Chess South Africa Ratings Database

PLAYER PAGE

Personal

Diamond, L (Lisakhanya)

Chess SA id

1040152633

FIDE id

Date of birth

2004-10-22 (Adult)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1321.8	1293.7	1307.6	1200
Raw rating	1321.8	1293.7	1307.6	1200
Weighted rating	1274.1	1243.6	1302.6	1200
Weighted performance	1236.2	1207.4	0	0
Floor	821.8	793.7	807.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	139.4	145.1	142.3	165.8
Highest rating	1321.8 2025-05-05	1293.7 2025-05-05	1382.2 2023-09-01	1200 2018-10-01
Highest raw rating	1321.8 2025-05-05	1293.7 2025-05-05	1307.6 2025-02-01	1200 2024-03-01
Highest weighted rating	1321.8 2024-06-01	1224.6 2025-08-01	1300.4 2025-08-01	1200 2018-10-01
Highest weighted performance	1321.1 2025-05-05	1288.3 2019-12-01	1382.2 2023-09-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1321.8	1293.7	1307.6	1200
Analysis
Rating	1321.8	1293.7	1307.6	1200
Raw rating	1321.8	1293.7	1307.6	1200
Weighted rating	1274.1	1243.6	1302.6
Weighted performance	1236.2	1207.4	0
K-factor	36	36	36	36
Floor	821.8	793.7	807.6	700
Max/Min rating change allowed	139.4	145.1	142.3	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	1321.8	1293.7	1307.6	1200
New weighted rating	1279.5	1249.3	1303.3	1200
New weighted performance	1228.4	1199.8	0	0
Temp new rating	1321.8	1293.7	1307.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1321.8	1293.7	1307.6	1200
New K-factor	36	36	36	36
New floor	821.8	793.7	807.6	700

Item	Main	Standard	Rapid
	0	0	0
	27	22	5
	14	14	0
	18	0	18
	0	0	0
	0	0	0
History	59	36	23

Games since
	Main 41	Standard 36		Rapid 5		Blitz 0
Gender	Male
Age group	Adult
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	3058		377		93
Male	2403		310		75
Adult	586		55		13
Adult Male	535		52		13
Standard
	RSA		Province		Region
Overall	3240		421		105
Male	2535		343		85
Adult	555		58		11
Adult Male	506		54		11
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	27	13.5	50	0	1342.4	1342.4
Standard	22	11.5	52.27	19.3	1311.6	1330.9
Rapid	5	2	40	-85	1478.2	1393.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	59	30.5	51.69	14.4	1282.1	1296.5
Standard	36	17	47.22	-23.6	1292.9	1269.3
Rapid	23	13.5	58.7	73.9	1265.2	1339.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1321.8	1293.7	1307.6	1200
2025-09-30	1321.8	1293.7	1307.6	1200
2025-09-01	1321.8	1293.7	1307.6	1200
2025-08-01	1321.8	1293.7	1307.6	1200
2025-07-01	1321.8	1293.7	1307.6	1200
2025-06-01	1321.8	1293.7	1307.6	1200
2025-05-01	1321.8	1293.7	1307.6	1200
2025-04-01	1321.1	1292	1307.6	1200
2025-03-01	1219.5	1186.3	1307.6	1200
2025-02-01	1231.4	1186.7	1307.6	1200
2025-01-01	1208.6	1178.7	1293.4	1200
2024-12-01	1208.6	1178.7	1293.4	1200
2024-11-01	1208.6	1178.7	1293.4	1200
2024-10-01	1208.6	1178.7	1293.4	1200
2024-09-01	1208.6	1178.7	1293.4	1200
2024-08-01	1208.6	1178.7	1293.4	1200
2024-07-01	1211.9	1180.5	1293.4	1200
2024-09-01	1223.7	1188.1	1293.4	1200
2024-05-01	1223.7	1188.1	1293.4	1200
2024-04-01	1223.7	1188.1	1293.4	1200
2024-03-01	1237.9	1200	1293.4	1200
2024-02-01	1237.9	1200	1293.4	1200
2024-01-01	1237.9	1200	1293.4	1200
2023-12-01	1237.9	1200	1293.4	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	SBDCU Trial 9 2025 (U20+Open)	2025-04-26	2025-04-26	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
2	SBDCU Trial 6 2025 (U20+Open)	2025-03-15	2025-03-15	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
3	Rhodes Open 2025 (A)	2025-03-21	2025-03-22	Standard	Sarah Baartman (ESB)	7	7	3.5	Yes	Analysis
4	SBDCU Trials 5 Makhanda Leg 2025 (U20+Open)	2025-02-22	2025-02-22	Standard	Sarah Baartman (ESB)	5	5	1.5	Yes	Analysis
5	SBD Activation Tournament 2025 (Open)	2025-01-04	2025-01-04	Rapid	Sarah Baartman (ESB)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCU Trial 9 2025 (U20+Open)	2025-04-26	2025-04-26	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
2	SBDCU Trial 6 2025 (U20+Open)	2025-03-15	2025-03-15	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
3	Rhodes Open 2025 (A)	2025-03-21	2025-03-22	Standard	Sarah Baartman (ESB)	7	7	3.5	Yes	Analysis
4	SBDCU Trials 5 Makhanda Leg 2025 (U20+Open)	2025-02-22	2025-02-22	Standard	Sarah Baartman (ESB)	5	5	1.5	Yes	Analysis
5	SBD Activation Tournament 2025 (Open)	2025-01-04	2025-01-04	Rapid	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
6	SBDCU Closed Trials 2024 (Open)	2024-07-27	2024-07-27	Standard	Sarah Baartman (ESB)	5	5	1.5	Yes	Analysis
7	SBDCU Trial 3 2024 (Open)	2024-06-01	2024-06-01	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
8	SBDCU Trial 2 2024 (Open)	2024-03-23	2024-03-23	Standard	Sarah Baartman (ESB)	5	4	2	Yes	Analysis
9	Makhanda Schools Chess Championship 2023 (A)	2023-09-30	2023-09-30	Rapid	Sarah Baartman (ESB)	6	5	5	Yes	Analysis
10	Makhanda Youth Day Chess Tournament 2023 (A)	2023-06-17	2023-06-17	Rapid	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
11	Makhanda Schools Chess Tournament 2023 (A)	2023-03-25	2023-03-25	Rapid	Sarah Baartman (ESB)	7	7	4.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament Makhanda Schools Chess Tournament 2023				Tournament Makhanda Schools Chess Tournament 2023
		date 2023-03-25	rnd 1	type Rapid	result 1	date 2023-03-25	rnd 6	type Rapid	result 1
		Opponent Manyika, T (Tinonteda)				Opponent Dywili, A (Alime)
2	5	Tournament Makhanda Schools Chess Championship 2023				Tournament Makhanda Schools Chess Championship 2023
		date 2023-09-30	rnd 1	type Rapid	result 1	date 2023-09-30	rnd 5	type Rapid	result 1
		Opponent Steven, Z (Zukisani)				Opponent Nkolongo, O (Okuhle)
3	4	Tournament Rhodes Open 2025				Tournament SBDCU Trial 9 2025
		date 2025-03-22	rnd 6	type Standard	result 0.5	date 2025-04-26	rnd 2	type Standard	result 0.5
		Opponent Mahlaza, A (Akhona)				Opponent Ndaba, J (Jabulani)

#	Games	Start				End
1	4	Tournament Rhodes Open 2025				Tournament SBDCU Trial 9 2025
		date 2025-03-22	rnd 6	type Standard	result 0.5	date 2025-04-26	rnd 2	type Standard	result 0.5
		Opponent Mahlaza, A (Akhona)				Opponent Ndaba, J (Jabulani)
2	3	Tournament SBDCU Trial 6 2025				Tournament SBDCU Trial 6 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Mtetwa, S (Simphiwe)				Opponent Mahlaza, A (Akhona)
3	3	Tournament SBDCU Trial 2 2024				Tournament SBDCU Trial 3 2024
		date 2024-03-23	rnd 4	type Standard	result 1	date 2024-06-01	rnd 1	type Standard	result 1
		Opponent Mahlangu, A (Ayanda)				Opponent Cungu, O (Olenje)

#	Games	Start				End
1	6	Tournament Makhanda Schools Chess Championship 2023				Tournament SBD Activation Tournament 2025
		date 2023-09-30	rnd 1	type Rapid	result 1	date 2025-01-04	rnd 1	type Rapid	result 1
		Opponent Steven, Z (Zukisani)				Opponent Rishworth, J (Justin)
2	6	Tournament Makhanda Schools Chess Tournament 2023				Tournament Makhanda Schools Chess Tournament 2023
		date 2023-03-25	rnd 1	type Rapid	result 1	date 2023-03-25	rnd 6	type Rapid	result 1
		Opponent Manyika, T (Tinonteda)				Opponent Dywili, A (Alime)
3	1	Tournament SBD Activation Tournament 2025				Tournament SBD Activation Tournament 2025
		date 2025-01-04	rnd 4	type Rapid	result 1	date 2025-01-04	rnd 4	type Rapid	result 1
		Opponent Saunders, E (Ethan)				Opponent Saunders, E (Ethan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Makhanda Schools Chess Championship 2023				Tournament Makhanda Schools Chess Championship 2023
		date 2023-09-30	rnd 1	type Rapid	result 1	date 2023-09-30	rnd 5	type Rapid	result 1
		Opponent Steven, Z (Zukisani)				Opponent Nkolongo, O (Okuhle)
2	3	Tournament SBDCU Trial 6 2025				Tournament SBDCU Trial 6 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Mtetwa, S (Simphiwe)				Opponent Mahlaza, A (Akhona)
3	3	Tournament SBDCU Trial 2 2024				Tournament SBDCU Trial 3 2024
		date 2024-03-23	rnd 4	type Standard	result 1	date 2024-06-01	rnd 1	type Standard	result 1
		Opponent Mahlangu, A (Ayanda)				Opponent Cungu, O (Olenje)

#	Games	Start				End
1	3	Tournament SBDCU Trial 6 2025				Tournament SBDCU Trial 6 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Mtetwa, S (Simphiwe)				Opponent Mahlaza, A (Akhona)
2	3	Tournament SBDCU Trial 2 2024				Tournament SBDCU Trial 3 2024
		date 2024-03-23	rnd 4	type Standard	result 1	date 2024-06-01	rnd 1	type Standard	result 1
		Opponent Mahlangu, A (Ayanda)				Opponent Cungu, O (Olenje)
3	2	Tournament Rhodes Open 2025				Tournament SBDCU Trial 9 2025
		date 2025-03-22	rnd 7	type Standard	result 1	date 2025-04-26	rnd 1	type Standard	result 1
		Opponent Solomon, S (Simamkele)				Opponent Malongane, R (Rudzani)

#	Games	Start				End
1	6	Tournament Makhanda Schools Chess Championship 2023				Tournament SBD Activation Tournament 2025
		date 2023-09-30	rnd 1	type Rapid	result 1	date 2025-01-04	rnd 1	type Rapid	result 1
		Opponent Steven, Z (Zukisani)				Opponent Rishworth, J (Justin)
2	2	Tournament Makhanda Schools Chess Tournament 2023				Tournament Makhanda Schools Chess Tournament 2023
		date 2023-03-25	rnd 1	type Rapid	result 1	date 2023-03-25	rnd 2	type Rapid	result 1
		Opponent Manyika, T (Tinonteda)				Opponent Shaw, R (Robert)
3	1	Tournament SBD Activation Tournament 2025				Tournament SBD Activation Tournament 2025
		date 2025-01-04	rnd 4	type Rapid	result 1	date 2025-01-04	rnd 4	type Rapid	result 1
		Opponent Saunders, E (Ethan)				Opponent Saunders, E (Ethan)

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	Mtetwa ,S (Simphiwe)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Mtetwa ,S (Simphiwe)	3	1212.7	1071	3	1214.5	1071	0	0	0	0	0	0
2	Mahlaza ,A (Akhona)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
2	Mahlaza ,A (Akhona)	3	1264.9	1264.9	3	1247.9	1264.9	0	0	0	0	0	0
3	Tshozi ,I (Inga)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Tshozi ,I (Inga)	2	1467.7	1042.7	2	1458.9	1042.7	0	0	0	0	0	0
4	Gosha ,W (William)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Gosha ,W (William)	2	1395	1182.5	2	1321.3	1182.5	0	0	0	0	0	0
5	Mqadi ,L (Lindokuhle)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Mqadi ,L (Lindokuhle)	2	1523.4	1098.4	2	1505.8	1098.4	0	0	0	0	0	0
6	Sibengile ,Z (Zolani)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
6	Sibengile ,Z (Zolani)	2	1365.7	1153.2	2	1341.3	1153.2	0	0	0	0	0	0
7	April ,DMG (David Marc Ghadafi)	2	0	-425	1	0	-425	1	0	-425	0	0	0
7	April ,DMG (David Marc Ghadafi)	2	1526.1	1101.1	1	1498.3	1101.1	1	1358.8	1101.1	0	0	0
8	Ndaba ,J (Jabulani)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
8	Ndaba ,J (Jabulani)	2	1337.4	1124.9	1	1363.9	1337.4	1	1252.8	912.4	0	0	0
9	Mngomezulu ,L (Lungelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mngomezulu ,L (Lungelo)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Moshoeshoe ,M (Maletapata)	1	1	425	1	1	425	0	0	0	0	0	0
10	Moshoeshoe ,M (Maletapata)	1	1316.4	1741.4	1	1317.1	1741.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Diamond, L (Lisakhanya)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms