Chess South Africa Ratings Database

PLAYER PAGE

Personal

Johnson, K (Kirstie)

Chess SA id

2940311503

FIDE id

Date of birth

1994-04-13 (Adult)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1190.2	1188.4	1202.1	1200
Raw rating	1190.2	1188.4	1202	1200
Weighted rating	1188.9	1186.6	1202.1	1200
Weighted performance	0	0	0	0
Floor	700	700	706.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	168.2	168.6	165.3	165.8
Highest rating	1200 2024-09-01	1200 2024-09-01	1217.7 2024-11-01	1200 2024-09-01
Highest raw rating	1200 2024-09-01	1200 2024-09-01	1206.4 2024-11-01	1200 2024-09-01
Highest weighted rating	1200 2024-09-01	1200 2024-09-01	1206.4 2025-02-01	1200 2024-09-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1217.7 2024-11-01	1200 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1190.2	1188.4	1202.2	1200
Analysis
Rating	1190.2	1188.4	1202.1	1200
Raw rating	1190.2	1188.4	1202	1200
Weighted rating	1188.9	1186.6	1202.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	706.4	700
Max/Min rating change allowed	168.2	168.6	165.3	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	1190.2	1188.4	1202	1200
New weighted rating	1188.8	1186.5	1202.2	1200
New weighted performance	0	0	0	0
Temp new rating	1190.2	1188.4	1202.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1190.2	1188.4	1202.2	1200
New K-factor	36	36	36	36
New floor	700	700	706.4	700

Item	Main	Standard	Rapid
	0	0	0
	6	0	6
	8	2	6
	0	0	0
	0	0	0
	0	0	0
History	14	2	12

Games since
	Main 14	Standard 2		Rapid 12		Blitz 0
Gender	Female
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-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	6	2	33.33	-141.7	1207.6	1065.9
Standard	0	0	0	0	0	0
Rapid	6	2	33.33	-141.7	1207.6	1065.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	5	35.71	-121.4	1206.9	1085.5
Standard	2	0	0	-425	1232	807
Rapid	12	5	41.67	-70.8	1202.8	1131.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1190.2	1188.4	1202	1200
2025-09-01	1190.2	1188.4	1202	1200
2025-08-01	1190.2	1188.4	1202	1200
2025-07-01	1190.2	1188.4	1202	1200
2025-06-01	1190.2	1188.4	1201.9	1200
2025-05-01	1190.2	1188.4	1201.9	1200
2025-04-01	1190.2	1188.4	1201.6	1200
2025-03-01	1189.1	1188.4	1199.1	1200
2025-02-01	1189.7	1187.1	1206.4	1200
2025-01-01	1172.8	1164.8	1206.4	1200
2024-12-01	1172.8	1164.8	1206.4	1200
2024-11-01	1172.8	1164.8	1206.4	1200
2024-10-01	1168	1164.8	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	Laerskool Welgemoed Rapid 2025 (Parent)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Laerskool Welgemoed Rapid 2025 (Parent)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
2	Laerskool Welgemoed Rapid 2024 (Parents)	2024-10-19	2024-10-19	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
3	CT League 2024 (D)	2024-08-03	2024-08-03	Standard	Cape Town (WCT)	6	2	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 2	type Rapid	result 1	date 2025-02-15	rnd 3	type Rapid	result 1
		Opponent Akemdien, M (Mogamat)				Opponent Erasmus, J (Johannes)
2	1	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2024-10-19	rnd 6	type Rapid	result 1
		Opponent Du Plessis, B (Bennie)				Opponent Du Plessis, B (Bennie)
3	1	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 4	type Rapid	result 1	date 2024-10-19	rnd 4	type Rapid	result 1
		Opponent Johnson, B (Brian David Sidney)				Opponent Johnson, B (Brian David Sidney)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 2	type Rapid	result 1	date 2025-02-15	rnd 3	type Rapid	result 1
		Opponent Akemdien, M (Mogamat)				Opponent Erasmus, J (Johannes)
2	1	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2024-10-19	rnd 6	type Rapid	result 1
		Opponent Du Plessis, B (Bennie)				Opponent Du Plessis, B (Bennie)
3	1	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 4	type Rapid	result 1	date 2024-10-19	rnd 4	type Rapid	result 1
		Opponent Johnson, B (Brian David Sidney)				Opponent Johnson, B (Brian David Sidney)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 2	type Rapid	result 1	date 2025-02-15	rnd 3	type Rapid	result 1
		Opponent Akemdien, M (Mogamat)				Opponent Erasmus, J (Johannes)
2	1	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2024-10-19	rnd 6	type Rapid	result 1
		Opponent Du Plessis, B (Bennie)				Opponent Du Plessis, B (Bennie)
3	1	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 4	type Rapid	result 1	date 2024-10-19	rnd 4	type Rapid	result 1
		Opponent Johnson, B (Brian David Sidney)				Opponent Johnson, B (Brian David Sidney)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 2	type Rapid	result 1	date 2025-02-15	rnd 3	type Rapid	result 1
		Opponent Akemdien, M (Mogamat)				Opponent Erasmus, J (Johannes)
2	1	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2024-10-19	rnd 6	type Rapid	result 1
		Opponent Du Plessis, B (Bennie)				Opponent Du Plessis, B (Bennie)
3	1	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 4	type Rapid	result 1	date 2024-10-19	rnd 4	type Rapid	result 1
		Opponent Johnson, B (Brian David Sidney)				Opponent Johnson, B (Brian David Sidney)

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	Bolton ,NA (Naomi)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Bolton ,NA (Naomi)	1	1264	839	1	1302	839	0	0	0	0	0	0
2	Firfirey ,I (Imtiyaaz)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Firfirey ,I (Imtiyaaz)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Goncalves Alho ,R (Ricardo)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Goncalves Alho ,R (Ricardo)	1	1217.6	792.6	0	0	0	1	1200	792.6	0	0	0
4	Fitzgerald ,P (Patrick)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Fitzgerald ,P (Patrick)	1	1175.3	750.3	0	0	0	1	1132.4	750.3	0	0	0
5	Du Plessis ,T (Tjaard)	1	1	425	0	0	0	1	1	425	0	0	0
5	Du Plessis ,T (Tjaard)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
6	Johnson ,B (Brian David Sidney)	1	1	425	0	0	0	1	1	425	0	0	0
6	Johnson ,B (Brian David Sidney)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Wiggill ,R (Riaan)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Wiggill ,R (Riaan)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Akemdien ,M (Mogamat)	1	1	425	0	0	0	1	1	425	0	0	0
8	Akemdien ,M (Mogamat)	1	1198	1623	0	0	0	1	1192	1623	0	0	0
9	Erasmus ,J (Johannes)	1	1	425	0	0	0	1	1	425	0	0	0
9	Erasmus ,J (Johannes)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Du Plessis ,B (Bennie)	1	1	425	0	0	0	1	1	425	0	0	0
10	Du Plessis ,B (Bennie)	1	1157.6	1582.6	0	0	0	1	1300	1582.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Johnson, K (Kirstie)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms