Chess South Africa Ratings Database

PLAYER PAGE

Personal

Andrews, J (Jason)

Chess SA id

108084071

FIDE id

Date of birth

2008-06-17 (U18)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1439.9	1441.9	1288.6	1200
Raw rating	1439.9	1441.9	1288.6	1200
Weighted rating	1438.6	1436.9	1286.3	1200
Weighted performance	1234.5	1256	0	0
Floor	969.9	963.6	804.7	700
K-factor	32	32	36	36
Min/Max rating change allowed	117.8	117.5	146.2	165.8
Highest rating	1475.2 2024-06-01	1465.7 2024-06-01	1550.5 2023-04-01	1200 2018-10-01
Highest raw rating	1469.9 2024-05-01	1463.6 2024-05-01	1304.7 2024-02-01	1200 2024-02-01
Highest weighted rating	1435 2025-08-01	1430 2025-08-01	1304.7 2024-10-01	1200 2018-10-01
Highest weighted performance	1475.2 2024-06-01	1465.7 2024-06-01	1550.5 2023-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1439.9	1441.9	1288.6	1200
Analysis
Rating	1439.9	1441.9	1288.6	1200
Raw rating	1439.9	1441.9	1288.6	1200
Weighted rating	1438.6	1436.9	1286.3
Weighted performance	1234.5	1256	0
K-factor	32	32	36	36
Floor	969.9	963.6	804.7	700
Max/Min rating change allowed	117.8	117.5	146.2	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	1439.9	1441.9	1288.6	1200
New weighted rating	1439.4	1438.5	1286.2	1200
New weighted performance	1226.4	1247.7	0	0
Temp new rating	1439.9	1441.9	1288.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1439.9	1441.9	1288.6	1200
New K-factor	32	32	36	36
New floor	969.9	963.6	804.7	700

Item	Main	Standard	Rapid
	0	0	0
	9	9	0
	36	29	7
	31	21	10
	41	41	0
	0	0	0
History	172	155	17

Games since
	Main 46	Standard 39		Rapid 7		Blitz 0
Gender	Male
Age group	U18
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1781		620		55
Male	1480		500		47
U18	286		106		9
U18 Male	249		87		8
Standard
	RSA		Province		Region
Overall	1666		617		55
Male	1380		499		46
U18	273		112		12
U18 Male	236		94		11
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	9	6	66.67	141.7	1288.5	1430.2
Standard	9	6	66.67	141.7	1288.5	1430.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	162	91.5	56.48	55.1	1214.9	1270
Standard	145	80	55.17	44	1202.7	1246.6
Rapid	17	11.5	67.65	150	1319.4	1469.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1439.9	1441.9	1288.6	1200
2025-09-30	1439.9	1441.9	1288.6	1200
2025-09-01	1439.9	1441.9	1288.6	1200
2025-08-01	1439.9	1441.9	1288.6	1200
2025-07-01	1439.9	1441.9	1288.6	1200
2025-06-01	1439.9	1441.9	1288.6	1200
2025-05-01	1439.9	1441.9	1288.6	1200
2025-04-01	1439.9	1441.9	1288.6	1200
2025-03-01	1430.7	1427.2	1288.6	1200
2025-02-01	1437.4	1435.1	1287.4	1200
2025-01-01	1437.4	1435.1	1270.5	1200
2024-12-01	1437.4	1435.1	1270.5	1200
2024-11-01	1437.4	1435.1	1270.5	1200
2024-10-01	1437.4	1435.1	1270.5	1200
2024-09-01	1459.2	1460.7	1270.5	1200
2024-08-01	1459.2	1460.7	1270.5	1200
2024-07-01	1468.6	1460.7	1304.7	1200
2024-09-01	1469.9	1463.6	1304.7	1200
2024-05-01	1469.9	1463.6	1304.7	1200
2024-04-01	1364.9	1331.7	1304.7	1200
2024-03-01	1364.9	1331.7	1304.7	1200
2024-02-01	1364.9	1331.7	1304.7	1200
2024-01-01	1380.5	1341.1	1304.7	1200
2023-12-01	1380.5	1341.1	1304.7	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	Hoerskool Drie Riviere Open 08 March 2025 (B)	2025-03-08	2025-03-08	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
2	Afrikaans High School Open 08 Feb 2025 (B)	2025-02-08	2025-02-08	Standard	Sedibeng (GSV)	5	4	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Hoerskool Drie Riviere Open 08 March 2025 (B)	2025-03-08	2025-03-08	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
2	Afrikaans High School Open 08 Feb 2025 (B)	2025-02-08	2025-02-08	Standard	Sedibeng (GSV)	5	4	3	Yes	Analysis
3	Sedibeng Chess Open 07 Sept 24 (B)	2024-09-07	2024-09-07	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
4	Eureka Open 27 July 2024 (B)	2024-07-27	2024-07-27	Standard	Sedibeng (GSV)	5	0	0	No	Analysis
5	Midvaal Winter Classic 13 July 2024 (C)	2024-07-13	2024-07-13	Rapid	Sedibeng (GSV)	7	7	3.5	Yes	Analysis
6	AG Visser Open 2024 (B)	2024-06-08	2024-06-08	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
7	Ekurhuleni Open 2024 (B)	2024-04-06	2024-04-06	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
8	Hoerskool Overvaal Chess Open 2024 (B)	2024-04-20	2024-04-20	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
9	Vaalpark Primary Chess Open 2024 (B)	2024-04-13	2024-04-13	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
10	2024 Gauteng Inter-Region Chess Championship (U16A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
11	Queens Gambit Chess Open 2023 (A)	2023-11-25	2023-11-25	Standard	Sedibeng (GSV)	5	1	0	Yes	Analysis
12	NWU Vaal Open 2023 (B)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
13	Ekurhuleni Chess Trial 3 2023 (U16)	2023-06-17	2023-06-17	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
14	Gauteng Open Arnold Classic 2023 (U16)	2023-05-19	2023-05-19	Rapid	Tshwane (GTP)	5	5	3.5	Yes	Analysis
15	Ekurhuleni North Schools Individual Finals 2023 (U15 Boys)	2023-05-13	2023-05-13	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
16	NWU Super 16 2023 (B)	2023-04-21	2023-04-21	Rapid	Gert Sibande (MGS)	7	5	4.5	Yes	Analysis
17	Ekurhuleni Trials 2 2023 (U16)	2023-04-22	2023-04-22	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
18	ACB Tournament 2022 (A)	2022-10-07	2022-10-08	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
19	Ekurhuleni-North Schools Teams 2022 (U15)	2022-08-13	2022-08-13	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
20	ACB Invitation Chess Tournament 2022 (U15)	2022-06-11	2022-06-11	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
21	2022 Gauteng Schools Individual Chess Championship (U15 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
22	Ekurhuleni-North Schools Finals Indiv 2022 (U15 Boys)	2022-05-14	2022-05-14	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
23	Lux Deo NG Kerk Chess Open 2022 (C)	2022-04-09	2022-04-09	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
24	ACB Premier 2022 (High School)	2022-03-19	2022-03-19	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
25	ACB Premier 2022 (U15)	2022-03-21	2022-03-21	Standard	Ekurhuleni (GE)	7	6	1	Yes	Analysis
26	Midvaal Chess Open 2020 (C)	2020-01-25	2020-01-25	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
27	TST-MSA Chess Open 2019 (D)	2019-07-20	2019-07-20	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
28	Word of Life 2019 (C)	2019-05-11	2019-05-11	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
29	Dirk de Koster Chess Open 2019 (D)	2019-04-13	2019-04-13	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
30	Carels Open 2019 (D)	2019-03-02	2019-03-02	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
31	2019 Heidelberg Open (C)	2019-02-02	2019-02-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
32	Word of Life Open 2018 (D)	2018-05-12	2018-05-12	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
33	Heidelberg Skaak Klub 2018 (Team 15)	2018-05-05	2018-05-05	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
34	Carels Open 2018 (D)	2018-03-03	2018-03-03	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis

#	Games	Start				End
1	14	Tournament Vaalpark Primary Chess Open 2024				Tournament AG Visser Open 2024
		date 2024-04-13	rnd 1	type Standard	result 1	date 2024-06-08	rnd 4	type Standard	result 1
		Opponent Tsotetsi, N (Nthabiseng)				Opponent Fouche, H (Heinrich)
2	6	Tournament Ekurhuleni Chess Trial 3 2023				Tournament NWU Vaal Open 2023
		date 2023-06-17	rnd 3	type Standard	result 1	date 2023-10-14	rnd 3	type Standard	result 1
		Opponent Padayachee, S (Savashen)				Opponent Olivier, J (Jan-Hendrik)
3	6	Tournament ACB Tournament 2022				Tournament NWU Super 16 2023
		date 2022-10-08	rnd 5	type Standard	result 1	date 2023-04-21	rnd 7	type Rapid	result 0.5
		Opponent Nagappah, T (Thiona)				Opponent Janse Van Vuuren, J (Johan)

#	Games	Start				End
1	14	Tournament Vaalpark Primary Chess Open 2024				Tournament AG Visser Open 2024
		date 2024-04-13	rnd 1	type Standard	result 1	date 2024-06-08	rnd 4	type Standard	result 1
		Opponent Tsotetsi, N (Nthabiseng)				Opponent Fouche, H (Heinrich)
2	6	Tournament Ekurhuleni Chess Trial 3 2023				Tournament NWU Vaal Open 2023
		date 2023-06-17	rnd 3	type Standard	result 1	date 2023-10-14	rnd 3	type Standard	result 1
		Opponent Padayachee, S (Savashen)				Opponent Olivier, J (Jan-Hendrik)
3	6	Tournament TST-MSA Chess Open 2019				Tournament Midvaal Chess Open 2020
		date 2019-07-20	rnd 2	type Standard	result 1	date 2020-01-25	rnd 2	type Standard	result 1
		Opponent Rossouw, J (Jaque)				Opponent Walsh, K (Kayleigh)

#	Games	Start				End
1	8	Tournament NWU Super 16 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-04-21	rnd 1	type Rapid	result 1	date 2023-05-19	rnd 3	type Rapid	result 0.5
		Opponent Pretorius, X (Xuan)				Opponent Karsten, K (Keagan)
2	2	Tournament Midvaal Winter Classic 13 July 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-07-13	rnd 5	type Rapid	result 1	date 2024-07-13	rnd 6	type Rapid	result 1
		Opponent Sewdas, D (Diya)				Opponent Peleowo, M (Mpilo Oluwatayo)
3	2	Tournament Midvaal Winter Classic 13 July 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 0.5
		Opponent Mittermaier, G (Gunther)				Opponent Marimuthu, S (Shaylen)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament TST-MSA Chess Open 2019				Tournament Midvaal Chess Open 2020
		date 2019-07-20	rnd 2	type Standard	result 1	date 2020-01-25	rnd 2	type Standard	result 1
		Opponent Rossouw, J (Jaque)				Opponent Walsh, K (Kayleigh)
2	5	Tournament ACB Tournament 2022				Tournament NWU Super 16 2023
		date 2022-10-08	rnd 5	type Standard	result 1	date 2023-04-21	rnd 5	type Rapid	result 1
		Opponent Nagappah, T (Thiona)				Opponent Badenhorst, A (Angelo)
3	4	Tournament ACB Invitation Chess Tournament 2022				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-11	rnd 4	type Standard	result 1	date 2022-06-18	rnd 2	type Standard	result 1
		Opponent Patterson, A (Alex)				Opponent Swelinkomo, T (Thamsanqa)

#	Games	Start				End
1	6	Tournament TST-MSA Chess Open 2019				Tournament Midvaal Chess Open 2020
		date 2019-07-20	rnd 2	type Standard	result 1	date 2020-01-25	rnd 2	type Standard	result 1
		Opponent Rossouw, J (Jaque)				Opponent Walsh, K (Kayleigh)
2	4	Tournament ACB Invitation Chess Tournament 2022				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-11	rnd 4	type Standard	result 1	date 2022-06-18	rnd 2	type Standard	result 1
		Opponent Patterson, A (Alex)				Opponent Swelinkomo, T (Thamsanqa)
3	3	Tournament Afrikaans High School Open 08 Feb 2025				Tournament Afrikaans High School Open 08 Feb 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-08	rnd 5	type Standard	result 1
		Opponent Sacks, F (Fyren)				Opponent Beere, A (Aidan)

#	Games	Start				End
1	4	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 1	type Rapid	result 1	date 2023-04-21	rnd 5	type Rapid	result 1
		Opponent Pretorius, X (Xuan)				Opponent Badenhorst, A (Angelo)
2	2	Tournament Midvaal Winter Classic 13 July 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-07-13	rnd 5	type Rapid	result 1	date 2024-07-13	rnd 6	type Rapid	result 1
		Opponent Sewdas, D (Diya)				Opponent Peleowo, M (Mpilo Oluwatayo)
3	2	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 1	type Rapid	result 1	date 2023-05-19	rnd 2	type Rapid	result 1
		Opponent Stander, H (Henro)				Opponent Wolff, R (Ruben)

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	Mittermaier ,G (Gunther)	5	2	-85	4	1	-212.5	1	1	425	0	0	0
1	Mittermaier ,G (Gunther)	5	1498.7	1413.7	4	1501.7	1286.2	1	1138.1	1923.7	0	0	0
2	Barnard ,M (Martin)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Barnard ,M (Martin)	3	867.8	1009.5	3	869.6	1009.5	0	0	0	0	0	0
3	Marimuthu ,S (Shaylen)	3	2	141.7	2	1.5	212.5	1	0.5	0	0	0	0
3	Marimuthu ,S (Shaylen)	3	1393.9	1535.6	2	1333.9	1606.4	1	1200	1393.9	0	0	0
4	Kupakwashe ,P (Pamirwa)	2	1	0	2	1	0	0	0	0	0	0	0
4	Kupakwashe ,P (Pamirwa)	2	1217.2	1217.2	2	1221	1217.2	0	0	0	0	0	0
5	Sacks ,F (Fyren)	2	2	425	2	2	425	0	0	0	0	0	0
5	Sacks ,F (Fyren)	2	1194.1	1619.1	2	1204.2	1619.1	0	0	0	0	0	0
6	Mjikelezo ,L (Luvuyo)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Mjikelezo ,L (Luvuyo)	2	1273.1	848.1	2	1273.6	848.1	0	0	0	0	0	0
7	Howat ,LC (Logan)	2	1	0	2	1	0	0	0	0	0	0	0
7	Howat ,LC (Logan)	2	1324.6	1324.6	2	1346.2	1324.6	0	0	0	0	0	0
8	Van Aswegen ,T (Troy)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Van Aswegen ,T (Troy)	2	1175.1	750.1	2	1168.4	750.1	0	0	0	0	0	0
9	Pretorius ,PJ (Petrus)	2	1	0	2	1	0	0	0	0	0	0	0
9	Pretorius ,PJ (Petrus)	2	1075.7	1075.7	2	1072.7	1075.7	0	0	0	0	0	0
10	Van Eyssen ,A (Arend)	2	2	425	2	2	425	0	0	0	0	0	0
10	Van Eyssen ,A (Arend)	2	1487.3	1912.3	2	1492.2	1912.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Andrews, J (Jason)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms