Chess South Africa Ratings Database

PLAYER PAGE

Personal

Meyerowitz, M (Matai)

Chess SA id

1160302284

FIDE id

Date of birth

2016-09-16 (U10)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-14

Personal details last changed

1900-01-01

Junior GPX Games

56.7

Junior GPX Points

1318.6

Item	Main	Standard	Rapid	Blitz
Rating	1414.5	1413.2	1254.3	1200
Raw rating	1413.1	1411.4	1254.3	1200
Weighted rating	1329	1325.7	1229.7	1200
Weighted performance	1414.5	1413.2	0	0
Floor	921.6	922.6	754.3	700
K-factor	32	32	36	36
Min/Max rating change allowed	122.4	122.7	153.5	165.8
Highest rating	1441.3 2024-04-01	1438.2 2024-04-01	1254.3 2025-03-01	1200 2024-05-01
Highest raw rating	1421.6 2025-09-01	1422.6 2025-09-01	1254.3 2025-03-01	1200 2024-05-01
Highest weighted rating	1329 2025-09-30	1325.7 2025-09-30	1223.3 2025-08-01	1200 2024-05-01
Highest weighted performance	1441.3 2024-04-01	1438.2 2024-04-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.5	-0.5	0	0
New rating	1414	1412.7	1254.3	1200
Analysis
Rating	1414.5	1413.2	1254.3	1200
Raw rating	1413.1	1411.4	1254.3	1200
Weighted rating	1329	1325.7	1229.7
Weighted performance	1414.5	1413.2	0
K-factor	32	32	36	36
Floor	921.6	922.6	754.3	700
Max/Min rating change allowed	122.4	122.7	153.5	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	1413.1	1411.4	1254.3	1200
New weighted rating	1339	1335.7	1232.6	1200
New weighted performance	1414	1412.7	0	0
Temp new rating	1414	1412.7	1254.3	1200
Temp new rating +/-	-0.5	-0.5	0	0
Final new rating +/-	-0.5	-0.5	0	0
New rating	1414	1412.7	1254.3	1200
New K-factor	32	32	36	36
New floor	921.6	922.6	754.3	700

Item	Main	Standard	Rapid
	0	0	0
	55	50	5
	35	35	0
	0	0	0
	0	0	0
	0	0	0
History	90	85	5

Games since
	Main 90	Standard 85		Rapid 5		Blitz 0
Gender	Male
Age group	U10
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2017		713		232
Male	1672		583		193
U10	128		57		22
U10 Male	114		53		20
Standard
	RSA		Province		Region
Overall	1919		723		223
Male	1577		589		186
U10	124		56		22
U10 Male	110		52		20
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	55	33	60	85	1308.5	1393.5
Standard	50	29	58	68	1320.7	1388.7
Rapid	5	4	80	255	1186.9	1441.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	90	54.5	60.56	89.7	1272.4	1362.1
Standard	85	50.5	59.41	80	1277.5	1357.5
Rapid	5	4	80	255	1186.9	1441.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1413.1	1411.4	1254.3	1200
2025-09-01	1421.6	1422.6	1254.3	1200
2025-08-01	1419.8	1420.6	1254.3	1200
2025-07-01	1352.5	1348.5	1254.3	1200
2025-06-01	1315.8	1301.7	1254.3	1200
2025-05-01	1371.5	1362.7	1254.3	1200
2025-04-01	1371.5	1362.7	1254.3	1200
2025-03-01	1373.7	1365.6	1254.3	1200
2025-02-01	1321.1	1315.3	1200	1200
2025-01-01	1321.1	1315.3	1200	1200
2024-12-01	1295.3	1292.4	1200	1200
2024-11-01	1295.3	1292.4	1200	1200
2024-10-01	1295.3	1292.4	1200	1200
2024-09-01	1263.8	1271.5	1200	1200
2024-08-01	1200.5	1197.3	1200	1200
2024-07-01	1200.5	1197.3	1200	1200
2024-06-01	1239.9	1246.6	1200	1200
2024-08-01	1247.1	1255.2	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
2023-11-01	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	GoForChess Junior Chess Championships 2025 (U10)	2025-09-14	2025-09-14	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	JMC Closed 2025 (U10)	2025-08-09	2025-08-09	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	JMC - Trinity Randpark Ridge 2025 (U10)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	Third Knight Riders Junior Open 2025 (U10)	2025-06-22	2025-06-22	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	Knight Riders Juniors Open Chess Tournament 2025 (U10)	2025-05-24	2025-05-24	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
6	JMC Crawford Sandton 2025 (U10)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
7	CPH May 2025 (D)	2025-05-03	2025-05-03	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
8	Chess Power House March Open 2025 (E)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
9	Knight Riders Open Chess Tournament 2025 (U10)	2025-02-22	2025-02-22	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
10	First Knights Juniors Chess Tournament 2025 (U10)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
11	Chess Power House Feb Rapid 2025 (D)	2025-02-02	2025-02-02	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	GoForChess Junior Chess Championships 2025 (U10)	2025-09-14	2025-09-14	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	JMC Closed 2025 (U10)	2025-08-09	2025-08-09	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	JMC - Trinity Randpark Ridge 2025 (U10)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	Third Knight Riders Junior Open 2025 (U10)	2025-06-22	2025-06-22	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	Knight Riders Juniors Open Chess Tournament 2025 (U10)	2025-05-24	2025-05-24	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
6	JMC Crawford Sandton 2025 (U10)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
7	CPH May 2025 (D)	2025-05-03	2025-05-03	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
8	Chess Power House March Open 2025 (E)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
9	Knight Riders Open Chess Tournament 2025 (U10)	2025-02-22	2025-02-22	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
10	First Knights Juniors Chess Tournament 2025 (U10)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
11	Chess Power House Feb Rapid 2025 (D)	2025-02-02	2025-02-02	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
12	Gauteng Inter-Region at UJ 2024 (U10 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
13	Knight Riders Spring Chess Tournament 2024 (U8+U10)	2024-09-28	2024-09-28	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
14	JMC Closed 2024 (U10)	2024-08-09	2024-08-09	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
15	Fourth Knight Riders Juniors Open Chess Tournament 204 (U10)	2024-08-03	2024-08-03	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
16	JMC Trinityhouse Little Falls 2024 (U10)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
17	JMC Crawford International Sandton 2024 (U10)	2024-05-11	2024-05-11	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
18	First Knight Riders Junior Open 2024 (U8+U10)	2024-04-20	2024-04-20	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament Knight Riders Spring Chess Tournament 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-09-28	rnd 3	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Mkulisi, A (Asavela)				Opponent Dintlhe, B (Bokang)
2	5	Tournament First Knight Riders Junior Open 2024				Tournament JMC Crawford International Sandton 2024
		date 2024-04-20	rnd 2	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Ritchie, E (Elian)				Opponent Kilari, S (Suveer)
3	4	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC Closed 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-08-09	rnd 2	type Standard	result 0.5
		Opponent Gerber, Z (Zoe)				Opponent Frishter, S (Sofia)

#	Games	Start				End
1	5	Tournament Knight Riders Spring Chess Tournament 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-09-28	rnd 3	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Mkulisi, A (Asavela)				Opponent Dintlhe, B (Bokang)
2	5	Tournament First Knight Riders Junior Open 2024				Tournament JMC Crawford International Sandton 2024
		date 2024-04-20	rnd 2	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Ritchie, E (Elian)				Opponent Kilari, S (Suveer)
3	4	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC Closed 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-08-09	rnd 2	type Standard	result 0.5
		Opponent Gerber, Z (Zoe)				Opponent Frishter, S (Sofia)

#	Games	Start				End
1	2	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 4	type Rapid	result 1	date 2025-02-02	rnd 5	type Rapid	result 1
		Opponent Newman, A (Ayen)				Opponent Rubin, D (Dean)
2	2	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 1	type Rapid	result 1	date 2025-02-02	rnd 2	type Rapid	result 1
		Opponent Liu, K (Kaireen)				Opponent Serrao, L (Luke)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Knight Riders Spring Chess Tournament 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-09-28	rnd 3	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Mkulisi, A (Asavela)				Opponent Dintlhe, B (Bokang)
2	5	Tournament First Knight Riders Junior Open 2024				Tournament JMC Crawford International Sandton 2024
		date 2024-04-20	rnd 2	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Ritchie, E (Elian)				Opponent Kilari, S (Suveer)
3	4	Tournament First Knights Juniors Chess Tournament 2025				Tournament Knight Riders Open Chess Tournament 2025
		date 2025-02-09	rnd 4	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Vemula, D (Devesh Sai)				Opponent Brittain, N (Nathan)

#	Games	Start				End
1	5	Tournament Knight Riders Spring Chess Tournament 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-09-28	rnd 3	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Mkulisi, A (Asavela)				Opponent Dintlhe, B (Bokang)
2	5	Tournament First Knight Riders Junior Open 2024				Tournament JMC Crawford International Sandton 2024
		date 2024-04-20	rnd 2	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Ritchie, E (Elian)				Opponent Kilari, S (Suveer)
3	4	Tournament First Knights Juniors Chess Tournament 2025				Tournament Knight Riders Open Chess Tournament 2025
		date 2025-02-09	rnd 4	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Vemula, D (Devesh Sai)				Opponent Brittain, N (Nathan)

#	Games	Start				End
1	2	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 4	type Rapid	result 1	date 2025-02-02	rnd 5	type Rapid	result 1
		Opponent Newman, A (Ayen)				Opponent Rubin, D (Dean)
2	2	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 1	type Rapid	result 1	date 2025-02-02	rnd 2	type Rapid	result 1
		Opponent Liu, K (Kaireen)				Opponent Serrao, L (Luke)

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	Newman ,A (Ayen)	4	1	-212.5	3	0	-425	1	1	425	0	0	0
1	Newman ,A (Ayen)	4	1305.3	1092.8	3	1333.7	880.3	1	1200	1730.3	0	0	0
2	Hlabangwane ,N (Ntwanano)	3	3	425	3	3	425	0	0	0	0	0	0
2	Hlabangwane ,N (Ntwanano)	3	1150.3	1575.3	3	1149.4	1575.3	0	0	0	0	0	0
3	Thalla ,V (Vihansh Reddy)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
3	Thalla ,V (Vihansh Reddy)	3	1235.6	1094	2	1235.5	1235.6	1	1200	810.6	0	0	0
4	Stelloh ,A (Alexander)	2	2	425	2	2	425	0	0	0	0	0	0
4	Stelloh ,A (Alexander)	2	1439.7	1864.7	2	1448.3	1864.7	0	0	0	0	0	0
5	Meijer ,CM (Carlo Marius)	2	1	0	2	1	0	0	0	0	0	0	0
5	Meijer ,CM (Carlo Marius)	2	1432.4	1432.4	2	1424.1	1432.4	0	0	0	0	0	0
6	Sithole ,L (Luthando)	2	1	0	2	1	0	0	0	0	0	0	0
6	Sithole ,L (Luthando)	2	1195.6	1195.6	2	1191.8	1195.6	0	0	0	0	0	0
7	Naidoo ,K (Kehan)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
7	Naidoo ,K (Kehan)	2	1280.6	1068.1	2	1274.2	1068.1	0	0	0	0	0	0
8	Kuchibhotla ,AKA (Achyuta Kartikeya Arjun)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Kuchibhotla ,AKA (Achyuta Kartikeya Arjun)	2	1301.2	876.2	2	1301.2	876.2	0	0	0	0	0	0
9	Kilari ,S (Suveer)	2	1	0	2	1	0	0	0	0	0	0	0
9	Kilari ,S (Suveer)	2	1230.6	1230.6	2	1227.8	1230.6	0	0	0	0	0	0
10	Lin ,Y (Yizheng)	2	2	425	2	2	425	0	0	0	0	0	0
10	Lin ,Y (Yizheng)	2	1525.6	1950.6	2	1521.1	1950.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Meyerowitz, M (Matai)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms