Chess South Africa Ratings Database

PLAYER PAGE

Personal

Johnson, A (Amy)

Chess SA id

2120108533

FIDE id

Date of birth

2012-11-29 (U14)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-09-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1388.7	1389.9	1271.8	1058.4
Raw rating	1388.7	1389.9	1271.8	1058.4
Weighted rating	1387.8	1389	1271.8	1058.4
Weighted performance	877.3	875.9	833.8	0
Floor	952.4	958.2	771.8	700
K-factor	32	32	36	36
Min/Max rating change allowed	126.7	126.5	149.7	202.9
Highest rating	1467.6 2023-04-01	1473.5 2023-04-01	1271.8 2024-03-01	1200 2018-10-01
Highest raw rating	1452.4 2023-05-01	1458.2 2023-05-01	1271.8 2024-03-01	1200 2019-12-01
Highest weighted rating	1452.4 2025-02-01	1458.2 2025-02-01	1271.8 2025-06-01	1200 2018-10-01
Highest weighted performance	1467.6 2023-04-01	1473.5 2023-04-01	1244.6 2022-11-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1388.7	1389.9	1271.8	1058.4
Analysis
Rating	1388.7	1389.9	1271.8	1058.4
Raw rating	1388.7	1389.9	1271.8	1058.4
Weighted rating	1387.8	1389	1271.8
Weighted performance	877.3	875.9	833.8
K-factor	32	32	36	36
Floor	952.4	958.2	771.8	700
Max/Min rating change allowed	126.7	126.5	149.7	202.9
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	1388.7	1389.9	1271.8	1058.4
New weighted rating	1387.9	1389.1	1271.8	1058.4
New weighted performance	870.2	868.8	826.3	0
Temp new rating	1388.7	1389.9	1271.8	1058.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1388.7	1389.9	1271.8	1058.4
New K-factor	32	32	36	36
New floor	952.4	958.2	771.8	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	62	56	6	0
	80	48	26	6
	10	0	10	0
History	253	190	57	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	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	253	132	52.17	18.5	1227.5	1246
Standard	190	98	51.58	13.4	1225.4	1238.8
Rapid	57	33	57.89	67.1	1225.9	1293
Blitz	6	1	16.67	-283.3	1308.2	1024.9

Date	Main	Standard	Rapid	Blitz
2025-11-01	1388.7	1389.9	1271.8	1058.4
2025-09-30	1388.7	1389.9	1271.8	1058.4
2025-09-01	1388.7	1389.9	1271.8	1058.4
2025-08-01	1388.7	1389.9	1271.8	1058.4
2025-07-01	1388.7	1389.9	1271.8	1058.4
2025-06-01	1388.7	1389.9	1271.8	1058.4
2025-05-01	1388.7	1389.9	1271.8	1058.4
2025-04-01	1388.7	1389.9	1271.8	1058.4
2025-03-01	1388.7	1389.9	1271.8	1058.4
2025-02-01	1388.7	1389.9	1271.8	1058.4
2025-01-01	1386.1	1387.2	1271.8	1058.4
2024-12-01	1386.1	1387.2	1271.8	1058.4
2024-11-01	1386.1	1387.2	1271.8	1058.4
2024-10-01	1386.1	1387.2	1271.8	1058.4
2024-09-01	1386.1	1387.2	1271.8	1058.4
2024-08-01	1386.1	1387.2	1271.8	1058.4
2024-07-01	1386.1	1387.2	1271.8	1058.4
2024-09-01	1386.1	1387.2	1271.8	1058.4
2024-05-01	1386.1	1387.2	1271.8	1058.4
2024-04-01	1386.1	1387.2	1271.8	1058.4
2024-03-01	1386.1	1387.2	1271.8	1058.4
2024-02-01	1386.1	1387.2	1271.8	1058.4
2024-01-01	1386.1	1387.2	1271.8	1058.4
2023-12-01	1386.1	1387.2	1271.8	1058.4

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	Western Cape Top Schools 2023 (U11 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
2	Eden Top Schools 2023 (U11 Girls)	2023-08-19	2023-08-19	Standard	Eden (WEG)	6	4	4	Yes	Analysis
3	CW Top Schools 2023 (Advanced)	2023-08-11	2023-08-13	Standard	West Coast (WCU)	6	5	0	Yes	Analysis
4	Knysna Oyster Festival 2023 (Juniors)	2023-07-01	2023-07-01	Rapid	Eden (WEG)	6	6	3.5	Yes	Analysis
5	Western Cape PS Individuals 2023 (U11 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
6	Eden Trials 2+3 2023 (U12)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	10	6.5	Yes	Analysis
7	George Chess Club Winter Open 2023 (C)	2023-05-20	2023-05-20	Standard	Eden (WEG)	5	5	2	Yes	Analysis
8	Heidelberg Big Pumpkin Chess Tournament 2023 (C)	2023-04-01	2023-04-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
9	Eden Trails 1 2023 (U11 Girls)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	4	Yes	Analysis
10	Hessequa Proewe 2 2023 (O11 Dogters)	2023-02-11	2023-02-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
11	Hessequa Proewe 1 2023 (O11 Dogters)	2023-01-28	2023-01-28	Standard	Eden (WEG)	5	5	3	Yes	Analysis
12	George Open 2022 (C)	2022-12-03	2022-12-03	Standard	Eden (WEG)	5	5	2	Yes	Analysis
13	VGK 2022 (Rapid Development)	2022-11-12	2022-11-12	Rapid	Eden (WEG)	6	6	5	Yes	Analysis
14	VGK 2022 (Blitz)	2022-11-12	2022-11-12	Blitz	Eden (WEG)	6	6	1	Yes	Analysis
15	Hessequa Ontwikkeling 2022 (Laerskole)	2022-10-22	2022-10-22	Rapid	Eden (WEG)	5	5	4	Yes	Analysis
16	Pacaltsdorp Chess Club 2022 (Development)	2022-08-27	2022-08-27	Rapid	Eden (WEG)	6	6	3	Yes	Analysis
17	Eden Topskole 2022 (O11 Dogters)	2022-08-13	2022-08-13	Standard	Eden (WEG)	6	6	5	Yes	Analysis
18	South African Open 2022 (B)	2022-07-09	2022-07-17	Standard	Cape Town (WCT)	11	10	2.5	Yes	Analysis
19	South African Open 2022 (U12)	2022-07-11	2022-07-13	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
20	Knysna Oyster Festival Rapid Chess 2022 (B)	2022-07-02	2022-07-02	Rapid	Eden (WEG)	5	5	2	Yes	Analysis
21	OCF Youth Day Tournament 2022 (B)	2022-06-18	2022-06-18	Rapid	Overberg (WOS)	5	4	2	Yes	Analysis
22	Western Cape Schools 2022 (U11 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
23	Eden Proewe 2 2022 (O11 Dogters)	2022-04-09	2022-04-09	Standard	Eden (WEG)	5	5	4	Yes	Analysis
24	Eden Proewe 1 2022 (O11 Dogters)	2022-03-12	2022-03-12	Standard	Eden (WEG)	5	5	4	Yes	Analysis
25	Hessequa Proewe 1 2022 (O11 Dogters)	2022-01-29	2022-01-29	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
26	Western Cape Schools 2021 (U9 Girls)	2021-10-23	2021-10-23	Rapid	Overberg (WOS)	5	5	3.5	Yes	Analysis
27	Eden Proewe 2021 (O9 Dogters)	2021-10-15	2021-10-15	Rapid	Eden (WEG)	5	5	4	Yes	Analysis
28	Eden Schools Closed Trials 1 2020 (U9 Girls)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
29	Hessequa Skaak Proewe 2 2020 (O9 Dogters)	2020-02-22	2020-02-22	Standard	Eden (WEG)	5	5	5	Yes	Analysis
30	Hessequa Skaak Proewe 1 2020 (O9 Dogters)	2020-02-01	2020-02-01	Standard	Eden (WEG)	5	4	3	Yes	Analysis
31	2019 South African Junior Team Championships (U8B+U8Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	2	Yes	Analysis
32	George Open Chess Tournament 2019 (D)	2019-11-30	2019-11-30	Standard	Eden (WEG)	5	5	3	Yes	Analysis
33	Hessequa Ontwikkelings Toernooi 2019 (B)	2019-11-01	2019-11-01	Standard	Eden (WEG)	6	6	3	Yes	Analysis
34	Mossel Bay Chess Open 2019 (C)	2019-10-05	2019-10-05	Rapid	Eden (WEG)	6	6	3	Yes	Analysis
35	George Suid Junior Skaaktoernooi 2019	2019-10-19	2019-10-19	Rapid	Eden (WEG)	5	5	3	Yes	Analysis
36	Western Cape Schools Kings & Queens 2019 (Girls)	2019-10-12	2019-10-12	Rapid	West Coast (WCU)	5	4	0	Yes	Analysis
37	Spring Open 2019 (U10)	2019-09-14	2019-09-14	Standard	Overberg (WOS)	5	5	0	Yes	Analysis
38	Western Cape Womans Month Tournament 2019 (C)	2019-08-09	2019-08-11	Standard	West Coast (WCU)	7	6	2	Yes	Analysis
39	Eden Top Schools 2019 (U9)	2019-07-20	2019-07-20	Standard	Eden (WEG)	5	4	1	Yes	Analysis
40	South African Schools Individuals Chess Championships 2019 (U7+U9 Girls)	2019-06-18	2019-06-21	Standard	Frances Baard (NCF)	7	6	0	Yes	Analysis
41	Eden Trials 3 2019 (U8)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	4	1	Yes	Analysis
42	Western Cape Schools Individuals 2019 (U7 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	7	7	5	Yes	Analysis
43	Eden Trials 2 2019 (U8)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	4	1.5	Yes	Analysis
44	Eden Trials 1 2019 (U8)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	5	2	Yes	Analysis
45	Hessequa Proewe 3 2019 (O10)	2019-02-23	2019-02-23	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
46	Hessequa Proewe 2 2019 (O10)	2019-02-16	2019-02-16	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
47	Hessequa Proewe 1 2019 (O10)	2019-01-26	2019-01-26	Standard	Eden (WEG)	5	4	1	Yes	Analysis

#	Games	Start				End
1	11	Tournament Hessequa Skaak Proewe 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-03-07	rnd 4	type Standard	result 1
		Opponent Basson, K (Karliayah)				Opponent Badenhorst, A (Anina)
2	9	Tournament Heidelberg Big Pumpkin Chess Tournament 2023				Tournament Western Cape PS Individuals 2023
		date 2023-04-01	rnd 3	type Standard	result 1	date 2023-05-05	rnd 1	type Standard	result 1
		Opponent Geldenhuys, E (Eugenay)				Opponent Glaser, M (Maya)
3	6	Tournament Eden Proewe 2021				Tournament Western Cape Schools 2021
		date 2021-10-15	rnd 4	type Rapid	result 1	date 2021-10-23	rnd 4	type Rapid	result 1
		Opponent Blignaut, DC (Dane Chelsea)				Opponent September, C (Chameeka)

#	Games	Start				End
1	11	Tournament Hessequa Skaak Proewe 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-03-07	rnd 4	type Standard	result 1
		Opponent Basson, K (Karliayah)				Opponent Badenhorst, A (Anina)
2	9	Tournament Heidelberg Big Pumpkin Chess Tournament 2023				Tournament Western Cape PS Individuals 2023
		date 2023-04-01	rnd 3	type Standard	result 1	date 2023-05-05	rnd 1	type Standard	result 1
		Opponent Geldenhuys, E (Eugenay)				Opponent Glaser, M (Maya)
3	5	Tournament Eden Trials 3 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-11	rnd 4	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Saayman, L (Leshme)				Opponent Ntontelo, K (Khazimla)

#	Games	Start				End
1	8	Tournament Hessequa Ontwikkeling 2022				Tournament VGK 2022
		date 2022-10-22	rnd 1	type Rapid	result 1	date 2022-11-12	rnd 3	type Rapid	result 1
		Opponent Grassini, S (Savannah)				Opponent Da Silva, D (Darren)
2	6	Tournament Eden Proewe 2021				Tournament Western Cape Schools 2021
		date 2021-10-15	rnd 4	type Rapid	result 1	date 2021-10-23	rnd 4	type Rapid	result 1
		Opponent Blignaut, DC (Dane Chelsea)				Opponent September, C (Chameeka)
3	4	Tournament VGK 2022				Tournament Knysna Oyster Festival 2023
		date 2022-11-12	rnd 5	type Rapid	result 1	date 2023-07-01	rnd 2	type Rapid	result 1
		Opponent Fakier, A (Abdur-Rahmaan)				Opponent Hendricks, J (Jamie)

#	Games	Start				End
1	1	Tournament VGK 2022				Tournament VGK 2022
		date 2022-11-12	rnd 4	type Blitz	result 1	date 2022-11-12	rnd 4	type Blitz	result 1
		Opponent Fakier, A (Abdur-Rahmaan)				Opponent Fakier, A (Abdur-Rahmaan)

#	Games	Start				End
1	9	Tournament Hessequa Skaak Proewe 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-03-07	rnd 2	type Standard	result 1
		Opponent Basson, K (Karliayah)				Opponent Cromhout, B (Bianca)
2	6	Tournament Heidelberg Big Pumpkin Chess Tournament 2023				Tournament Eden Trials 2+3 2023
		date 2023-04-01	rnd 3	type Standard	result 1	date 2023-04-15	rnd 3	type Standard	result 1
		Opponent Geldenhuys, E (Eugenay)				Opponent Fredericks, R (Reuel)
3	5	Tournament Eden Trials 3 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-11	rnd 4	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Saayman, L (Leshme)				Opponent Ntontelo, K (Khazimla)

#	Games	Start				End
1	9	Tournament Hessequa Skaak Proewe 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-03-07	rnd 2	type Standard	result 1
		Opponent Basson, K (Karliayah)				Opponent Cromhout, B (Bianca)
2	6	Tournament Heidelberg Big Pumpkin Chess Tournament 2023				Tournament Eden Trials 2+3 2023
		date 2023-04-01	rnd 3	type Standard	result 1	date 2023-04-15	rnd 3	type Standard	result 1
		Opponent Geldenhuys, E (Eugenay)				Opponent Fredericks, R (Reuel)
3	5	Tournament Eden Trials 3 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-11	rnd 4	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Saayman, L (Leshme)				Opponent Ntontelo, K (Khazimla)

#	Games	Start				End
1	4	Tournament VGK 2022				Tournament Knysna Oyster Festival 2023
		date 2022-11-12	rnd 5	type Rapid	result 1	date 2023-07-01	rnd 2	type Rapid	result 1
		Opponent Fakier, A (Abdur-Rahmaan)				Opponent Hendricks, J (Jamie)
2	4	Tournament Eden Proewe 2021				Tournament Western Cape Schools 2021
		date 2021-10-15	rnd 4	type Rapid	result 1	date 2021-10-23	rnd 2	type Rapid	result 1
		Opponent Blignaut, DC (Dane Chelsea)				Opponent Coetzee, C (Carli)
3	4	Tournament George Suid Junior Skaaktoernooi 2019				Tournament Eden Proewe 2021
		date 2019-10-19	rnd 4	type Rapid	result 1	date 2021-10-15	rnd 2	type Rapid	result 1
		Opponent Johnson, L (Lily)				Opponent Cornforth, K (Kayleigh)

#	Games	Start				End
1	1	Tournament VGK 2022				Tournament VGK 2022
		date 2022-11-12	rnd 4	type Blitz	result 1	date 2022-11-12	rnd 4	type Blitz	result 1
		Opponent Fakier, A (Abdur-Rahmaan)				Opponent Fakier, A (Abdur-Rahmaan)

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	Moses ,J (Jay-Leigh)	9	3	-141.7	7	3	-60.7	2	0	-425	0	0	0
1	Moses ,J (Jay-Leigh)	9	1249.6	1107.9	7	1247.9	1188.9	2	1214.4	824.6	0	0	0
2	Roberts ,I (Iwan)	7	1.5	-242.9	5	0.5	-340	2	1	0	0	0	0
2	Roberts ,I (Iwan)	7	1327.2	1084.3	5	1315.3	987.2	2	1312.8	1327.2	0	0	0
3	Petersen ,B (Brionay)	7	3	-60.7	5	2	-85	1	1	425	1	0	-425
3	Petersen ,B (Brionay)	7	1277.2	1216.4	5	1283.9	1192.2	1	1200	1702.2	1	1200	852.2
4	Saayman ,L (Leshme)	6	6	425	6	6	425	0	0	0	0	0	0
4	Saayman ,L (Leshme)	6	1106.4	1531.4	6	1089	1531.4	0	0	0	0	0	0
5	Cornforth ,K (Kayleigh)	5	1	-255	3	0	-425	2	1	0	0	0	0
5	Cornforth ,K (Kayleigh)	5	1493.5	1238.5	3	1477.9	1068.5	2	1047.2	1493.5	0	0	0
6	Saayman ,V (Veronique)	4	3	212.5	3	2	141.7	1	1	425	0	0	0
6	Saayman ,V (Veronique)	4	1242.3	1454.8	3	1255.2	1383.9	1	1162.4	1667.3	0	0	0
7	Lukas ,J (Janeva)	4	1	-212.5	2	1	0	2	0	-425	0	0	0
7	Lukas ,J (Janeva)	4	1129.4	916.9	2	1122.8	1129.4	2	1241.3	704.4	0	0	0
8	Daniels ,C (Chelsea)	3	3	425	3	3	425	0	0	0	0	0	0
8	Daniels ,C (Chelsea)	3	1161.1	1586.1	3	1153.3	1586.1	0	0	0	0	0	0
9	Heunis ,F (Fourie)	3	0	-425	3	0	-425	0	0	0	0	0	0
9	Heunis ,F (Fourie)	3	1236.5	811.5	3	1234.5	811.5	0	0	0	0	0	0
10	Meyer ,A (Albert)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
10	Meyer ,A (Albert)	3	1116.1	832.8	3	1103.3	832.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Johnson, A (Amy)

Ratings

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Last 24 raw ratings

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Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms