North School District Team League Finals				Tournament Gauteng Top Schools 2024
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-10-04	rnd 3	type Standard	result 1
		Opponent De Klerk, E (Elri)				Opponent Mathaba, J (Junior)
3	3	Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship				Tournament 2025 Elise Steenkamp Open Chess Tournament
		date 2025-05-24	rnd 5	type Standard	result 1	date 2025-06-14	rnd 2	type Standard	result 1
		Opponent Wait, M (Matthew)				Opponent Westermann, Z (Zelri)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-24	rnd 3	type Standard	result 1
		Opponent De Kamper, D (Darius)				Opponent Mostert, M (Matthew)
2	5	Tournament 2024 Tshwane North School District Team League Finals				Tournament Gauteng Top Schools 2024
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-10-04	rnd 3	type Standard	result 1
		Opponent De Klerk, E (Elri)				Opponent Mathaba, J (Junior)
3	3	Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship				Tournament 2025 Elise Steenkamp Open Chess Tournament
		date 2025-05-24	rnd 5	type Standard	result 1	date 2025-06-14	rnd 2	type Standard	result 1
		Opponent Wait, M (Matthew)				Opponent Westermann, Z (Zelri)

#	Games	Start				End
1	6	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-24	rnd 3	type Standard	result 1
		Opponent De Kamper, D (Darius)				Opponent Mostert, M (Matthew)
2	5	Tournament 2024 Tshwane North School District Team League Finals				Tournament Gauteng Top Schools 2024
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-10-04	rnd 3	type Standard	result 1
		Opponent De Klerk, E (Elri)				Opponent Mathaba, J (Junior)
3	3	Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship				Tournament 2025 Elise Steenkamp Open Chess Tournament
		date 2025-05-24	rnd 5	type Standard	result 1	date 2025-06-14	rnd 2	type Standard	result 1
		Opponent Wait, M (Matthew)				Opponent Westermann, Z (Zelri)

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	Krog ,R (Ruan)	2	1	0	2	1	0	0	0	0	0	0	0
1	Krog ,R (Ruan)	2	1163.7	1163.7	2	1176.6	1163.7	0	0	0	0	0	0
2	Dialer ,F (Franz)	2	2	425	2	2	425	0	0	0	0	0	0
2	Dialer ,F (Franz)	2	1219.1	1644.1	2	1222.7	1644.1	0	0	0	0	0	0
3	Viljoen ,J (Jayden Johan)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Viljoen ,J (Jayden Johan)	2	1504.2	1079.2	2	1505.3	1079.2	0	0	0	0	0	0
4	Swart ,E (Eben)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Swart ,E (Eben)	2	1284.8	859.8	2	1276.2	859.8	0	0	0	0	0	0
5	Westermann ,Z (Zelri)	2	2	425	2	2	425	0	0	0	0	0	0
5	Westermann ,Z (Zelri)	2	1287.4	1712.4	2	1290.1	1712.4	0	0	0	0	0	0
6	Prinsloo ,E (Elsje)	1	1	425	1	1	425	0	0	0	0	0	0
6	Prinsloo ,E (Elsje)	1	1136.9	1561.9	1	1121.6	1561.9	0	0	0	0	0	0
7	Dekker ,P (Pd)	1	1	425	1	1	425	0	0	0	0	0	0
7	Dekker ,P (Pd)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Sahoo ,S (Shaurya)	1	1	425	1	1	425	0	0	0	0	0	0
8	Sahoo ,S (Shaurya)	1	1532.4	1957.4	1	1531.8	1957.4	0	0	0	0	0	0
9	Malikebu ,S (Solomzi)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Malikebu ,S (Solomzi)	1	1281.2	856.2	1	1263.1	856.2	0	0	0	0	0	0
10	Mostert ,M (Matthew)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mostert ,M (Matthew)	1	1278.4	1703.4	1	1273.8	1703.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Erasmus, J (Jacobus)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms