Chess South Africa Ratings Database

PLAYER PAGE

Personal

Grundlingh, A (Alex Jared)

Chess SA id

1090305261

FIDE id

Date of birth

2009-01-28 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

15.9

Junior GPX Points

1150.7

Item	Main	Standard	Rapid	Blitz
Rating	1267.8	1265.3	1245.1	1200
Raw rating	1260.5	1259.5	1245.1	1200
Weighted rating	1267.8	1265.3	1243.2	1200
Weighted performance	1115.4	1155.1	0	0
Floor	799.1	782.5	780	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.1	152.3	155.5	165.8
Highest rating	1487.6 2024-07-01	1387.5 2024-05-01	1631.7 2024-07-01	1200 2024-05-01
Highest raw rating	1299.1 2024-10-01	1282.5 2025-06-01	1280 2024-08-01	1200 2024-05-01
Highest weighted rating	1299.1 2024-10-01	1282.5 2024-10-01	1280 2024-10-01	1200 2024-05-01
Highest weighted performance	1487.6 2024-07-01	1387.5 2024-05-01	1631.7 2024-07-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.5	0.7	0	0
New rating	1268.3	1266	1245.1	1200
Analysis
Rating	1267.8	1265.3	1245.1	1200
Raw rating	1260.5	1259.5	1245.1	1200
Weighted rating	1267.8	1265.3	1243.2
Weighted performance	1115.4	1155.1	0
K-factor	36	36	36	36
Floor	799.1	782.5	780	700
Max/Min rating change allowed	152.1	152.3	155.5	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	1260.5	1259.5	1245.1	1200
New weighted rating	1268.3	1266	1244	1200
New weighted performance	1108.3	1147.7	0	0
Temp new rating	1268.3	1266	1245.1	1200
Temp new rating +/-	0.5	0.7	0	0
Final new rating +/-	0.5	0.7	0	0
New rating	1268.3	1266	1245.1	1200
New K-factor	36	36	36	36
New floor	799.1	782.5	780	700

Item	Main	Standard	Rapid
	0	0	0
	13	13	0
	24	15	9
	0	0	0
	0	0	0
	0	0	0
History	37	28	9

Games since
	Main 37	Standard 28		Rapid 9		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
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	13	6	46.15	-32.7	1273.1	1240.4
Standard	13	6	46.15	-32.7	1273.1	1240.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	37	20.5	55.41	45.9	1259.7	1305.6
Standard	28	14.5	51.79	15.2	1278.1	1293.3
Rapid	9	6	66.67	141.7	1202.3	1343.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1260.5	1259.5	1245.1	1200
2025-09-30	1264.1	1262.8	1245.1	1200
2025-09-01	1264.1	1262.8	1245.1	1200
2025-08-01	1280.3	1282.5	1245.1	1200
2025-07-01	1280.3	1282.5	1245.1	1200
2025-06-01	1280.3	1282.5	1245.1	1200
2025-05-01	1275.3	1276.7	1245.1	1200
2025-04-01	1275.3	1276.7	1245.1	1200
2025-03-01	1275.3	1276.7	1245.1	1200
2025-02-01	1275.3	1276.7	1245.1	1200
2025-01-01	1275.3	1276.7	1245.1	1200
2024-12-01	1275.3	1276.7	1245.1	1200
2024-11-01	1275.3	1276.7	1245.1	1200
2024-10-01	1299.1	1276.7	1280	1200
2024-09-01	1285.7	1243.6	1280	1200
2024-08-01	1285.7	1243.6	1280	1200
2024-07-01	1237.2	1243.6	1200	1200
2024-09-01	1237.2	1243.6	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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 Gauteng Top Schools Teams (U17)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	3	1	Yes	Analysis
2	D6 High School Teams Final 2025 (U17)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	D6 HS Teams Alberton & Germiston 2025 (U17A)	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	2025 Gauteng Top Schools Teams (U17)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	3	1	Yes	Analysis
2	D6 High School Teams Final 2025 (U17)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	D6 HS Teams Alberton & Germiston 2025 (U17A)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Gauteng Top Schools 2024 (U15 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
5	2024 D6 Team Finals (U15)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
6	Gauteng Schools Individuals Finals 2024 (U15 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
7	2024 D6 Teams (Pool A U15)	2024-07-13	2024-07-13	Rapid	Ekurhuleni (GE)	5	4	4	Yes	Analysis
8	D6 High School Individual Final 2024 (U15 Boys)	2024-05-18	2024-05-18	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament D6 High School Individual Final 2024				Tournament 2024 D6 Team Finals
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Mashele, V (Vuthlari)				Opponent Allnutt, K (Kuen)
2	3	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 High School Teams Final 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Mahlangu, C (Chris)				Opponent Bestbier, A (Anika)
3	3	Tournament Gauteng Top Schools 2024				Tournament D6 HS Teams Alberton & Germiston 2025
		date 2024-10-05	rnd 4	type Rapid	result 0.5	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Kinosi, C (Christo)				Opponent Lengoasa, K (Kagiso)

#	Games	Start				End
1	4	Tournament D6 High School Individual Final 2024				Tournament 2024 D6 Team Finals
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Mashele, V (Vuthlari)				Opponent Allnutt, K (Kuen)
2	3	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 High School Teams Final 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Mahlangu, C (Chris)				Opponent Bestbier, A (Anika)
3	3	Tournament 2024 D6 Team Finals				Tournament 2024 D6 Team Finals
		date 2024-08-03	rnd 3	type Standard	result 0.5	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Strydom, K (Keagan)				Opponent Mndebele, A (Abongwe)

#	Games	Start				End
1	4	Tournament 2024 D6 Teams				Tournament 2024 D6 Teams
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Ramacharan, J (Jiya)				Opponent Mohadi, N (Ntanto)
2	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 0.5	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Kinosi, C (Christo)				Opponent Horne, T (Tiaan)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 2	type Rapid	result 0.5	date 2024-10-05	rnd 2	type Rapid	result 0.5
		Opponent Elekwa, T (Thapelo)				Opponent Elekwa, T (Thapelo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2024 D6 Teams				Tournament 2024 D6 Team Finals
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Ramacharan, J (Jiya)				Opponent Allnutt, K (Kuen)
2	3	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 High School Teams Final 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Mahlangu, C (Chris)				Opponent Bestbier, A (Anika)
3	2	Tournament Gauteng Top Schools 2024				Tournament D6 HS Teams Alberton & Germiston 2025
		date 2024-10-05	rnd 5	type Rapid	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Horne, T (Tiaan)				Opponent Lengoasa, K (Kagiso)

#	Games	Start				End
1	3	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 High School Teams Final 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Mahlangu, C (Chris)				Opponent Bestbier, A (Anika)
2	2	Tournament 2024 D6 Team Finals				Tournament 2024 D6 Team Finals
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Dhlamini, B (Banele)				Opponent Mndebele, A (Abongwe)
3	2	Tournament D6 High School Individual Final 2024				Tournament D6 High School Individual Final 2024
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-05-18	rnd 4	type Standard	result 1
		Opponent Mashele, V (Vuthlari)				Opponent Niemand, Z (Zandrieg)

#	Games	Start				End
1	4	Tournament 2024 D6 Teams				Tournament 2024 D6 Teams
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Ramacharan, J (Jiya)				Opponent Mohadi, N (Ntanto)
2	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 5	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Horne, T (Tiaan)				Opponent Horne, T (Tiaan)

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	Mahlangu ,C (Chris)	2	1	0	2	1	0	0	0	0	0	0	0
1	Mahlangu ,C (Chris)	2	1209.8	1209.8	2	1211.6	1209.8	0	0	0	0	0	0
2	Delihlazo ,M (Mihle)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Delihlazo ,M (Mihle)	2	1313.6	888.6	2	1326.4	888.6	0	0	0	0	0	0
3	Allnutt ,K (Kuen)	2	2	425	1	1	425	1	1	425	0	0	0
3	Allnutt ,K (Kuen)	2	1215.6	1640.6	1	1200	1640.6	1	1200	1640.6	0	0	0
4	Beyers ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
4	Beyers ,D (Daniel)	1	1241.4	1666.4	1	1251.9	1666.4	0	0	0	0	0	0
5	Monosi ,K (Katleho)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Monosi ,K (Katleho)	1	1203.3	778.3	1	1186.8	778.3	0	0	0	0	0	0
6	Jooste ,J (Josh)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Jooste ,J (Josh)	1	1515.4	1090.4	1	1511.9	1090.4	0	0	0	0	0	0
7	Hattingh ,T (Tiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Hattingh ,T (Tiaan)	1	1302.4	877.4	1	1293.4	877.4	0	0	0	0	0	0
8	Ngobe ,S (Siyabonga)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Ngobe ,S (Siyabonga)	1	1421	996	1	1423.9	996	0	0	0	0	0	0
9	Niemand ,Z (Zandrieg)	1	1	425	1	1	425	0	0	0	0	0	0
9	Niemand ,Z (Zandrieg)	1	1165.1	1590.1	1	1154	1590.1	0	0	0	0	0	0
10	Dhlamini ,B (Banele)	1	1	425	1	1	425	0	0	0	0	0	0
10	Dhlamini ,B (Banele)	1	1155.6	1580.6	1	1200	1580.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Grundlingh, A (Alex Jared)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms