Chess South Africa Ratings Database

PLAYER PAGE

Personal

Prinsloo, A (Alexander)

Chess SA id

1140135554

FIDE id

Date of birth

2014-11-05 (U12)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1477.6

Item	Main	Standard	Rapid	Blitz
Rating	1550.1	1546.9	864.2	647.8
Raw rating	1542.6	1546	864.2	647.8
Weighted rating	1434.2	1432.1	850.1	647.8
Weighted performance	1550.1	1546.9	0	0
Floor	1042.6	1046	500	500
K-factor	32	32	40	40
Min/Max rating change allowed	101.8	101.3	267.5	364.2
Highest rating	1550.1 2025-11-01	1546.9 2025-11-01	1262.8 2022-11-01	1200 2024-02-01
Highest raw rating	1542.6 2025-11-01	1546 2025-11-01	864.2 2024-08-01	647.8 2024-02-01
Highest weighted rating	1511.5 2025-02-01	1510.4 2025-02-01	864.2 2024-11-01	647.8 2024-11-01
Highest weighted performance	1550.1 2025-11-01	1546.9 2025-11-01	1262.8 2022-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-7.5	-0.9	0	0
New rating	1542.6	1546	864.2	647.8
Analysis
Rating	1550.1	1546.9	864.2	647.8
Raw rating	1542.6	1546	864.2	647.8
Weighted rating	1434.2	1432.1	850.1
Weighted performance	1550.1	1546.9	0
K-factor	32	32	40	40
Floor	1042.6	1046	500	500
Max/Min rating change allowed	101.8	101.3	267.5	364.2
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	1542.6	1546	864.2	647.8
New weighted rating	1445.1	1443.7	853.2	647.8
New weighted performance	1540.7	1537.5	0	0
Temp new rating	1542.6	1546	864.2	647.8
Temp new rating +/-	-7.5	-0.9	0	0
Final new rating +/-	-7.5	-0.9	0	0
New rating	1542.6	1546	864.2	647.8
New K-factor	32	32	40	40
New floor	1042.6	1046	500	500

Item	Main	Standard	Rapid
	0	0	0
	35	35	0
	41	34	7
	60	60	0
	74	69	5
	5	5	0
History	215	203	12

Games since
	Main 76	Standard 69		Rapid 7		Blitz 0
Gender	Male
Age group	U12
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	921		332		117
Male	815		287		98
U12	77		33		9
U12 Male	61		23		7
Standard
	RSA		Province		Region
Overall	885		338		114
Male	779		291		94
U12	77		36		10
U12 Male	60		24		8
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	35	23	65.71	133.6	1375.4	1509
Standard	35	23	65.71	133.6	1375.4	1509
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	215	123	57.21	61.3	1294.2	1355.4
Standard	203	117.5	57.88	67	1288.5	1355.5
Rapid	12	5.5	45.83	-35.4	1389.9	1354.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1542.6	1546	864.2	647.8
2025-09-30	1516.3	1515.6	864.2	647.8
2025-09-01	1516.3	1515.6	864.2	647.8
2025-08-01	1511.5	1510.4	864.2	647.8
2025-07-01	1511.5	1510.4	864.2	647.8
2025-06-01	1413.2	1416	864.2	647.8
2025-05-01	1398	1397.7	864.2	647.8
2025-04-01	1376.7	1370.7	864.2	647.8
2025-03-01	1370.8	1365	864.2	647.8
2025-02-01	1388.1	1388.4	864.2	647.8
2025-01-01	1388.1	1388.4	864.2	647.8
2024-12-01	1404	1406	864.2	647.8
2024-11-01	1404	1406	864.2	647.8
2024-10-01	1357.5	1349	864.2	647.8
2024-09-01	1357.5	1349	864.2	647.8
2024-08-01	1376.8	1367.2	864.2	647.8
2024-07-01	1376.2	1367.2	746.6	647.8
2024-09-01	1376.2	1367.2	746.6	647.8
2024-05-01	1379.4	1374.2	746.6	647.8
2024-04-01	1379.4	1374.2	746.6	647.8
2024-03-01	1379.4	1374.2	746.6	647.8
2024-02-01	1379.4	1374.2	746.6	647.8
2024-01-01	1316.8	1300.9	746.6	647.8
2023-12-01	1316.8	1300.9	746.6	647.8

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 (U11)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	JMC Closed 2025 (U12)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
3	JMC Helpmekaar 2025 (U12)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
4	JMC Crawford Sandton 2025 (U12)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
5	2025 Mid Gauteng Open Chess Tournament (U12)	2025-04-12	2025-04-12	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	2nd Knight Riders Junior Open 2025 (C)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	MCA Welcome 2025 (Intermediate)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	1.5	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 (U11)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	JMC Closed 2025 (U12)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
3	JMC Helpmekaar 2025 (U12)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
4	JMC Crawford Sandton 2025 (U12)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
5	2025 Mid Gauteng Open Chess Tournament (U12)	2025-04-12	2025-04-12	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	2nd Knight Riders Junior Open 2025 (C)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	MCA Welcome 2025 (Intermediate)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
8	Gauteng Inter-Region at UJ 2024 (U12 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
9	Gauteng Top Schools 2024 (U11 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
10	JMC Closed 2024 (C)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
11	JMC NG Weltevreden Church 2024	2024-06-29	2024-06-29	Rapid	Johannesburg Metro (GJM)	7	7	3	Yes	Analysis
12	South African Junior Closed Chess Championship 2024 (U10 Open)	2024-04-27	2024-05-01	Standard	Ekurhuleni (GE)	9	9	4	Yes	Analysis
13	2024 Gauteng Inter-Region Chess Championship (U10A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
14	JMC Kick Off Tournament 2024 (D)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
15	2023 Centurion Chess Open (C)	2023-09-23	2023-09-23	Standard	Tshwane (GTP)	5	4	0.5	Yes	Analysis
16	JMC Closed Aug 2023 (U10)	2023-08-04	2023-08-06	Standard	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
17	Bojanala's FIDE in the Sparkling Waters 2023 (Junior)	2023-07-29	2023-07-29	Standard	Bojanala Platina (NBR)	6	6	4.5	Yes	Analysis
18	JMC Trinity Little Falls 2023 (C)	2023-07-02	2023-07-02	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
19	Wynie Robbertse Open Tournament 2023 (C)	2023-06-03	2023-06-03	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
20	2023 Mid Gauteng Open Tournament (C)	2023-05-06	2023-05-06	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
21	Gauteng Open Arnold Classic 2023 (C)	2023-05-20	2023-05-20	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
22	2023 South African Junior Closed Chess Championships (U10 Boys)	2023-03-31	2023-04-04	Standard	Chess South Africa (CSA)	9	9	4.5	Yes	Analysis
23	JNW Open - Crawford 2023 (C)	2023-03-04	2023-03-04	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
24	Laerskool Constantiapark Open Chess Tournament 2023 (U10)	2023-02-18	2023-02-18	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
25	2023 Tshwane Chess Open Registration Tournament (C2)	2023-01-28	2023-01-28	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
26	2022 South African Junior Wild Card Chess Championships (U10 Open)	2022-12-09	2022-12-12	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
27	2022 South African Junior Team Chess Championships (U10 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	7	7	Yes	Analysis
28	CPH Chess Clubs Challenge 2022 (Primary Schools)	2022-11-12	2022-11-12	Rapid	Johannesburg Metro (GJM)	6	5	2.5	Yes	Analysis
29	JMC 3rd Trials 2022 (U10)	2022-09-11	2022-09-11	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
30	JMC Womens Day 2022 (U10)	2022-08-06	2022-08-06	Standard	Johannesburg Metro (GJM)	5	4	1.5	Yes	Analysis
31	JMC 2nd Trials 2022 (C)	2022-08-27	2022-08-27	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
32	2022 Jacaranda Round Robin (S)	2022-07-30	2022-07-30	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
33	JMC Trials 1 - Laerskool Fontainebleau 2022 (U10)	2022-07-24	2022-07-24	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
34	2022 Blou Bul Open (E)	2022-06-25	2022-06-25	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
35	Chessheroes Youth Day 2022 (U9)	2022-06-22	2022-06-22	Standard	Johannesburg Metro (GJM)	6	6	3.5	Yes	Analysis
36	2022 Milos Ristic Open Chess Tournament (E)	2022-05-28	2022-05-28	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
37	Goforchess Junior Championship 2022 (Grayston)	2022-03-06	2022-03-06	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
38	2022 Gauteng Interregion (U8 Open+Girls)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
39	2022 Tshwane Chess Open Registration Tournament (E)	2022-01-29	2022-01-29	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
40	JMC Everest 2021 (E)	2021-10-30	2021-10-30	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	10	Tournament JMC Crawford Sandton 2025				Tournament JMC Closed 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 0.5
		Opponent Scholtz, I (Imke)				Opponent Prinsloo, N (Nicholas)
2	9	Tournament JMC Trinity Little Falls 2023				Tournament Bojanala's FIDE in the Sparkling Waters 2023
		date 2023-07-02	rnd 2	type Standard	result 0.5	date 2023-07-29	rnd 5	type Standard	result 1
		Opponent Kayiya, A (Anashe)				Opponent Naidoo, D (Danika)
3	7	Tournament JMC Closed 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-11	rnd 5	type Standard	result 0.5	date 2024-12-07	rnd 1	type Standard	result 1
		Opponent Botha, A (Andrea)				Opponent Tlou, L (Lefa Isaac)

#	Games	Start				End
1	10	Tournament JMC Crawford Sandton 2025				Tournament JMC Closed 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 0.5
		Opponent Scholtz, I (Imke)				Opponent Prinsloo, N (Nicholas)
2	9	Tournament JMC Trinity Little Falls 2023				Tournament Bojanala's FIDE in the Sparkling Waters 2023
		date 2023-07-02	rnd 2	type Standard	result 0.5	date 2023-07-29	rnd 5	type Standard	result 1
		Opponent Kayiya, A (Anashe)				Opponent Naidoo, D (Danika)
3	8	Tournament JMC 3rd Trials 2022				Tournament 2022 South African Junior Team Chess Championships
		date 2022-09-11	rnd 5	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 1
		Opponent Brooks, M (Michael)				Opponent Mulholland, O (Otto)

#	Games	Start				End
1	2	Tournament JMC NG Weltevreden Church 2024				Tournament JMC NG Weltevreden Church 2024
		date 2024-06-29	rnd 5	type Rapid	result 1	date 2024-06-29	rnd 6	type Rapid	result 1
		Opponent Moyo, M (Mukudzei)				Opponent Immerman, M (Mikayla)
2	2	Tournament CPH Chess Clubs Challenge 2022				Tournament CPH Chess Clubs Challenge 2022
		date 2022-11-12	rnd 1	type Rapid	result 0.5	date 2022-11-12	rnd 2	type Rapid	result 1
		Opponent Hu-Grobbelaar, L (Lalu)				Opponent Kay, J (Jaime Leo)
3	1	Tournament JMC NG Weltevreden Church 2024				Tournament JMC NG Weltevreden Church 2024
		date 2024-06-29	rnd 2	type Rapid	result 1	date 2024-06-29	rnd 2	type Rapid	result 1
		Opponent Orren, JJ (Jade Junior)				Opponent Orren, JJ (Jade Junior)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament 2023 Tshwane Chess Open Registration Tournament				Tournament Laerskool Constantiapark Open Chess Tournament 2023
		date 2023-01-28	rnd 4	type Standard	result 1	date 2023-02-18	rnd 5	type Standard	result 1
		Opponent Du Bruyn, D (Dylan)				Opponent Vermaak, A (Alri)
2	7	Tournament 2022 South African Junior Team Chess Championships				Tournament 2022 South African Junior Team Chess Championships
		date 2022-12-04	rnd 1	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 1
		Opponent Scheeld, L (Liam)				Opponent Mulholland, O (Otto)
3	6	Tournament JMC Trinity Little Falls 2023				Tournament Bojanala's FIDE in the Sparkling Waters 2023
		date 2023-07-02	rnd 3	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Sirwe, O (Oratile)				Opponent Mogatusi, O (Orateng)

#	Games	Start				End
1	8	Tournament JMC 3rd Trials 2022				Tournament 2022 South African Junior Team Chess Championships
		date 2022-09-11	rnd 5	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 1
		Opponent Brooks, M (Michael)				Opponent Mulholland, O (Otto)
2	7	Tournament 2023 Tshwane Chess Open Registration Tournament				Tournament Laerskool Constantiapark Open Chess Tournament 2023
		date 2023-01-28	rnd 4	type Standard	result 1	date 2023-02-18	rnd 5	type Standard	result 1
		Opponent Du Bruyn, D (Dylan)				Opponent Vermaak, A (Alri)
3	6	Tournament JMC Trinity Little Falls 2023				Tournament Bojanala's FIDE in the Sparkling Waters 2023
		date 2023-07-02	rnd 3	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Sirwe, O (Oratile)				Opponent Mogatusi, O (Orateng)

#	Games	Start				End
1	2	Tournament JMC NG Weltevreden Church 2024				Tournament JMC NG Weltevreden Church 2024
		date 2024-06-29	rnd 5	type Rapid	result 1	date 2024-06-29	rnd 6	type Rapid	result 1
		Opponent Moyo, M (Mukudzei)				Opponent Immerman, M (Mikayla)
2	1	Tournament JMC NG Weltevreden Church 2024				Tournament JMC NG Weltevreden Church 2024
		date 2024-06-29	rnd 2	type Rapid	result 1	date 2024-06-29	rnd 2	type Rapid	result 1
		Opponent Orren, JJ (Jade Junior)				Opponent Orren, JJ (Jade Junior)
3	1	Tournament CPH Chess Clubs Challenge 2022				Tournament CPH Chess Clubs Challenge 2022
		date 2022-11-12	rnd 5	type Rapid	result 1	date 2022-11-12	rnd 5	type Rapid	result 1
		Opponent Chinoruma, K (Kupa)				Opponent Chinoruma, K (Kupa)

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	Prinsloo ,N (Nicholas)	6	3.5	70.8	6	3.5	70.8	0	0	0	0	0	0
1	Prinsloo ,N (Nicholas)	6	1368.3	1439.1	6	1360.2	1439.1	0	0	0	0	0	0
2	Subroyen ,J (Jeevesh)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
2	Subroyen ,J (Jeevesh)	3	1318.5	1601.9	3	1316.5	1601.9	0	0	0	0	0	0
3	Brooks ,M (Michael)	3	3	425	3	3	425	0	0	0	0	0	0
3	Brooks ,M (Michael)	3	1065.9	1490.9	3	1055.1	1490.9	0	0	0	0	0	0
4	Van Loggerenberg ,E (Elandre)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
4	Van Loggerenberg ,E (Elandre)	3	1447.1	1447.1	3	1428.7	1447.1	0	0	0	0	0	0
5	Ma ,M (Matthew)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
5	Ma ,M (Matthew)	3	1287.9	1429.5	3	1280.7	1429.5	0	0	0	0	0	0
6	Wessels ,T (Theodore)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
6	Wessels ,T (Theodore)	3	1401.7	1543.3	3	1403.3	1543.3	0	0	0	0	0	0
7	Mallach ,D (Daniel)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
7	Mallach ,D (Daniel)	3	1439.9	1156.5	3	1410.1	1156.5	0	0	0	0	0	0
8	Parag ,A (Aadya)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
8	Parag ,A (Aadya)	3	1326.5	1326.5	3	1322.2	1326.5	0	0	0	0	0	0
9	Eapen ,J (Johan)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Eapen ,J (Johan)	2	1416.2	991.2	2	1457.3	991.2	0	0	0	0	0	0
10	Steyn ,M (Mari-Louise)	2	2	425	2	2	425	0	0	0	0	0	0
10	Steyn ,M (Mari-Louise)	2	1336.2	1761.2	2	1329.2	1761.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Prinsloo, A (Alexander)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms