Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mmbadi, Y (Yedidia)

Chess SA id

1060117662

FIDE id

Date of birth

2006-12-07 (U20)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1293.9	1298.2	1200	1200
Raw rating	1293.9	1298.2	1200	1200
Weighted rating	1293.8	1298.1	1200	1200
Weighted performance	912.9	918.2	0	0
Floor	823.8	836.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	145.1	144.2	165.8	165.8
Highest rating	1335.8 2023-07-01	1344.4 2023-07-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1323.8 2023-08-01	1336.3 2023-08-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1323.8 2025-04-01	1336.3 2025-03-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1335.8 2023-07-01	1344.4 2023-07-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1293.9	1298.2	1200	1200
Analysis
Rating	1293.9	1298.2	1200	1200
Raw rating	1293.9	1298.2	1200	1200
Weighted rating	1293.8	1298.1	1200
Weighted performance	912.9	918.2	0
K-factor	36	36	36	36
Floor	823.8	836.3	700	700
Max/Min rating change allowed	145.1	144.2	165.8	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	1293.9	1298.2	1200	1200
New weighted rating	1293.8	1298.1	1200	1200
New weighted performance	905.3	910.6	0	0
Temp new rating	1293.9	1298.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1293.9	1298.2	1200	1200
New K-factor	36	36	36	36
New floor	823.8	836.3	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	33	33
	35	35
	0	0
History	72	72

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	72	37	51.39	11.8	1237.3	1249.1
Standard	72	37	51.39	11.8	1237.3	1249.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1293.9	1298.2	1200	1200
2025-09-30	1293.9	1298.2	1200	1200
2025-09-01	1293.9	1298.2	1200	1200
2025-08-01	1293.9	1298.2	1200	1200
2025-07-01	1293.9	1298.2	1200	1200
2025-06-01	1293.9	1298.2	1200	1200
2025-05-01	1293.9	1298.2	1200	1200
2025-04-01	1293.9	1298.2	1200	1200
2025-03-01	1293.9	1298.2	1200	1200
2025-02-01	1293.8	1298.2	1200	1200
2025-01-01	1293.6	1297.8	1200	1200
2024-12-01	1293.6	1297.8	1200	1200
2024-11-01	1293.6	1297.8	1200	1200
2024-10-01	1293.6	1297.8	1200	1200
2024-09-01	1293.6	1297.8	1200	1200
2024-08-01	1293.6	1297.8	1200	1200
2024-07-01	1293.6	1297.8	1200	1200
2024-09-01	1293.6	1297.8	1200	1200
2024-05-01	1293.6	1297.8	1200	1200
2024-04-01	1293.6	1297.8	1200	1200
2024-03-01	1293.6	1297.8	1200	1200
2024-02-01	1293.6	1297.8	1200	1200
2024-01-01	1293.6	1297.8	1200	1200
2023-12-01	1293.6	1297.8	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2023 Gauteng Top Schools (U19 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
2	D2 School League Finals 2023 (U19)	2023-07-22	2023-07-22	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
3	D2 Schools Individuals 2023 (U18 Boys)	2023-05-13	2023-05-13	Standard	West Rand (GWR)	5	4	3	Yes	Analysis
4	Gauteng Schools Individual Finals 2023 (U18 Boys)	2023-05-27	2023-05-27	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
5	West Rand Juniors 2023 (U18)	2023-03-18	2023-03-18	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
6	WR Tournament and Coaching 2023 (Open)	2023-02-25	2023-02-25	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
7	2023 West Rand Open (Rooks)	2023-02-04	2023-02-04	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
8	West Rand vs Bojanala 2022 (U18)	2022-11-05	2022-11-05	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
9	West Rand Trials 2022 (U18)	2022-09-03	2022-09-03	Standard	West Rand (GWR)	5	5	2.5	Yes	Analysis
10	D2 School League Finals 2022 (U18)	2022-08-20	2022-08-20	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
11	2nd West Rand Open 2022 (B)	2022-08-06	2022-08-06	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
12	D2 Schools Individuals 2022 (U18 Boys)	2022-05-07	2022-05-07	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
13	West Rand Open 2022 (U16)	2022-02-05	2022-02-05	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
14	2022 Gauteng Interregion (U16 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	0.5	Yes	Analysis
15	West Rand Junior Open 2019 (U14)	2019-08-17	2019-08-17	Standard	West Rand (GWR)	5	4	1	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2023 West Rand Open				Tournament WR Tournament and Coaching 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-25	rnd 2	type Standard	result 1
		Opponent Golden, B (Bokamoso)				Opponent Tau, K (Kamohelo)
2	4	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-07-22	rnd 4	type Standard	result 1
		Opponent Grobler, V (Vian)				Opponent Beyleveldt, A (Adriaan Jakobus)
3	4	Tournament D2 Schools Individuals 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-05-27	rnd 1	type Standard	result 1
		Opponent Joubert, J (Jean-Pierre)				Opponent Mkandawire, L (Lethokuhle)

#	Games	Start				End
1	5	Tournament 2023 West Rand Open				Tournament WR Tournament and Coaching 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-25	rnd 2	type Standard	result 1
		Opponent Golden, B (Bokamoso)				Opponent Tau, K (Kamohelo)
2	4	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-07-22	rnd 4	type Standard	result 1
		Opponent Grobler, V (Vian)				Opponent Beyleveldt, A (Adriaan Jakobus)
3	4	Tournament D2 Schools Individuals 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-05-27	rnd 1	type Standard	result 1
		Opponent Joubert, J (Jean-Pierre)				Opponent Mkandawire, L (Lethokuhle)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2023 West Rand Open				Tournament WR Tournament and Coaching 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-25	rnd 2	type Standard	result 1
		Opponent Golden, B (Bokamoso)				Opponent Tau, K (Kamohelo)
2	4	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-07-22	rnd 4	type Standard	result 1
		Opponent Grobler, V (Vian)				Opponent Beyleveldt, A (Adriaan Jakobus)
3	4	Tournament D2 Schools Individuals 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-05-27	rnd 1	type Standard	result 1
		Opponent Joubert, J (Jean-Pierre)				Opponent Mkandawire, L (Lethokuhle)

#	Games	Start				End
1	5	Tournament 2023 West Rand Open				Tournament WR Tournament and Coaching 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-25	rnd 2	type Standard	result 1
		Opponent Golden, B (Bokamoso)				Opponent Tau, K (Kamohelo)
2	4	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-07-22	rnd 4	type Standard	result 1
		Opponent Grobler, V (Vian)				Opponent Beyleveldt, A (Adriaan Jakobus)
3	4	Tournament D2 Schools Individuals 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-05-27	rnd 1	type Standard	result 1
		Opponent Joubert, J (Jean-Pierre)				Opponent Mkandawire, L (Lethokuhle)

No games found.

#	Games	Start				End

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	Kula ,VJ (Vuyani Julius)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Kula ,VJ (Vuyani Julius)	3	1668.7	1243.7	3	1676	1243.7	0	0	0	0	0	0
2	Aphane ,J (Justino)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
2	Aphane ,J (Justino)	3	1170.7	1170.7	3	1165.2	1170.7	0	0	0	0	0	0
3	Golden ,B (Bokamoso)	2	2	425	2	2	425	0	0	0	0	0	0
3	Golden ,B (Bokamoso)	2	1240.2	1665.2	2	1240.1	1665.2	0	0	0	0	0	0
4	Maseko ,U (Unathi)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Maseko ,U (Unathi)	2	1448.9	1023.9	2	1442.1	1023.9	0	0	0	0	0	0
5	Moss ,P (Prince)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Moss ,P (Prince)	1	1379.5	954.5	1	1366.3	954.5	0	0	0	0	0	0
6	Mutsambwa ,T (Trevor)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mutsambwa ,T (Trevor)	1	1198.3	1623.3	1	1198.8	1623.3	0	0	0	0	0	0
7	Msiwa ,B (Boitumelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Msiwa ,B (Boitumelo)	1	1049.5	624.5	1	1036.4	624.5	0	0	0	0	0	0
8	Sandla ,R (Riana)	1	1	425	1	1	425	0	0	0	0	0	0
8	Sandla ,R (Riana)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Setshedi ,N (Neo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Setshedi ,N (Neo)	1	1364	939	1	1360.4	939	0	0	0	0	0	0
10	Stoop ,H (Henco)	1	1	425	1	1	425	0	0	0	0	0	0
10	Stoop ,H (Henco)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Mmbadi, Y (Yedidia)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms