Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koopman, G (Giovanni)

Chess SA id

1110161659

FIDE id

Date of birth

2011-06-17 (U16)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1192.4	1194.5	1200	1200
Raw rating	1192.4	1194.5	1200	1200
Weighted rating	1179.2	1178.1	1200	1200
Weighted performance	1018.7	1019.6	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.6	167.1	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 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	1192.4	1194.5	1200	1200
Analysis
Rating	1192.4	1194.5	1200	1200
Raw rating	1192.4	1194.5	1200	1200
Weighted rating	1179.2	1178.1	1200
Weighted performance	1018.7	1019.6	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	167.6	167.1	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	1192.4	1194.5	1200	1200
New weighted rating	1180.7	1179.9	1200	1200
New weighted performance	1018.3	1019.2	0	0
Temp new rating	1192.4	1194.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1192.4	1194.5	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	9	9
	10	10
	4	4
	0	0
	0	0
History	23	23

Games since
	Main 19	Standard 19		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Eden (WEG)
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	9	4	44.44	-47.2	1248.3	1201
Standard	9	4	44.44	-47.2	1248.3	1201
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	23	9.5	41.3	-73.9	1219.5	1145.5
Standard	23	9.5	41.3	-73.9	1219.5	1145.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1192.4	1194.5	1200	1200
2025-09-01	1192.4	1194.5	1200	1200
2025-08-01	1192.4	1194.5	1200	1200
2025-07-01	1192.4	1194.5	1200	1200
2025-06-01	1192.4	1194.5	1200	1200
2025-05-01	1192.4	1194.5	1200	1200
2025-04-01	1192.4	1194.5	1200	1200
2025-03-01	1167.1	1162.7	1200	1200
2025-02-01	1168.4	1164.3	1200	1200
2025-01-01	1165.9	1161.9	1200	1200
2024-12-01	1165.9	1161.9	1200	1200
2024-11-01	1165.9	1161.9	1200	1200
2024-10-01	1165.9	1161.9	1200	1200
2024-09-01	1165.9	1161.9	1200	1200
2024-08-01	1165.9	1161.9	1200	1200
2024-07-01	1165.9	1161.9	1200	1200
2024-06-01	1165.9	1161.9	1200	1200
2024-08-01	1165.9	1161.9	1200	1200
2024-04-01	1165.9	1161.9	1200	1200
2024-03-01	1165.9	1161.9	1200	1200
2024-02-01	1169.8	1164.4	1200	1200
2024-01-01	1169.8	1164.4	1200	1200
2023-12-01	1169.8	1164.4	1200	1200
2023-11-01	1169.8	1164.4	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Oudussa Trials 2025 (U15)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	Oudussa Trials 2 2025 (U5 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Oudussa Trials 2025 (U15)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	Oudussa Trials 2 2025 (U5 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	1	Yes	Analysis
3	Eden Top Schools 2024 (U15 Open)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	0	0	No	Analysis
4	OUDUSSA Trials 2 2024 (U13 Boys+Girls)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	OUDUSSA Trials 1 2024 (U13 Boys+Girls)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
6	Eden Top Schools 2023 (U13 Mix)	2023-08-19	2023-08-19	Standard	Eden (WEG)	5	4	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 2	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Lint, T (Tasrique)				Opponent Penoldt, V (Vaughen)
2	3	Tournament OUDUSSA Trials 1 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-02-17	rnd 1	type Standard	result 1
		Opponent Prins, S (Stayton-Lee)				Opponent Lewis, E (E-Jay)
3	2	Tournament Eden Top Schools 2023				Tournament OUDUSSA Trials 1 2024
		date 2023-08-19	rnd 4	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Claassen, L (Letino)				Opponent Samson, H (Heinrique-Pete)

#	Games	Start				End
1	3	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 2	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Lint, T (Tasrique)				Opponent Penoldt, V (Vaughen)
2	3	Tournament OUDUSSA Trials 1 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-02-17	rnd 1	type Standard	result 1
		Opponent Prins, S (Stayton-Lee)				Opponent Lewis, E (E-Jay)
3	2	Tournament Eden Top Schools 2023				Tournament OUDUSSA Trials 1 2024
		date 2023-08-19	rnd 4	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Claassen, L (Letino)				Opponent Samson, H (Heinrique-Pete)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 2	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Lint, T (Tasrique)				Opponent Penoldt, V (Vaughen)
2	2	Tournament Eden Top Schools 2023				Tournament OUDUSSA Trials 1 2024
		date 2023-08-19	rnd 4	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Claassen, L (Letino)				Opponent Samson, H (Heinrique-Pete)
3	1	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 5	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent Bezuidenhout, D (Deandre)				Opponent Bezuidenhout, D (Deandre)

#	Games	Start				End
1	3	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 2	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 1
		Opponent Lint, T (Tasrique)				Opponent Penoldt, V (Vaughen)
2	2	Tournament Eden Top Schools 2023				Tournament OUDUSSA Trials 1 2024
		date 2023-08-19	rnd 4	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Claassen, L (Letino)				Opponent Samson, H (Heinrique-Pete)
3	1	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 5	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent Bezuidenhout, D (Deandre)				Opponent Bezuidenhout, D (Deandre)

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	Prins ,S (Stayton-Lee)	2	1	0	2	1	0	0	0	0	0	0	0
1	Prins ,S (Stayton-Lee)	2	1200	1200	2	1200	1200	0	0	0	0	0	0
2	Stuurman ,D (Dante)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Stuurman ,D (Dante)	2	1200	775	2	1200	775	0	0	0	0	0	0
3	Moos ,R (Richard-Lee)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Moos ,R (Richard-Lee)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Pietersen ,E (Ethan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Pietersen ,E (Ethan)	1	1239.2	1664.2	1	1239.4	1664.2	0	0	0	0	0	0
5	Lewis ,E (E-Jay)	1	1	425	1	1	425	0	0	0	0	0	0
5	Lewis ,E (E-Jay)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Fielies ,C (Clayton)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Fielies ,C (Clayton)	1	1226.4	801.4	1	1210.4	801.4	0	0	0	0	0	0
7	November ,C (Clayton)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	November ,C (Clayton)	1	1171	746	1	1200	746	0	0	0	0	0	0
8	Opperman ,D (Dante)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Opperman ,D (Dante)	1	1269.3	844.3	1	1277.9	844.3	0	0	0	0	0	0
9	Claassen ,L (Letino)	1	1	425	1	1	425	0	0	0	0	0	0
9	Claassen ,L (Letino)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Minnies ,J (Jo Neyden)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Minnies ,J (Jo Neyden)	1	1407.8	982.8	1	1407.7	982.8	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

Koopman, G (Giovanni)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms