Chess South Africa Ratings Database

PLAYER PAGE

Personal

Collier, R (Rodger)

Chess SA id

1820147205

FIDE id

Date of birth

1982-09-03 (Adult)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1247.6	1200.3	1305.5	1300
Raw rating	1247.6	1200.3	1305.5	1300
Weighted rating	1247.3	1200.1	1304.8	1299
Weighted performance	867.9	0	0	0
Floor	764.2	752	805.5	800
K-factor	36	36	36	36
Min/Max rating change allowed	154.9	165.7	142.7	143.8
Highest rating	1366.3 2023-03-01	1395.9 2023-03-01	1373.3 2022-10-01	1300 2024-02-01
Highest raw rating	1264.2 2023-04-01	1252 2023-04-01	1305.5 2024-02-01	1300 2024-02-01
Highest weighted rating	1246.6 2025-08-01	1252 2023-07-01	1303.2 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1366.3 2023-03-01	1395.9 2023-03-01	1373.3 2022-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1247.6	1200.3	1305.5	1300
Analysis
Rating	1247.6	1200.3	1305.5	1300
Raw rating	1247.6	1200.3	1305.5	1300
Weighted rating	1247.3	1200.1	1304.8
Weighted performance	867.9	0	0
K-factor	36	36	36	36
Floor	764.2	752	805.5	800
Max/Min rating change allowed	154.9	165.7	142.7	143.8
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	1247.6	1200.3	1305.5	1300
New weighted rating	1247.5	1200.2	1305.2	1299.7
New weighted performance	867.5	0	0	0
Temp new rating	1247.6	1200.3	1305.5	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1247.6	1200.3	1305.5	1300
New K-factor	36	36	36	36
New floor	764.2	752	805.5	800

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	22	22	0
	5	0	5
	0	0	0
History	27	22	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
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	27	13	48.15	-15.7	1276	1260.3
Standard	22	9.5	43.18	-58	1293.3	1235.4
Rapid	5	3.5	70	170	1200	1370
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1247.6	1200.3	1305.5	1300
2025-09-01	1247.6	1200.3	1305.5	1300
2025-08-01	1247.6	1200.3	1305.5	1300
2025-07-01	1247.6	1200.3	1305.5	1300
2025-06-01	1247.6	1200.3	1305.5	1300
2025-05-01	1247.6	1200.3	1305.5	1300
2025-04-01	1247.6	1200.3	1305.5	1300
2025-03-01	1247.6	1200.3	1305.5	1300
2025-02-01	1247.6	1200.3	1305.5	1300
2025-01-01	1247.6	1200	1305.5	1300
2024-12-01	1247.6	1200	1305.5	1300
2024-11-01	1247.6	1200	1305.5	1300
2024-10-01	1247.6	1200	1305.5	1300
2024-09-01	1247.6	1200	1305.5	1300
2024-08-01	1247.6	1200	1305.5	1300
2024-07-01	1247.6	1200	1305.5	1300
2024-06-01	1247.6	1200	1305.5	1300
2024-08-01	1247.6	1200	1305.5	1300
2024-04-01	1247.6	1200	1305.5	1300
2024-03-01	1247.6	1200	1305.5	1300
2024-02-01	1247.6	1200	1305.5	1300
2024-01-01	1247.6	1200	1305.5	1300
2023-12-01	1217.5	1196.9	1238.4	1200
2023-11-01	1217.5	1196.9	1238.4	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	NMBCU Closed 2023 (Adults)	2023-08-11	2023-08-12	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
2	NMBCU Trial 4 2023 (U20+Open)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	5	4	1.5	Yes	Analysis
3	EP Trials 3 2023 (Open)	2023-05-05	2023-05-06	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
4	NMB 2nd Trials 2023 (Adults)	2023-03-24	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
5	2022 Madibaz Physics Chess Open (E)	2022-10-07	2022-10-08	Rapid	Nelson Mandela Bay (ENM)	6	5	3.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2022 Madibaz Physics Chess Open				Tournament NMB 2nd Trials 2023
		date 2022-10-08	rnd 5	type Rapid	result 1	date 2023-03-25	rnd 4	type Standard	result 1
		Opponent Putulu, S (Sonwabiso)				Opponent Ndyova, T (Thanduxolo)
2	3	Tournament 2022 Madibaz Physics Chess Open				Tournament 2022 Madibaz Physics Chess Open
		date 2022-10-07	rnd 1	type Rapid	result 1	date 2022-10-08	rnd 3	type Rapid	result 1
		Opponent Pujirana, A (Andi Isni)				Opponent Hlophe, Y (Yamkela)
3	2	Tournament NMBCU Closed 2023				Tournament NMBCU Closed 2023
		date 2023-08-11	rnd 1	type Standard	result 1	date 2023-08-12	rnd 2	type Standard	result 1
		Opponent Balfour, A (Anesipho)				Opponent Bouwer, T (Tiaan)

#	Games	Start				End
1	4	Tournament NMB 2nd Trials 2023				Tournament NMB 2nd Trials 2023
		date 2023-03-24	rnd 1	type Standard	result 1	date 2023-03-25	rnd 4	type Standard	result 1
		Opponent Bouwer, T (Tiaan)				Opponent Ndyova, T (Thanduxolo)
2	2	Tournament NMBCU Closed 2023				Tournament NMBCU Closed 2023
		date 2023-08-11	rnd 1	type Standard	result 1	date 2023-08-12	rnd 2	type Standard	result 1
		Opponent Balfour, A (Anesipho)				Opponent Bouwer, T (Tiaan)
3	2	Tournament NMBCU Trial 4 2023				Tournament NMBCU Trial 4 2023
		date 2023-07-28	rnd 1	type Standard	result 0.5	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Bouwer, T (Tiaan)				Opponent Peter, M (Mnico)

#	Games	Start				End
1	3	Tournament 2022 Madibaz Physics Chess Open				Tournament 2022 Madibaz Physics Chess Open
		date 2022-10-07	rnd 1	type Rapid	result 1	date 2022-10-08	rnd 3	type Rapid	result 1
		Opponent Pujirana, A (Andi Isni)				Opponent Hlophe, Y (Yamkela)
2	1	Tournament 2022 Madibaz Physics Chess Open				Tournament 2022 Madibaz Physics Chess Open
		date 2022-10-08	rnd 5	type Rapid	result 1	date 2022-10-08	rnd 5	type Rapid	result 1
		Opponent Putulu, S (Sonwabiso)				Opponent Putulu, S (Sonwabiso)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2022 Madibaz Physics Chess Open				Tournament NMB 2nd Trials 2023
		date 2022-10-08	rnd 5	type Rapid	result 1	date 2023-03-25	rnd 4	type Standard	result 1
		Opponent Putulu, S (Sonwabiso)				Opponent Ndyova, T (Thanduxolo)
2	2	Tournament NMBCU Closed 2023				Tournament NMBCU Closed 2023
		date 2023-08-11	rnd 1	type Standard	result 1	date 2023-08-12	rnd 2	type Standard	result 1
		Opponent Balfour, A (Anesipho)				Opponent Bouwer, T (Tiaan)
3	1	Tournament NMBCU Trial 4 2023				Tournament NMBCU Trial 4 2023
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Peter, M (Mnico)				Opponent Peter, M (Mnico)

#	Games	Start				End
1	4	Tournament NMB 2nd Trials 2023				Tournament NMB 2nd Trials 2023
		date 2023-03-24	rnd 1	type Standard	result 1	date 2023-03-25	rnd 4	type Standard	result 1
		Opponent Bouwer, T (Tiaan)				Opponent Ndyova, T (Thanduxolo)
2	2	Tournament NMBCU Closed 2023				Tournament NMBCU Closed 2023
		date 2023-08-11	rnd 1	type Standard	result 1	date 2023-08-12	rnd 2	type Standard	result 1
		Opponent Balfour, A (Anesipho)				Opponent Bouwer, T (Tiaan)
3	1	Tournament NMBCU Trial 4 2023				Tournament NMBCU Trial 4 2023
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Peter, M (Mnico)				Opponent Peter, M (Mnico)

#	Games	Start				End
1	1	Tournament 2022 Madibaz Physics Chess Open				Tournament 2022 Madibaz Physics Chess Open
		date 2022-10-08	rnd 5	type Rapid	result 1	date 2022-10-08	rnd 5	type Rapid	result 1
		Opponent Putulu, S (Sonwabiso)				Opponent Putulu, S (Sonwabiso)
2	1	Tournament 2022 Madibaz Physics Chess Open				Tournament 2022 Madibaz Physics Chess Open
		date 2022-10-08	rnd 3	type Rapid	result 1	date 2022-10-08	rnd 3	type Rapid	result 1
		Opponent Hlophe, Y (Yamkela)				Opponent Hlophe, Y (Yamkela)
3	1	Tournament 2022 Madibaz Physics Chess Open				Tournament 2022 Madibaz Physics Chess Open
		date 2022-10-07	rnd 1	type Rapid	result 1	date 2022-10-07	rnd 1	type Rapid	result 1
		Opponent Pujirana, A (Andi Isni)				Opponent Pujirana, A (Andi Isni)

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	Bouwer ,T (Tiaan)	4	3.5	318.8	4	3.5	318.8	0	0	0	0	0	0
1	Bouwer ,T (Tiaan)	4	1213.7	1532.4	4	1215.6	1532.4	0	0	0	0	0	0
2	Ndyova ,T (Thanduxolo)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Ndyova ,T (Thanduxolo)	3	1417.3	1275.7	3	1405.4	1275.7	0	0	0	0	0	0
3	Mapungwana ,S (Sikelela)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Mapungwana ,S (Sikelela)	2	1142.5	717.5	2	1051	717.5	0	0	0	0	0	0
4	Kapp ,J (Jacinto)	2	1	0	2	1	0	0	0	0	0	0	0
4	Kapp ,J (Jacinto)	2	1422.2	1422.2	2	1372.8	1422.2	0	0	0	0	0	0
5	Manley ,D (David Luc)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Manley ,D (David Luc)	2	1200.8	775.8	2	1177.3	775.8	0	0	0	0	0	0
6	Peter ,M (Mnico)	1	1	425	1	1	425	0	0	0	0	0	0
6	Peter ,M (Mnico)	1	1448	1873	1	1433.7	1873	0	0	0	0	0	0
7	Simons ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Simons ,D (Daniel)	1	1273.4	848.4	1	1256.5	848.4	0	0	0	0	0	0
8	Swanepoel ,D (Diego)	1	1	425	1	1	425	0	0	0	0	0	0
8	Swanepoel ,D (Diego)	1	1214.4	1639.4	1	1213	1639.4	0	0	0	0	0	0
9	Ngwala ,L (Lutho)	1	1	425	1	1	425	0	0	0	0	0	0
9	Ngwala ,L (Lutho)	1	1148.9	1573.9	1	1086.8	1573.9	0	0	0	0	0	0
10	Smith ,AS (Achmat Siraaj)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Smith ,AS (Achmat Siraaj)	1	1227.9	802.9	1	1226	802.9	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

Collier, R (Rodger)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms