Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ni, YS (Yi Shi)

Chess SA id

109076696

FIDE id

Date of birth

2009-03-20 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

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	1118.6	1113.6	525.4	525.4
Raw rating	1118.6	1113.6	525.4	525.4
Weighted rating	1118.6	1113.6	525.4	525.4
Weighted performance	791.4	787.9	0	0
Floor	618.6	613.6	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	186.2	187.5	433.5	433.5
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1118.6 2024-02-01	1113.6 2024-02-01	525.4 2024-02-01	525.4 2024-02-01
Highest weighted rating	1118.6 2024-11-01	1113.6 2024-11-01	525.4 2024-11-01	525.4 2024-11-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1118.6	1113.6	525.4	525.4
Analysis
Rating	1118.6	1113.6	525.4	525.4
Raw rating	1118.6	1113.6	525.4	525.4
Weighted rating	1118.6	1113.6	525.4
Weighted performance	791.4	787.9	0
K-factor	40	40	40	40
Floor	618.6	613.6	500	500
Max/Min rating change allowed	186.2	187.5	433.5	433.5
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	1118.6	1113.6	525.4	525.4
New weighted rating	1118.6	1113.6	525.4	525.4
New weighted performance	790.9	787.4	0	0
Temp new rating	1118.6	1113.6	525.4	525.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1118.6	1113.6	525.4	525.4
New K-factor	40	40	40	40
New floor	618.6	613.6	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	10	10
	5	5
	0	0
History	47	47

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
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	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	28	14	50	0	1184.3	1184.3
Standard	28	14	50	0	1184.3	1184.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1118.6	1113.6	525.4	525.4
2025-09-01	1118.6	1113.6	525.4	525.4
2025-08-01	1118.6	1113.6	525.4	525.4
2025-07-01	1118.6	1113.6	525.4	525.4
2025-06-01	1118.6	1113.6	525.4	525.4
2025-05-01	1118.6	1113.6	525.4	525.4
2025-04-01	1118.6	1113.6	525.4	525.4
2025-03-01	1118.6	1113.6	525.4	525.4
2025-02-01	1118.6	1113.6	525.4	525.4
2025-01-01	1118.6	1113.6	525.4	525.4
2024-12-01	1118.6	1113.6	525.4	525.4
2024-11-01	1118.6	1113.6	525.4	525.4
2024-10-01	1118.6	1113.6	525.4	525.4
2024-09-01	1118.6	1113.6	525.4	525.4
2024-08-01	1118.6	1113.6	525.4	525.4
2024-07-01	1118.6	1113.6	525.4	525.4
2024-06-01	1118.6	1113.6	525.4	525.4
2024-08-01	1118.6	1113.6	525.4	525.4
2024-04-01	1118.6	1113.6	525.4	525.4
2024-03-01	1118.6	1113.6	525.4	525.4
2024-02-01	1118.6	1113.6	525.4	525.4
2024-01-01	1118.6	1113.6	525.4	525.4
2023-12-01	1118.6	1113.6	525.4	525.4
2023-11-01	1118.6	1113.6	525.4	525.4

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 (U15 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
2	JMC 1 St Peters 2023 (D)	2023-03-18	2023-03-18	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
3	2022 Gauteng Schools Team Championships (U13 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
4	JNW Club - Trinityhouse Little Falls Open 2020 (D)	2020-03-14	2020-03-14	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
5	JNW Club - Trinityhouse Randpark Ridge Open 2020 (D)	2020-02-22	2020-02-22	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
6	GoForChess Junior Championships 2019 (U12)	2019-11-16	2019-11-16	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2022 Gauteng Schools Team Championships				Tournament JMC 1 St Peters 2023
		date 2022-08-27	rnd 3	type Standard	result 0.5	date 2023-03-18	rnd 1	type Standard	result 1
		Opponent Setshedi, K (Khumo)				Opponent Meng, Y (Yufei)
2	3	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-19	rnd 4	type Standard	result 1
		Opponent Koekemoer, J (James)				Opponent Mabuya`, T (Thapelo Lerato)
3	3	Tournament JMC 1 St Peters 2023				Tournament JMC 1 St Peters 2023
		date 2023-03-18	rnd 3	type Standard	result 1	date 2023-03-18	rnd 5	type Standard	result 1
		Opponent Molaoli, A (Anele)				Opponent Nel, S (Stephan)

#	Games	Start				End
1	4	Tournament 2022 Gauteng Schools Team Championships				Tournament JMC 1 St Peters 2023
		date 2022-08-27	rnd 3	type Standard	result 0.5	date 2023-03-18	rnd 1	type Standard	result 1
		Opponent Setshedi, K (Khumo)				Opponent Meng, Y (Yufei)
2	3	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-19	rnd 4	type Standard	result 1
		Opponent Koekemoer, J (James)				Opponent Mabuya`, T (Thapelo Lerato)
3	3	Tournament JMC 1 St Peters 2023				Tournament JMC 1 St Peters 2023
		date 2023-03-18	rnd 3	type Standard	result 1	date 2023-03-18	rnd 5	type Standard	result 1
		Opponent Molaoli, A (Anele)				Opponent Nel, S (Stephan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-19	rnd 4	type Standard	result 1
		Opponent Koekemoer, J (James)				Opponent Mabuya`, T (Thapelo Lerato)
2	3	Tournament JMC 1 St Peters 2023				Tournament JMC 1 St Peters 2023
		date 2023-03-18	rnd 3	type Standard	result 1	date 2023-03-18	rnd 5	type Standard	result 1
		Opponent Molaoli, A (Anele)				Opponent Nel, S (Stephan)
3	3	Tournament 2022 Gauteng Schools Team Championships				Tournament JMC 1 St Peters 2023
		date 2022-08-27	rnd 4	type Standard	result 1	date 2023-03-18	rnd 1	type Standard	result 1
		Opponent Du Randt, L (Lea)				Opponent Meng, Y (Yufei)

#	Games	Start				End
1	3	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-19	rnd 4	type Standard	result 1
		Opponent Koekemoer, J (James)				Opponent Mabuya`, T (Thapelo Lerato)
2	3	Tournament JMC 1 St Peters 2023				Tournament JMC 1 St Peters 2023
		date 2023-03-18	rnd 3	type Standard	result 1	date 2023-03-18	rnd 5	type Standard	result 1
		Opponent Molaoli, A (Anele)				Opponent Nel, S (Stephan)
3	3	Tournament 2022 Gauteng Schools Team Championships				Tournament JMC 1 St Peters 2023
		date 2022-08-27	rnd 4	type Standard	result 1	date 2023-03-18	rnd 1	type Standard	result 1
		Opponent Du Randt, L (Lea)				Opponent Meng, Y (Yufei)

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	Kruger ,D (Daniel L)	1	1	425	1	1	425	0	0	0	0	0	0
1	Kruger ,D (Daniel L)	1	1190	1615	1	1185.6	1615	0	0	0	0	0	0
2	Oosthuizen ,L (Ludrick)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Oosthuizen ,L (Ludrick)	1	1236.8	811.8	1	1229.5	811.8	0	0	0	0	0	0
3	Meng ,Y (Yufei)	1	1	425	1	1	425	0	0	0	0	0	0
3	Meng ,Y (Yufei)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Govender ,D (Dishaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Govender ,D (Dishaan)	1	697	272	1	725.2	272	0	0	0	0	0	0
5	Van Heerden ,A (Alexander)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Van Heerden ,A (Alexander)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Sboros ,A (Andreas)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Sboros ,A (Andreas)	1	1101	676	1	1085.2	676	0	0	0	0	0	0
7	Maduma ,L (Lesedi)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Maduma ,L (Lesedi)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Molaoli ,A (Anele)	1	1	425	1	1	425	0	0	0	0	0	0
8	Molaoli ,A (Anele)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Stones ,F (Finnian)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Stones ,F (Finnian)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Radebe ,I (Inamandla)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Radebe ,I (Inamandla)	1	1250.3	825.3	1	1259.1	825.3	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

Ni, YS (Yi Shi)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms