Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bosman, L (Luke)

Chess SA id

1080148907

FIDE id

Date of birth

2008-03-25 (U20)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1275.1	1290.7	1200	1200
Raw rating	1275.1	1290.7	1200	1200
Weighted rating	1235.6	1243.6	1200	1200
Weighted performance	0	0	0	0
Floor	775.1	790.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	149	145.7	165.8	165.8
Highest rating	1275.1 2025-05-05	1290.7 2025-05-05	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1275.1 2025-05-05	1290.7 2025-05-05	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1275.1 2018-10-01	1290.7 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1275.1	1290.7	1200	1200
Analysis
Rating	1275.1	1290.7	1200	1200
Raw rating	1275.1	1290.7	1200	1200
Weighted rating	1235.6	1243.6	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	775.1	790.7	700	700
Max/Min rating change allowed	149	145.7	165.8	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	1275.1	1290.7	1200	1200
New weighted rating	1240.7	1249.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1275.1	1290.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1275.1	1290.7	1200	1200
New K-factor	36	36	36	36
New floor	775.1	790.7	700	700

Item	Main	Standard
	0	0
	17	17
	5	5
	4	4
	0	0
	0	0
History	26	26

Games since
	Main 22	Standard 22		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
Province	Western Cape (WC)
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	17	8.5	50	0	1359.1	1359.1
Standard	17	8.5	50	0	1359.1	1359.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	26	11.5	44.23	-49	1319.5	1270.5
Standard	26	11.5	44.23	-49	1319.5	1270.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1275.1	1290.7	1200	1200
2025-11-30	1275.1	1290.7	1200	1200
2025-11-01	1275.1	1290.7	1200	1200
2025-09-30	1275.1	1290.7	1200	1200
2025-09-01	1275.1	1290.7	1200	1200
2025-08-01	1275.1	1290.7	1200	1200
2025-07-01	1275.1	1290.7	1200	1200
2025-06-01	1275.1	1290.7	1200	1200
2025-05-01	1275.1	1290.7	1200	1200
2025-04-01	1187.4	1187.9	1200	1200
2025-03-01	1201.7	1205.1	1200	1200
2025-02-01	1170.9	1165.6	1200	1200
2025-01-01	1170.9	1165.6	1200	1200
2024-12-01	1170.9	1165.6	1200	1200
2024-11-01	1170.9	1165.6	1200	1200
2024-10-01	1170.9	1165.6	1200	1200
2024-09-01	1170.9	1165.6	1200	1200
2024-11-01	1170.9	1165.6	1200	1200
2024-07-01	1170.9	1165.6	1200	1200
2024-06-01	1170.9	1165.6	1200	1200
2024-05-01	1170.9	1165.6	1200	1200
2024-04-01	1170.9	1165.6	1200	1200
2024-03-01	1170.9	1165.6	1200	1200
2024-02-01	1169.5	1164	1200	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	Eden Chess Trials 2 2025 (U18)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	9	5	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	3	0.5	Yes	Analysis
3	Mossel Bay Schools Trials 2 2025 (U17 Boys)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	5	3	Yes	Analysis
4	Mossel Bay Schools Trials 2 2024 (U17)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	Mossel Bay Schools Trials 2 2023 (U15 Boys)	2023-02-18	2023-02-18	Standard	Eden (WEG)	5	0	0	No	Analysis
6	Mossel Bay Schools Trials 1 2023 (U15 Boys)	2023-01-28	2023-01-28	Standard	Eden (WEG)	5	4	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Mossel Bay Schools Trials 2 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Mathako, U (Unam)				Opponent Nell, C (Cohan)
2	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 6	type Standard	result 1	date 2025-04-12	rnd 7	type Standard	result 1
		Opponent Bukula, S (Sivuyisile)				Opponent Jafta, L (Levi)
3	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 3	type Standard	result 1	date 2025-03-15	rnd 4	type Standard	result 1
		Opponent Claassen, A (Angelo)				Opponent Golding, E (Elnichia)

#	Games	Start				End
1	3	Tournament Mossel Bay Schools Trials 2 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Mathako, U (Unam)				Opponent Nell, C (Cohan)
2	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 6	type Standard	result 1	date 2025-04-12	rnd 7	type Standard	result 1
		Opponent Bukula, S (Sivuyisile)				Opponent Jafta, L (Levi)
3	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 3	type Standard	result 1	date 2025-03-15	rnd 4	type Standard	result 1
		Opponent Claassen, A (Angelo)				Opponent Golding, E (Elnichia)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Mossel Bay Schools Trials 2 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Mathako, U (Unam)				Opponent Nell, C (Cohan)
2	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 6	type Standard	result 1	date 2025-04-12	rnd 7	type Standard	result 1
		Opponent Bukula, S (Sivuyisile)				Opponent Jafta, L (Levi)
3	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 3	type Standard	result 1	date 2025-03-15	rnd 4	type Standard	result 1
		Opponent Claassen, A (Angelo)				Opponent Golding, E (Elnichia)

#	Games	Start				End
1	3	Tournament Mossel Bay Schools Trials 2 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Mathako, U (Unam)				Opponent Nell, C (Cohan)
2	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 6	type Standard	result 1	date 2025-04-12	rnd 7	type Standard	result 1
		Opponent Bukula, S (Sivuyisile)				Opponent Jafta, L (Levi)
3	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 3	type Standard	result 1	date 2025-03-15	rnd 4	type Standard	result 1
		Opponent Claassen, A (Angelo)				Opponent Golding, E (Elnichia)

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	Harris ,E (Emerique)	2	1	0	2	1	0	0	0	0	0	0	0
1	Harris ,E (Emerique)	2	1282.6	1282.6	2	1274.2	1282.6	0	0	0	0	0	0
2	Claassen ,A (Angelo)	2	1	0	2	1	0	0	0	0	0	0	0
2	Claassen ,A (Angelo)	2	1287.6	1287.6	2	1296.1	1287.6	0	0	0	0	0	0
3	Herman ,L (Leigh-Ray)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Herman ,L (Leigh-Ray)	2	1455.6	1030.6	2	1449.5	1030.6	0	0	0	0	0	0
4	Taute ,H (Haygon)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Taute ,H (Haygon)	1	1274.2	1274.2	1	1280.1	1274.2	0	0	0	0	0	0
5	May ,B (Behago)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	May ,B (Behago)	1	1376.1	951.1	1	1371.5	951.1	0	0	0	0	0	0
6	Golding ,E (Elnichia)	1	1	425	1	1	425	0	0	0	0	0	0
6	Golding ,E (Elnichia)	1	1445.4	1870.4	1	1434	1870.4	0	0	0	0	0	0
7	Damons ,E (Elridge)	1	1	425	1	1	425	0	0	0	0	0	0
7	Damons ,E (Elridge)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Jordaan ,R (Rontey)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Jordaan ,R (Rontey)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Bukula ,S (Sivuyisile)	1	1	425	1	1	425	0	0	0	0	0	0
9	Bukula ,S (Sivuyisile)	1	1532.9	1957.9	1	1538.6	1957.9	0	0	0	0	0	0
10	Daniels ,R (Reuben)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Daniels ,R (Reuben)	1	1627.5	1202.5	1	1625.2	1202.5	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

Bosman, L (Luke)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms