Chess South Africa Ratings Database

PLAYER PAGE

Personal

Booys, LI (Leatin)

Chess SA id

189002582

FIDE id

Date of birth

1989-05-17 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-10-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1625.7	1617	1648.7	1650.7
Raw rating	1625.7	1617	1648.7	1650.7
Weighted rating	1625.7	1617	1648.7	1650.7
Weighted performance	944.7	938.5	0	0
Floor	1150.7	1150.7	1150.7	1150.7
K-factor	28	28	28	28
Min/Max rating change allowed	90.4	91.5	87.5	87.2
Highest rating	1650.7 2018-03-01	1650.7 2018-03-01	1650.7 2019-01-01	1650.7 2019-01-01
Highest raw rating	1650.7 2018-02-01	1650.7 2018-02-01	1650.7 2020-01-01	1650.7 2024-02-01
Highest weighted rating	1650.7 2018-03-01	1650.7 2018-03-01	1650.7 2019-01-01	1650.7 2019-01-01
Highest weighted performance	1590 2022-10-01	1583.4 2022-10-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1625.7	1617	1648.7	1650.7
Analysis
Rating	1625.7	1617	1648.7	1650.7
Raw rating	1625.7	1617	1648.7	1650.7
Weighted rating	1625.7	1617	1648.7
Weighted performance	944.7	938.5	0
K-factor	28	28	28	28
Floor	1150.7	1150.7	1150.7	1150.7
Max/Min rating change allowed	90.4	91.5	87.5	87.2
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	1625.7	1617	1648.7	1650.7
New weighted rating	1625.7	1617	1648.7	1650.7
New weighted performance	944.1	938	0	0
Temp new rating	1625.7	1617	1648.7	1650.7
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1625.7	1617	1648.7	1650.7
New K-factor	28	28	28	28
New floor	1150.7	1150.7	1150.7	1150.7

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	40	40	0
	10	5	5
History	336	324	12

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
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	117	69	58.97	76.3	1481.9	1558.2
Standard	112	65	58.04	68.3	1487.2	1555.5
Rapid	5	4	80	255	1364.8	1619.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1625.7	1617	1648.7	1650.7
2025-09-01	1625.7	1617	1648.7	1650.7
2025-08-01	1625.7	1617	1648.7	1650.7
2025-07-01	1625.7	1617	1648.7	1650.7
2025-06-01	1625.7	1617	1648.7	1650.7
2025-05-01	1625.7	1617	1648.7	1650.7
2025-04-01	1625.7	1617	1648.7	1650.7
2025-03-01	1625.7	1617	1648.7	1650.7
2025-02-01	1625.7	1617	1648.7	1650.7
2025-01-01	1625.7	1617	1648.7	1650.7
2024-12-01	1625.7	1617	1648.7	1650.7
2024-11-01	1625.7	1617	1648.7	1650.7
2024-10-01	1625.7	1617	1648.7	1650.7
2024-09-01	1625.7	1617	1648.7	1650.7
2024-08-01	1625.7	1617	1648.7	1650.7
2024-07-01	1625.7	1617	1648.7	1650.7
2024-06-01	1625.7	1617	1648.7	1650.7
2024-08-01	1625.7	1617	1648.7	1650.7
2024-04-01	1625.7	1617	1648.7	1650.7
2024-03-01	1625.7	1617	1648.7	1650.7
2024-02-01	1625.7	1617	1648.7	1650.7
2024-01-01	1625.7	1617	1648.7	1650.7
2023-12-01	1625.7	1617	1648.7	1650.7
2023-11-01	1625.7	1617	1648.7	1650.7

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	Western Cape Club Championship 2022 (Tier 2)	2022-10-07	2022-10-09	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
2	2022 Western Province Club League (Premier)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	5	3.5	Yes	Analysis
3	South African Open 2022 (B)	2022-07-09	2022-07-17	Standard	Cape Town (WCT)	11	11	8	Yes	Analysis
4	Steinitz Open 2022 (B)	2022-05-20	2022-05-22	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
5	Cape Winelands Open 2022 (Advanced)	2022-02-12	2022-02-13	Standard	Cape Winelands (WCW)	6	5	2	Yes	Analysis
6	Kraaifontein Open 2022 (Advanced)	2022-01-07	2022-01-09	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
7	2022 Cape Of Good Hope Open (Advanced)	2022-01-28	2022-01-30	Standard	Cape Town (WCT)	6	2	1	Yes	Analysis
8	Western Cape Club Championships 2021 (B)	2021-10-15	2021-10-17	Standard	Eden (WEG)	6	5	5	Yes	Analysis
9	Lambertsbay Heritage Chess Tournament 2021	2021-09-24	2021-09-24	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
10	2020 Western Province Open (Elite)	2020-03-07	2020-03-08	Standard	Cape Town (WCT)	6	5	2.5	Yes	Analysis
11	George Open Chess Tournament 2019 (A)	2019-11-30	2019-12-01	Standard	Eden (WEG)	6	0	0	No	Analysis
12	2019 Western Cape Club Championship (A+B)	2019-10-25	2019-10-27	Standard	Overberg (WOS)	6	6	5	Yes	Analysis
13	3rd ACL Chess Festival 2019 (Open)	2019-09-05	2019-09-05	Rapid	Cape Town (WCT)	6	0	0	No	Analysis
14	2019 National Club Chess Championships (A)	2019-09-27	2019-09-29	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
15	2019 Western Cape Closed Chess Championships (Prestige)	2019-09-21	2019-09-24	Standard	Cape Winelands (WCW)	6	3	0.5	Yes	Analysis
16	2019 Western Province League (Premier)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	7	2	Yes	Analysis
17	Blackjacks Club Champs 2019	2019-07-04	2019-07-07	Standard	Cape Town (WCT)	7	7	4	Yes	Analysis
18	Steinitz Chess Festival 2019 (B)	2019-04-05	2019-04-07	Standard	Cape Town (WCT)	6	6	5.5	Yes	Analysis
19	West Coast Open 2019 (B)	2019-04-27	2019-04-27	Standard	West Coast (WCU)	5	5	5	Yes	Analysis
20	Cape of Good Hope Open 2019 (Prestige)	2019-01-25	2019-01-28	Standard	Cape Town (WCT)	6	1	0	Yes	Analysis
21	Western Cape Chess Club Championship Dec 2018	2018-12-08	2018-12-09	Standard	Eden (WEG)	6	6	3.5	Yes	Analysis
22	ACL Chess Festival 2018 (Prestige)	2018-10-05	2018-10-07	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
23	2018 Western Province League (Premier)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	8	0.5	Yes	Analysis
24	Paul Roos Open Championship 2018 (A)	2018-09-21	2018-09-23	Standard	Cape Winelands (WCW)	6	3	0.5	Yes	Analysis

#	Games	Start				End
1	14	Tournament Steinitz Chess Festival 2019				Tournament Blackjacks Club Champs 2019
		date 2019-04-05	rnd 1	type Standard	result 1	date 2019-07-06	rnd 3	type Standard	result 0.5
		Opponent Parenzee, E (Ethan)				Opponent Louw, LT (Llewellyn)
2	12	Tournament Lambertsbay Heritage Chess Tournament 2021				Tournament Kraaifontein Open 2022
		date 2021-09-24	rnd 1	type Rapid	result 1	date 2022-01-08	rnd 2	type Standard	result 1
		Opponent Williams, L (Lionel)				Opponent Joubert, N (Natasha)
3	7	Tournament 2019 Western Cape Club Championship				Tournament 2020 Western Province Open
		date 2019-10-26	rnd 3	type Standard	result 1	date 2020-03-08	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, RH (Riaan)				Opponent Jaffer, U (Uzair)

#	Games	Start				End
1	14	Tournament Steinitz Chess Festival 2019				Tournament Blackjacks Club Champs 2019
		date 2019-04-05	rnd 1	type Standard	result 1	date 2019-07-06	rnd 3	type Standard	result 0.5
		Opponent Parenzee, E (Ethan)				Opponent Louw, LT (Llewellyn)
2	7	Tournament Western Cape Club Championships 2021				Tournament Kraaifontein Open 2022
		date 2021-10-15	rnd 1	type Standard	result 1	date 2022-01-08	rnd 2	type Standard	result 1
		Opponent Makungo, FM (Fhumulani Moses)				Opponent Joubert, N (Natasha)
3	7	Tournament 2019 Western Cape Club Championship				Tournament 2020 Western Province Open
		date 2019-10-26	rnd 3	type Standard	result 1	date 2020-03-08	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, RH (Riaan)				Opponent Jaffer, U (Uzair)

#	Games	Start				End
1	5	Tournament Lambertsbay Heritage Chess Tournament 2021				Tournament Lambertsbay Heritage Chess Tournament 2021
		date 2021-09-24	rnd 1	type Rapid	result 1	date 2021-09-24	rnd 5	type Rapid	result 0.5
		Opponent Williams, L (Lionel)				Opponent Blankenberg, G (Graham)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament Steinitz Chess Festival 2019				Tournament Blackjacks Club Champs 2019
		date 2019-04-07	rnd 5	type Standard	result 1	date 2019-07-06	rnd 2	type Standard	result 1
		Opponent Siyo, S (Sibabale)				Opponent Koopstadt, RT (Rudy)
2	5	Tournament Western Cape Club Championships 2021				Tournament Western Cape Club Championships 2021
		date 2021-10-15	rnd 1	type Standard	result 1	date 2021-10-17	rnd 6	type Standard	result 1
		Opponent Makungo, FM (Fhumulani Moses)				Opponent Adams, D (Delbert)
3	4	Tournament Steinitz Open 2022				Tournament South African Open 2022
		date 2022-05-22	rnd 6	type Standard	result 1	date 2022-07-10	rnd 3	type Standard	result 1
		Opponent Coetzee, JS (Justin)				Opponent Vermeulen, EJ (Ernestus)

#	Games	Start				End
1	9	Tournament Steinitz Chess Festival 2019				Tournament Blackjacks Club Champs 2019
		date 2019-04-07	rnd 5	type Standard	result 1	date 2019-07-06	rnd 2	type Standard	result 1
		Opponent Siyo, S (Sibabale)				Opponent Koopstadt, RT (Rudy)
2	5	Tournament Western Cape Club Championships 2021				Tournament Western Cape Club Championships 2021
		date 2021-10-15	rnd 1	type Standard	result 1	date 2021-10-17	rnd 6	type Standard	result 1
		Opponent Makungo, FM (Fhumulani Moses)				Opponent Adams, D (Delbert)
3	4	Tournament Steinitz Open 2022				Tournament South African Open 2022
		date 2022-05-22	rnd 6	type Standard	result 1	date 2022-07-10	rnd 3	type Standard	result 1
		Opponent Coetzee, JS (Justin)				Opponent Vermeulen, EJ (Ernestus)

#	Games	Start				End
1	3	Tournament Lambertsbay Heritage Chess Tournament 2021				Tournament Lambertsbay Heritage Chess Tournament 2021
		date 2021-09-24	rnd 1	type Rapid	result 1	date 2021-09-24	rnd 3	type Rapid	result 1
		Opponent Williams, L (Lionel)				Opponent Maletta, L (Legene)

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	Galleid ,S (Stephen)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Galleid ,S (Stephen)	3	1642.8	1784.5	3	1633.7	1784.5	0	0	0	0	0	0
2	Louw ,LT (Llewellyn Theodor)	3	2	141.7	2	1.5	212.5	1	0.5	0	0	0	0
2	Louw ,LT (Llewellyn Theodor)	3	1630.3	1772	2	1628.6	1842.8	1	1706.9	1630.3	0	0	0
3	Van Niekerk ,MC (Megan Courtney)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Van Niekerk ,MC (Megan Courtney)	2	1730.6	1305.6	2	1730.1	1305.6	0	0	0	0	0	0
4	Jacobs ,B (Brandon Lee)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Jacobs ,B (Brandon Lee)	2	1495.8	1283.3	2	1454.9	1283.3	0	0	0	0	0	0
5	Coetzee ,JS (Justin Shadi)	2	2	425	2	2	425	0	0	0	0	0	0
5	Coetzee ,JS (Justin Shadi)	2	1348.7	1773.7	2	1346.8	1773.7	0	0	0	0	0	0
6	Kapp ,E (Ettiene)	2	1	0	2	1	0	0	0	0	0	0	0
6	Kapp ,E (Ettiene)	2	1575.3	1575.3	2	1537.8	1575.3	0	0	0	0	0	0
7	Willenberg ,GI (Glen Ivan)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Willenberg ,GI (Glen Ivan)	2	1688.6	1263.6	2	1737.5	1263.6	0	0	0	0	0	0
8	Kariem ,S (Shakir)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Kariem ,S (Shakir)	2	1439.6	1227.1	2	1399.6	1227.1	0	0	0	0	0	0
9	Lawerlot ,GLR (George Lee-Roy)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Lawerlot ,GLR (George Lee-Roy)	2	1717.3	1292.3	2	1721.9	1292.3	0	0	0	0	0	0
10	Masoka ,L (Lwando)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Masoka ,L (Lwando)	2	1558.1	1133.1	2	1527	1133.1	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

Booys, LI (Leatin)

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