Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ress, Z (Ze-Ev Meir)

Chess SA id

1160305524

FIDE id

Date of birth

2016-01-05 (U10)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1339.4	1274.8	1370.5	1200
Raw rating	1339.4	1274.8	1370.5	1200
Weighted rating	1310.3	1267.8	1320.1	1200
Weighted performance	0	0	0	0
Floor	839.4	774.8	870.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	135.9	149.1	130.1	165.8
Highest rating	1560 2024-08-01	1521 2024-05-01	1638.9 2024-08-01	1200 2024-05-01
Highest raw rating	1339.4 2025-03-01	1274.8 2024-06-01	1370.5 2025-03-01	1200 2024-05-01
Highest weighted rating	1339.4 2024-10-01	1274.8 2024-10-01	1370.5 2024-10-01	1200 2024-05-01
Highest weighted performance	1560 2024-08-01	1521 2024-05-01	1638.9 2024-08-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1339.4	1274.8	1370.5	1200
Analysis
Rating	1339.4	1274.8	1370.5	1200
Raw rating	1339.4	1274.8	1370.5	1200
Weighted rating	1310.3	1267.8	1320.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	839.4	774.8	870.5	700
Max/Min rating change allowed	135.9	149.1	130.1	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	1339.4	1274.8	1370.5	1200
New weighted rating	1315	1269.6	1327.2	1200
New weighted performance	0	0	0	0
Temp new rating	1339.4	1274.8	1370.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1339.4	1274.8	1370.5	1200
New K-factor	36	36	36	36
New floor	839.4	774.8	870.5	700

Item	Main	Standard	Rapid
	0	0	0
	5	0	5
	10	5	5
	0	0	0
	0	0	0
	0	0	0
History	15	5	10

Games since
	Main 15	Standard 5		Rapid 10		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	5	5	100	425	1221.2	1646.2
Standard	0	0	0	0	0	0
Rapid	5	5	100	425	1221.2	1646.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	14	93.33	368.3	1246.1	1614.5
Standard	5	4	80	255	1272.2	1527.2
Rapid	10	10	100	425	1233.1	1658.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1339.4	1274.8	1370.5	1200
2025-09-01	1339.4	1274.8	1370.5	1200
2025-08-01	1339.4	1274.8	1370.5	1200
2025-07-01	1339.4	1274.8	1370.5	1200
2025-06-01	1339.4	1274.8	1370.5	1200
2025-05-01	1339.4	1274.8	1370.5	1200
2025-04-01	1339.4	1274.8	1370.5	1200
2025-03-01	1339.4	1274.8	1370.5	1200
2025-02-01	1304.5	1274.8	1299.6	1200
2025-01-01	1304.5	1274.8	1299.6	1200
2024-12-01	1304.5	1274.8	1299.6	1200
2024-11-01	1304.5	1274.8	1299.6	1200
2024-10-01	1304.5	1274.8	1299.6	1200
2024-09-01	1304.5	1274.8	1299.6	1200
2024-08-01	1265.1	1274.8	1200	1200
2024-07-01	1265.1	1274.8	1200	1200
2024-06-01	1265.1	1274.8	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 Feb Rapid 2025 (C)	2025-02-02	2025-02-02	Rapid	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Chess Power House Feb Rapid 2025 (C)	2025-02-02	2025-02-02	Rapid	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
2	CPH King David Linksfield Aug Rapid 2024 (D)	2024-08-18	2024-08-18	Rapid	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
3	GoForChess Junior Chess Championships 2024 (Junior)	2024-05-19	2024-05-19	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis

#	Games	Start				End
1	11	Tournament GoForChess Junior Chess Championships 2024				Tournament Chess Power House Feb Rapid 2025
		date 2024-05-19	rnd 5	type Standard	result 1	date 2025-02-02	rnd 5	type Rapid	result 1
		Opponent Rawjee, A (Aiden)				Opponent Serrao, C (Charles)
2	3	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 1	type Standard	result 1	date 2024-05-19	rnd 3	type Standard	result 1
		Opponent Hua, H (Haoran Henry)				Opponent Shyu, Y (Yu-Kai)

#	Games	Start				End
1	3	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 1	type Standard	result 1	date 2024-05-19	rnd 3	type Standard	result 1
		Opponent Hua, H (Haoran Henry)				Opponent Shyu, Y (Yu-Kai)
2	1	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 5	type Standard	result 1	date 2024-05-19	rnd 5	type Standard	result 1
		Opponent Rawjee, A (Aiden)				Opponent Rawjee, A (Aiden)

#	Games	Start				End
1	10	Tournament CPH King David Linksfield Aug Rapid 2024				Tournament Chess Power House Feb Rapid 2025
		date 2024-08-18	rnd 1	type Rapid	result 1	date 2025-02-02	rnd 5	type Rapid	result 1
		Opponent Sinclaire, T (Tamsyn)				Opponent Serrao, C (Charles)

No games found.

#	Games	Start				End

#	Games	Start				End
1	11	Tournament GoForChess Junior Chess Championships 2024				Tournament Chess Power House Feb Rapid 2025
		date 2024-05-19	rnd 5	type Standard	result 1	date 2025-02-02	rnd 5	type Rapid	result 1
		Opponent Rawjee, A (Aiden)				Opponent Serrao, C (Charles)
2	3	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 1	type Standard	result 1	date 2024-05-19	rnd 3	type Standard	result 1
		Opponent Hua, H (Haoran Henry)				Opponent Shyu, Y (Yu-Kai)

#	Games	Start				End
1	3	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 1	type Standard	result 1	date 2024-05-19	rnd 3	type Standard	result 1
		Opponent Hua, H (Haoran Henry)				Opponent Shyu, Y (Yu-Kai)
2	1	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 5	type Standard	result 1	date 2024-05-19	rnd 5	type Standard	result 1
		Opponent Rawjee, A (Aiden)				Opponent Rawjee, A (Aiden)

#	Games	Start				End
1	10	Tournament CPH King David Linksfield Aug Rapid 2024				Tournament Chess Power House Feb Rapid 2025
		date 2024-08-18	rnd 1	type Rapid	result 1	date 2025-02-02	rnd 5	type Rapid	result 1
		Opponent Sinclaire, T (Tamsyn)				Opponent Serrao, C (Charles)

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	Shyu ,Y (Yu-Kai)	1	1	425	1	1	425	0	0	0	0	0	0
1	Shyu ,Y (Yu-Kai)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Rawjee ,A (Aiden)	1	1	425	1	1	425	0	0	0	0	0	0
2	Rawjee ,A (Aiden)	1	1259.1	1684.1	1	1270.9	1684.1	0	0	0	0	0	0
3	Hua ,H (Haoran Henry)	1	1	425	1	1	425	0	0	0	0	0	0
3	Hua ,H (Haoran Henry)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Goshen ,N (Nate)	1	1	425	1	1	425	0	0	0	0	0	0
4	Goshen ,N (Nate)	1	1215	1640	1	1200	1640	0	0	0	0	0	0
5	Lin ,Y (Yizheng)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Lin ,Y (Yizheng)	1	1486.9	1061.9	1	1412.7	1061.9	0	0	0	0	0	0
6	Moss ,D (Danielle)	1	1	425	0	0	0	1	1	425	0	0	0
6	Moss ,D (Danielle)	1	1174.7	1599.7	0	0	0	1	1135.4	1599.7	0	0	0
7	Serrao ,C (Charles)	1	1	425	0	0	0	1	1	425	0	0	0
7	Serrao ,C (Charles)	1	1290.5	1715.5	0	0	0	1	1245.6	1715.5	0	0	0
8	Sinclaire ,T (Tamsyn)	1	1	425	0	0	0	1	1	425	0	0	0
8	Sinclaire ,T (Tamsyn)	1	1214.2	1639.2	0	0	0	1	1222	1639.2	0	0	0
9	Alter ,N (Naomi Bella)	1	1	425	0	0	0	1	1	425	0	0	0
9	Alter ,N (Naomi Bella)	1	1240.7	1665.7	0	0	0	1	1225.2	1665.7	0	0	0
10	Frishter ,S (Sofia)	1	1	425	0	0	0	1	1	425	0	0	0
10	Frishter ,S (Sofia)	1	1371.3	1796.3	0	0	0	1	1200	1796.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Ress, Z (Ze-Ev Meir)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms