Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pienaar, I (Ian)

Chess SA id

109090787

FIDE id

Date of birth

2009-05-23 (U18)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1217.4

Item	Main	Standard	Rapid	Blitz
Rating	1342.7	1319.7	1288.8	1200
Raw rating	1337.8	1317.3	1288.8	1200
Weighted rating	1342.7	1319.7	1285.3	1200
Weighted performance	1209.3	1145.3	0	0
Floor	856.6	830.1	788.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	136.3	140.3	146.1	165.8
Highest rating	1356.6 2024-10-01	1413.7 2022-05-01	1288.8 2024-08-01	1200 2018-10-01
Highest raw rating	1356.6 2024-10-01	1330.1 2024-10-01	1288.8 2024-08-01	1200 2024-02-01
Highest weighted rating	1342.2 2025-09-01	1330.1 2025-05-05	1282.4 2025-08-01	1200 2018-10-01
Highest weighted performance	1295.5 2024-09-01	1413.7 2022-05-01	1286.7 2019-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	0.1	0	0
New rating	1342.8	1319.9	1288.8	1200
Analysis
Rating	1342.7	1319.7	1288.8	1200
Raw rating	1337.8	1317.3	1288.8	1200
Weighted rating	1342.7	1319.7	1285.3
Weighted performance	1209.3	1145.3	0
K-factor	36	36	36	36
Floor	856.6	830.1	788.8	700
Max/Min rating change allowed	136.3	140.3	146.1	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	1337.8	1317.3	1288.8	1200
New weighted rating	1342.8	1319.9	1286.1	1200
New weighted performance	1201.4	1137.4	0	0
Temp new rating	1342.8	1319.9	1288.8	1200
Temp new rating +/-	0.1	0.1	0	0
Final new rating +/-	0.1	0.1	0	0
New rating	1342.8	1319.9	1288.8	1200
New K-factor	36	36	36	36
New floor	856.6	830.1	788.8	700

Item	Main	Standard	Rapid
	0	0	0
	10	10	0
	8	4	4
	5	0	5
	15	15	0
	0	0	0
History	53	29	24

Games since
	Main 18	Standard 14		Rapid 4		Blitz 0
Gender	Male
Age group	U18
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
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	10	6	60	85	1192.5	1277.5
Standard	10	6	60	85	1192.5	1277.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	48	32.5	67.71	150.5	1203.3	1353.9
Standard	29	19.5	67.24	146.6	1214.5	1361
Rapid	19	13	68.42	156.6	1186.3	1342.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1337.8	1317.3	1288.8	1200
2025-09-30	1337.8	1317.3	1288.8	1200
2025-09-01	1337.8	1317.3	1288.8	1200
2025-08-01	1341.8	1318.9	1288.8	1200
2025-07-01	1341	1318.4	1288.8	1200
2025-06-01	1340	1317.4	1288.8	1200
2025-05-01	1356.6	1330.1	1288.8	1200
2025-04-01	1356.6	1330.1	1288.8	1200
2025-03-01	1356.6	1330.1	1288.8	1200
2025-02-01	1356.6	1330.1	1288.8	1200
2025-01-01	1356.6	1330.1	1288.8	1200
2024-12-01	1356.6	1330.1	1288.8	1200
2024-11-01	1356.6	1330.1	1288.8	1200
2024-10-01	1356.6	1330.1	1288.8	1200
2024-09-01	1335.1	1302.4	1288.8	1200
2024-08-01	1335.1	1302.4	1288.8	1200
2024-07-01	1314.1	1302.4	1259.6	1200
2024-09-01	1314.1	1302.4	1259.6	1200
2024-05-01	1314.1	1302.4	1259.6	1200
2024-04-01	1314.1	1302.4	1259.6	1200
2024-03-01	1314.1	1302.4	1259.6	1200
2024-02-01	1314.1	1302.4	1259.6	1200
2024-01-01	1314.1	1302.4	1259.6	1200
2023-12-01	1314.1	1302.4	1259.6	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	D6 High School Teams Final 2025 (U19)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	D6 HS Teams Alberton & Germiston 2025 (U19A)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	D6 High School Teams Final 2025 (U19)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	D6 HS Teams Alberton & Germiston 2025 (U19A)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	2024 D6 Team Finals (U15)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
4	2024 D6 Teams (Pool A U15)	2024-07-13	2024-07-13	Rapid	Ekurhuleni (GE)	5	4	3	Yes	Analysis
5	Gauteng Open Arnold Classic 2023 (U16)	2023-05-19	2023-05-19	Rapid	Tshwane (GTP)	5	5	3.5	Yes	Analysis
6	Ekurhuleni Trials 2 2022 (U14)	2022-05-28	2022-05-28	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
7	Ekurhuleni Trials 1 2022 (U14)	2022-04-23	2022-04-23	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
8	JNW Trinityhouse LF 2022 (Contenders)	2022-03-12	2022-03-12	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
9	2019 Super 12 Laerskole (Juniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	4	Yes	Analysis
10	2018 Super 12 (Junior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament Ekurhuleni Trials 2 2022				Tournament Gauteng Open Arnold Classic 2023
		date 2022-05-28	rnd 2	type Standard	result 1	date 2023-05-19	rnd 2	type Rapid	result 1
		Opponent Nkoane, P (Pontsho)				Opponent Whitehead, A (Alexander)
2	5	Tournament 2024 D6 Teams				Tournament 2024 D6 Team Finals
		date 2024-07-13	rnd 5	type Rapid	result 1	date 2024-08-03	rnd 5	type Standard	result 0.5
		Opponent Buthelezi, S (Sihle)				Opponent Mahlaula, T (Tokollo)
3	4	Tournament Gauteng Open Arnold Classic 2023				Tournament 2024 D6 Teams
		date 2023-05-19	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Onyia, K (Kabelo)				Opponent Marais, C (Caleb)

#	Games	Start				End
1	8	Tournament Ekurhuleni Trials 2 2022				Tournament 2024 D6 Team Finals
		date 2022-05-28	rnd 2	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 0.5
		Opponent Nkoane, P (Pontsho)				Opponent Mahlaula, T (Tokollo)
2	3	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 HS Teams Alberton & Germiston 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Vuthlari, M (Mashele)				Opponent Lukhozi, N (Noluthando)
3	3	Tournament Ekurhuleni Trials 1 2022				Tournament Ekurhuleni Trials 1 2022
		date 2022-04-23	rnd 3	type Standard	result 1	date 2022-04-23	rnd 5	type Standard	result 1
		Opponent Dippenaar, KR (Keanu Roy)				Opponent Bothma, J (Jaculene)

#	Games	Start				End
1	4	Tournament Gauteng Open Arnold Classic 2023				Tournament 2024 D6 Teams
		date 2023-05-19	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Onyia, K (Kabelo)				Opponent Marais, C (Caleb)
2	4	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 0.5	date 2018-05-05	rnd 4	type Rapid	result 0.5
		Opponent Wilken, D (Danieke)				Opponent Nel, L (Liam)
3	3	Tournament 2019 Super 12 Laerskole				Tournament Gauteng Open Arnold Classic 2023
		date 2019-05-04	rnd 5	type Rapid	result 1	date 2023-05-19	rnd 2	type Rapid	result 1
		Opponent Nel, D (Dawid)				Opponent Whitehead, A (Alexander)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Ekurhuleni Trials 2 2022				Tournament Gauteng Open Arnold Classic 2023
		date 2022-05-28	rnd 2	type Standard	result 1	date 2023-05-19	rnd 2	type Rapid	result 1
		Opponent Nkoane, P (Pontsho)				Opponent Whitehead, A (Alexander)
2	3	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 HS Teams Alberton & Germiston 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Vuthlari, M (Mashele)				Opponent Lukhozi, N (Noluthando)
3	3	Tournament Ekurhuleni Trials 1 2022				Tournament Ekurhuleni Trials 1 2022
		date 2022-04-23	rnd 3	type Standard	result 1	date 2022-04-23	rnd 5	type Standard	result 1
		Opponent Dippenaar, KR (Keanu Roy)				Opponent Bothma, J (Jaculene)

#	Games	Start				End
1	4	Tournament Ekurhuleni Trials 2 2022				Tournament Ekurhuleni Trials 2 2022
		date 2022-05-28	rnd 2	type Standard	result 1	date 2022-05-28	rnd 5	type Standard	result 1
		Opponent Nkoane, P (Pontsho)				Opponent Monteiro Correia, M (Maya)
2	3	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 HS Teams Alberton & Germiston 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Vuthlari, M (Mashele)				Opponent Lukhozi, N (Noluthando)
3	3	Tournament Ekurhuleni Trials 1 2022				Tournament Ekurhuleni Trials 1 2022
		date 2022-04-23	rnd 3	type Standard	result 1	date 2022-04-23	rnd 5	type Standard	result 1
		Opponent Dippenaar, KR (Keanu Roy)				Opponent Bothma, J (Jaculene)

#	Games	Start				End
1	3	Tournament 2019 Super 12 Laerskole				Tournament Gauteng Open Arnold Classic 2023
		date 2019-05-04	rnd 5	type Rapid	result 1	date 2023-05-19	rnd 2	type Rapid	result 1
		Opponent Nel, D (Dawid)				Opponent Whitehead, A (Alexander)
2	3	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Zwane, P (Precious)				Opponent Theron, J (Jayden)
3	2	Tournament 2024 D6 Teams				Tournament 2024 D6 Teams
		date 2024-07-13	rnd 1	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Kalipa, C (Chulumanco)				Opponent Marais, C (Caleb)

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	Deans ,J (Jarred)	2	1	0	2	1	0	0	0	0	0	0	0
1	Deans ,J (Jarred)	2	1095.7	1095.7	2	1089.9	1095.7	0	0	0	0	0	0
2	Saunders ,W (Wayde)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
2	Saunders ,W (Wayde)	2	1447.8	1235.2	1	1394.4	1447.8	1	1273.6	1022.8	0	0	0
3	Botha ,A (Andrea)	1	1	425	1	1	425	0	0	0	0	0	0
3	Botha ,A (Andrea)	1	1221.2	1646.2	1	1212.8	1646.2	0	0	0	0	0	0
4	Mahlaula ,T (Tokollo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Mahlaula ,T (Tokollo)	1	1229.6	1229.6	1	1200	1229.6	0	0	0	0	0	0
5	Vuthlari ,M (Mashele)	1	1	425	1	1	425	0	0	0	0	0	0
5	Vuthlari ,M (Mashele)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Bijker ,W (Waldo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Bijker ,W (Waldo)	1	1219.5	794.5	1	1220.6	794.5	0	0	0	0	0	0
7	Maharaj ,M (Mihiir)	1	1	425	1	1	425	0	0	0	0	0	0
7	Maharaj ,M (Mihiir)	1	1223.6	1648.6	1	1226.4	1648.6	0	0	0	0	0	0
8	Lukhozi ,N (Noluthando)	1	1	425	1	1	425	0	0	0	0	0	0
8	Lukhozi ,N (Noluthando)	1	1140.6	1565.6	1	1128.4	1565.6	0	0	0	0	0	0
9	Stoltz ,DJ (Duncan Johan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Stoltz ,DJ (Duncan Johan)	1	1177.8	1602.8	1	1177.6	1602.8	0	0	0	0	0	0
10	Pieterse ,EG (Erik Georg)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Pieterse ,EG (Erik Georg)	1	1179	1179	1	1171.9	1179	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Pienaar, I (Ian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms