Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koopstadt, RT (Rudy Trevor)

Chess SA id

189016239

FIDE id

Date of birth

1989-12-20 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1466.8	1447.4	1448	1475.1
Raw rating	1462.3	1442.4	1448	1475.1
Weighted rating	1466.8	1447.4	1448	1474.9
Weighted performance	752.2	458.9	0	0
Floor	1003.7	996.2	948	975.1
K-factor	32	32	32	32
Min/Max rating change allowed	114.1	117.4	116.5	112
Highest rating	1503.7 2019-10-01	1496.2 2019-10-01	1574.1 2018-06-01	1475.1 2024-03-01
Highest raw rating	1503.7 2019-10-01	1496.2 2019-10-01	1448 2024-02-01	1475.1 2024-03-01
Highest weighted rating	1503.7 2019-10-01	1496.2 2019-10-01	1447.9 2025-08-01	1470.4 2025-08-01
Highest weighted performance	1411.1 2018-06-01	1467.8 2019-09-01	1574.1 2018-06-01	1460.7 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.8	0.7	0	0
New rating	1467.6	1448.1	1448	1475.1
Analysis
Rating	1466.8	1447.4	1448	1475.1
Raw rating	1462.3	1442.4	1448	1475.1
Weighted rating	1466.8	1447.4	1448
Weighted performance	752.2	458.9	0
K-factor	32	32	32	32
Floor	1003.7	996.2	948	975.1
Max/Min rating change allowed	114.1	117.4	116.5	112
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	1462.3	1442.4	1448	1475.1
New weighted rating	1467.6	1448.1	1448	1475.1
New weighted performance	742.7	449.9	0	0
Temp new rating	1467.6	1448.1	1448	1475.1
Temp new rating +/-	0.8	0.7	0	0
Final new rating +/-	0.8	0.7	0	0
New rating	1467.6	1448.1	1448	1475.1
New K-factor	32	32	32	32
New floor	1003.7	996.2	948	975.1

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	8	8	0	0
	15	8	0	7
	8	8	0	0
	14	14	0	0
	0	0	0	0
History	190	163	13	14

Games since
	Main 23	Standard 16		Rapid 0		Blitz 7
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	8	2	25	-212.5	1631.8	1419.3
Standard	8	2	25	-212.5	1631.8	1419.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	102	58.5	57.35	62.5	1426.1	1488.6
Standard	81	45	55.56	47.2	1410.1	1457.3
Rapid	7	5	71.43	182.1	1384.9	1567
Blitz	14	8.5	60.71	91.1	1539.1	1630.2

Date	Main	Standard	Rapid	Blitz
2026-01-01	1462.3	1442.4	1448	1475.1
2025-11-30	1462.3	1442.4	1448	1475.1
2025-11-01	1462.3	1442.4	1448	1475.1
2025-09-30	1479.6	1460.6	1448	1475.1
2025-09-01	1479.6	1460.6	1448	1475.1
2025-08-01	1479.6	1460.6	1448	1475.1
2025-07-01	1479.6	1460.6	1448	1475.1
2025-06-01	1479.6	1460.6	1448	1475.1
2025-05-01	1479.6	1460.6	1448	1475.1
2025-04-01	1479.6	1460.6	1448	1475.1
2025-03-01	1479.6	1460.6	1448	1475.1
2025-02-01	1479.6	1460.6	1448	1475.1
2025-01-01	1479.6	1460.6	1448	1475.1
2024-12-01	1479.6	1460.6	1448	1475.1
2024-11-01	1479.6	1460.6	1448	1475.1
2024-10-01	1479.6	1460.6	1448	1475.1
2024-09-01	1406.6	1385.4	1448	1475.1
2024-11-01	1406.6	1385.4	1448	1475.1
2024-07-01	1406.6	1385.4	1448	1475.1
2024-06-01	1406.6	1385.4	1448	1475.1
2024-05-01	1406.6	1385.4	1448	1475.1
2024-04-01	1406.6	1385.4	1448	1475.1
2024-03-01	1406.6	1385.4	1448	1475.1
2024-02-01	1393.6	1385.4	1448	1407.6

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 Town Chess Federation Club League 2025 (A)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	2	0.5	Yes	Analysis
2	Cape Town Chess Federation Club League 2025 (B)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	6	1.5	Yes	Analysis
3	Blackjacks Chess Club Rapid Championship 2025	2025-06-21	2025-06-21	Rapid	Cape Town (WCT)	6	0	0	No	Analysis
4	CT League 2024 (C)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	8	7	Yes	Analysis
5	Steinitz Club Team Blitz Championship 2024	2024-02-15	2024-02-15	Blitz	Cape Town (WCT)	7	7	3.5	Yes	Analysis
6	WP Club League 2023 (A)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	3	1	Yes	Analysis
7	WP Club League 2023 (B)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	5	1	Yes	Analysis
8	2022 Western Province Club League (B)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	3	1	Yes	Analysis
9	South African Open 2022 (B)	2022-07-09	2022-07-17	Standard	Cape Town (WCT)	11	11	6	Yes	Analysis
10	2019 Western Cape Club Championship (A+B)	2019-10-25	2019-10-27	Standard	Overberg (WOS)	6	6	2	Yes	Analysis
11	2019 National Club Chess Championships (B)	2019-09-27	2019-09-29	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
12	2019 Western Province League (B)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	8	5	Yes	Analysis
13	Blackjacks Club Champs 2019	2019-07-04	2019-07-07	Standard	Cape Town (WCT)	7	7	3.5	Yes	Analysis
14	2019 Western Province Open (Prestige)	2019-05-25	2019-05-26	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
15	2019 Cape Town Classic Chess Festival (Blitz)	2019-03-29	2019-03-29	Blitz	Cape Town (WCT)	9	0	0	No	Analysis
16	2018 Western Province League (Premier)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	1	0.5	Yes	Analysis
17	2018 Western Province League (C)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	9	8	Yes	Analysis
18	Eldo Smart Memorial Rapid Tournament 2018	2018-06-16	2018-06-16	Rapid	Cape Town (WCT)	7	7	5	Yes	Analysis
19	WP Team Blitz 2018 (B)	2018-02-17	2018-02-17	Blitz	Cape Town (WCT)	7	7	5	Yes	Analysis

#	Games	Start				End
1	8	Tournament 2018 Western Province League				Tournament 2019 Western Province Open
		date 2018-08-18	rnd 5	type Standard	result 1	date 2019-05-25	rnd 2	type Standard	result 1
		Opponent Thakersee, A (Akshay)				Opponent Mangoro, R (Richard)
2	7	Tournament CT League 2024				Tournament Cape Town Chess Federation Club League 2025
		date 2024-08-24	rnd 7	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 0.5
		Opponent Nkonyana, A (Aphelele)				Opponent Schultz, L (Louis Johann)
3	6	Tournament 2019 Western Province League				Tournament 2019 National Club Chess Championships
		date 2019-08-24	rnd 9	type Standard	result 0.5	date 2019-09-28	rnd 3	type Standard	result 1
		Opponent Arnold, F (Fuad)				Opponent Imrie, D (Daniel)

#	Games	Start				End
1	8	Tournament 2018 Western Province League				Tournament 2019 Western Province Open
		date 2018-08-18	rnd 5	type Standard	result 1	date 2019-05-25	rnd 2	type Standard	result 1
		Opponent Thakersee, A (Akshay)				Opponent Mangoro, R (Richard)
2	6	Tournament 2019 Western Province League				Tournament 2019 National Club Chess Championships
		date 2019-08-24	rnd 9	type Standard	result 0.5	date 2019-09-28	rnd 3	type Standard	result 1
		Opponent Arnold, F (Fuad)				Opponent Imrie, D (Daniel)
3	4	Tournament CT League 2024				Tournament CT League 2024
		date 2024-08-24	rnd 7	type Standard	result 1	date 2024-09-07	rnd 11	type Standard	result 1
		Opponent Nkonyana, A (Aphelele)				Opponent Guo, A (Aleks)

#	Games	Start				End
1	3	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 5	type Rapid	result 1	date 2018-06-16	rnd 7	type Rapid	result 1
		Opponent Van Der Westhuizen, F (Francois)				Opponent Simons, D (Duke)
2	1	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 3	type Rapid	result 1	date 2018-06-16	rnd 3	type Rapid	result 1
		Opponent Rossouw, J (Jan)				Opponent Rossouw, J (Jan)
3	1	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 1	type Rapid	result 1	date 2018-06-16	rnd 1	type Rapid	result 1
		Opponent Jali, H (Hlumelo)				Opponent Jali, H (Hlumelo)

#	Games	Start				End
1	5	Tournament WP Team Blitz 2018				Tournament WP Team Blitz 2018
		date 2018-02-17	rnd 1	type Blitz	result 1	date 2018-02-17	rnd 5	type Blitz	result 1
		Opponent Dlamini, S (Simthembile)				Opponent Blows, K (Kiara)
2	4	Tournament Steinitz Club Team Blitz Championship 2024				Tournament Steinitz Club Team Blitz Championship 2024
		date 2024-02-15	rnd 3	type Blitz	result 1	date 2024-02-15	rnd 6	type Blitz	result 0.5
		Opponent Wright, M (Malcolm)				Opponent Klaasen, CJ (Calvin)

#	Games	Start				End
1	6	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament 2018 Western Province League
		date 2018-06-16	rnd 5	type Rapid	result 1	date 2018-08-11	rnd 3	type Standard	result 1
		Opponent Van Der Westhuizen, F (Francois)				Opponent Kalala, A (Alladean)
2	5	Tournament WP Team Blitz 2018				Tournament WP Team Blitz 2018
		date 2018-02-17	rnd 1	type Blitz	result 1	date 2018-02-17	rnd 5	type Blitz	result 1
		Opponent Dlamini, S (Simthembile)				Opponent Blows, K (Kiara)
3	4	Tournament CT League 2024				Tournament CT League 2024
		date 2024-08-24	rnd 7	type Standard	result 1	date 2024-09-07	rnd 11	type Standard	result 1
		Opponent Nkonyana, A (Aphelele)				Opponent Guo, A (Aleks)

#	Games	Start				End
1	4	Tournament CT League 2024				Tournament CT League 2024
		date 2024-08-24	rnd 7	type Standard	result 1	date 2024-09-07	rnd 11	type Standard	result 1
		Opponent Nkonyana, A (Aphelele)				Opponent Guo, A (Aleks)
2	4	Tournament 2019 Western Province League				Tournament 2019 National Club Chess Championships
		date 2019-09-07	rnd 11	type Standard	result 1	date 2019-09-28	rnd 3	type Standard	result 1
		Opponent Mbhele, N (Nkululeko)				Opponent Imrie, D (Daniel)
3	4	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-18	rnd 5	type Standard	result 1	date 2018-09-01	rnd 8	type Standard	result 1
		Opponent Thakersee, A (Akshay)				Opponent Jonas, E (Edwil)

#	Games	Start				End
1	3	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 5	type Rapid	result 1	date 2018-06-16	rnd 7	type Rapid	result 1
		Opponent Van Der Westhuizen, F (Francois)				Opponent Simons, D (Duke)
2	1	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 3	type Rapid	result 1	date 2018-06-16	rnd 3	type Rapid	result 1
		Opponent Rossouw, J (Jan)				Opponent Rossouw, J (Jan)
3	1	Tournament Eldo Smart Memorial Rapid Tournament 2018				Tournament Eldo Smart Memorial Rapid Tournament 2018
		date 2018-06-16	rnd 1	type Rapid	result 1	date 2018-06-16	rnd 1	type Rapid	result 1
		Opponent Jali, H (Hlumelo)				Opponent Jali, H (Hlumelo)

#	Games	Start				End
1	5	Tournament WP Team Blitz 2018				Tournament WP Team Blitz 2018
		date 2018-02-17	rnd 1	type Blitz	result 1	date 2018-02-17	rnd 5	type Blitz	result 1
		Opponent Dlamini, S (Simthembile)				Opponent Blows, K (Kiara)
2	3	Tournament Steinitz Club Team Blitz Championship 2024				Tournament Steinitz Club Team Blitz Championship 2024
		date 2024-02-15	rnd 3	type Blitz	result 1	date 2024-02-15	rnd 5	type Blitz	result 1
		Opponent Wright, M (Malcolm)				Opponent Bouah, D (Denise)

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)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Galleid ,S (Stephen)	2	1615.9	1190.9	2	1615.3	1190.9	0	0	0	0	0	0
2	Mentoor ,TT (Theodor Thys)	2	1	0	1	0	-425	1	1	425	0	0	0
2	Mentoor ,TT (Theodor Thys)	2	1609.4	1609.4	1	1572.7	1184.4	1	1650.8	2034.4	0	0	0
3	Wright ,M (Malcolm)	2	2	425	1	1	425	0	0	0	1	1	425
3	Wright ,M (Malcolm)	2	1376.4	1801.4	1	1426.4	1801.4	0	0	0	1	1458.4	1801.4
4	Brown ,SC (Shaun Christo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Brown ,SC (Shaun Christo)	1	1718.3	1293.3	1	1713.2	1293.3	0	0	0	0	0	0
5	Van Zyl ,B (Bea)	1	1	425	1	1	425	0	0	0	0	0	0
5	Van Zyl ,B (Bea)	1	1106	1531	1	1070.8	1531	0	0	0	0	0	0
6	Wessels ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Wessels ,E (Ethan)	1	1224.3	799.3	1	1225.7	799.3	0	0	0	0	0	0
7	Guryanov ,M (Mark)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Guryanov ,M (Mark)	1	1231.3	806.3	1	1236	806.3	0	0	0	0	0	0
8	Fourie ,C (Corne)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Fourie ,C (Corne)	1	1321.3	896.3	1	1329.5	896.3	0	0	0	0	0	0
9	Marx ,L (Llewellyn)	1	1	425	1	1	425	0	0	0	0	0	0
9	Marx ,L (Llewellyn)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Heynse ,C (Christiano)	1	1	425	1	1	425	0	0	0	0	0	0
10	Heynse ,C (Christiano)	1	1396.8	1821.8	1	1382.8	1821.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Koopstadt, RT (Rudy Trevor)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms