Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pearson, GEC (Grahame Edwin Crawford)

Chess SA id

143029559

FIDE id

Date of birth

1943-05-20 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-09-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1592.5	1596.5	1777.7	1709.3
Raw rating	1592.5	1596.5	1777.7	1709.3
Weighted rating	1592.5	1596.5	1777.7	1709.3
Weighted performance	0	0	0	0
Floor	1277.7	1277.7	1277.7	1277.7
K-factor	28	28	28	28
Min/Max rating change allowed	94.8	94.3	72.8	80.3
Highest rating	1777.7 2018-02-01	1777.7 2018-02-01	1777.7 2019-03-01	1777.7 2018-02-01
Highest raw rating	1777.7 2018-01-01	1777.7 2018-01-01	1777.7 2024-02-01	1777.7 2018-01-01
Highest weighted rating	1777.7 2018-02-01	1777.7 2018-02-01	1777.7 2019-03-01	1777.7 2018-02-01
Highest weighted performance	1366.8 2019-09-01	1355.9 2019-09-01	1200 2024-02-01	1412.6 2019-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1592.5	1596.5	1777.7	1709.3
Analysis
Rating	1592.5	1596.5	1777.7	1709.3
Raw rating	1592.5	1596.5	1777.7	1709.3
Weighted rating	1592.5	1596.5	1777.7
Weighted performance	0	0	0
K-factor	28	28	28	28
Floor	1277.7	1277.7	1277.7	1277.7
Max/Min rating change allowed	94.8	94.3	72.8	80.3
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	1592.5	1596.5	1777.7	1709.3
New weighted rating	1592.5	1596.5	1777.7	1709.3
New weighted performance	0	0	0	0
Temp new rating	1592.5	1596.5	1777.7	1709.3
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1592.5	1596.5	1777.7	1709.3
New K-factor	28	28	28	28
New floor	1277.7	1277.7	1277.7	1277.7

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	5	5	0	0
	7	7	0	0
	0	0	0	0
History	150	131	5	14

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
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	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	47	18	38.3	-99.5	1538.2	1438.7
Standard	33	12	36.36	-115.9	1558.3	1442.4
Rapid	0	0	0	0	0	0
Blitz	14	6	42.86	-60.7	1490.8	1430.1

Date	Main	Standard	Rapid	Blitz
2025-09-30	1592.5	1596.5	1777.7	1709.3
2025-09-01	1592.5	1596.5	1777.7	1709.3
2025-08-01	1592.5	1596.5	1777.7	1709.3
2025-07-01	1592.5	1596.5	1777.7	1709.3
2025-06-01	1592.5	1596.5	1777.7	1709.3
2025-05-01	1592.5	1596.5	1777.7	1709.3
2025-04-01	1592.5	1596.5	1777.7	1709.3
2025-03-01	1592.5	1596.5	1777.7	1709.3
2025-02-01	1592.5	1596.5	1777.7	1709.3
2025-01-01	1592.5	1596.5	1777.7	1709.3
2024-12-01	1592.5	1596.5	1777.7	1709.3
2024-11-01	1592.5	1596.5	1777.7	1709.3
2024-10-01	1592.5	1596.5	1777.7	1709.3
2024-09-01	1592.5	1596.5	1777.7	1709.3
2024-08-01	1592.5	1596.5	1777.7	1709.3
2024-07-01	1592.5	1596.5	1777.7	1709.3
2024-06-01	1592.5	1596.5	1777.7	1709.3
2024-08-01	1592.5	1596.5	1777.7	1709.3
2024-04-01	1592.5	1596.5	1777.7	1709.3
2024-03-01	1592.5	1596.5	1777.7	1709.3
2024-02-01	1592.5	1596.5	1777.7	1709.3
2024-01-01	1592.5	1596.5	1777.7	1709.3
2023-12-01	1592.5	1596.5	1777.7	1709.3
2023-11-01	1592.5	1596.5	1777.7	1709.3

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	WP Club League 2023 (A)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	5	2.5	Yes	Analysis
2	2022 Western Province Club League (Premier)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	7	1	Yes	Analysis
3	2019 Western Province League (Premier)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	5	1.5	Yes	Analysis
4	Cape Town Chess Club - Club Championship 2019 (Candidate)	2019-05-07	2019-07-02	Standard	Cape Town (WCT)	7	6	5.5	Yes	Analysis
5	Cape Town Chess Club Annual Blitz Championship 2019	2019-04-23	2019-04-23	Blitz	Cape Town (WCT)	7	7	3	Yes	Analysis
6	2018 Western Province League (Premier)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	3	0.5	Yes	Analysis
7	Cape Town Chess Club Club Championship 2018 (Championship)	2018-05-08	2018-06-19	Standard	Cape Town (WCT)	7	7	1	Yes	Analysis
8	Cape Town Chess Club Blitz 2018	2018-04-24	2018-04-24	Blitz	Cape Town (WCT)	7	7	3	Yes	Analysis

#	Games	Start				End
1	9	Tournament Cape Town Chess Club Annual Blitz Championship 2019				Tournament 2019 Western Province League
		date 2019-04-23	rnd 7	type Blitz	result 1	date 2019-08-10	rnd 6	type Standard	result 1
		Opponent Paterson, J (Jonny)				Opponent Styer, G (Garth)
2	4	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-08-26	rnd 8	type Standard	result 0.5
		Opponent Du Plessis, AC (Anika)				Opponent Flores Bartoli, A (Andrew)
3	2	Tournament Cape Town Chess Club Annual Blitz Championship 2019				Tournament Cape Town Chess Club Annual Blitz Championship 2019
		date 2019-04-23	rnd 2	type Blitz	result 1	date 2019-04-23	rnd 3	type Blitz	result 1
		Opponent Levin, N (Norman)				Opponent Baxter, DJ (David)

#	Games	Start				End
1	8	Tournament Cape Town Chess Club - Club Championship 2019				Tournament 2019 Western Province League
		date 2019-05-14	rnd 2	type Standard	result 0.5	date 2019-08-10	rnd 6	type Standard	result 1
		Opponent Salimu, C (Chase)				Opponent Styer, G (Garth)
2	4	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-08-26	rnd 8	type Standard	result 0.5
		Opponent Du Plessis, AC (Anika)				Opponent Flores Bartoli, A (Andrew)
3	1	Tournament 2022 Western Province Club League				Tournament 2022 Western Province Club League
		date 2022-09-10	rnd 8	type Standard	result 0.5	date 2022-09-10	rnd 8	type Standard	result 0.5
		Opponent Bhawoodien, SH (Shabier)				Opponent Bhawoodien, SH (Shabier)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Town Chess Club Annual Blitz Championship 2019				Tournament Cape Town Chess Club Annual Blitz Championship 2019
		date 2019-04-23	rnd 2	type Blitz	result 1	date 2019-04-23	rnd 3	type Blitz	result 1
		Opponent Levin, N (Norman)				Opponent Baxter, DJ (David)
2	2	Tournament Cape Town Chess Club Blitz 2018				Tournament Cape Town Chess Club Blitz 2018
		date 2018-04-24	rnd 4	type Blitz	result 1	date 2018-04-24	rnd 5	type Blitz	result 1
		Opponent Naidoo, S (Srevandra)				Opponent Nkosana, L (Luvuyo)
3	1	Tournament Cape Town Chess Club Annual Blitz Championship 2019				Tournament Cape Town Chess Club Annual Blitz Championship 2019
		date 2019-04-23	rnd 7	type Blitz	result 1	date 2019-04-23	rnd 7	type Blitz	result 1
		Opponent Paterson, J (Jonny)				Opponent Paterson, J (Jonny)

#	Games	Start				End
1	5	Tournament Cape Town Chess Club - Club Championship 2019				Tournament Cape Town Chess Club - Club Championship 2019
		date 2019-05-21	rnd 3	type Standard	result 1	date 2019-07-02	rnd 7	type Standard	result 1
		Opponent Paterson, J (Jonny)				Opponent Jegels, L (Llewellin)
2	2	Tournament Cape Town Chess Club Annual Blitz Championship 2019				Tournament Cape Town Chess Club Annual Blitz Championship 2019
		date 2019-04-23	rnd 2	type Blitz	result 1	date 2019-04-23	rnd 3	type Blitz	result 1
		Opponent Levin, N (Norman)				Opponent Baxter, DJ (David)
3	2	Tournament Cape Town Chess Club Blitz 2018				Tournament Cape Town Chess Club Blitz 2018
		date 2018-04-24	rnd 4	type Blitz	result 1	date 2018-04-24	rnd 5	type Blitz	result 1
		Opponent Naidoo, S (Srevandra)				Opponent Nkosana, L (Luvuyo)

#	Games	Start				End
1	5	Tournament Cape Town Chess Club - Club Championship 2019				Tournament Cape Town Chess Club - Club Championship 2019
		date 2019-05-21	rnd 3	type Standard	result 1	date 2019-07-02	rnd 7	type Standard	result 1
		Opponent Paterson, J (Jonny)				Opponent Jegels, L (Llewellin)
2	1	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-07-29	rnd 1	type Standard	result 1
		Opponent Du Plessis, AC (Anika)				Opponent Du Plessis, AC (Anika)
3	1	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-10	rnd 6	type Standard	result 1	date 2019-08-10	rnd 6	type Standard	result 1
		Opponent Styer, G (Garth)				Opponent Styer, G (Garth)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Town Chess Club Annual Blitz Championship 2019				Tournament Cape Town Chess Club Annual Blitz Championship 2019
		date 2019-04-23	rnd 2	type Blitz	result 1	date 2019-04-23	rnd 3	type Blitz	result 1
		Opponent Levin, N (Norman)				Opponent Baxter, DJ (David)
2	2	Tournament Cape Town Chess Club Blitz 2018				Tournament Cape Town Chess Club Blitz 2018
		date 2018-04-24	rnd 4	type Blitz	result 1	date 2018-04-24	rnd 5	type Blitz	result 1
		Opponent Naidoo, S (Srevandra)				Opponent Nkosana, L (Luvuyo)
3	1	Tournament Cape Town Chess Club Annual Blitz Championship 2019				Tournament Cape Town Chess Club Annual Blitz Championship 2019
		date 2019-04-23	rnd 7	type Blitz	result 1	date 2019-04-23	rnd 7	type Blitz	result 1
		Opponent Paterson, J (Jonny)				Opponent Paterson, J (Jonny)

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	De Jager ,AJ (Andreas Johannes)	3	0	-425	2	0	-425	0	0	0	1	0	-425
1	De Jager ,AJ (Andreas Johannes)	3	1782.3	1357.3	2	1875.6	1357.3	0	0	0	1	1676	1357.3
2	Levin ,N (Norman)	2	2	425	1	1	425	0	0	0	1	1	425
2	Levin ,N (Norman)	2	639.8	1064.8	1	638.4	1064.8	0	0	0	1	584	1064.8
3	Paterson ,J (Jonny)	2	2	425	1	1	425	0	0	0	1	1	425
3	Paterson ,J (Jonny)	2	1335.9	1760.9	1	1306.2	1760.9	0	0	0	1	1271	1760.9
4	Erlank ,WK (Warrick)	2	0	-425	0	0	0	0	0	0	2	0	-425
4	Erlank ,WK (Warrick)	2	2064.5	1639.5	0	0	0	0	0	0	2	2048.6	1639.5
5	Hoossen ,E (Erfaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Hoossen ,E (Erfaan)	1	1810	1385	1	1810	1385	0	0	0	0	0	0
6	Braaf ,J (Jiraan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Braaf ,J (Jiraan)	1	1745.3	1320.3	1	1736.4	1320.3	0	0	0	0	0	0
7	Du Plessis ,AC (Anika)	1	1	425	1	1	425	0	0	0	0	0	0
7	Du Plessis ,AC (Anika)	1	1611.4	2036.4	1	1606.4	2036.4	0	0	0	0	0	0
8	Salimu ,C (Chase)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Salimu ,C (Chase)	1	1385.6	1385.6	1	1347.2	1385.6	0	0	0	0	0	0
9	Samuels ,ER (Ethan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Samuels ,ER (Ethan)	1	1816	1816	1	1839.5	1816	0	0	0	0	0	0
10	Jegels ,T (Tim)	1	1	425	1	1	425	0	0	0	0	0	0
10	Jegels ,T (Tim)	1	1198.8	1623.8	1	1200	1623.8	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

Pearson, GEC (Grahame Edwin Crawford)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms