Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mini, S (Siboniso)

Chess SA id

1060112904

FIDE id

534023720

Date of birth

2006-08-16 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-12-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1690	1687.7	1368.2	1332.7
Raw rating	1690	1687.7	1368.2	1332.7
Weighted rating	1627.7	1633.4	1295.5	1271.4
Weighted performance	1643.1	1645.6	1305.7	0
Floor	1190	1201.3	868.2	842.8
K-factor	28	28	36	36
Min/Max rating change allowed	82.5	82.8	130.5	137.3
Highest rating	1690 2026-01-01	1701.3 2025-08-01	1545.6 2024-07-01	1342.8 2025-08-01
Highest raw rating	1690 2026-01-01	1701.3 2025-08-01	1368.2 2026-01-01	1342.8 2025-08-01
Highest weighted rating	1641.2 2025-03-01	1633.4 2026-01-01	1295.5 2026-01-01	1271.4 2026-01-01
Highest weighted performance	1676.7 2025-08-01	1701.3 2024-04-01	1545.6 2024-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1690	1687.7	1368.2	1332.7
Analysis
Rating	1690	1687.7	1368.2	1332.7
Raw rating	1690	1687.7	1368.2	1332.7
Weighted rating	1627.7	1633.4	1295.5
Weighted performance	1643.1	1645.6	1305.7
K-factor	28	28	36	36
Floor	1190	1201.3	868.2	842.8
Max/Min rating change allowed	82.5	82.8	130.5	137.3
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	1690	1687.7	1368.2	1332.7
New weighted rating	1633.8	1639.1	1302.5	1278.6
New weighted performance	1632.4	1634.8	1296.4	0
Temp new rating	1690	1687.7	1368.2	1332.7
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1690	1687.7	1368.2	1332.7
New K-factor	28	28	36	36
New floor	1190	1201.3	868.2	842.8

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	70	49	5	16
	27	10	17	0
	55	55	0	0
	4	4	0	0
	0	0	0	0
History	166	128	22	16

Games since
	Main 97	Standard 59		Rapid 22		Blitz 16
Gender	Male
Age group	U20
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	558		206		16
Male	510		188		15
U20	51		17		2
U20 Male	46		14		2
Standard
	RSA		Province		Region
Overall	500		193		16
Male	458		176		15
U20	51		17		2
U20 Male	45		14		2
Rapid
	RSA		Province		Region
Overall	1142		205		31
Male	922		163		25
U20	63		8		1
U20 Male	53		6		1
Blitz
	RSA		Province		Region
Overall	240		77		5
Male	225		70		5
U20	18		3		1
U20 Male	17		3		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	70	42	60	85	1506.6	1591.6
Standard	49	30	61.22	95.4	1487.6	1583
Rapid	5	2	40	-85	1281.3	1196.3
Blitz	16	10	62.5	106.2	1635.3	1741.5
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	166	111	66.87	143.4	1415.5	1558.8
Standard	128	89	69.53	166	1376.6	1542.7
Rapid	22	12	54.55	38.6	1481.5	1520.1
Blitz	16	10	62.5	106.2	1635.3	1741.5

Date	Main	Standard	Rapid	Blitz
2026-01-01	1690	1687.7	1368.2	1332.7
2025-11-30	1619.4	1624.4	1282.5	1342.8
2025-11-01	1662.6	1679.3	1282.5	1342.8
2025-09-30	1662.6	1679.3	1282.5	1342.8
2025-09-01	1662.6	1679.3	1282.5	1342.8
2025-08-01	1676.7	1701.3	1282.5	1342.8
2025-07-01	1641.2	1648.8	1280.6	1293
2025-06-01	1592	1591.6	1280.4	1293
2025-05-01	1591	1591.2	1280.4	1200
2025-04-01	1584.7	1586.5	1280.4	1200
2025-03-01	1600.4	1595.2	1318.5	1200
2025-02-01	1606.8	1603	1318.5	1200
2025-01-01	1606.8	1603	1318.5	1200
2024-12-01	1606.8	1603	1318.5	1200
2024-11-01	1599.9	1603	1329.3	1200
2024-10-01	1599.9	1603	1329.3	1200
2024-09-01	1599.9	1603	1329.3	1200
2024-11-01	1599.9	1603	1329.3	1200
2024-07-01	1594.5	1603	1256.2	1200
2024-06-01	1598.9	1603	1200	1200
2024-05-01	1598.9	1603	1200	1200
2024-04-01	1589.6	1593.1	1200	1200
2024-03-01	1564.9	1563.7	1200	1200
2024-02-01	1564.9	1563.7	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	2025 The EVAC Christmas-Eve Two-Player Teams Chess Tournament	2025-12-24	2025-12-24	Rapid	Sedibeng (GSV)	5	5	5	Yes	Analysis
2	USSA Chess Championships 2025 (Open)	2025-12-01	2025-12-05	Standard	Johannesburg Metro (GJM)	9	9	6	Yes	Analysis
3	USSA Chess Championships 2025 (Blitz)	2025-12-03	2025-12-03	Blitz	Johannesburg Metro (GJM)	9	9	4	Yes	Analysis
4	2025 Mzansi Individual Championships (U20 Open)	2025-12-17	2025-12-20	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
5	2025 Mzansi Inter Provincial Team Championships (U20 Open)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
6	Gauteng Inter-Region at Emerald Resort 2025 (U20)	2025-12-06	2025-12-07	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
7	Queen's Gambit Chess Open 29 Nov 2025 (A)	2025-11-29	2025-11-29	Standard	Sedibeng (GSV)	5	3	1	Yes	Analysis
8	UJ @20 Years Chess Championship 2025 (Open)	2025-08-02	2025-08-02	Standard	Johannesburg Metro (GJM)	5	4	2.5	Yes	Analysis
9	Eureka Chess Open 26 July 2025 (A)	2025-07-26	2025-07-26	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
10	2025 The ELM Zone 7 Community Library Chess Tournament (A)	2025-07-11	2025-07-11	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
11	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	10	6.5	Yes	Analysis
12	South African Open 2025 (Blitz)	2025-07-02	2025-07-02	Blitz	Johannesburg Metro (GJM)	9	9	6	Yes	Analysis
13	LS Vryheidsmonument Chess Open 21 Jun 2025 (A)	2025-06-21	2025-06-21	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
14	Moja Chess Extravaganza 2025 (C)	2025-04-26	2025-05-01	Standard	Johannesburg Metro (GJM)	9	9	6.5	Yes	Analysis
15	Moja Chess Extravaganza 2025 (Blitz)	2025-04-26	2025-04-26	Blitz	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
16	Chess Power House March Open 2025 (B)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
17	UJ Scholars 1st Edition 2025 (Open)	2025-03-15	2025-03-15	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
18	Ekurhuleni/Springs Open 025 (A)	2025-02-22	2025-02-22	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
19	Evaton #Bossoya Chess Rapid 09 Nov 2024 (A)	2024-11-09	2024-11-09	Rapid	Sedibeng (GSV)	6	6	3	Yes	Analysis
20	Midvaal Winter Classic 13 July 2024 (A)	2024-07-13	2024-07-13	Rapid	Sedibeng (GSV)	7	6	3	Yes	Analysis
21	Rapid Vaal Chess Event - Sedibeng Chess 16 June 2024 (U35)	2024-06-16	2024-06-16	Rapid	Sedibeng (GSV)	5	5	4	Yes	Analysis
22	Hoerskool Overvaal Chess Open 2024 (A)	2024-04-20	2024-04-20	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis
23	Laerskool Midvaal Chess Open Section 2024 (A)	2024-02-10	2024-02-10	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis
24	Queens Gambit Chess Open 2023 (A)	2023-11-25	2023-11-25	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
25	NWU Vaal Open 2023 (A)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
26	Fonteine Chess Open 2023 (A)	2023-09-02	2023-09-02	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
27	2023 Gauteng Top Schools (U17 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
28	2023 Sedibeng West District Schools Chess Tournament (U17+U19)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
29	Eureka Open 2023 (C)	2023-07-29	2023-07-29	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
30	D8 Schools Individuals 2023 (U18 Boys)	2023-05-20	2023-05-20	Standard	West Rand (GWR)	5	5	5	Yes	Analysis
31	Valia's Chess Tournament 2023 (B)	2023-05-06	2023-05-06	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
32	Driehoek Open Chess Tournament 2023 (B)	2023-05-13	2023-05-13	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis
33	Gauteng Schools Individual Finals 2023 (U18 Boys)	2023-05-27	2023-05-27	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
34	Overvaal Open 2023 (C)	2023-04-15	2023-04-15	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
35	2022 Gauteng Schools Individual Chess Championship (U18 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
36	2019 Gauteng Primary Schools Individual Chess Championships (U13 Boys)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
37	D8 Individuals 2019 (U13 Boys)	2019-04-27	2019-04-27	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis

#	Games	Start				End
1	14	Tournament Valia's Chess Tournament 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-05-06	rnd 3	type Standard	result 1	date 2023-05-27	rnd 1	type Standard	result 1
		Opponent Matsau, K (Katleho)				Opponent Motaung, L (Lehlohonolo)
2	13	Tournament Laerskool Midvaal Chess Open Section 2024				Tournament Rapid Vaal Chess Event - Sedibeng Chess 16 June 2024
		date 2024-02-10	rnd 1	type Standard	result 1	date 2024-06-16	rnd 3	type Rapid	result 1
		Opponent Rantso, MP (Moiloa)				Opponent Mokoena, T (Tshiamo)
3	11	Tournament 2023 Sedibeng West District Schools Chess Tournament				Tournament Fonteine Chess Open 2023
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-09-02	rnd 1	type Standard	result 1
		Opponent Mokoena, K (Katleho)				Opponent Naidoo, K (Kajol)

#	Games	Start				End
1	14	Tournament Valia's Chess Tournament 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-05-06	rnd 3	type Standard	result 1	date 2023-05-27	rnd 1	type Standard	result 1
		Opponent Matsau, K (Katleho)				Opponent Motaung, L (Lehlohonolo)
2	11	Tournament Laerskool Midvaal Chess Open Section 2024				Tournament Ekurhuleni/Springs Open 025
		date 2024-02-10	rnd 1	type Standard	result 1	date 2025-02-22	rnd 1	type Standard	result 1
		Opponent Rantso, MP (Moiloa)				Opponent Tshetlo, T (Tshepo)
3	11	Tournament 2023 Sedibeng West District Schools Chess Tournament				Tournament Fonteine Chess Open 2023
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-09-02	rnd 1	type Standard	result 1
		Opponent Mokoena, K (Katleho)				Opponent Naidoo, K (Kajol)

#	Games	Start				End
1	3	Tournament Rapid Vaal Chess Event - Sedibeng Chess 16 June 2024				Tournament Rapid Vaal Chess Event - Sedibeng Chess 16 June 2024
		date 2024-06-16	rnd 1	type Rapid	result 1	date 2024-06-16	rnd 3	type Rapid	result 1
		Opponent Phiri, L (Lehlohonolo)				Opponent Mokoena, T (Tshiamo)
2	2	Tournament Evaton #Bossoya Chess Rapid 09 Nov 2024				Tournament Evaton #Bossoya Chess Rapid 09 Nov 2024
		date 2024-11-09	rnd 3	type Rapid	result 1	date 2024-11-09	rnd 4	type Rapid	result 1
		Opponent Ndimande, N (Nqobani)				Opponent Ngwane, N (Ndabenhle)
3	2	Tournament Midvaal Winter Classic 13 July 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Mmoneng, PL (Patrick)				Opponent Rantso, MP (Moiloa)

#	Games	Start				End
1	4	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 4	type Blitz	result 1	date 2025-07-02	rnd 7	type Blitz	result 1
		Opponent Britz, W (Wian)				Opponent Dukhan, K (Kashvir)
2	3	Tournament Moja Chess Extravaganza 2025				Tournament Moja Chess Extravaganza 2025
		date 2025-04-26	rnd 4	type Blitz	result 1	date 2025-04-26	rnd 6	type Blitz	result 1
		Opponent Venter, C (Christiaan)				Opponent Mtiyane, T (Tyson)
3	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 9	type Blitz	result 1	date 2025-07-02	rnd 9	type Blitz	result 1
		Opponent Pienaar, LA (Amadeus Leonard)				Opponent Pienaar, LA (Amadeus Leonard)

#	Games	Start				End
1	8	Tournament Moja Chess Extravaganza 2025				Tournament South African Open 2025
		date 2025-04-30	rnd 8	type Standard	result 1	date 2025-06-28	rnd 1	type Standard	result 1
		Opponent Mashigo, O (Obakeng)				Opponent Seema, T (Tshepang)
2	8	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament Valia's Chess Tournament 2023
		date 2022-06-18	rnd 4	type Standard	result 1	date 2023-05-06	rnd 1	type Standard	result 1
		Opponent Reddy, N (Nihar)				Opponent Spamers, V (Vinaldo)
3	7	Tournament Valia's Chess Tournament 2023				Tournament Driehoek Open Chess Tournament 2023
		date 2023-05-06	rnd 3	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Matsau, K (Katleho)				Opponent Spamers, V (Vinaldo)

#	Games	Start				End
1	8	Tournament Moja Chess Extravaganza 2025				Tournament South African Open 2025
		date 2025-04-30	rnd 8	type Standard	result 1	date 2025-06-28	rnd 1	type Standard	result 1
		Opponent Mashigo, O (Obakeng)				Opponent Seema, T (Tshepang)
2	8	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament Valia's Chess Tournament 2023
		date 2022-06-18	rnd 4	type Standard	result 1	date 2023-05-06	rnd 1	type Standard	result 1
		Opponent Reddy, N (Nihar)				Opponent Spamers, V (Vinaldo)
3	7	Tournament Valia's Chess Tournament 2023				Tournament Driehoek Open Chess Tournament 2023
		date 2023-05-06	rnd 3	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Matsau, K (Katleho)				Opponent Spamers, V (Vinaldo)

#	Games	Start				End
1	3	Tournament Rapid Vaal Chess Event - Sedibeng Chess 16 June 2024				Tournament Rapid Vaal Chess Event - Sedibeng Chess 16 June 2024
		date 2024-06-16	rnd 1	type Rapid	result 1	date 2024-06-16	rnd 3	type Rapid	result 1
		Opponent Phiri, L (Lehlohonolo)				Opponent Mokoena, T (Tshiamo)
2	2	Tournament Evaton #Bossoya Chess Rapid 09 Nov 2024				Tournament Evaton #Bossoya Chess Rapid 09 Nov 2024
		date 2024-11-09	rnd 3	type Rapid	result 1	date 2024-11-09	rnd 4	type Rapid	result 1
		Opponent Ndimande, N (Nqobani)				Opponent Ngwane, N (Ndabenhle)
3	2	Tournament Midvaal Winter Classic 13 July 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Mmoneng, PL (Patrick)				Opponent Rantso, MP (Moiloa)

#	Games	Start				End
1	4	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 4	type Blitz	result 1	date 2025-07-02	rnd 7	type Blitz	result 1
		Opponent Britz, W (Wian)				Opponent Dukhan, K (Kashvir)
2	3	Tournament Moja Chess Extravaganza 2025				Tournament Moja Chess Extravaganza 2025
		date 2025-04-26	rnd 4	type Blitz	result 1	date 2025-04-26	rnd 6	type Blitz	result 1
		Opponent Venter, C (Christiaan)				Opponent Mtiyane, T (Tyson)
3	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 9	type Blitz	result 1	date 2025-07-02	rnd 9	type Blitz	result 1
		Opponent Pienaar, LA (Amadeus Leonard)				Opponent Pienaar, LA (Amadeus Leonard)

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	Chibase ,N (Nkosana)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
1	Chibase ,N (Nkosana)	3	1693.4	1693.4	3	1690.8	1693.4	0	0	0	0	0	0
2	Jonker ,J (Jaen-Pierre)	3	3	425	3	3	425	0	0	0	0	0	0
2	Jonker ,J (Jaen-Pierre)	3	1296.6	1721.6	3	1297.9	1721.6	0	0	0	0	0	0
3	Buba ,V (Vukile)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
3	Buba ,V (Vukile)	3	1694.2	1552.6	2	1696.2	1694.2	1	1289.3	1269.2	0	0	0
4	Rantso ,MP (Moiloa Petrus)	3	3	425	2	2	425	1	1	425	0	0	0
4	Rantso ,MP (Moiloa Petrus)	3	1355.6	1780.6	2	1328.1	1780.6	1	1359.1	1780.6	0	0	0
5	Karsten ,K (Keagan)	2	2	425	2	2	425	0	0	0	0	0	0
5	Karsten ,K (Keagan)	2	1440	1865	2	1403.2	1865	0	0	0	0	0	0
6	Matsau ,K (Katleho)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Matsau ,K (Katleho)	2	1172.4	1384.9	2	1166	1384.9	0	0	0	0	0	0
7	Mittermaier ,G (Gunther)	2	2	425	2	2	425	0	0	0	0	0	0
7	Mittermaier ,G (Gunther)	2	1378.2	1803.2	2	1337.3	1803.2	0	0	0	0	0	0
8	Spamers ,V (Vinaldo)	2	2	425	2	2	425	0	0	0	0	0	0
8	Spamers ,V (Vinaldo)	2	1375.7	1800.7	2	1364.8	1800.7	0	0	0	0	0	0
9	Combrink ,J (Juan-Louis)	2	1	0	1	1	425	1	0	-425	0	0	0
9	Combrink ,J (Juan-Louis)	2	1804	1804	1	1834.7	2229	1	1475.4	1379	0	0	0
10	Phiri ,L (Lehlohonolo)	2	2	425	1	1	425	1	1	425	0	0	0
10	Phiri ,L (Lehlohonolo)	2	1228.4	1653.4	1	1244.3	1653.4	1	1200	1653.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Mini, S (Siboniso)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms