Chess South Africa Ratings Database

PLAYER PAGE

Personal

Petro, L (Larrygha)

Chess SA id

1050137543

FIDE id

Date of birth

2005-01-14 (Adult)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-02-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1132.4	1161.6	1134.8	1200
Raw rating	1132.4	1161.6	1134.8	1200
Weighted rating	1132.4	1161.6	1134.8	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	182.6	175.1	182	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1132.4	1161.6	1134.8	1200
Analysis
Rating	1132.4	1161.6	1134.8	1200
Raw rating	1132.4	1161.6	1134.8	1200
Weighted rating	1132.4	1161.6	1134.8
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	182.6	175.1	182	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	1132.4	1161.6	1134.8	1200
New weighted rating	1132.4	1161.6	1134.8	1200
New weighted performance	0	0	0	0
Temp new rating	1132.4	1161.6	1134.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1132.4	1161.6	1134.8	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

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

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
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	3	30	-170	1150.8	980.8
Standard	5	2	40	-85	1134.1	1049.1
Rapid	5	1	20	-255	1167.5	912.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1132.4	1161.6	1134.8	1200
2025-09-01	1132.4	1161.6	1134.8	1200
2025-08-01	1132.4	1161.6	1134.8	1200
2025-07-01	1132.4	1161.6	1134.8	1200
2025-06-01	1132.4	1161.6	1134.8	1200
2025-05-01	1132.4	1161.6	1134.8	1200
2025-04-01	1132.4	1161.6	1134.8	1200
2025-03-01	1132.4	1161.6	1134.8	1200
2025-02-01	1132.4	1161.6	1134.8	1200
2025-01-01	1132.4	1161.6	1134.8	1200
2024-12-01	1132.4	1161.6	1134.8	1200
2024-11-01	1132.4	1161.6	1134.8	1200
2024-10-01	1132.4	1161.6	1134.8	1200
2024-09-01	1132.4	1161.6	1134.8	1200
2024-08-01	1132.4	1161.6	1134.8	1200
2024-07-01	1132.4	1161.6	1134.8	1200
2024-06-01	1132.4	1161.6	1134.8	1200
2024-08-01	1132.4	1161.6	1134.8	1200
2024-04-01	1132.4	1161.6	1134.8	1200
2024-03-01	1132.4	1161.6	1134.8	1200
2024-02-01	1132.4	1161.6	1134.8	1200
2024-01-01	1132.4	1161.6	1134.8	1200
2023-12-01	1132.4	1161.6	1134.8	1200
2023-11-01	1132.4	1161.6	1134.8	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	Cape Winelands Schools Chess - Trials 1 2023 (U19 Boys)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
2	Central Winelands Schools Individual Trials 2022 (U18 Boys)	2022-02-19	2022-02-19	Rapid	Cape Winelands (WCW)	5	5	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-02-25	rnd 5	type Standard	result 1
		Opponent Schoeman, E (Eugh Kian)				Opponent Schoeman, E (Eugh Kian)
2	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 3	type Standard	result 1	date 2023-02-25	rnd 3	type Standard	result 1
		Opponent Geel, R (Ruan)				Opponent Geel, R (Ruan)
3	1	Tournament Central Winelands Schools Individual Trials 2022				Tournament Central Winelands Schools Individual Trials 2022
		date 2022-02-19	rnd 5	type Rapid	result 1	date 2022-02-19	rnd 5	type Rapid	result 1
		Opponent Rohrs, A (Albert)				Opponent Rohrs, A (Albert)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-02-25	rnd 5	type Standard	result 1
		Opponent Schoeman, E (Eugh Kian)				Opponent Schoeman, E (Eugh Kian)
2	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 3	type Standard	result 1	date 2023-02-25	rnd 3	type Standard	result 1
		Opponent Geel, R (Ruan)				Opponent Geel, R (Ruan)

#	Games	Start				End
1	1	Tournament Central Winelands Schools Individual Trials 2022				Tournament Central Winelands Schools Individual Trials 2022
		date 2022-02-19	rnd 5	type Rapid	result 1	date 2022-02-19	rnd 5	type Rapid	result 1
		Opponent Rohrs, A (Albert)				Opponent Rohrs, A (Albert)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-02-25	rnd 5	type Standard	result 1
		Opponent Schoeman, E (Eugh Kian)				Opponent Schoeman, E (Eugh Kian)
2	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 3	type Standard	result 1	date 2023-02-25	rnd 3	type Standard	result 1
		Opponent Geel, R (Ruan)				Opponent Geel, R (Ruan)
3	1	Tournament Central Winelands Schools Individual Trials 2022				Tournament Central Winelands Schools Individual Trials 2022
		date 2022-02-19	rnd 5	type Rapid	result 1	date 2022-02-19	rnd 5	type Rapid	result 1
		Opponent Rohrs, A (Albert)				Opponent Rohrs, A (Albert)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-02-25	rnd 5	type Standard	result 1
		Opponent Schoeman, E (Eugh Kian)				Opponent Schoeman, E (Eugh Kian)
2	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 3	type Standard	result 1	date 2023-02-25	rnd 3	type Standard	result 1
		Opponent Geel, R (Ruan)				Opponent Geel, R (Ruan)

#	Games	Start				End
1	1	Tournament Central Winelands Schools Individual Trials 2022				Tournament Central Winelands Schools Individual Trials 2022
		date 2022-02-19	rnd 5	type Rapid	result 1	date 2022-02-19	rnd 5	type Rapid	result 1
		Opponent Rohrs, A (Albert)				Opponent Rohrs, A (Albert)

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	Fry ,G (Geone)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Fry ,G (Geone)	2	1224.2	799.2	1	1278.5	799.2	1	1200	799.2	0	0	0
2	Waite ,S (Sebastian)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Waite ,S (Sebastian)	1	1134.5	709.5	1	1104	709.5	0	0	0	0	0	0
3	Schoeman ,E (Eugh Kian)	1	1	425	1	1	425	0	0	0	0	0	0
3	Schoeman ,E (Eugh Kian)	1	887.6	1312.6	1	858	1312.6	0	0	0	0	0	0
4	Cupido ,A (Ayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Cupido ,A (Ayden)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Geel ,R (Ruan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Geel ,R (Ruan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Meyer ,JJ (Jordan John)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Meyer ,JJ (Jordan John)	1	1211.1	786.1	0	0	0	1	1260.8	786.1	0	0	0
7	Deysel ,T (Turlo)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Deysel ,T (Turlo)	1	1171.4	746.4	0	0	0	1	1188.6	746.4	0	0	0
8	Benn ,E (Ethan)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Benn ,E (Ethan)	1	1055	630	0	0	0	1	1068.4	630	0	0	0
9	Rohrs ,A (Albert)	1	1	425	0	0	0	1	1	425	0	0	0
9	Rohrs ,A (Albert)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Petro, L (Larrygha)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms