Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Abreu, A (Alexia Sally)

Chess SA id

204077255

FIDE id

Date of birth

2004-09-01 (Adult)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-12-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1274.9	1245.6	941.6	521.2
Raw rating	1274.9	1245.6	941.6	521.2
Weighted rating	1274.9	1245.5	939.4	521.2
Weighted performance	855	665	0	0
Floor	774.9	745.6	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	149	155.4	239.6	436.1
Highest rating	1274.9 2024-02-01	1249.6 2019-10-01	1200 2019-12-01	1200 2024-02-01
Highest raw rating	1274.9 2024-02-01	1245.6 2024-02-01	941.6 2024-02-01	521.2 2024-02-01
Highest weighted rating	1274.7 2025-08-01	1245.2 2025-08-01	941.6 2024-11-01	521.2 2024-11-01
Highest weighted performance	1251.2 2019-10-01	1249.6 2019-10-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1274.9	1245.6	941.6	521.2
Analysis
Rating	1274.9	1245.6	941.6	521.2
Raw rating	1274.9	1245.6	941.6	521.2
Weighted rating	1274.9	1245.5	939.4
Weighted performance	855	665	0
K-factor	36	36	40	40
Floor	774.9	745.6	500	500
Max/Min rating change allowed	149	155.4	239.6	436.1
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	1274.9	1245.6	941.6	521.2
New weighted rating	1274.9	1245.6	940.8	521.2
New weighted performance	854.6	664.6	0	0
Temp new rating	1274.9	1245.6	941.6	521.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1274.9	1245.6	941.6	521.2
New K-factor	36	36	40	40
New floor	774.9	745.6	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	14	9	5
	5	5	0
	5	0	5
History	116	106	10

Games since
	Main 9	Standard 9		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	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	82	43.5	53.05	25.9	1197.3	1223.3
Standard	72	38	52.78	23.6	1176	1199.6
Rapid	10	5.5	55	42.5	1351.1	1393.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1274.9	1245.6	941.6	521.2
2025-09-01	1274.9	1245.6	941.6	521.2
2025-08-01	1274.9	1245.6	941.6	521.2
2025-07-01	1274.9	1245.6	941.6	521.2
2025-06-01	1274.9	1245.6	941.6	521.2
2025-05-01	1274.9	1245.6	941.6	521.2
2025-04-01	1274.9	1245.6	941.6	521.2
2025-03-01	1274.9	1245.6	941.6	521.2
2025-02-01	1274.9	1245.6	941.6	521.2
2025-01-01	1274.9	1245.6	941.6	521.2
2024-12-01	1274.9	1245.6	941.6	521.2
2024-11-01	1274.9	1245.6	941.6	521.2
2024-10-01	1274.9	1245.6	941.6	521.2
2024-09-01	1274.9	1245.6	941.6	521.2
2024-08-01	1274.9	1245.6	941.6	521.2
2024-07-01	1274.9	1245.6	941.6	521.2
2024-06-01	1274.9	1245.6	941.6	521.2
2024-08-01	1274.9	1245.6	941.6	521.2
2024-04-01	1274.9	1245.6	941.6	521.2
2024-03-01	1274.9	1245.6	941.6	521.2
2024-02-01	1274.9	1245.6	941.6	521.2
2024-01-01	1274.9	1245.6	941.6	521.2
2023-12-01	1274.9	1245.6	723.6	521.2
2023-11-01	1266.3	1225.4	723.6	521.2

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	2023 USSA Championships (Ladies)	2023-12-04	2023-12-08	Standard	Ethekwini (KED)	9	9	6	Yes	Analysis
2	Wits University 100 Chess Tournament 2023	2023-09-30	2023-09-30	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	2022 Gauteng Interregion (U18 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	JMC Helpmekaar 2021 (U18)	2021-09-06	2021-09-06	Rapid	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
5	JNW Club - Trinityhouse Little Falls Open 2020 (C)	2020-03-14	2020-03-14	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
6	JNW Club - Bryanston Open1 2020 (C)	2020-02-01	2020-02-01	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
7	2019 South African Junior Team Championships (U16D)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
8	JNW Chess Club - Muldersdrif 2019 (B)	2019-10-18	2019-10-18	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
9	JNW Club - Helpmekaar Kollege Open 2019 (D)	2019-07-06	2019-07-06	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
10	JHB Metro Closed 2019 (U16)	2019-07-27	2019-07-28	Standard	Johannesburg Metro (GJM)	6	6	2	Yes	Analysis
11	JNW Club - Hoerskool Linden 2019 (D)	2019-06-15	2019-06-15	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
12	Ekurhuleni Trials (3)	2019-06-08	2019-06-08	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
13	JNW Club - Bryanston Open 2 2019 (D)	2019-05-11	2019-05-11	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
14	Chessnuts Under 1200 27 April 2019 (Knights)	2019-04-27	2019-04-27	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
15	Ekurhuleni Trials 2 2019 (U16)	2019-04-27	2019-04-27	Standard	Ekurhuleni (GE)	5	0	0	No	Analysis
16	Outpost 2nd Open 2018 (C)	2018-08-25	2018-08-25	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament JNW Club - Hoerskool Linden 2019				Tournament JNW Club - Helpmekaar Kollege Open 2019
		date 2019-06-15	rnd 2	type Standard	result 1	date 2019-07-06	rnd 3	type Standard	result 1
		Opponent Esterhuizen, JL (Janco)				Opponent Johnson, A (Ashar)
2	5	Tournament 2023 USSA Championships				Tournament 2023 USSA Championships
		date 2023-12-06	rnd 5	type Standard	result 1	date 2023-12-08	rnd 9	type Standard	result 0.5
		Opponent Mangwane, N (Neo)				Opponent Emanuel, P (Prithee)
3	4	Tournament JNW Chess Club - Muldersdrif 2019				Tournament JNW Chess Club - Muldersdrif 2019
		date 2019-10-18	rnd 2	type Standard	result 1	date 2019-10-18	rnd 5	type Standard	result 1
		Opponent Janssen, A (Alec)				Opponent Chen, Y (Youlin)

#	Games	Start				End
1	7	Tournament JNW Club - Hoerskool Linden 2019				Tournament JNW Club - Helpmekaar Kollege Open 2019
		date 2019-06-15	rnd 2	type Standard	result 1	date 2019-07-06	rnd 3	type Standard	result 1
		Opponent Esterhuizen, JL (Janco)				Opponent Johnson, A (Ashar)
2	5	Tournament 2023 USSA Championships				Tournament 2023 USSA Championships
		date 2023-12-06	rnd 5	type Standard	result 1	date 2023-12-08	rnd 9	type Standard	result 0.5
		Opponent Mangwane, N (Neo)				Opponent Emanuel, P (Prithee)
3	4	Tournament JNW Chess Club - Muldersdrif 2019				Tournament JNW Chess Club - Muldersdrif 2019
		date 2019-10-18	rnd 2	type Standard	result 1	date 2019-10-18	rnd 5	type Standard	result 1
		Opponent Janssen, A (Alec)				Opponent Chen, Y (Youlin)

#	Games	Start				End
1	2	Tournament Wits University 100 Chess Tournament 2023				Tournament Wits University 100 Chess Tournament 2023
		date 2023-09-30	rnd 1	type Rapid	result 1	date 2023-09-30	rnd 2	type Rapid	result 1
		Opponent Mudzengerere, M (Makaita)				Opponent Tiro, N (Naledi)
2	2	Tournament JMC Helpmekaar 2021				Tournament JMC Helpmekaar 2021
		date 2021-09-06	rnd 3	type Rapid	result 1	date 2021-09-06	rnd 4	type Rapid	result 0.5
		Opponent Shubham, K (Kale)				Opponent Mazibuko, T (Themba)
3	1	Tournament Wits University 100 Chess Tournament 2023				Tournament Wits University 100 Chess Tournament 2023
		date 2023-09-30	rnd 4	type Rapid	result 1	date 2023-09-30	rnd 4	type Rapid	result 1
		Opponent Singh, P (Pragna)				Opponent Singh, P (Pragna)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament JNW Club - Hoerskool Linden 2019				Tournament JNW Club - Helpmekaar Kollege Open 2019
		date 2019-06-15	rnd 4	type Standard	result 1	date 2019-07-06	rnd 3	type Standard	result 1
		Opponent Botha, M (Marcus)				Opponent Johnson, A (Ashar)
2	4	Tournament JNW Chess Club - Muldersdrif 2019				Tournament JNW Chess Club - Muldersdrif 2019
		date 2019-10-18	rnd 2	type Standard	result 1	date 2019-10-18	rnd 5	type Standard	result 1
		Opponent Janssen, A (Alec)				Opponent Chen, Y (Youlin)
3	3	Tournament 2022 Gauteng Interregion				Tournament Wits University 100 Chess Tournament 2023
		date 2022-02-26	rnd 5	type Standard	result 1	date 2023-09-30	rnd 2	type Rapid	result 1
		Opponent Pienaar, S (Schalk)				Opponent Tiro, N (Naledi)

#	Games	Start				End
1	5	Tournament JNW Club - Hoerskool Linden 2019				Tournament JNW Club - Helpmekaar Kollege Open 2019
		date 2019-06-15	rnd 4	type Standard	result 1	date 2019-07-06	rnd 3	type Standard	result 1
		Opponent Botha, M (Marcus)				Opponent Johnson, A (Ashar)
2	4	Tournament JNW Chess Club - Muldersdrif 2019				Tournament JNW Chess Club - Muldersdrif 2019
		date 2019-10-18	rnd 2	type Standard	result 1	date 2019-10-18	rnd 5	type Standard	result 1
		Opponent Janssen, A (Alec)				Opponent Chen, Y (Youlin)
3	3	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-06	rnd 5	type Standard	result 1	date 2020-01-08	rnd 7	type Standard	result 1
		Opponent Serunye, K (Kutlwano)				Opponent Diemieniet, P (Phoebe)

#	Games	Start				End
1	2	Tournament Wits University 100 Chess Tournament 2023				Tournament Wits University 100 Chess Tournament 2023
		date 2023-09-30	rnd 1	type Rapid	result 1	date 2023-09-30	rnd 2	type Rapid	result 1
		Opponent Mudzengerere, M (Makaita)				Opponent Tiro, N (Naledi)
2	1	Tournament Wits University 100 Chess Tournament 2023				Tournament Wits University 100 Chess Tournament 2023
		date 2023-09-30	rnd 4	type Rapid	result 1	date 2023-09-30	rnd 4	type Rapid	result 1
		Opponent Singh, P (Pragna)				Opponent Singh, P (Pragna)
3	1	Tournament JMC Helpmekaar 2021				Tournament JMC Helpmekaar 2021
		date 2021-09-06	rnd 3	type Rapid	result 1	date 2021-09-06	rnd 3	type Rapid	result 1
		Opponent Shubham, K (Kale)				Opponent Shubham, K (Kale)

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	Botha ,M (Marcus)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Botha ,M (Marcus)	3	1052.6	1194.3	3	1046.2	1194.3	0	0	0	0	0	0
2	Mazibuko ,T (Themba)	3	1.5	0	2	1	0	1	0.5	0	0	0	0
2	Mazibuko ,T (Themba)	3	1231.5	1231.5	2	1217.5	1231.5	1	892.8	1231.5	0	0	0
3	Poongavanum ,K (Kalyan)	2	1	0	2	1	0	0	0	0	0	0	0
3	Poongavanum ,K (Kalyan)	2	1180.1	1180.1	2	1172.1	1180.1	0	0	0	0	0	0
4	Goldstuck ,Z (Zianda Chelsea)	1	1	425	1	1	425	0	0	0	0	0	0
4	Goldstuck ,Z (Zianda Chelsea)	1	794.8	1219.8	1	792.8	1219.8	0	0	0	0	0	0
5	Janssen ,A (Alec)	1	1	425	1	1	425	0	0	0	0	0	0
5	Janssen ,A (Alec)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Mungunda ,U (Unotjari)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mungunda ,U (Unotjari)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Diemieniet ,P (Phoebe)	1	1	425	1	1	425	0	0	0	0	0	0
7	Diemieniet ,P (Phoebe)	1	1049.3	1474.3	1	1054.4	1474.3	0	0	0	0	0	0
8	Mungal ,E (Ethan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Mungal ,E (Ethan)	1	1148.9	1148.9	1	1203.8	1148.9	0	0	0	0	0	0
9	Pienaar ,S (Schalk)	1	1	425	1	1	425	0	0	0	0	0	0
9	Pienaar ,S (Schalk)	1	1283.3	1708.3	1	1280.5	1708.3	0	0	0	0	0	0
10	Van Jaarsveld ,A (Anje)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Jaarsveld ,A (Anje)	1	1572.1	1147.1	1	1564.2	1147.1	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

De Abreu, A (Alexia Sally)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms