Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lenyai, J (Jerry)

Chess SA id

101083184

FIDE id

Date of birth

2001-04-12 (Adult)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-08-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	679	679	513.4	513.4
Raw rating	679	679	513.4	513.4
Weighted rating	678.5	678.7	513.4	513.4
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	348.3	348.3	441	441
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	679 2024-03-01	679 2024-03-01	513.4 2024-03-01	513.4 2024-03-01
Highest weighted rating	679 2024-11-01	679 2024-11-01	513.4 2024-11-01	513.4 2024-11-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	679	679	513.4	513.4
Analysis
Rating	679	679	513.4	513.4
Raw rating	679	679	513.4	513.4
Weighted rating	678.5	678.7	513.4
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	348.3	348.3	441	441
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	679	679	513.4	513.4
New weighted rating	678.8	678.9	513.4	513.4
New weighted performance	0	0	0	0
Temp new rating	679	679	513.4	513.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	679	679	513.4	513.4
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	39	34	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	10	4	40	-85	1056.2	971.2
Standard	10	4	40	-85	1056.2	971.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	679	679	513.4	513.4
2025-09-01	679	679	513.4	513.4
2025-08-01	679	679	513.4	513.4
2025-07-01	679	679	513.4	513.4
2025-06-01	679	679	513.4	513.4
2025-05-01	679	679	513.4	513.4
2025-04-01	679	679	513.4	513.4
2025-03-01	679	679	513.4	513.4
2025-02-01	679	679	513.4	513.4
2025-01-01	679	679	513.4	513.4
2024-12-01	679	679	513.4	513.4
2024-11-01	679	679	513.4	513.4
2024-10-01	679	679	513.4	513.4
2024-09-01	679	679	513.4	513.4
2024-08-01	679	679	513.4	513.4
2024-07-01	679	679	513.4	513.4
2024-06-01	679	679	513.4	513.4
2024-08-01	679	679	513.4	513.4
2024-04-01	679	679	513.4	513.4
2024-03-01	679	679	513.4	513.4
2024-02-01	679	679	513.4	513.4
2024-01-01	679	679	513.4	513.4
2023-12-01	626	650.2	513.4	513.4
2023-11-01	626	650.2	513.4	513.4

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	Boys and Girls 2018 (U18 Boys)	2018-08-25	2018-08-25	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
2	Hoerskool Brits 2018 (U18+Open)	2018-03-17	2018-03-17	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Hoerskool Brits 2018				Tournament Hoerskool Brits 2018
		date 2018-03-17	rnd 2	type Standard	result 1	date 2018-03-17	rnd 3	type Standard	result 1
		Opponent Ngobeni, TR (Tshiamo Regomod)				Opponent Mabitsi, K (Koketso)
2	1	Tournament Boys and Girls 2018				Tournament Boys and Girls 2018
		date 2018-08-25	rnd 5	type Standard	result 1	date 2018-08-25	rnd 5	type Standard	result 1
		Opponent Mere, N (Neo)				Opponent Mere, N (Neo)
3	1	Tournament Boys and Girls 2018				Tournament Boys and Girls 2018
		date 2018-08-25	rnd 3	type Standard	result 0.5	date 2018-08-25	rnd 3	type Standard	result 0.5
		Opponent Butjie, M (Monthati)				Opponent Butjie, M (Monthati)

#	Games	Start				End
1	2	Tournament Hoerskool Brits 2018				Tournament Hoerskool Brits 2018
		date 2018-03-17	rnd 2	type Standard	result 1	date 2018-03-17	rnd 3	type Standard	result 1
		Opponent Ngobeni, TR (Tshiamo Regomod)				Opponent Mabitsi, K (Koketso)
2	1	Tournament Boys and Girls 2018				Tournament Boys and Girls 2018
		date 2018-08-25	rnd 5	type Standard	result 1	date 2018-08-25	rnd 5	type Standard	result 1
		Opponent Mere, N (Neo)				Opponent Mere, N (Neo)
3	1	Tournament Boys and Girls 2018				Tournament Boys and Girls 2018
		date 2018-08-25	rnd 3	type Standard	result 0.5	date 2018-08-25	rnd 3	type Standard	result 0.5
		Opponent Butjie, M (Monthati)				Opponent Butjie, M (Monthati)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Hoerskool Brits 2018				Tournament Hoerskool Brits 2018
		date 2018-03-17	rnd 2	type Standard	result 1	date 2018-03-17	rnd 3	type Standard	result 1
		Opponent Ngobeni, TR (Tshiamo Regomod)				Opponent Mabitsi, K (Koketso)
2	1	Tournament Boys and Girls 2018				Tournament Boys and Girls 2018
		date 2018-08-25	rnd 5	type Standard	result 1	date 2018-08-25	rnd 5	type Standard	result 1
		Opponent Mere, N (Neo)				Opponent Mere, N (Neo)

#	Games	Start				End
1	2	Tournament Hoerskool Brits 2018				Tournament Hoerskool Brits 2018
		date 2018-03-17	rnd 2	type Standard	result 1	date 2018-03-17	rnd 3	type Standard	result 1
		Opponent Ngobeni, TR (Tshiamo Regomod)				Opponent Mabitsi, K (Koketso)
2	1	Tournament Boys and Girls 2018				Tournament Boys and Girls 2018
		date 2018-08-25	rnd 5	type Standard	result 1	date 2018-08-25	rnd 5	type Standard	result 1
		Opponent Mere, N (Neo)				Opponent Mere, N (Neo)

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	Butjie ,M (Monthati)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Butjie ,M (Monthati)	1	685.4	685.4	1	693	685.4	0	0	0	0	0	0
2	Ngobeni ,TR (Tshiamo Regomod)	1	1	425	1	1	425	0	0	0	0	0	0
2	Ngobeni ,TR (Tshiamo Regomod)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Esterhuizen ,WJ (Willem Johannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Esterhuizen ,WJ (Willem Johannes)	1	904.7	479.7	1	908.8	479.7	0	0	0	0	0	0
4	Mabitsi ,K (Koketso)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mabitsi ,K (Koketso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Gray ,BJ (Brandon Jacques)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Gray ,BJ (Brandon Jacques)	1	1256.4	831.4	1	1262	831.4	0	0	0	0	0	0
6	Nkosi ,G (Gosiame)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Nkosi ,G (Gosiame)	1	1139.6	714.6	1	1126.8	714.6	0	0	0	0	0	0
7	Mere ,N (Neo)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mere ,N (Neo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Ferreira ,JC (John-Claud)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Ferreira ,JC (John-Claud)	1	844.6	419.6	1	855	419.6	0	0	0	0	0	0
9	Diphoko ,WM (William Mogomotsi)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Diphoko ,WM (William Mogomotsi)	1	1054.4	629.4	1	1054.4	629.4	0	0	0	0	0	0
10	James ,S (Sebenzile)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	James ,S (Sebenzile)	1	1077.3	1077.3	1	1073.3	1077.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Lenyai, J (Jerry)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms