Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lu, A (Arin)

Chess SA id

2110160159

FIDE id

Date of birth

2011-08-01 (U16)

Gender

Female

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1287.7

Item	Main	Standard	Rapid	Blitz
Rating	1226.6	1233.5	1207.6	1200
Raw rating	1226.6	1233.5	1207.6	1200
Weighted rating	1220.2	1223.4	1206.2	1200
Weighted performance	1118.8	0	0	0
Floor	758.2	766.7	719.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	159.6	158.1	164	165.8
Highest rating	1258.2 2025-06-01	1266.7 2025-06-01	1286.3 2023-08-01	1200 2018-10-01
Highest raw rating	1258.2 2025-06-01	1266.7 2025-06-01	1219.4 2024-03-01	1200 2024-03-01
Highest weighted rating	1258.2 2024-08-01	1220 2025-09-01	1219.4 2024-08-01	1200 2018-10-01
Highest weighted performance	1216 2023-08-01	1200 2024-03-01	1286.3 2023-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1226.6	1233.5	1207.6	1200
Analysis
Rating	1226.6	1233.5	1207.6	1200
Raw rating	1226.6	1233.5	1207.6	1200
Weighted rating	1220.2	1223.4	1206.2
Weighted performance	1118.8	0	0
K-factor	36	36	36	36
Floor	758.2	766.7	719.4	700
Max/Min rating change allowed	159.6	158.1	164	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	1226.6	1233.5	1207.6	1200
New weighted rating	1221.2	1225	1206.1	1200
New weighted performance	1111.7	0	0	0
Temp new rating	1226.6	1233.5	1207.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1226.6	1233.5	1207.6	1200
New K-factor	36	36	36	36
New floor	758.2	766.7	719.4	700

Item	Main	Standard	Rapid
	0	0	0
	14	14	0
	4	0	4
	5	0	5
	0	0	0
	0	0	0
History	23	14	9

Games since
	Main 18	Standard 14		Rapid 4		Blitz 0
Gender	Female
Age group	U16
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-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	14	8	57.14	60.7	1230.5	1291.2
Standard	14	8	57.14	60.7	1230.5	1291.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	23	12	52.17	18.5	1222.1	1240.6
Standard	14	8	57.14	60.7	1230.5	1291.2
Rapid	9	4	44.44	-47.2	1209	1161.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1226.6	1233.5	1207.6	1200
2025-09-30	1226.6	1233.5	1207.6	1200
2025-09-01	1226.6	1233.5	1207.6	1200
2025-08-01	1258.2	1266.7	1207.6	1200
2025-07-01	1258.2	1266.7	1207.6	1200
2025-06-01	1258.2	1266.7	1207.6	1200
2025-05-01	1220	1220.4	1207.6	1200
2025-04-01	1220	1220.4	1207.6	1200
2025-03-01	1201.8	1200	1207.6	1200
2025-02-01	1201.3	1200	1206.6	1200
2025-01-01	1194.4	1200	1192	1200
2024-12-01	1194.4	1200	1192	1200
2024-11-01	1194.4	1200	1192	1200
2024-10-01	1194.4	1200	1192	1200
2024-09-01	1194.4	1200	1192	1200
2024-08-01	1207.2	1200	1219.4	1200
2024-07-01	1207.2	1200	1219.4	1200
2024-09-01	1207.2	1200	1219.4	1200
2024-05-01	1207.2	1200	1219.4	1200
2024-04-01	1207.2	1200	1219.4	1200
2024-03-01	1207.2	1200	1219.4	1200
2024-02-01	1207.2	1200	1219.4	1200
2024-01-01	1207.2	1200	1219.4	1200
2023-12-01	1207.2	1200	1219.4	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	Free State Closed 2025 (U16+U18 Girls)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	4	1	Yes	Analysis
2	Mangaung Metro Chess 9-10 May 2025 (C)	2025-05-09	2025-05-10	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
3	Mangaung Metro Chess 7-8 March 2025 (B)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Free State Closed 2025 (U16+U18 Girls)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	4	1	Yes	Analysis
2	Mangaung Metro Chess 9-10 May 2025 (C)	2025-05-09	2025-05-10	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
3	Mangaung Metro Chess 7-8 March 2025 (B)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
4	Bloemfontein Highschool League 02 Aug 2024 (U15A)	2024-08-02	2024-08-02	Rapid	Mangaung (FMB)	5	4	1	Yes	Analysis
5	August Primary School Chess Festival 2023 (Grade 6+7 B)	2023-08-04	2023-08-04	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Mangaung Metro Chess 9-10 May 2025				Tournament Mangaung Metro Chess 9-10 May 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Herselman, E (Ewald Conrad)				Opponent Mqakelana, I (Iminathi)
2	2	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-03-07	rnd 1	type Standard	result 1	date 2025-03-07	rnd 2	type Standard	result 1
		Opponent Alexander, R (Reagan Gretchen)				Opponent Steyn, W (Willem)
3	2	Tournament August Primary School Chess Festival 2023				Tournament August Primary School Chess Festival 2023
		date 2023-08-04	rnd 1	type Rapid	result 1	date 2023-08-04	rnd 2	type Rapid	result 1
		Opponent Tromp, D (Daniel)				Opponent Mofutsanyana, M (Mpumelelo)

#	Games	Start				End
1	3	Tournament Mangaung Metro Chess 9-10 May 2025				Tournament Mangaung Metro Chess 9-10 May 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Herselman, E (Ewald Conrad)				Opponent Mqakelana, I (Iminathi)
2	2	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-03-07	rnd 1	type Standard	result 1	date 2025-03-07	rnd 2	type Standard	result 1
		Opponent Alexander, R (Reagan Gretchen)				Opponent Steyn, W (Willem)
3	1	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-15	rnd 4	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent Lu, L (Lara)				Opponent Lu, L (Lara)

#	Games	Start				End
1	2	Tournament August Primary School Chess Festival 2023				Tournament August Primary School Chess Festival 2023
		date 2023-08-04	rnd 1	type Rapid	result 1	date 2023-08-04	rnd 2	type Rapid	result 1
		Opponent Tromp, D (Daniel)				Opponent Mofutsanyana, M (Mpumelelo)
2	1	Tournament Bloemfontein Highschool League 02 Aug 2024				Tournament Bloemfontein Highschool League 02 Aug 2024
		date 2024-08-02	rnd 1	type Rapid	result 1	date 2024-08-02	rnd 1	type Rapid	result 1
		Opponent Golele, K (Khensani)				Opponent Golele, K (Khensani)
3	1	Tournament August Primary School Chess Festival 2023				Tournament August Primary School Chess Festival 2023
		date 2023-08-04	rnd 4	type Rapid	result 1	date 2023-08-04	rnd 4	type Rapid	result 1
		Opponent Mokheti, M (Mosa)				Opponent Mokheti, M (Mosa)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Mangaung Metro Chess 9-10 May 2025				Tournament Mangaung Metro Chess 9-10 May 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Herselman, E (Ewald Conrad)				Opponent Mqakelana, I (Iminathi)
2	2	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-03-07	rnd 1	type Standard	result 1	date 2025-03-07	rnd 2	type Standard	result 1
		Opponent Alexander, R (Reagan Gretchen)				Opponent Steyn, W (Willem)
3	2	Tournament August Primary School Chess Festival 2023				Tournament August Primary School Chess Festival 2023
		date 2023-08-04	rnd 1	type Rapid	result 1	date 2023-08-04	rnd 2	type Rapid	result 1
		Opponent Tromp, D (Daniel)				Opponent Mofutsanyana, M (Mpumelelo)

#	Games	Start				End
1	3	Tournament Mangaung Metro Chess 9-10 May 2025				Tournament Mangaung Metro Chess 9-10 May 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Herselman, E (Ewald Conrad)				Opponent Mqakelana, I (Iminathi)
2	2	Tournament Mangaung Metro Chess 7-8 March 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-03-07	rnd 1	type Standard	result 1	date 2025-03-07	rnd 2	type Standard	result 1
		Opponent Alexander, R (Reagan Gretchen)				Opponent Steyn, W (Willem)
3	1	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-15	rnd 4	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent Lu, L (Lara)				Opponent Lu, L (Lara)

#	Games	Start				End
1	2	Tournament August Primary School Chess Festival 2023				Tournament August Primary School Chess Festival 2023
		date 2023-08-04	rnd 1	type Rapid	result 1	date 2023-08-04	rnd 2	type Rapid	result 1
		Opponent Tromp, D (Daniel)				Opponent Mofutsanyana, M (Mpumelelo)
2	1	Tournament Bloemfontein Highschool League 02 Aug 2024				Tournament Bloemfontein Highschool League 02 Aug 2024
		date 2024-08-02	rnd 1	type Rapid	result 1	date 2024-08-02	rnd 1	type Rapid	result 1
		Opponent Golele, K (Khensani)				Opponent Golele, K (Khensani)
3	1	Tournament August Primary School Chess Festival 2023				Tournament August Primary School Chess Festival 2023
		date 2023-08-04	rnd 4	type Rapid	result 1	date 2023-08-04	rnd 4	type Rapid	result 1
		Opponent Mokheti, M (Mosa)				Opponent Mokheti, M (Mosa)

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	Herselman ,E (Ewald Conrad)	1	1	425	1	1	425	0	0	0	0	0	0
1	Herselman ,E (Ewald Conrad)	1	1185.5	1610.5	1	1184.6	1610.5	0	0	0	0	0	0
2	Lu ,L (Lara)	1	1	425	1	1	425	0	0	0	0	0	0
2	Lu ,L (Lara)	1	1264.5	1689.5	1	1288.5	1689.5	0	0	0	0	0	0
3	Moalusi ,P (Palesa)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Moalusi ,P (Palesa)	1	1300.1	875.1	1	1300.6	875.1	0	0	0	0	0	0
4	Williams ,S (Shmuel)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Williams ,S (Shmuel)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Zabayo ,P (Praise)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Zabayo ,P (Praise)	1	1251.4	826.4	1	1262.6	826.4	0	0	0	0	0	0
6	Steyn ,W (Willem)	1	1	425	1	1	425	0	0	0	0	0	0
6	Steyn ,W (Willem)	1	1309.4	1734.4	1	1305.2	1734.4	0	0	0	0	0	0
7	Nwafor ,N (Nneka)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Nwafor ,N (Nneka)	1	1213	788	1	1222.2	788	0	0	0	0	0	0
8	Jacobus ,A (Altavio)	1	1	425	1	1	425	0	0	0	0	0	0
8	Jacobus ,A (Altavio)	1	1163.8	1588.8	1	1161.3	1588.8	0	0	0	0	0	0
9	Mokalobe ,M (Mosa)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mokalobe ,M (Mosa)	1	1345.4	920.4	1	1354.4	920.4	0	0	0	0	0	0
10	Mqakelana ,I (Iminathi)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mqakelana ,I (Iminathi)	1	1148.1	1573.1	1	1170.1	1573.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Lu, A (Arin)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms