Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Byl, A (Aarin)

Chess SA id

1120162102

FIDE id

Date of birth

2012-06-27 (U14)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-06

Personal details last changed

1900-01-01

Junior GPX Games

36.5

Junior GPX Points

1340

Item	Main	Standard	Rapid	Blitz
Rating	1443.5	1441.7	1335	1200
Raw rating	1443.5	1441.7	1335	1200
Weighted rating	1414.3	1403.9	1312.5	1200
Weighted performance	1365.8	1375	1242.1	0
Floor	986.4	981.4	837.5	700
K-factor	32	32	36	36
Min/Max rating change allowed	117.2	117.5	136.8	165.8
Highest rating	1486.4 2025-04-01	1481.4 2025-04-01	1432.3 2024-08-01	1200 2018-10-01
Highest raw rating	1486.4 2025-04-01	1481.4 2025-04-01	1337.5 2025-03-01	1200 2024-03-01
Highest weighted rating	1414.3 2025-09-30	1389.8 2025-08-01	1312.5 2025-09-30	1200 2018-10-01
Highest weighted performance	1483.9 2025-04-01	1481.4 2025-01-01	1432.3 2024-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1443.5	1441.7	1335	1200
Analysis
Rating	1443.5	1441.7	1335	1200
Raw rating	1443.5	1441.7	1335	1200
Weighted rating	1414.3	1403.9	1312.5
Weighted performance	1365.8	1375	1242.1
K-factor	32	32	36	36
Floor	986.4	981.4	837.5	700
Max/Min rating change allowed	117.2	117.5	136.8	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	1443.5	1441.7	1335	1200
New weighted rating	1420	1409.8	1316.6	1200
New weighted performance	1365.3	1374.5	1241.7	0
Temp new rating	1443.5	1441.7	1335	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1443.5	1441.7	1335	1200
New K-factor	32	32	36	36
New floor	986.4	981.4	837.5	700

Item	Main	Standard	Rapid
	0	0	0
	36	24	12
	47	30	17
	12	12	0
	0	0	0
	0	0	0
History	95	66	29

Games since
	Main 89	Standard 60		Rapid 29		Blitz 0
Gender	Male
Age group	U14
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	1726		120		89
Male	1452		108		80
U14	264		20		16
U14 Male	205		16		13
Standard
	RSA		Province		Region
Overall	1649		109		83
Male	1374		98		75
U14	255		20		15
U14 Male	195		15		12
Rapid
	RSA		Province		Region
Overall	817		91		64
Male	677		76		54
U14	170		24		17
U14 Male	127		20		14
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	36	22	61.11	94.4	1353	1447.5
Standard	24	15	62.5	106.2	1367	1473.3
Rapid	12	7	58.33	70.8	1325	1395.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	95	61	64.21	120.8	1313.7	1434.5
Standard	66	41.5	62.88	109.5	1325.7	1435.2
Rapid	29	19.5	67.24	146.6	1286.4	1432.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1443.5	1441.7	1335	1200
2025-09-01	1451.6	1441.7	1337.5	1200
2025-08-01	1451.6	1441.7	1337.5	1200
2025-07-01	1446.4	1437.8	1337.5	1200
2025-06-01	1446.4	1437.8	1337.5	1200
2025-05-01	1486.4	1481.4	1337.5	1200
2025-04-01	1486.4	1481.4	1337.5	1200
2025-03-01	1437.1	1411.8	1337.5	1200
2025-02-01	1433.2	1411.8	1331.8	1200
2025-01-01	1433.2	1411.8	1331.8	1200
2024-12-01	1401.5	1368.2	1331.8	1200
2024-11-01	1401.5	1368.2	1331.8	1200
2024-10-01	1401.5	1368.2	1331.8	1200
2024-09-01	1353.2	1339	1284.6	1200
2024-08-01	1330.5	1339	1224.1	1200
2024-07-01	1330.5	1339	1224.1	1200
2024-06-01	1330.5	1339	1224.1	1200
2024-08-01	1302.6	1310.5	1224.1	1200
2024-04-01	1270.6	1273.4	1224.1	1200
2024-03-01	1270.6	1273.4	1224.1	1200
2024-02-01	1262.2	1273.4	1200	1200
2024-01-01	1262.2	1273.4	1200	1200
2023-12-01	1262.2	1273.4	1200	1200
2023-11-01	1262.2	1273.4	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	2025 KZN Provincial Trials (U14)	2025-09-06	2025-09-06	Rapid	Ethekwini (KED)	6	6	2.5	Yes	Analysis
2	2025 ECA 2nd Youth Trials (U14)	2025-07-26	2025-07-27	Standard	Ethekwini (KED)	6	6	3.5	Yes	Analysis
3	2025 KZN Open (B)	2025-05-02	2025-05-04	Standard	Ethekwini (KED)	7	6	3	Yes	Analysis
4	2025 Ethekwini Open (B)	2025-03-21	2025-03-22	Standard	Ethekwini (KED)	6	6	5	Yes	Analysis
5	2025 ECA 1st Youth Trials (C)	2025-03-08	2025-03-09	Standard	Ethekwini (KED)	6	6	3.5	Yes	Analysis
6	2025 Westville Girls High School Rapid (U16-U20)	2025-02-22	2025-02-22	Rapid	Ethekwini (KED)	6	6	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 KZN Provincial Trials (U14)	2025-09-06	2025-09-06	Rapid	Ethekwini (KED)	6	6	2.5	Yes	Analysis
2	2025 ECA 2nd Youth Trials (U14)	2025-07-26	2025-07-27	Standard	Ethekwini (KED)	6	6	3.5	Yes	Analysis
3	2025 KZN Open (B)	2025-05-02	2025-05-04	Standard	Ethekwini (KED)	7	6	3	Yes	Analysis
4	2025 Ethekwini Open (B)	2025-03-21	2025-03-22	Standard	Ethekwini (KED)	6	6	5	Yes	Analysis
5	2025 ECA 1st Youth Trials (C)	2025-03-08	2025-03-09	Standard	Ethekwini (KED)	6	6	3.5	Yes	Analysis
6	2025 Westville Girls High School Rapid (U16-U20)	2025-02-22	2025-02-22	Rapid	Ethekwini (KED)	6	6	4.5	Yes	Analysis
7	Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Championship)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	4	Yes	Analysis
8	Westville Senior Primary Chess Tournament 2024 (Senior Primary)	2024-09-07	2024-09-07	Rapid	Ethekwini (KED)	7	7	5.5	Yes	Analysis
9	2024 ECA 3rd Youth Trials (C)	2024-08-31	2024-09-01	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis
10	Ashton International College Chess Champs 2024 (Senior Primary)	2024-08-17	2024-08-17	Rapid	Ethekwini (KED)	5	5	4	Yes	Analysis
11	2024 ECA 2nd Youth Trials (U14)	2024-05-18	2024-05-19	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis
12	2024 Ethekwini Open (B)	2024-04-20	2024-04-21	Standard	Ethekwini (KED)	6	5	2.5	Yes	Analysis
13	2024 ECA 1st Youth Trials (U14)	2024-04-13	2024-04-14	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis
14	Umhlali Rapid 2024 (Senior Primary)	2024-02-17	2024-02-17	Rapid	iLembe (KIK)	5	5	3	Yes	Analysis
15	Cygnet Preparatory School Individual Invitation Chess Tournament 2023 (Senior Primary)	2023-11-18	2023-11-18	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis
16	2023 Heritage Day Open (B)	2023-09-23	2023-09-24	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis

#	Games	Start				End
1	6	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament 2025 Westville Girls High School Rapid
		date 2024-12-18	rnd 5	type Standard	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Cornelissen, T (Tinus)				Opponent Appanna, S (Shaylin)
2	4	Tournament 2025 ECA 2nd Youth Trials				Tournament 2025 ECA 2nd Youth Trials
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-27	rnd 4	type Standard	result 1
		Opponent Govender, E (Eshna)				Opponent Carrim, I (Ifraz)
3	4	Tournament 2025 Ethekwini Open				Tournament 2025 KZN Open
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-05-02	rnd 2	type Standard	result 1
		Opponent Ntshakala, H (Hlelolwenkosi)				Opponent Walters, C (Charlie)

#	Games	Start				End
1	4	Tournament 2025 ECA 2nd Youth Trials				Tournament 2025 ECA 2nd Youth Trials
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-27	rnd 4	type Standard	result 1
		Opponent Govender, E (Eshna)				Opponent Carrim, I (Ifraz)
2	4	Tournament 2025 Ethekwini Open				Tournament 2025 KZN Open
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-05-02	rnd 2	type Standard	result 1
		Opponent Ntshakala, H (Hlelolwenkosi)				Opponent Walters, C (Charlie)
3	4	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament 2025 ECA 1st Youth Trials
		date 2024-12-18	rnd 5	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Cornelissen, T (Tinus)				Opponent Lutchman, R (Ruhaan)

#	Games	Start				End
1	6	Tournament Westville Senior Primary Chess Tournament 2024				Tournament 2025 Westville Girls High School Rapid
		date 2024-09-07	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Reddy, D (Deeya)				Opponent Appanna, S (Shaylin)
2	4	Tournament 2025 Westville Girls High School Rapid				Tournament 2025 KZN Provincial Trials
		date 2025-02-22	rnd 5	type Rapid	result 0.5	date 2025-09-06	rnd 2	type Rapid	result 0.5
		Opponent Kumarasamy, D (Daaruk)				Opponent Taylor, S (Samuel)
3	4	Tournament Ashton International College Chess Champs 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-08-17	rnd 5	type Rapid	result 1	date 2024-09-07	rnd 3	type Rapid	result 0.5
		Opponent Keating, R (Rourke)				Opponent Naidoo, V (Viya)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament 2025 Westville Girls High School Rapid
		date 2024-12-18	rnd 5	type Standard	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Cornelissen, T (Tinus)				Opponent Appanna, S (Shaylin)
2	4	Tournament 2025 Ethekwini Open				Tournament 2025 KZN Open
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-05-02	rnd 2	type Standard	result 1
		Opponent Ntshakala, H (Hlelolwenkosi)				Opponent Walters, C (Charlie)
3	4	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-09-07	rnd 5	type Rapid	result 1	date 2024-12-16	rnd 1	type Standard	result 1
		Opponent Reddy, D (Deeya)				Opponent Robertson, J (Jonah)

#	Games	Start				End
1	4	Tournament 2025 Ethekwini Open				Tournament 2025 KZN Open
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-05-02	rnd 2	type Standard	result 1
		Opponent Ntshakala, H (Hlelolwenkosi)				Opponent Walters, C (Charlie)
2	4	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament 2025 ECA 1st Youth Trials
		date 2024-12-18	rnd 5	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Cornelissen, T (Tinus)				Opponent Lutchman, R (Ruhaan)
3	3	Tournament Cygnet Preparatory School Individual Invitation Chess Tournament 2023				Tournament 2024 ECA 1st Youth Trials
		date 2023-11-18	rnd 5	type Standard	result 1	date 2024-04-13	rnd 1	type Standard	result 1
		Opponent Harvey, M (Max)				Opponent Ntshangase, B (Buzole)

#	Games	Start				End
1	6	Tournament Westville Senior Primary Chess Tournament 2024				Tournament 2025 Westville Girls High School Rapid
		date 2024-09-07	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Reddy, D (Deeya)				Opponent Appanna, S (Shaylin)
2	3	Tournament Ashton International College Chess Champs 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-08-17	rnd 5	type Rapid	result 1	date 2024-09-07	rnd 2	type Rapid	result 1
		Opponent Keating, R (Rourke)				Opponent Carrim, I (Ifraz)
3	3	Tournament Ashton International College Chess Champs 2024				Tournament Ashton International College Chess Champs 2024
		date 2024-08-17	rnd 1	type Rapid	result 1	date 2024-08-17	rnd 3	type Rapid	result 1
		Opponent Makanjee, A (Arjun)				Opponent Dawah, D (Dhyan)

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	Makaula ,L (Lubanzi)	5	0	-425	4	0	-425	1	0	-425	0	0	0
1	Makaula ,L (Lubanzi)	5	1562.4	1137.4	4	1517.9	1137.4	1	1601.8	1137.4	0	0	0
2	Carrim ,I (Ifraz)	4	4	425	2	2	425	2	2	425	0	0	0
2	Carrim ,I (Ifraz)	4	1253.7	1678.7	2	1245.2	1678.7	2	1241	1678.7	0	0	0
3	Buckas ,A (Abu)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
3	Buckas ,A (Abu)	3	1435.1	1293.4	2	1465.8	1435.1	1	1266.3	1010.1	0	0	0
4	Ntshangase ,B (Buzole)	2	2	425	2	2	425	0	0	0	0	0	0
4	Ntshangase ,B (Buzole)	2	1010.8	1435.8	2	1005	1435.8	0	0	0	0	0	0
5	Shravan Kumar ,S (Snehin)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Shravan Kumar ,S (Snehin)	2	1590.6	1165.6	2	1583.8	1165.6	0	0	0	0	0	0
6	Jugree ,A (Abhay)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Jugree ,A (Abhay)	2	1595.3	1170.3	2	1556	1170.3	0	0	0	0	0	0
7	Magudulela ,N (Ndumiso)	2	1	0	2	1	0	0	0	0	0	0	0
7	Magudulela ,N (Ndumiso)	2	1350.2	1350.2	2	1352.8	1350.2	0	0	0	0	0	0
8	Budhram ,K (Kaylee)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Budhram ,K (Kaylee)	2	1550.3	1337.8	2	1612.4	1337.8	0	0	0	0	0	0
9	Lutchman ,R (Ruhaan)	2	2	425	2	2	425	0	0	0	0	0	0
9	Lutchman ,R (Ruhaan)	2	1167.2	1592.2	2	1158.6	1592.2	0	0	0	0	0	0
10	Schwartz ,M (Michael)	2	0	-425	1	0	-425	1	0	-425	0	0	0
10	Schwartz ,M (Michael)	2	1707.6	1282.6	1	1505.4	1282.6	1	1719.6	1282.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Van Der Byl, A (Aarin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms