Chess South Africa Ratings Database

PLAYER PAGE

Personal

Powis, R (Robert)

Chess SA id

1110193648

FIDE id

Date of birth

2011-06-20 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1307.6	1258.4	1316.4	1200
Raw rating	1307.6	1258.4	1316.4	1200
Weighted rating	1303.8	1258.2	1314.2	1200
Weighted performance	1093.9	0	1123.4	0
Floor	807.6	758.4	830.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	142.3	152.6	140.5	165.8
Highest rating	1463.1 2024-02-01	1443.2 2024-02-01	1338.5 2024-07-01	1200 2024-02-01
Highest raw rating	1307.6 2025-04-01	1258.4 2024-03-01	1330.7 2024-11-01	1200 2024-02-01
Highest weighted rating	1307.6 2024-10-01	1258.4 2024-10-01	1330.7 2024-10-01	1200 2024-02-01
Highest weighted performance	1463.1 2024-02-01	1443.2 2024-02-01	1338.5 2024-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1307.6	1258.4	1316.4	1200
Analysis
Rating	1307.6	1258.4	1316.4	1200
Raw rating	1307.6	1258.4	1316.4	1200
Weighted rating	1303.8	1258.2	1314.2
Weighted performance	1093.9	0	1123.4
K-factor	36	36	36	36
Floor	807.6	758.4	830.7	700
Max/Min rating change allowed	142.3	152.6	140.5	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	1307.6	1258.4	1316.4	1200
New weighted rating	1305	1258.4	1315.7	1200
New weighted performance	1085.5	0	1114.7	0
Temp new rating	1307.6	1258.4	1316.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1307.6	1258.4	1316.4	1200
New K-factor	36	36	36	36
New floor	807.6	758.4	830.7	700

Item	Main	Standard	Rapid
	0	0	0
	7	0	7
	38	5	33
	0	0	0
	0	0	0
	0	0	0
History	45	5	40

Games since
	Main 45	Standard 5		Rapid 40		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3207		1052		431
Male	2505		782		337
U16	505		173		60
U16 Male	373		123		44
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	980		499		212
Male	798		407		188
U16	148		75		28
U16 Male	114		60		24
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	7	3	42.86	-60.7	1334	1273.3
Standard	0	0	0	0	0	0
Rapid	7	3	42.86	-60.7	1334	1273.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	45	25	55.56	47.2	1295.6	1342.9
Standard	5	3.5	70	170	1292.1	1462.1
Rapid	40	21.5	53.75	31.9	1296.1	1327.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1307.6	1258.4	1316.4	1200
2025-11-30	1307.6	1258.4	1316.4	1200
2025-11-01	1307.6	1258.4	1316.4	1200
2025-09-30	1307.6	1258.4	1316.4	1200
2025-09-01	1307.6	1258.4	1316.4	1200
2025-08-01	1307.6	1258.4	1316.4	1200
2025-07-01	1307.6	1258.4	1316.4	1200
2025-06-01	1307.6	1258.4	1316.4	1200
2025-05-01	1307.6	1258.4	1316.4	1200
2025-04-01	1307.6	1258.4	1316.4	1200
2025-03-01	1307	1258.4	1330.7	1200
2025-02-01	1307	1258.4	1330.7	1200
2025-01-01	1307	1258.4	1330.7	1200
2024-12-01	1307	1258.4	1330.7	1200
2024-11-01	1307	1258.4	1330.7	1200
2024-10-01	1301	1258.4	1324.2	1200
2024-09-01	1301	1258.4	1324.2	1200
2024-11-01	1301	1258.4	1324.2	1200
2024-07-01	1264.9	1258.4	1237.1	1200
2024-06-01	1264.9	1258.4	1237.1	1200
2024-05-01	1278.1	1258.4	1258.3	1200
2024-04-01	1265.5	1258.4	1235.6	1200
2024-03-01	1252.5	1258.4	1200	1200
2024-02-01	1200	1200	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	Steinitz Festival 2025 (Open)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	7	3	Yes	Analysis
2	Laerskool Welgemoed Rapid 2024 (U14)	2024-10-19	2024-10-19	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
3	CT District North Top Schools 2024 (U13 Mixed)	2024-07-27	2024-07-27	Rapid	Cape Town (WCT)	5	5	4	Yes	Analysis
4	Cape Town Junior League Finals 2024 (U15 Open A)	2024-05-18	2024-05-18	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
5	Cape Town Junior League - Qualifier 2 2024 (U15)	2024-04-20	2024-04-20	Rapid	Cape Town (WCT)	6	6	1.5	Yes	Analysis
6	Cape Town Junior League Qualifier 2024 (U15 Open)	2024-04-06	2024-04-06	Rapid	Cape Town (WCT)	6	5	3	Yes	Analysis
7	Chas Everitt and MHI Attorneys Rapid 2024 (U14)	2024-03-09	2024-03-09	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
8	North District School Trials 2024 (U13 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 0.5
		Opponent Fouche, B (Ben)				Opponent Muller, H (Helgard)
2	3	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 2	type Rapid	result 0.5	date 2025-03-15	rnd 4	type Rapid	result 0.5
		Opponent Kielblock, N (Nathan)				Opponent Meissenheimer, K (Kyle)
3	3	Tournament CT District North Top Schools 2024				Tournament CT District North Top Schools 2024
		date 2024-07-27	rnd 3	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Tumaka, A (Ahlumile)				Opponent Dainton, M (Michael)

#	Games	Start				End
1	4	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 0.5
		Opponent Fouche, B (Ben)				Opponent Muller, H (Helgard)

#	Games	Start				End
1	3	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 2	type Rapid	result 0.5	date 2025-03-15	rnd 4	type Rapid	result 0.5
		Opponent Kielblock, N (Nathan)				Opponent Meissenheimer, K (Kyle)
2	3	Tournament CT District North Top Schools 2024				Tournament CT District North Top Schools 2024
		date 2024-07-27	rnd 3	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Tumaka, A (Ahlumile)				Opponent Dainton, M (Michael)
3	3	Tournament Cape Town Junior League Finals 2024				Tournament CT District North Top Schools 2024
		date 2024-05-18	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 1	type Rapid	result 1
		Opponent Rubusana, N (Nina)				Opponent Nelson, R (Reese)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament CT District North Top Schools 2024				Tournament CT District North Top Schools 2024
		date 2024-07-27	rnd 3	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Tumaka, A (Ahlumile)				Opponent Dainton, M (Michael)
2	3	Tournament Cape Town Junior League Finals 2024				Tournament CT District North Top Schools 2024
		date 2024-05-18	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 1	type Rapid	result 1
		Opponent Rubusana, N (Nina)				Opponent Nelson, R (Reese)
3	3	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-06	rnd 4	type Rapid	result 1	date 2024-04-20	rnd 1	type Rapid	result 1
		Opponent Mahle, M (Mkonqo)				Opponent Jack, T (Tafadzwa)

#	Games	Start				End
1	3	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Fouche, B (Ben)				Opponent Batangana, I (Izere)

#	Games	Start				End
1	3	Tournament CT District North Top Schools 2024				Tournament CT District North Top Schools 2024
		date 2024-07-27	rnd 3	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Tumaka, A (Ahlumile)				Opponent Dainton, M (Michael)
2	3	Tournament Cape Town Junior League Finals 2024				Tournament CT District North Top Schools 2024
		date 2024-05-18	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 1	type Rapid	result 1
		Opponent Rubusana, N (Nina)				Opponent Nelson, R (Reese)
3	3	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-06	rnd 4	type Rapid	result 1	date 2024-04-20	rnd 1	type Rapid	result 1
		Opponent Mahle, M (Mkonqo)				Opponent Jack, T (Tafadzwa)

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	Memani ,M (Mpho)	1	1	425	1	1	425	0	0	0	0	0	0
1	Memani ,M (Mpho)	1	1208.5	1633.5	1	1200	1633.5	0	0	0	0	0	0
2	Guryanov ,M (Mark)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Guryanov ,M (Mark)	1	1467.5	1042.5	0	0	0	1	1382.3	1042.5	0	0	0
3	Meyer ,A (Adam)	1	1	425	0	0	0	1	1	425	0	0	0
3	Meyer ,A (Adam)	1	1154.2	1579.2	0	0	0	1	1124.8	1579.2	0	0	0
4	Mahle ,M (Mkonqo)	1	1	425	0	0	0	1	1	425	0	0	0
4	Mahle ,M (Mkonqo)	1	1246.5	1671.5	0	0	0	1	1200	1671.5	0	0	0
5	Van Der Spuy ,A (Albert)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Van Der Spuy ,A (Albert)	1	1414	989	0	0	0	1	1436.5	989	0	0	0
6	Hagan ,B (Bianca)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Hagan ,B (Bianca)	1	1446.1	1021.1	0	0	0	1	1204.4	1021.1	0	0	0
7	Kojoana ,L (Lesedi)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Kojoana ,L (Lesedi)	1	1258.2	833.2	0	0	0	1	1290	833.2	0	0	0
8	Gugulo ,N (Nonkosi)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Gugulo ,N (Nonkosi)	1	1255.5	830.5	0	0	0	1	1191	830.5	0	0	0
9	Bowman ,L (Lian)	1	1	425	0	0	0	1	1	425	0	0	0
9	Bowman ,L (Lian)	1	1307.9	1732.9	0	0	0	1	1309.8	1732.9	0	0	0
10	Salimu ,C (Chase)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Salimu ,C (Chase)	1	1809.4	1384.4	0	0	0	1	1756.3	1384.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Powis, R (Robert)

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Last 24 raw ratings

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Top 3 Streaks

Top 10 opponents most often played

Norms