Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ndlanzi, I (Isaac)

Chess SA id

1090306661

FIDE id

Date of birth

2009-02-14 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1337	1340.9	1241.5	1200
Raw rating	1337	1340.9	1241.5	1200
Weighted rating	1299.4	1297.5	1223	1200
Weighted performance	0	0	0	0
Floor	837	840.9	741.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	136.4	135.7	156.3	165.8
Highest rating	1373.2 2024-07-01	1340.9 2025-04-01	1331.6 2024-07-01	1200 2024-11-01
Highest raw rating	1337 2025-11-01	1340.9 2025-04-01	1241.5 2025-11-01	1200 2024-11-01
Highest weighted rating	1287 2025-11-01	1259.7 2025-08-01	1219.2 2024-10-01	1200 2024-11-01
Highest weighted performance	1373.2 2024-07-01	1200 2024-11-01	1331.6 2024-07-01	1200 2024-11-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1337	1340.9	1241.5	1200
Analysis
Rating	1337	1340.9	1241.5	1200
Raw rating	1337	1340.9	1241.5	1200
Weighted rating	1299.4	1297.5	1223
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	837	840.9	741.5	700
Max/Min rating change allowed	136.4	135.7	156.3	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	1337	1340.9	1241.5	1200
New weighted rating	1304.9	1303.6	1224.9	1200
New weighted performance	0	0	0	0
Temp new rating	1337	1340.9	1241.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1337	1340.9	1241.5	1200
New K-factor	36	36	36	36
New floor	837	840.9	741.5	700

Item	Main	Standard	Rapid
	0	0	0
	19	14	5
	3	0	3
	0	0	0
	0	0	0
	0	0	0
History	22	14	8

Games since
	Main 22	Standard 14		Rapid 8		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	19	12	63.16	111.8	1338.6	1450.4
Standard	14	9	64.29	121.4	1370.4	1491.8
Rapid	5	3	60	85	1249.6	1334.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	14	63.64	115.9	1333.1	1449
Standard	14	9	64.29	121.4	1370.4	1491.8
Rapid	8	5	62.5	106.2	1267.7	1374
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1337	1340.9	1241.5	1200
2025-11-30	1337	1340.9	1241.5	1200
2025-11-01	1337	1340.9	1241.5	1200
2025-09-30	1336.1	1340.9	1219.2	1200
2025-09-01	1336.1	1340.9	1219.2	1200
2025-08-01	1336.1	1340.9	1219.2	1200
2025-07-01	1336.1	1340.9	1219.2	1200
2025-06-01	1336.1	1340.9	1219.2	1200
2025-05-01	1336.1	1340.9	1219.2	1200
2025-04-01	1336.1	1340.9	1219.2	1200
2025-03-01	1322.5	1326.5	1219.2	1200
2025-02-01	1221.4	1200	1219.2	1200
2025-01-01	1221.4	1200	1219.2	1200
2024-12-01	1221.4	1200	1219.2	1200
2024-11-01	1221.4	1200	1219.2	1200
2024-10-01	1221.4	1200	1219.2	1200
2024-09-01	1221.4	1200	1219.2	1200
2024-11-01	1221.4	1200	1219.2	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	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

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	Chess Molecules Rapid 2025 (A)	2025-09-20	2025-09-20	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Chess Power House March Open 2025 (B)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
4	CPH Primrose Open 2025 (B)	2025-02-08	2025-02-08	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
5	Kempton Park Cluster Teams 2024 (U15)	2024-07-13	2024-07-13	Rapid	Ekurhuleni (GE)	3	3	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament CPH Primrose Open 2025				Tournament Chess Power House March Open 2025
		date 2025-02-08	rnd 4	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Nkuna, A (Annah)				Opponent Mankena, S (Satvik Ram)
2	2	Tournament Chess Molecules Rapid 2025				Tournament Chess Molecules Rapid 2025
		date 2025-09-20	rnd 4	type Rapid	result 1	date 2025-09-20	rnd 5	type Rapid	result 1
		Opponent Mathole, U (Unathi)				Opponent Nhlengethwa, T (Ticiano Costa)
3	2	Tournament Kempton Park Cluster Teams 2024				Tournament Kempton Park Cluster Teams 2024
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Boonzaaier, A (Adrian)				Opponent Naidoo, M (Mateo Ronald)

#	Games	Start				End
1	7	Tournament CPH Primrose Open 2025				Tournament Chess Power House March Open 2025
		date 2025-02-08	rnd 4	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Nkuna, A (Annah)				Opponent Mankena, S (Satvik Ram)
2	1	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 5	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 1
		Opponent Mbire, S (Shantel)				Opponent Mbire, S (Shantel)
3	1	Tournament CPH Primrose Open 2025				Tournament CPH Primrose Open 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-08	rnd 2	type Standard	result 1
		Opponent Chupo, T (Thato)				Opponent Chupo, T (Thato)

#	Games	Start				End
1	2	Tournament Kempton Park Cluster Teams 2024				Tournament Kempton Park Cluster Teams 2024
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Boonzaaier, A (Adrian)				Opponent Naidoo, M (Mateo Ronald)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament CPH Primrose Open 2025				Tournament Chess Power House March Open 2025
		date 2025-02-08	rnd 4	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Nkuna, A (Annah)				Opponent Mankena, S (Satvik Ram)
2	2	Tournament Kempton Park Cluster Teams 2024				Tournament Kempton Park Cluster Teams 2024
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Boonzaaier, A (Adrian)				Opponent Naidoo, M (Mateo Ronald)
3	1	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 5	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 1
		Opponent Mbire, S (Shantel)				Opponent Mbire, S (Shantel)

#	Games	Start				End
1	7	Tournament CPH Primrose Open 2025				Tournament Chess Power House March Open 2025
		date 2025-02-08	rnd 4	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Nkuna, A (Annah)				Opponent Mankena, S (Satvik Ram)
2	1	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 5	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 1
		Opponent Mbire, S (Shantel)				Opponent Mbire, S (Shantel)
3	1	Tournament CPH Primrose Open 2025				Tournament CPH Primrose Open 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-08	rnd 2	type Standard	result 1
		Opponent Chupo, T (Thato)				Opponent Chupo, T (Thato)

#	Games	Start				End
1	2	Tournament Kempton Park Cluster Teams 2024				Tournament Kempton Park Cluster Teams 2024
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Boonzaaier, A (Adrian)				Opponent Naidoo, M (Mateo Ronald)

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	Naidoo ,T (Talin)	1	1	425	1	1	425	0	0	0	0	0	0
1	Naidoo ,T (Talin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Mbire ,S (Shantel)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mbire ,S (Shantel)	1	1197.2	1622.2	1	1196.6	1622.2	0	0	0	0	0	0
3	Subroyen ,J (Jeevesh)	1	1	425	1	1	425	0	0	0	0	0	0
3	Subroyen ,J (Jeevesh)	1	1310.9	1735.9	1	1294.2	1735.9	0	0	0	0	0	0
4	Sithole ,ML (Mfanimpela Lucas)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Sithole ,ML (Mfanimpela Lucas)	1	1510.3	1085.3	1	1522.9	1085.3	0	0	0	0	0	0
5	Strickler ,L (Luke)	1	1	425	1	1	425	0	0	0	0	0	0
5	Strickler ,L (Luke)	1	1265.9	1690.9	1	1262.3	1690.9	0	0	0	0	0	0
6	Ngubeni ,JM (Jackie)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ngubeni ,JM (Jackie)	1	1634.1	1209.1	1	1588.6	1209.1	0	0	0	0	0	0
7	Khondowe ,D (Davidson)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Khondowe ,D (Davidson)	1	1608.8	1183.8	1	1655.1	1183.8	0	0	0	0	0	0
8	Mallach ,M (Matthew)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mallach ,M (Matthew)	1	1514.2	1089.2	1	1516.5	1089.2	0	0	0	0	0	0
9	Zulu ,L (Luther Gugulethu)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Zulu ,L (Luther Gugulethu)	1	1440.6	1015.6	1	1444.3	1015.6	0	0	0	0	0	0
10	Mankena ,S (Satvik Ram)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mankena ,S (Satvik Ram)	1	1542.9	1967.9	1	1544.3	1967.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ndlanzi, I (Isaac)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms