Chess South Africa Ratings Database

PLAYER PAGE

Personal

Gounder, A (Arun)

Chess SA id

1090098574

FIDE id

Date of birth

2009-10-09 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1412.5

Item	Main	Standard	Rapid	Blitz
Rating	1538.5	1531.4	1262.6	896.4
Raw rating	1535.1	1527.4	1262.6	896.4
Weighted rating	1538.5	1531.4	1262.6	896.4
Weighted performance	1338	1335.2	0	0
Floor	1070.1	1063.9	762.6	513.6
K-factor	32	32	36	40
Min/Max rating change allowed	102.9	104	151.7	255.6
Highest rating	1591.6 2024-03-01	1580.8 2024-03-01	1466 2023-09-01	1200 2020-01-01
Highest raw rating	1570.1 2024-04-01	1563.9 2024-04-01	1262.6 2024-02-01	1013.6 2020-01-01
Highest weighted rating	1535.1 2025-08-01	1527.4 2025-08-01	1262.6 2025-08-01	1013.6 2024-11-01
Highest weighted performance	1591.6 2024-03-01	1580.8 2024-03-01	1466 2023-09-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.5	0.5	0	0
New rating	1538.9	1532	1262.6	896.4
Analysis
Rating	1538.5	1531.4	1262.6	896.4
Raw rating	1535.1	1527.4	1262.6	896.4
Weighted rating	1538.5	1531.4	1262.6
Weighted performance	1338	1335.2	0
K-factor	32	32	36	40
Floor	1070.1	1063.9	762.6	513.6
Max/Min rating change allowed	102.9	104	151.7	255.6
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	1535.1	1527.4	1262.6	896.4
New weighted rating	1538.9	1532	1262.6	896.4
New weighted performance	1329.2	1326.5	0	0
Temp new rating	1538.9	1532	1262.6	896.4
Temp new rating +/-	0.5	0.5	0	0
Final new rating +/-	0.5	0.5	0	0
New rating	1538.9	1532	1262.6	896.4
New K-factor	32	32	36	40
New floor	1070.1	1063.9	762.6	513.6

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	5	5	0	0
	57	57	0	0
	82	70	12	0
	88	61	13	14
	10	10	0	0
History	262	223	25	14

Games since
	Main 62	Standard 62		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	997		356		136
Male	873		304		117
U18	151		52		27
U18 Male	133		45		23
Standard
	RSA		Province		Region
Overall	992		379		143
Male	861		323		124
U18	150		57		30
U18 Male	134		51		27
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	5	3	60	85	1416.3	1501.3
Standard	5	3	60	85	1416.3	1501.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	262	154.5	58.97	76.2	1353.4	1429.6
Standard	223	134.5	60.31	87.7	1346.7	1434.4
Rapid	25	15.5	62	102	1429.8	1531.8
Blitz	14	4.5	32.14	-151.8	1322.3	1170.5

Date	Main	Standard	Rapid	Blitz
2025-11-01	1535.1	1527.4	1262.6	896.4
2025-09-30	1535.1	1527.4	1262.6	896.4
2025-09-01	1535.1	1527.4	1262.6	896.4
2025-08-01	1535.1	1527.4	1262.6	896.4
2025-07-01	1533.7	1525.9	1262.6	896.4
2025-06-01	1532.3	1525.9	1262.6	896.4
2025-05-01	1538.4	1532.6	1262.6	896.4
2025-04-01	1538.4	1532.6	1262.6	896.4
2025-03-01	1538.4	1532.6	1262.6	896.4
2025-02-01	1538.4	1532.6	1262.6	896.4
2025-01-01	1538.4	1532.6	1262.6	896.4
2024-12-01	1556.4	1550.8	1262.6	896.4
2024-11-01	1556.4	1550.8	1262.6	896.4
2024-10-01	1556.4	1550.8	1262.6	896.4
2024-09-01	1555.2	1552.4	1262.6	896.4
2024-08-01	1564.5	1563.6	1262.6	896.4
2024-07-01	1532.4	1519.4	1262.6	896.4
2024-09-01	1532.4	1519.4	1262.6	896.4
2024-05-01	1558.7	1550.1	1262.6	896.4
2024-04-01	1570.1	1563.9	1262.6	896.4
2024-03-01	1484	1471.8	1262.6	896.4
2024-02-01	1486.7	1472.8	1262.6	896.4
2024-01-01	1426.5	1402.1	1262.6	896.4
2023-12-01	1426.5	1402.1	1262.6	896.4

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	2025 Tshwane South School District Individual Finals (D4) (U18 Boys)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District Individual Finals (D4) (U18 Boys)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	Gauteng Inter-Region at UJ 2024 (U16 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	2024 Etienne Lewis (U16)	2024-08-30	2024-09-01	Standard	Tshwane (GTP)	7	7	4.5	Yes	Analysis
4	2024 Alekhine Open Chess Tournament (A)	2024-08-09	2024-08-10	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U15A)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
6	2024 Midstream College Open Chess Tournament (A)	2024-07-20	2024-07-20	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	2024 Tshwane South School District CLOSED Individual Championships (U15 Mixed)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
8	2024 KSNG CHess Academy Open Tournament (B)	2024-04-06	2024-04-06	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
9	2024 Chris Greyling Open Chess Tournament (C)	2024-03-16	2024-03-16	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
10	2024 Piet Robbertse Open Chess Tournament (B)	2024-02-03	2024-02-04	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
11	2024 Tshwane Chess OPEN Registration Tournament (B)	2024-01-27	2024-01-27	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
12	2024 Gauteng Inter-Region Chess Championship (U16B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
13	2023 Gauteng Noord (B)	2023-10-14	2023-10-15	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
14	2023 Tuks Open Chess Tournament (B)	2023-10-07	2023-10-07	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
15	Gauteng Soncini Finals 2023 (Boys)	2023-10-28	2023-10-28	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
16	2023 Centurion Club Championships	2023-07-19	2023-09-06	Standard	Tshwane (GTP)	6	6	3.5	Yes	Analysis
17	Mzansi Spring Rapid 2023	2023-09-02	2023-09-02	Rapid	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
18	2023 Gauteng Top Schools (U15 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
19	2023 Etienne Lewis Closed Tournament (U16)	2023-08-25	2023-08-27	Standard	Tshwane (GTP)	7	7	4.5	Yes	Analysis
20	2023 Tshwane South School District CLOSED League Championship (U15)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	3	3	3	Yes	Analysis
21	2023 Mid Gauteng Open Tournament (B)	2023-05-06	2023-05-06	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
22	Gauteng Schools Individual Finals 2023 (U15 Boys)	2023-05-27	2023-05-27	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
23	2023 Tshwane South School District CLOSED Individual Championships (U15 Open)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
24	2023 South African Junior Closed Chess Championships (U14 Open)	2023-03-31	2023-04-04	Standard	Chess South Africa (CSA)	9	9	4.5	Yes	Analysis
25	Schoemies Kings & Queens 2023 (Queens)	2023-03-18	2023-03-18	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
26	2023 Piet Robbertse Fide Rated Open Chess Tournament (B)	2023-02-04	2023-02-05	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
27	2023 Tshwane Chess Open Registration Tournament (B1)	2023-01-28	2023-01-28	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
28	2022 South African Junior Wild Card Chess Championships (U14 Open)	2022-12-09	2022-12-12	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
29	2022 South African Junior Team Chess Championships (U14 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	7	5.5	Yes	Analysis
30	2022 South Africa Junior Blitz Chess Championships (U14)	2022-12-05	2022-12-05	Blitz	4 Knights (4K)	7	6	2	Yes	Analysis
31	CPH Chess Clubs Challenge 2022 (Primary Schools)	2022-11-12	2022-11-12	Rapid	Johannesburg Metro (GJM)	6	6	5	Yes	Analysis
32	FIDE at The King`s Gate 2.0 2022 (B)	2022-10-22	2022-10-22	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
33	2022 Wynie Robbertse Open (C)	2022-10-08	2022-10-08	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
34	2022 Gauteng North Chess Open (C)	2022-10-15	2022-10-16	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
35	2022 Etienne Lewis (U14 Open)	2022-09-02	2022-09-04	Standard	Tshwane (GTP)	7	7	4.5	Yes	Analysis
36	Tuks Junior Developmental Tournament 2022 (Blue)	2022-08-06	2022-08-06	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
37	2022 Alekhine Open (C)	2022-08-13	2022-08-14	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
38	JMC Blitz Open 8 August 2022 (A)	2022-08-08	2022-08-08	Blitz	Johannesburg Metro (GJM)	9	8	2.5	Yes	Analysis
39	D4 Play Offs 2022 (U13)	2022-07-30	2022-07-30	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
40	2022 Silver Lakes Chess Club Open Chess Tournament (C)	2022-05-14	2022-05-14	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
41	2022 Milos Ristic Open Chess Tournament (C)	2022-05-28	2022-05-28	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
42	D4 Individuals 2022 (U13 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	3.5	Yes	Analysis
43	2021 Lardies Ope (D)	2021-10-30	2021-10-30	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
44	2021 Gauteng North Open Tournament (D)	2021-08-28	2021-08-29	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
45	2020 Blou Bul (D)	2020-02-15	2020-02-15	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
46	JNW Club - Bryanston Open1 2020 (D)	2020-02-01	2020-02-01	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
47	2018 D4 Tshwane South Schools League Finals (U9)	2018-08-03	2018-08-03	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
48	2018 D4 Tshwane North Individual Chess Championships (U9 Boys)	2018-03-10	2018-03-10	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	12	Tournament 2021 Gauteng North Open Tournament				Tournament D4 Individuals 2022
		date 2021-08-28	rnd 2	type Standard	result 1	date 2022-04-23	rnd 3	type Rapid	result 1
		Opponent De Jager, J (Jandre)				Opponent Myburgh, J (Jacques)
2	7	Tournament Tuks Junior Developmental Tournament 2022				Tournament 2022 Alekhine Open
		date 2022-08-06	rnd 2	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Grahan, C (Chie-Ann)				Opponent Matsioloko, O (Osega)
3	6	Tournament 2024 Chris Greyling Open Chess Tournament				Tournament 2024 KSNG CHess Academy Open Tournament
		date 2024-03-16	rnd 1	type Standard	result 1	date 2024-04-06	rnd 1	type Standard	result 1
		Opponent Buthelezi, K (Kabelo)				Opponent Malaba, U (Ushindi)

#	Games	Start				End
1	10	Tournament 2021 Gauteng North Open Tournament				Tournament 2022 Silver Lakes Chess Club Open Chess Tournament
		date 2021-08-28	rnd 2	type Standard	result 1	date 2022-05-14	rnd 1	type Standard	result 1
		Opponent De Jager, J (Jandre)				Opponent Crause, M (Mynhardt)
2	7	Tournament Tuks Junior Developmental Tournament 2022				Tournament 2022 Alekhine Open
		date 2022-08-06	rnd 2	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Grahan, C (Chie-Ann)				Opponent Matsioloko, O (Osega)
3	6	Tournament 2024 Chris Greyling Open Chess Tournament				Tournament 2024 KSNG CHess Academy Open Tournament
		date 2024-03-16	rnd 1	type Standard	result 1	date 2024-04-06	rnd 1	type Standard	result 1
		Opponent Buthelezi, K (Kabelo)				Opponent Malaba, U (Ushindi)

#	Games	Start				End
1	5	Tournament D4 Individuals 2022				Tournament CPH Chess Clubs Challenge 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-11-12	rnd 4	type Rapid	result 1
		Opponent Niehaus, SJ (Samuel)				Opponent Mallach, D (Daniel)
2	4	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 2	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Westoby, A (Adam)				Opponent Tshetlo, T (Tshepo)
3	3	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 1	type Rapid	result 1	date 2022-04-23	rnd 3	type Rapid	result 1
		Opponent Roeloffze, D (Dian)				Opponent Myburgh, J (Jacques)

#	Games	Start				End
1	2	Tournament 2022 South Africa Junior Blitz Chess Championships				Tournament 2022 South Africa Junior Blitz Chess Championships
		date 2022-12-05	rnd 3	type Blitz	result 1	date 2022-12-05	rnd 4	type Blitz	result 1
		Opponent Boucher, R (Ryann)				Opponent Oberholzer, K (Kyle)

#	Games	Start				End
1	10	Tournament 2021 Gauteng North Open Tournament				Tournament D4 Individuals 2022
		date 2021-08-28	rnd 2	type Standard	result 1	date 2022-04-23	rnd 1	type Rapid	result 1
		Opponent De Jager, J (Jandre)				Opponent Roeloffze, D (Dian)
2	6	Tournament 2024 Chris Greyling Open Chess Tournament				Tournament 2024 KSNG CHess Academy Open Tournament
		date 2024-03-16	rnd 1	type Standard	result 1	date 2024-04-06	rnd 1	type Standard	result 1
		Opponent Buthelezi, K (Kabelo)				Opponent Malaba, U (Ushindi)
3	6	Tournament Gauteng Soncini Finals 2023				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2023-10-28	rnd 5	type Rapid	result 1	date 2024-01-14	rnd 5	type Standard	result 1
		Opponent Mmbadi, O (Obadiah)				Opponent Kriel, D (Devin)

#	Games	Start				End
1	10	Tournament 2021 Gauteng North Open Tournament				Tournament 2022 Silver Lakes Chess Club Open Chess Tournament
		date 2021-08-28	rnd 2	type Standard	result 1	date 2022-05-14	rnd 1	type Standard	result 1
		Opponent De Jager, J (Jandre)				Opponent Crause, M (Mynhardt)
2	6	Tournament 2024 Chris Greyling Open Chess Tournament				Tournament 2024 KSNG CHess Academy Open Tournament
		date 2024-03-16	rnd 1	type Standard	result 1	date 2024-04-06	rnd 1	type Standard	result 1
		Opponent Buthelezi, K (Kabelo)				Opponent Malaba, U (Ushindi)
3	5	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-14	rnd 5	type Standard	result 1
		Opponent Chamo, M (Mpho)				Opponent Kriel, D (Devin)

#	Games	Start				End
1	5	Tournament D4 Individuals 2022				Tournament CPH Chess Clubs Challenge 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-11-12	rnd 4	type Rapid	result 1
		Opponent Niehaus, SJ (Samuel)				Opponent Mallach, D (Daniel)
2	4	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 2	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Westoby, A (Adam)				Opponent Tshetlo, T (Tshepo)
3	2	Tournament Gauteng Soncini Finals 2023				Tournament Gauteng Soncini Finals 2023
		date 2023-10-28	rnd 1	type Rapid	result 1	date 2023-10-28	rnd 2	type Rapid	result 1
		Opponent Odendaal, H (Hayden)				Opponent Koekemoer, M (Marko)

#	Games	Start				End
1	2	Tournament 2022 South Africa Junior Blitz Chess Championships				Tournament 2022 South Africa Junior Blitz Chess Championships
		date 2022-12-05	rnd 3	type Blitz	result 1	date 2022-12-05	rnd 4	type Blitz	result 1
		Opponent Boucher, R (Ryann)				Opponent Oberholzer, K (Kyle)

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	Webb ,K (Kagan)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
1	Webb ,K (Kagan)	4	1393.3	1605.8	4	1381.8	1605.8	0	0	0	0	0	0
2	Grobler ,JTW (Johannes Theodorus Wessel)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Grobler ,JTW (Johannes Theodorus Wessel)	3	1387.5	962.5	3	1378.5	962.5	0	0	0	0	0	0
3	Boheim ,E (Eugene)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Boheim ,E (Eugene)	3	1493.7	1068.7	3	1488.8	1068.7	0	0	0	0	0	0
4	Van Der Merwe ,AP (Altus Philip)	3	3	425	3	3	425	0	0	0	0	0	0
4	Van Der Merwe ,AP (Altus Philip)	3	1244.8	1669.8	3	1232	1669.8	0	0	0	0	0	0
5	Rust ,C (Christoph)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
5	Rust ,C (Christoph)	3	1404.8	1688.2	3	1404.6	1688.2	0	0	0	0	0	0
6	Mahlangu ,NP (Nkosinathi Phillip)	3	3	425	3	3	425	0	0	0	0	0	0
6	Mahlangu ,NP (Nkosinathi Phillip)	3	1211.5	1636.5	3	1198.5	1636.5	0	0	0	0	0	0
7	Myburgh ,J (Jacques)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
7	Myburgh ,J (Jacques)	3	1426.9	1285.2	2	1542.1	1001.9	1	1200	1851.9	0	0	0
8	Grobler ,DDI (Donovan Denzel Izak)	2	2	425	2	2	425	0	0	0	0	0	0
8	Grobler ,DDI (Donovan Denzel Izak)	2	1227.3	1652.3	2	1214.9	1652.3	0	0	0	0	0	0
9	Maartens ,K (Kirsten)	2	2	425	2	2	425	0	0	0	0	0	0
9	Maartens ,K (Kirsten)	2	1095.8	1520.8	2	1092	1520.8	0	0	0	0	0	0
10	Buhrs ,J (Jethro)	2	1	0	2	1	0	0	0	0	0	0	0
10	Buhrs ,J (Jethro)	2	1324.1	1324.1	2	1311.1	1324.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Gounder, A (Arun)

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Last 24 raw ratings

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Top 3 Streaks

Top 10 opponents most often played

Norms