Chess South Africa Ratings Database

PLAYER PAGE

Personal

Khosa, A (Alex)

Chess SA id

1030140558

FIDE id

Date of birth

2003-07-19 (Adult)

Gender

Male

Region

Ngaka Modiri Molema (NNM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1540.7	1563.1	1297.2	1200
Raw rating	1540.5	1562.6	1297.2	1200
Weighted rating	1540.7	1563.1	1296.9	1200
Weighted performance	1422.7	1424.8	0	0
Floor	1083.8	1106.8	797.2	700
K-factor	32	28	36	36
Min/Max rating change allowed	102.1	98.9	144.4	165.8
Highest rating	1622.8 2024-01-01	1606.8 2024-02-01	1622.2 2023-12-01	1200 2018-10-01
Highest raw rating	1583.8 2024-02-01	1606.8 2024-02-01	1297.2 2024-02-01	1200 2024-02-01
Highest weighted rating	1540.4 2025-08-01	1562.6 2025-08-01	1295.3 2025-08-01	1200 2018-10-01
Highest weighted performance	1622.8 2024-01-01	1597.5 2024-01-01	1622.2 2023-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.3	-0.3	0	0
New rating	1540.5	1562.8	1297.2	1200
Analysis
Rating	1540.7	1563.1	1297.2	1200
Raw rating	1540.5	1562.6	1297.2	1200
Weighted rating	1540.7	1563.1	1296.9
Weighted performance	1422.7	1424.8	0
K-factor	32	28	36	36
Floor	1083.8	1106.8	797.2	700
Max/Min rating change allowed	102.1	98.9	144.4	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	1540.5	1562.6	1297.2	1200
New weighted rating	1540.4	1562.8	1297.2	1200
New weighted performance	1422.2	1424.3	0	0
Temp new rating	1540.5	1562.8	1297.2	1200
Temp new rating +/-	-0.3	-0.3	0	0
Final new rating +/-	-0.3	-0.3	0	0
New rating	1540.5	1562.8	1297.2	1200
New K-factor	32	28	36	36
New floor	1083.8	1106.8	797.2	700

Item	Main	Standard	Rapid
	0	0	0
	15	15	0
	25	25	0
	27	21	6
	21	21	0
	0	0	0
History	88	82	6

Games since
	Main 55	Standard 49		Rapid 6		Blitz 0
Gender	Male
Age group	Adult
Region	Ngaka Modiri Molema (NNM)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	966		81		3
Male	850		70		3
Adult	351		23		2
Adult Male	329		22		2
Standard
	RSA		Province		Region
Overall	772		76		3
Male	683		67		3
Adult	293		26		3
Adult Male	278		25		3
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	15	12	80	255	1286.5	1541.5
Standard	15	12	80	255	1286.5	1541.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	88	55.5	63.07	111.1	1410.5	1521.6
Standard	82	51.5	62.8	108.8	1403.8	1512.6
Rapid	6	4	66.67	141.7	1503.1	1644.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1540.5	1562.6	1297.2	1200
2025-09-01	1540.5	1562.6	1297.2	1200
2025-08-01	1540.5	1562.6	1297.2	1200
2025-07-01	1540.5	1561.5	1297.2	1200
2025-06-01	1540.5	1559.6	1297.2	1200
2025-05-01	1535.1	1557.7	1297.2	1200
2025-04-01	1532.5	1555	1297.2	1200
2025-03-01	1529.3	1551.7	1297.2	1200
2025-02-01	1524.5	1546.5	1297.2	1200
2025-01-01	1503.7	1522.6	1297.2	1200
2024-12-01	1527.1	1551.7	1297.2	1200
2024-11-01	1527.1	1551.7	1297.2	1200
2024-10-01	1527.1	1551.7	1297.2	1200
2024-09-01	1527.1	1551.7	1297.2	1200
2024-08-01	1576.1	1597.6	1297.2	1200
2024-07-01	1583.8	1606.8	1297.2	1200
2024-06-01	1583.8	1606.8	1297.2	1200
2024-08-01	1583.8	1606.8	1297.2	1200
2024-04-01	1583.8	1606.8	1297.2	1200
2024-03-01	1583.8	1606.8	1297.2	1200
2024-02-01	1583.8	1606.8	1297.2	1200
2024-01-01	1546.9	1597.2	1297.2	1200
2023-12-01	1546.9	1538	1297.2	1200
2023-11-01	1449.2	1469.8	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	Bojanala's Circuit Championships 2 of 4 2025 (Open)	2025-05-17	2025-05-17	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
2	NWU Mahikeng Campus Chess Club League Classic Open 2025	2025-03-01	2025-04-18	Standard	Ngaka Modiri Molema (NNM)	7	6	5.5	Yes	Analysis
3	East Rand Chess Club Open 2025 (A)	2025-05-03	2025-05-03	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Circuit Championships 2 of 4 2025 (Open)	2025-05-17	2025-05-17	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
2	NWU Mahikeng Campus Chess Club League Classic Open 2025	2025-03-01	2025-04-18	Standard	Ngaka Modiri Molema (NNM)	7	6	5.5	Yes	Analysis
3	East Rand Chess Club Open 2025 (A)	2025-05-03	2025-05-03	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
4	USSA Chess Championships 2024 (Open)	2024-11-29	2024-12-03	Standard	Tshwane (GTP)	9	9	4.5	Yes	Analysis
5	Bojanala's FIDE In The Sparkling Waters 2024 (Prestige)	2024-08-16	2024-08-18	Standard	Bojanala Platina (NBR)	6	6	1	Yes	Analysis
6	Chess Power House July Open 2024 (A)	2024-07-20	2024-07-20	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
7	JMC Kick Off Tournament 2024 (B)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
8	2023 USSA Championships (Open)	2023-12-04	2023-12-08	Standard	Ethekwini (KED)	9	9	6	Yes	Analysis
9	Chess Power House Festive Rapid 2023 (B)	2023-12-15	2023-12-15	Rapid	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
10	2023 Thomas Lechelele North West Open (Presige)	2023-09-15	2023-09-16	Standard	Dr Kenneth Kaunda (NWP)	7	7	5	Yes	Analysis
11	Freedom Day Tournament 2023 (Open)	2023-04-29	2023-04-29	Standard	Ngaka Modiri Molema (NNM)	5	5	4	Yes	Analysis
12	Ekurhuleni Chess Springs Club Open 2022 (B)	2022-09-03	2022-09-03	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
13	Youth Day Chess 2022 (Open)	2022-06-25	2022-06-25	Standard	Ngaka Modiri Molema (NNM)	5	5	3	Yes	Analysis
14	Thomas Lechelele NW Open 2022 (A)	2022-05-14	2022-05-15	Standard	Ngaka Modiri Molema (NNM)	6	6	3	Yes	Analysis
15	Freedom Day Chess Tournament 2022 (Open)	2022-04-30	2022-04-30	Standard	Ngaka Modiri Molema (NNM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	11	Tournament USSA Chess Championships 2024				Tournament East Rand Chess Club Open 2025
		date 2024-12-03	rnd 8	type Standard	result 1	date 2025-05-03	rnd 4	type Standard	result 1
		Opponent Dlamini, R (Reginald)				Opponent Motseki, B (Bongani)
2	7	Tournament Ekurhuleni Chess Springs Club Open 2022				Tournament Freedom Day Tournament 2023
		date 2022-09-03	rnd 1	type Standard	result 0.5	date 2023-04-29	rnd 2	type Standard	result 1
		Opponent Barnard, D (Darius)				Opponent Msimanga, T (Tlhalefo)
3	5	Tournament Freedom Day Tournament 2023				Tournament 2023 Thomas Lechelele North West Open
		date 2023-04-29	rnd 4	type Standard	result 1	date 2023-09-16	rnd 3	type Standard	result 1
		Opponent Taele, O (Otumiseng)				Opponent Chakandidano, N (Nhamo)

#	Games	Start				End
1	11	Tournament USSA Chess Championships 2024				Tournament East Rand Chess Club Open 2025
		date 2024-12-03	rnd 8	type Standard	result 1	date 2025-05-03	rnd 4	type Standard	result 1
		Opponent Dlamini, R (Reginald)				Opponent Motseki, B (Bongani)
2	7	Tournament Ekurhuleni Chess Springs Club Open 2022				Tournament Freedom Day Tournament 2023
		date 2022-09-03	rnd 1	type Standard	result 0.5	date 2023-04-29	rnd 2	type Standard	result 1
		Opponent Barnard, D (Darius)				Opponent Msimanga, T (Tlhalefo)
3	5	Tournament Freedom Day Tournament 2023				Tournament 2023 Thomas Lechelele North West Open
		date 2023-04-29	rnd 4	type Standard	result 1	date 2023-09-16	rnd 3	type Standard	result 1
		Opponent Taele, O (Otumiseng)				Opponent Chakandidano, N (Nhamo)

#	Games	Start				End
1	3	Tournament Chess Power House Festive Rapid 2023				Tournament Chess Power House Festive Rapid 2023
		date 2023-12-15	rnd 3	type Rapid	result 1	date 2023-12-15	rnd 5	type Rapid	result 1
		Opponent Nakeng, T (Thomas)				Opponent Kitaya, JM (Jonathan Mpumpa)
2	1	Tournament Chess Power House Festive Rapid 2023				Tournament Chess Power House Festive Rapid 2023
		date 2023-12-15	rnd 1	type Rapid	result 1	date 2023-12-15	rnd 1	type Rapid	result 1
		Opponent Mondlani, P (Paulo)				Opponent Mondlani, P (Paulo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament NWU Mahikeng Campus Chess Club League Classic Open 2025				Tournament East Rand Chess Club Open 2025
		date 2025-03-29	rnd 5	type Standard	result 1	date 2025-05-03	rnd 4	type Standard	result 1
		Opponent Magano, K (Kamogelo)				Opponent Motseki, B (Bongani)
2	5	Tournament Freedom Day Tournament 2023				Tournament 2023 Thomas Lechelele North West Open
		date 2023-04-29	rnd 4	type Standard	result 1	date 2023-09-16	rnd 3	type Standard	result 1
		Opponent Taele, O (Otumiseng)				Opponent Chakandidano, N (Nhamo)
3	5	Tournament Ekurhuleni Chess Springs Club Open 2022				Tournament Freedom Day Tournament 2023
		date 2022-09-03	rnd 3	type Standard	result 1	date 2023-04-29	rnd 2	type Standard	result 1
		Opponent Mongale, T (Tlhompo)				Opponent Msimanga, T (Tlhalefo)

#	Games	Start				End
1	6	Tournament NWU Mahikeng Campus Chess Club League Classic Open 2025				Tournament East Rand Chess Club Open 2025
		date 2025-03-29	rnd 5	type Standard	result 1	date 2025-05-03	rnd 4	type Standard	result 1
		Opponent Magano, K (Kamogelo)				Opponent Motseki, B (Bongani)
2	5	Tournament Freedom Day Tournament 2023				Tournament 2023 Thomas Lechelele North West Open
		date 2023-04-29	rnd 4	type Standard	result 1	date 2023-09-16	rnd 3	type Standard	result 1
		Opponent Taele, O (Otumiseng)				Opponent Chakandidano, N (Nhamo)
3	5	Tournament Ekurhuleni Chess Springs Club Open 2022				Tournament Freedom Day Tournament 2023
		date 2022-09-03	rnd 3	type Standard	result 1	date 2023-04-29	rnd 2	type Standard	result 1
		Opponent Mongale, T (Tlhompo)				Opponent Msimanga, T (Tlhalefo)

#	Games	Start				End
1	3	Tournament Chess Power House Festive Rapid 2023				Tournament Chess Power House Festive Rapid 2023
		date 2023-12-15	rnd 3	type Rapid	result 1	date 2023-12-15	rnd 5	type Rapid	result 1
		Opponent Nakeng, T (Thomas)				Opponent Kitaya, JM (Jonathan Mpumpa)
2	1	Tournament Chess Power House Festive Rapid 2023				Tournament Chess Power House Festive Rapid 2023
		date 2023-12-15	rnd 1	type Rapid	result 1	date 2023-12-15	rnd 1	type Rapid	result 1
		Opponent Mondlani, P (Paulo)				Opponent Mondlani, P (Paulo)

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	Magano ,K (Kamogelo)	2	2	425	2	2	425	0	0	0	0	0	0
1	Magano ,K (Kamogelo)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
2	Khumalo ,R (Rethabile)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
2	Khumalo ,R (Rethabile)	2	1199.9	1412.4	2	1200.3	1412.4	0	0	0	0	0	0
3	Lemme ,T (Tumelo)	2	1	0	2	1	0	0	0	0	0	0	0
3	Lemme ,T (Tumelo)	2	1432.6	1432.6	2	1425.8	1432.6	0	0	0	0	0	0
4	Lata ,O (Otshepegile)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Lata ,O (Otshepegile)	2	1408.3	983.3	2	1397	983.3	0	0	0	0	0	0
5	Makhosonke ,KM (Kuhlase Matthiolus)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Makhosonke ,KM (Kuhlase Matthiolus)	2	1652.4	1227.4	1	1656	1227.4	1	1619	1227.4	0	0	0
6	Landitho ,M (Mzwandile)	1	1	425	1	1	425	0	0	0	0	0	0
6	Landitho ,M (Mzwandile)	1	1555	1980	1	1557.9	1980	0	0	0	0	0	0
7	Byliefeldt ,L (Leroux)	1	1	425	1	1	425	0	0	0	0	0	0
7	Byliefeldt ,L (Leroux)	1	1612.8	2037.8	1	1637.8	2037.8	0	0	0	0	0	0
8	Dlamini ,R (Reginald)	1	1	425	1	1	425	0	0	0	0	0	0
8	Dlamini ,R (Reginald)	1	1327	1752	1	1309.7	1752	0	0	0	0	0	0
9	Jobeta ,O (Olorato)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Jobeta ,O (Olorato)	1	1390.2	965.2	1	1386.9	965.2	0	0	0	0	0	0
10	Froom ,G (Gabriel)	1	1	425	1	1	425	0	0	0	0	0	0
10	Froom ,G (Gabriel)	1	1524.2	1949.2	1	1528.3	1949.2	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

Khosa, A (Alex)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms