Chess South Africa Ratings Database

PLAYER PAGE

Personal

Agulhas, J (Justin)

Chess SA id

197000339

FIDE id

Date of birth

1997-10-01 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1543.9	1513.9	1366.6	1627.5
Raw rating	1543.9	1513.9	1366.6	1627.5
Weighted rating	1532	1513.3	1366.2	1624.2
Weighted performance	1374.8	807.8	0	1491.6
Floor	1043.9	1013.9	866.6	1140.1
K-factor	32	32	36	28
Min/Max rating change allowed	101.6	106	130.8	90.2
Highest rating	1543.9 2025-09-30	1513.9 2024-02-01	1390 2018-04-01	1640.1 2024-08-01
Highest raw rating	1543.9 2025-09-30	1513.9 2024-02-01	1366.6 2024-02-01	1640.1 2024-08-01
Highest weighted rating	1532 2025-09-30	1511.6 2025-08-01	1365.1 2025-08-01	1624.2 2025-09-30
Highest weighted performance	1491.6 2019-10-01	1484.7 2019-10-01	1390 2018-04-01	1607.6 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1543.9	1513.9	1366.6	1627.5
Analysis
Rating	1543.9	1513.9	1366.6	1627.5
Raw rating	1543.9	1513.9	1366.6	1627.5
Weighted rating	1532	1513.3	1366.2
Weighted performance	1374.8	807.8	0
K-factor	32	32	36	28
Floor	1043.9	1013.9	866.6	1140.1
Max/Min rating change allowed	101.6	106	130.8	90.2
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	1543.9	1513.9	1366.6	1627.5
New weighted rating	1533.6	1513.7	1366.5	1626.1
New weighted performance	1374.2	807.3	0	1491.1
Temp new rating	1543.9	1513.9	1366.6	1627.5
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1543.9	1513.9	1366.6	1627.5
New K-factor	32	32	36	28
New floor	1043.9	1013.9	866.6	1140.1

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	13	0	0	13
	32	0	0	32
	51	5	10	36
	18	0	0	18
	17	17	0	0
History	393	195	66	132

Games since
	Main 56	Standard 5		Rapid 0		Blitz 51
Gender	Male
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	931		272		59
Male	822		231		52
Adult	343		98		19
Adult Male	322		86		18
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	91		46		11
Male	88		45		11
Adult	75		39		8
Adult Male	72		38		8


	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	13	9	69.23	163.5	1488.8	1652.3
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	13	9	69.23	163.5	1488.8	1652.3
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	221	128	57.92	67.3	1452.6	1519.9
Standard	67	35.5	52.99	25.4	1419.9	1445.3
Rapid	22	15.5	70.45	173.9	1285.8	1459.7
Blitz	132	77	58.33	70.8	1497	1567.8

Date	Main	Standard	Rapid	Blitz
2025-09-30	1543.9	1513.9	1366.6	1627.5
2025-09-01	1537.7	1513.9	1366.6	1619.1
2025-08-01	1537.7	1513.9	1366.6	1619.1
2025-07-01	1537.7	1513.9	1366.6	1616.4
2025-06-01	1533.8	1513.9	1366.6	1637
2025-05-01	1533.8	1513.9	1366.6	1637
2025-04-01	1533.8	1513.9	1366.6	1637
2025-03-01	1533.8	1513.9	1366.6	1637
2025-02-01	1533.8	1513.9	1366.6	1637
2025-01-01	1533.8	1513.9	1366.6	1637
2024-12-01	1533.8	1513.9	1366.6	1637
2024-11-01	1533.8	1513.9	1366.6	1637
2024-10-01	1533.8	1513.9	1366.6	1637
2024-09-01	1531.3	1513.9	1366.6	1640.1
2024-08-01	1531.3	1513.9	1366.6	1640.1
2024-07-01	1528.2	1513.9	1366.6	1639.8
2024-06-01	1528.2	1513.9	1366.6	1639.8
2024-08-01	1506.7	1513.9	1366.6	1577.1
2024-04-01	1501	1513.9	1366.6	1551.5
2024-03-01	1501	1513.9	1366.6	1551.5
2024-02-01	1501	1513.9	1366.6	1551.5
2024-01-01	1501	1513.9	1366.6	1551.5
2023-12-01	1495.8	1445.8	1320	1456.6
2023-11-01	1495.8	1445.8	1320	1456.6

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	Pacaltsdorp Open 2025 (Open)	2025-08-29	2025-08-29	Blitz	Eden (WEG)	7	7	5	Yes	Analysis
2	InterClub Blitz 3 2025	2025-06-12	2025-06-12	Blitz	Eden (WEG)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Pacaltsdorp Open 2025 (Open)	2025-08-29	2025-08-29	Blitz	Eden (WEG)	7	7	5	Yes	Analysis
2	InterClub Blitz 3 2025	2025-06-12	2025-06-12	Blitz	Eden (WEG)	6	6	4	Yes	Analysis
3	InterClub Blitz 4 2024	2024-09-04	2024-09-04	Blitz	Eden (WEG)	10	8	4	Yes	Analysis
4	InterClub Blitz 3 Open 2024	2024-07-18	2024-07-18	Blitz	Eden (WEG)	10	8	4	Yes	Analysis
5	InterClub Blitz 2 2024	2024-05-16	2024-05-16	Blitz	Eden (WEG)	10	8	7	Yes	Analysis
6	InterClub Blitz 1 2024	2024-04-17	2024-04-17	Blitz	Eden (WEG)	10	8	4	Yes	Analysis
7	Eden Chess Union League 2023 (Premier Division)	2023-11-11	2023-11-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
8	InterClub Blitz 2023	2023-10-11	2023-10-11	Blitz	Eden (WEG)	6	6	4	Yes	Analysis
9	Pacaltsdorp Chess Club Open 2023 (A)	2023-08-26	2023-08-26	Rapid	Eden (WEG)	6	4	2	Yes	Analysis
10	Pacaltsdorp Chess Club Open 2023 (Blitz)	2023-08-25	2023-08-25	Blitz	Eden (WEG)	6	6	4.5	Yes	Analysis
11	Knysna Oyster Festival 2023 (Open)	2023-07-01	2023-07-01	Rapid	Eden (WEG)	6	6	4	Yes	Analysis
12	InterClub Blitz 3 2023	2023-07-20	2023-07-20	Blitz	Eden (WEG)	10	8	4.5	Yes	Analysis
13	Inter Club Blitz 2 2023 (Open)	2023-06-21	2023-06-21	Blitz	Eden (WEG)	10	8	4	Yes	Analysis
14	Inter Club Blitz 1 2023	2023-05-24	2023-05-24	Blitz	Eden (WEG)	10	8	4	Yes	Analysis
15	Interclub Blitz Evening (Mossel Bay)	2022-10-26	2022-10-26	Blitz	Eden (WEG)	6	6	5	Yes	Analysis
16	Interclub Blitz Evening 2022	2022-08-11	2022-08-11	Blitz	Eden (WEG)	6	6	4	Yes	Analysis
17	Interclub Blitz Evening 2022	2022-06-08	2022-06-08	Blitz	Eden (WEG)	6	6	3.5	Yes	Analysis
18	Western Cape Club Championships 2021 (A)	2021-10-15	2021-10-17	Standard	Eden (WEG)	6	6	1.5	Yes	Analysis
19	Eden Chess League 2021 (Premier)	2021-08-14	2021-08-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis
20	Eden Closed 2021 (Men)	2021-03-26	2021-03-28	Standard	Eden (WEG)	6	6	3	Yes	Analysis
21	2020 Boardwalk Pearson Open Chess Festival (Open)	2020-03-14	2020-03-15	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
22	Quadrangular Chess Tournament First Leg 2020	2020-02-12	2020-02-12	Blitz	Eden (WEG)	6	6	3	Yes	Analysis
23	George Open Chess Tournament 2019 (A)	2019-11-30	2019-12-01	Standard	Eden (WEG)	6	0	0	No	Analysis
24	Triangular 3 GEO-MOSS-PAC 2019	2019-10-03	2019-10-03	Blitz	Eden (WEG)	8	8	4.5	Yes	Analysis
25	Mossel Bay Chess Open 2019 (A)	2019-10-04	2019-10-05	Standard	Eden (WEG)	6	6	2.5	Yes	Analysis
26	2019 Western Cape Club Championship (A+B)	2019-10-25	2019-10-27	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
27	Pacaltsdorp Open 2019 (A)	2019-08-30	2019-08-31	Standard	Eden (WEG)	6	6	4.5	Yes	Analysis
28	Pacaltsdorp Open 2019 (Blitz)	2019-08-29	2019-08-29	Blitz	Eden (WEG)	6	6	3.5	Yes	Analysis
29	Eden Chess League 2019 (Premier)	2019-08-17	2019-08-24	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
30	Oyster Rapid Chess Festival 2019	2019-06-30	2019-06-30	Rapid	Eden (WEG)	6	6	4	Yes	Analysis
31	Triangular 2 GEO-MOSS-PAC 2019	2019-05-30	2019-05-30	Blitz	Eden (WEG)	5	5	3.5	Yes	Analysis
32	Triangular 1 GEO-MOSS-PAC 2019	2019-02-20	2019-02-20	Blitz	Eden (WEG)	8	8	1	Yes	Analysis
33	Mossel Bay Open 2018 (A)	2018-09-28	2018-09-29	Standard	Eden (WEG)	6	6	3	Yes	Analysis
34	Eden Chess League 2018 (Premier)	2018-08-18	2018-09-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
35	Pacaltsdorp Chess Club Open 2018 (A)	2018-05-25	2018-05-26	Standard	Eden (WEG)	6	6	3	Yes	Analysis
36	Knysna Knights April 2018	2018-04-27	2018-04-27	Rapid	Eden (WEG)	6	6	5.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 3 Open 2024
		date 2024-05-16	rnd 4	type Blitz	result 1	date 2024-07-18	rnd 2	type Blitz	result 1
		Opponent Botha, R (Ralph)				Opponent Blignaut, R (Ryno)
2	7	Tournament InterClub Blitz 2023				Tournament Eden Chess Union League 2023
		date 2023-10-11	rnd 3	type Blitz	result 1	date 2023-11-11	rnd 3	type Standard	result 1
		Opponent Barends, X (Xavier)				Opponent Swartbooi, G (Gabriel)
3	7	Tournament Interclub Blitz Evening 2022				Tournament Interclub Blitz Evening
		date 2022-08-11	rnd 5	type Blitz	result 1	date 2022-10-26	rnd 5	type Blitz	result 1
		Opponent Wren, MT (Michael)				Opponent Campbell, G (Grant)

#	Games	Start				End
1	7	Tournament 2019 Western Cape Club Championship				Tournament 2020 Boardwalk Pearson Open Chess Festival
		date 2019-10-27	rnd 5	type Standard	result 0.5	date 2020-03-15	rnd 5	type Standard	result 1
		Opponent Davids, W (Welesley)				Opponent Strydom, JP (Jean-Pierre)
2	4	Tournament Western Cape Club Championships 2021				Tournament Eden Chess Union League 2023
		date 2021-10-17	rnd 6	type Standard	result 0.5	date 2023-11-11	rnd 3	type Standard	result 1
		Opponent Heynse, C (Christiano)				Opponent Swartbooi, G (Gabriel)
3	4	Tournament Eden Closed 2021				Tournament Eden Closed 2021
		date 2021-03-27	rnd 2	type Standard	result 1	date 2021-03-28	rnd 5	type Standard	result 0.5
		Opponent Kruger, S (Sachin)				Opponent Jaars, T (Thomas)

#	Games	Start				End
1	6	Tournament Knysna Knights April 2018				Tournament Knysna Knights April 2018
		date 2018-04-27	rnd 1	type Rapid	result 1	date 2018-04-27	rnd 6	type Rapid	result 1
		Opponent Williams, H (Handre)				Opponent Geyser, K (Kobus)
2	4	Tournament Oyster Rapid Chess Festival 2019				Tournament Oyster Rapid Chess Festival 2019
		date 2019-06-30	rnd 2	type Rapid	result 1	date 2019-06-30	rnd 5	type Rapid	result 1
		Opponent Michaels, J (Jacques)				Opponent Du Plessis, A (Andre)
3	2	Tournament Knysna Oyster Festival 2023				Tournament Knysna Oyster Festival 2023
		date 2023-07-01	rnd 4	type Rapid	result 1	date 2023-07-01	rnd 5	type Rapid	result 1
		Opponent Potts, M (Markwin)				Opponent Nortje, P (Pieter)

#	Games	Start				End
1	7	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 3 Open 2024
		date 2024-05-16	rnd 4	type Blitz	result 1	date 2024-07-18	rnd 2	type Blitz	result 1
		Opponent Botha, R (Ralph)				Opponent Blignaut, R (Ryno)
2	7	Tournament Interclub Blitz Evening 2022				Tournament Interclub Blitz Evening
		date 2022-08-11	rnd 5	type Blitz	result 1	date 2022-10-26	rnd 5	type Blitz	result 1
		Opponent Wren, MT (Michael)				Opponent Campbell, G (Grant)
3	5	Tournament InterClub Blitz 2023				Tournament InterClub Blitz 1 2024
		date 2023-10-11	rnd 3	type Blitz	result 1	date 2024-04-17	rnd 1	type Blitz	result 1
		Opponent Barends, X (Xavier)				Opponent Taute, C (Clayden)

#	Games	Start				End
1	7	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 3 Open 2024
		date 2024-05-16	rnd 4	type Blitz	result 1	date 2024-07-18	rnd 2	type Blitz	result 1
		Opponent Botha, R (Ralph)				Opponent Blignaut, R (Ryno)
2	7	Tournament InterClub Blitz 2023				Tournament Eden Chess Union League 2023
		date 2023-10-11	rnd 3	type Blitz	result 1	date 2023-11-11	rnd 3	type Standard	result 1
		Opponent Barends, X (Xavier)				Opponent Swartbooi, G (Gabriel)
3	7	Tournament Interclub Blitz Evening 2022				Tournament Interclub Blitz Evening
		date 2022-08-11	rnd 5	type Blitz	result 1	date 2022-10-26	rnd 5	type Blitz	result 1
		Opponent Wren, MT (Michael)				Opponent Campbell, G (Grant)

#	Games	Start				End
1	3	Tournament Eden Chess Union League 2023				Tournament Eden Chess Union League 2023
		date 2023-11-11	rnd 1	type Standard	result 1	date 2023-11-11	rnd 3	type Standard	result 1
		Opponent Baadjies, L (Lando)				Opponent Swartbooi, G (Gabriel)
2	3	Tournament 2019 Western Cape Club Championship				Tournament 2020 Boardwalk Pearson Open Chess Festival
		date 2019-10-27	rnd 6	type Standard	result 1	date 2020-03-14	rnd 2	type Standard	result 1
		Opponent Lawrence, G (Gordon)				Opponent Driscoll, S (Samuel)
3	3	Tournament Eden Chess League 2018				Tournament Mossel Bay Open 2018
		date 2018-09-01	rnd 4	type Standard	result 1	date 2018-09-28	rnd 1	type Standard	result 1
		Opponent Klopper, JDS (Japie)				Opponent Pick, DD (Deon)

#	Games	Start				End
1	4	Tournament Oyster Rapid Chess Festival 2019				Tournament Oyster Rapid Chess Festival 2019
		date 2019-06-30	rnd 2	type Rapid	result 1	date 2019-06-30	rnd 5	type Rapid	result 1
		Opponent Michaels, J (Jacques)				Opponent Du Plessis, A (Andre)
2	3	Tournament Knysna Knights April 2018				Tournament Knysna Knights April 2018
		date 2018-04-27	rnd 4	type Rapid	result 1	date 2018-04-27	rnd 6	type Rapid	result 1
		Opponent Pryse, JAY (Jayson)				Opponent Geyser, K (Kobus)
3	2	Tournament Knysna Oyster Festival 2023				Tournament Knysna Oyster Festival 2023
		date 2023-07-01	rnd 4	type Rapid	result 1	date 2023-07-01	rnd 5	type Rapid	result 1
		Opponent Potts, M (Markwin)				Opponent Nortje, P (Pieter)

#	Games	Start				End
1	7	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 3 Open 2024
		date 2024-05-16	rnd 4	type Blitz	result 1	date 2024-07-18	rnd 2	type Blitz	result 1
		Opponent Botha, R (Ralph)				Opponent Blignaut, R (Ryno)
2	7	Tournament Interclub Blitz Evening 2022				Tournament Interclub Blitz Evening
		date 2022-08-11	rnd 5	type Blitz	result 1	date 2022-10-26	rnd 5	type Blitz	result 1
		Opponent Wren, MT (Michael)				Opponent Campbell, G (Grant)
3	5	Tournament InterClub Blitz 2023				Tournament InterClub Blitz 1 2024
		date 2023-10-11	rnd 3	type Blitz	result 1	date 2024-04-17	rnd 1	type Blitz	result 1
		Opponent Barends, X (Xavier)				Opponent Taute, C (Clayden)

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	Claassen ,R (Raynier)	12	3	-212.5	0	0	0	1	0	-425	11	3	-193.2
1	Claassen ,R (Raynier)	12	1714	1501.5	0	0	0	1	1335.9	1289	11	1475	1520.8
2	Swart ,G (George)	10	1.5	-297.5	1	0.5	0	1	0	-425	8	1	-318.8
2	Swart ,G (George)	10	1655.5	1358	1	1535.4	1655.5	1	1478.5	1230.5	8	1652.7	1336.8
3	Botha ,R (Ralph)	10	5	0	1	1	425	0	0	0	9	4	-47.2
3	Botha ,R (Ralph)	10	1587.4	1587.4	1	1064.8	2012.4	0	0	0	9	1685.3	1540.2
4	Fourie ,C (Corne)	8	6	212.5	1	0.5	0	0	0	0	7	5.5	242.9
4	Fourie ,C (Corne)	8	1517.2	1729.7	1	1444.2	1517.2	0	0	0	7	1426.5	1760
5	Campbell ,G (Grant)	7	4.5	121.4	0	0	0	0	0	0	7	4.5	121.4
5	Campbell ,G (Grant)	7	1424.7	1546.1	0	0	0	0	0	0	7	1137.2	1546.1
6	Jaars ,T (Thomas)	6	5	283.3	2	1	0	0	0	0	4	4	425
6	Jaars ,T (Thomas)	6	1463.3	1746.7	2	1402.8	1463.3	0	0	0	4	1366.5	1888.3
7	Dyzel ,P (Pieter)	6	2	-141.7	2	0	-425	0	0	0	4	2	0
7	Dyzel ,P (Pieter)	6	1462.8	1321.1	2	1412.6	1037.8	0	0	0	4	1338.8	1462.8
8	Taute ,C (Clayden)	6	2	-141.7	0	0	0	0	0	0	6	2	-141.7
8	Taute ,C (Clayden)	6	1766.1	1624.4	0	0	0	0	0	0	6	2059.8	1624.4
9	October ,B (Bjorn)	5	0.5	-340	3	0.5	-283.3	0	0	0	2	0	-425
9	October ,B (Bjorn)	5	1553.2	1213.2	3	1550	1269.9	0	0	0	2	1528.4	1128.2
10	Gilbert ,C (Cheslyn)	5	3	85	0	0	0	1	1	425	4	2	0
10	Gilbert ,C (Cheslyn)	5	1353.3	1438.3	0	0	0	1	1191.7	1778.3	4	1190.8	1353.3

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Agulhas, J (Justin)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms