Chess South Africa Ratings Database

PLAYER PAGE

Personal

Marcus, Y (Yoni)

Chess SA id

1160314515

FIDE id

Date of birth

2016-02-14 (U10)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1251.7	1200	1260.7	1200
Raw rating	1251.7	1200	1260.7	1200
Weighted rating	1210.2	1200	1215	1200
Weighted performance	0	0	0	0
Floor	751.7	700	760.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	154	165.8	152.1	165.8
Highest rating	1251.7 2025-09-30	1200 2025-03-01	1260.7 2025-09-30	1200 2025-03-01
Highest raw rating	1251.7 2025-09-30	1200 2025-03-01	1260.7 2025-09-30	1200 2025-03-01
Highest weighted rating	1210.2 2025-09-30	1200 2025-03-01	1215 2025-09-30	1200 2025-03-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1251.7	1200	1260.7	1200
Analysis
Rating	1251.7	1200	1260.7	1200
Raw rating	1251.7	1200	1260.7	1200
Weighted rating	1210.2	1200	1215
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	751.7	700	760.7	700
Max/Min rating change allowed	154	165.8	152.1	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	1251.7	1200	1260.7	1200
New weighted rating	1213.9	1200	1219.1	1200
New weighted performance	0	0	0	0
Temp new rating	1251.7	1200	1260.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1251.7	1200	1260.7	1200
New K-factor	36	36	36	36
New floor	751.7	700	760.7	700

Item	Main	Rapid
	0	0
	15	15
	0	0
	0	0
	0	0
	0	0
History	15	15

Games since
	Main 15	Standard 0		Rapid 15		Blitz 0
Gender	Male
Age group	U10
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
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	15	9	60	85	1297.2	1382.2
Standard	0	0	0	0	0	0
Rapid	15	9	60	85	1297.2	1382.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	9	60	85	1297.2	1382.2
Standard	0	0	0	0	0	0
Rapid	15	9	60	85	1297.2	1382.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1251.7	1200	1260.7	1200
2025-09-01	1229.7	1200	1238	1200
2025-08-01	1209.7	1200	1218.4	1200
2025-07-01	1209.7	1200	1218.4	1200
2025-06-01	1209.7	1200	1218.4	1200
2025-05-01	1209.7	1200	1218.4	1200
2025-04-01	1209.7	1200	1218.4	1200
2025-03-01	1209.7	1200	1218.4	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	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
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	Chess Power House Spring Rapid 2025 (D)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Rock n Roll Rapid 2025 (Rooks)	2025-08-24	2025-08-24	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	Chess Power House Feb Rapid 2025 (C)	2025-02-02	2025-02-02	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Chess Power House Spring Rapid 2025 (D)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Rock n Roll Rapid 2025 (Rooks)	2025-08-24	2025-08-24	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	Chess Power House Feb Rapid 2025 (C)	2025-02-02	2025-02-02	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Chess Power House Feb Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-02-02	rnd 4	type Rapid	result 1	date 2025-08-24	rnd 1	type Rapid	result 1
		Opponent Buddah, J (Jayansh)				Opponent Liu, D (Danny)
2	2	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 3	type Rapid	result 1	date 2025-08-24	rnd 4	type Rapid	result 1
		Opponent Surukanti, A (Arin Jay)				Opponent Farkas, G (Gadi)
3	1	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 1	type Rapid	result 1
		Opponent Alperin, E (Emma)				Opponent Alperin, E (Emma)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Chess Power House Feb Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-02-02	rnd 4	type Rapid	result 1	date 2025-08-24	rnd 1	type Rapid	result 1
		Opponent Buddah, J (Jayansh)				Opponent Liu, D (Danny)
2	2	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 3	type Rapid	result 1	date 2025-08-24	rnd 4	type Rapid	result 1
		Opponent Surukanti, A (Arin Jay)				Opponent Farkas, G (Gadi)
3	1	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 1	type Rapid	result 1
		Opponent Alperin, E (Emma)				Opponent Alperin, E (Emma)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Chess Power House Feb Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-02-02	rnd 4	type Rapid	result 1	date 2025-08-24	rnd 1	type Rapid	result 1
		Opponent Buddah, J (Jayansh)				Opponent Liu, D (Danny)
2	2	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 3	type Rapid	result 1	date 2025-08-24	rnd 4	type Rapid	result 1
		Opponent Surukanti, A (Arin Jay)				Opponent Farkas, G (Gadi)
3	1	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 1	type Rapid	result 1
		Opponent Alperin, E (Emma)				Opponent Alperin, E (Emma)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Chess Power House Feb Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-02-02	rnd 4	type Rapid	result 1	date 2025-08-24	rnd 1	type Rapid	result 1
		Opponent Buddah, J (Jayansh)				Opponent Liu, D (Danny)
2	2	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 3	type Rapid	result 1	date 2025-08-24	rnd 4	type Rapid	result 1
		Opponent Surukanti, A (Arin Jay)				Opponent Farkas, G (Gadi)
3	1	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 1	type Rapid	result 1
		Opponent Alperin, E (Emma)				Opponent Alperin, E (Emma)

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	Anthonissen ,MV (Mikhael Villem)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Anthonissen ,MV (Mikhael Villem)	2	1651.9	1226.9	0	0	0	2	1338	1226.9	0	0	0
2	Danilowitz ,N (Noa)	1	1	425	0	0	0	1	1	425	0	0	0
2	Danilowitz ,N (Noa)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
3	Alter ,N (Naomi Bella)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Alter ,N (Naomi Bella)	1	1240.7	815.7	0	0	0	1	1225.2	815.7	0	0	0
4	Liu ,D (Danny)	1	1	425	0	0	0	1	1	425	0	0	0
4	Liu ,D (Danny)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
5	Alperin ,E (Emma)	1	1	425	0	0	0	1	1	425	0	0	0
5	Alperin ,E (Emma)	1	1191.7	1616.7	0	0	0	1	1176.9	1616.7	0	0	0
6	Kalmek ,A (Asher)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Kalmek ,A (Asher)	1	1331.6	906.6	0	0	0	1	1247.9	906.6	0	0	0
7	Buddah ,J (Jayansh)	1	1	425	0	0	0	1	1	425	0	0	0
7	Buddah ,J (Jayansh)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Farkas ,G (Gadi)	1	1	425	0	0	0	1	1	425	0	0	0
8	Farkas ,G (Gadi)	1	1353.1	1778.1	0	0	0	1	1245.4	1778.1	0	0	0
9	Tholo ,R (Refentse)	1	1	425	0	0	0	1	1	425	0	0	0
9	Tholo ,R (Refentse)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Gerschlowitz ,E (Ethan)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Gerschlowitz ,E (Ethan)	1	1215.2	790.2	0	0	0	1	1200	790.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Marcus, Y (Yoni)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms