Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Bruin, L (Leo)

Chess SA id

1100118468

FIDE id

Date of birth

2010-11-12 (U16)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-03-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1242.8	1238.4	1236.6	1200
Raw rating	1242.8	1238.4	1236.6	1200
Weighted rating	1242.8	1238.4	1236.6	1200
Weighted performance	0	0	0	0
Floor	769.2	762.9	756	700
K-factor	36	36	36	36
Min/Max rating change allowed	156	157	157.4	165.8
Highest rating	1512.4 2019-07-01	1448.4 2019-09-01	1620.9 2019-07-01	1200 2018-10-01
Highest raw rating	1269.2 2020-01-01	1262.9 2023-03-01	1256 2020-01-01	1200 2024-02-01
Highest weighted rating	1269.2 2021-07-01	1262.9 2023-03-01	1256 2021-04-01	1200 2018-10-01
Highest weighted performance	1512.4 2019-07-01	1448.4 2019-09-01	1620.9 2019-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1242.8	1238.4	1236.6	1200
Analysis
Rating	1242.8	1238.4	1236.6	1200
Raw rating	1242.8	1238.4	1236.6	1200
Weighted rating	1242.8	1238.4	1236.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	769.2	762.9	756	700
Max/Min rating change allowed	156	157	157.4	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	1242.8	1238.4	1236.6	1200
New weighted rating	1242.8	1238.4	1236.6	1200
New weighted performance	0	0	0	0
Temp new rating	1242.8	1238.4	1236.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1242.8	1238.4	1236.6	1200
New K-factor	36	36	36	36
New floor	769.2	762.9	756	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	10	10	0
	0	0	0
	0	0	0
History	24	15	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	24	15	62.5	106.2	1199	1305.3
Standard	15	9	60	85	1212.8	1297.8
Rapid	9	6	66.67	141.7	1176	1317.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1242.8	1238.4	1236.6	1200
2025-09-01	1242.8	1238.4	1236.6	1200
2025-08-01	1242.8	1238.4	1236.6	1200
2025-07-01	1242.8	1238.4	1236.6	1200
2025-06-01	1242.8	1238.4	1236.6	1200
2025-05-01	1242.8	1238.4	1236.6	1200
2025-04-01	1242.8	1238.4	1236.6	1200
2025-03-01	1242.8	1238.4	1236.6	1200
2025-02-01	1242.8	1238.4	1236.6	1200
2025-01-01	1242.8	1238.4	1236.6	1200
2024-12-01	1242.8	1238.4	1236.6	1200
2024-11-01	1242.8	1238.4	1236.6	1200
2024-10-01	1242.8	1238.4	1236.6	1200
2024-09-01	1242.8	1238.4	1236.6	1200
2024-08-01	1242.8	1238.4	1236.6	1200
2024-07-01	1242.8	1238.4	1236.6	1200
2024-06-01	1242.8	1238.4	1236.6	1200
2024-08-01	1242.8	1238.4	1236.6	1200
2024-04-01	1242.8	1238.4	1236.6	1200
2024-03-01	1242.8	1238.4	1236.6	1200
2024-02-01	1242.8	1238.4	1236.6	1200
2024-01-01	1242.8	1238.4	1236.6	1200
2023-12-01	1242.8	1238.4	1236.6	1200
2023-11-01	1242.8	1238.4	1236.6	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 Prestige 2023 (U13 Boys)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
2	Cape Winelands Schools Chess - Trials 1 2023 (U13 Boys)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Cape Winelands Schools Trials 1 2020 (U11 Boys)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
4	Western Cape Top Schools 2019 (U9 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
5	Cape Winelands Schools - Top Schools 2019 (U9 Mix)	2019-07-27	2019-07-27	Rapid	Cape Winelands (WCW)	3	3	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Western Cape Top Schools 2019				Tournament Cape Winelands Schools Trials 1 2020
		date 2019-08-31	rnd 3	type Standard	result 1	date 2020-02-08	rnd 3	type Rapid	result 1
		Opponent Van Schyff, R (Raiid)				Opponent Carolus, H (Hayden)
2	4	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-07-27	rnd 1	type Rapid	result 1	date 2019-08-31	rnd 1	type Standard	result 1
		Opponent Sapto, C (Christiano)				Opponent Fourie, O (Ockert)
3	3	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 1	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Cassiem, A (Armeen)				Opponent Dotwana, N (Nelani)

#	Games	Start				End
1	6	Tournament Western Cape Top Schools 2019				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2019-08-31	rnd 3	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Van Schyff, R (Raiid)				Opponent Dotwana, N (Nelani)
2	1	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 4	type Standard	result 1	date 2023-03-11	rnd 4	type Standard	result 1
		Opponent Raubenheimer, A (Aiden)				Opponent Raubenheimer, A (Aiden)
3	1	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Fourie, X (Xavier)				Opponent Fourie, X (Xavier)

#	Games	Start				End
1	6	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Cape Winelands Schools Trials 1 2020
		date 2019-07-27	rnd 1	type Rapid	result 1	date 2020-02-08	rnd 3	type Rapid	result 1
		Opponent Sapto, C (Christiano)				Opponent Carolus, H (Hayden)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Western Cape Top Schools 2019				Tournament Cape Winelands Schools Trials 1 2020
		date 2019-08-31	rnd 3	type Standard	result 1	date 2020-02-08	rnd 3	type Rapid	result 1
		Opponent Van Schyff, R (Raiid)				Opponent Carolus, H (Hayden)
2	4	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-07-27	rnd 1	type Rapid	result 1	date 2019-08-31	rnd 1	type Standard	result 1
		Opponent Sapto, C (Christiano)				Opponent Fourie, O (Ockert)
3	3	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 1	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Cassiem, A (Armeen)				Opponent Dotwana, N (Nelani)

#	Games	Start				End
1	6	Tournament Western Cape Top Schools 2019				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2019-08-31	rnd 3	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Van Schyff, R (Raiid)				Opponent Dotwana, N (Nelani)
2	1	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 4	type Standard	result 1	date 2023-03-11	rnd 4	type Standard	result 1
		Opponent Raubenheimer, A (Aiden)				Opponent Raubenheimer, A (Aiden)
3	1	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Fourie, X (Xavier)				Opponent Fourie, X (Xavier)

#	Games	Start				End
1	6	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Cape Winelands Schools Trials 1 2020
		date 2019-07-27	rnd 1	type Rapid	result 1	date 2020-02-08	rnd 3	type Rapid	result 1
		Opponent Sapto, C (Christiano)				Opponent Carolus, H (Hayden)

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	Fourie ,O (Ockert)	3	3	425	1	1	425	2	2	425	0	0	0
1	Fourie ,O (Ockert)	3	1107.7	1532.7	1	1109.2	1532.7	2	1112.4	1532.7	0	0	0
2	Samuels ,A (Alex-John)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Samuels ,A (Alex-John)	2	1248.4	823.4	2	1238.8	823.4	0	0	0	0	0	0
3	Raubenheimer ,A (Aiden)	1	1	425	1	1	425	0	0	0	0	0	0
3	Raubenheimer ,A (Aiden)	1	1203.4	1628.4	1	1217.4	1628.4	0	0	0	0	0	0
4	Cassiem ,A (Armeen)	1	1	425	1	1	425	0	0	0	0	0	0
4	Cassiem ,A (Armeen)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Van Schyff ,R (Raiid)	1	1	425	1	1	425	0	0	0	0	0	0
5	Van Schyff ,R (Raiid)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Liu ,F (Furui)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Liu ,F (Furui)	1	1392.2	967.2	1	1319.3	967.2	0	0	0	0	0	0
7	Fourie ,X (Xavier)	1	1	425	1	1	425	0	0	0	0	0	0
7	Fourie ,X (Xavier)	1	1196.9	1621.9	1	1217	1621.9	0	0	0	0	0	0
8	Dotwana ,N (Nelani)	1	1	425	1	1	425	0	0	0	0	0	0
8	Dotwana ,N (Nelani)	1	1091.9	1516.9	1	1109.2	1516.9	0	0	0	0	0	0
9	Godbeer ,M (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
9	Godbeer ,M (Michael)	1	1268.9	1693.9	1	1270.9	1693.9	0	0	0	0	0	0
10	Kearns ,C (Cullen)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Kearns ,C (Cullen)	1	1211.6	786.6	1	1214	786.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

De Bruin, L (Leo)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms