Chess South Africa Ratings Database

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Personal

Mini, S (Siboniso)

Chess SA id

1060112904

FIDE id

Date of birth

2006-08-16 (U20)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

52.8

Junior GPX Points

1442.1

Item	Main	Standard	Rapid	Blitz
Rating	1662.6	1679.3	1285.9	1342.8
Raw rating	1662.6	1679.3	1282.5	1342.8
Weighted rating	1615.1	1620.3	1285.9	1245.5
Weighted performance	1588.9	1609.7	0	0
Floor	1176.7	1201.3	829.3	842.8
K-factor	28	28	36	36
Min/Max rating change allowed	85.8	83.8	147.4	135.3
Highest rating	1676.7 2025-08-01	1701.3 2025-08-01	1545.6 2024-07-01	1342.8 2025-08-01
Highest raw rating	1676.7 2025-08-01	1701.3 2025-08-01	1329.3 2024-08-01	1342.8 2025-08-01
Highest weighted rating	1641.2 2025-03-01	1613.8 2025-09-01	1282.5 2025-08-01	1225.4 2025-08-01
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	1.2	0
New rating	1662.6	1679.3	1287.1	1342.8
Analysis
Rating	1662.6	1679.3	1285.9	1342.8
Raw rating	1662.6	1679.3	1282.5	1342.8
Weighted rating	1615.1	1620.3	1285.9
Weighted performance	1588.9	1609.7	0
K-factor	28	28	36	36
Floor	1176.7	1201.3	829.3	842.8
Max/Min rating change allowed	85.8	83.8	147.4	135.3
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	1662.6	1679.3	1282.5	1342.8
New weighted rating	1620	1626.2	1287.1	1254.9
New weighted performance	1588.3	1609.1	0	0
Temp new rating	1662.6	1679.3	1287.1	1342.8
Temp new rating +/-	0	0	1.2	0
Final new rating +/-	0	0	1.2	0
New rating	1662.6	1679.3	1287.1	1342.8
New K-factor	28	28	36	36
New floor	1176.7	1201.3	829.3	842.8

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	67	46	5	16
	27	10	17	0
	55	55	0	0
	4	4	0	0
	0	0	0	0
History	163	125	22	16

Games since
	Main 104	Standard 66		Rapid 22		Blitz 16
Gender	Male
Age group	U20
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	393		156		12
Male	369		145		12
U20	39		12		1
U20 Male	35		9		1
Standard
	RSA		Province		Region
Overall	332		137		11
Male	312		128		11
U20	36		11		1
U20 Male	31		8		1
Rapid
	RSA		Province		Region
Overall	1119		197		27
Male	913		158		22
U20	68		10		1
U20 Male	59		9		1
Blitz
	RSA		Province		Region
Overall	235		72		4
Male	226		68		4
U20	22		4		1
U20 Male	21		4		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	67	41	61.19	95.1	1517.8	1613
Standard	46	29	63.04	110.9	1502.7	1613.5
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	163	110	67.48	148.6	1418.4	1567
Standard	125	88	70.4	173.4	1379.5	1552.9
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
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
2024-08-01	1599.9	1603	1329.3	1200
2024-07-01	1594.5	1603	1256.2	1200
2024-06-01	1598.9	1603	1200	1200
2024-08-01	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
2024-01-01	1564.9	1563.7	1200	1200
2023-12-01	1564.9	1563.7	1200	1200
2023-11-01	1564.9	1563.7	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	UJ @20 Years Chess Championship 2025 (Open)	2025-08-02	2025-08-02	Standard	Johannesburg Metro (GJM)	5	4	2.5	Yes	Analysis
2	Eureka Chess Open 26 July 2025 (A)	2025-07-26	2025-07-26	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
3	2025 The ELM Zone 7 Community Library Chess Tournament (A)	2025-07-11	2025-07-11	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
4	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	10	6.5	Yes	Analysis
5	South African Open 2025 (Blitz)	2025-07-02	2025-07-02	Blitz	Johannesburg Metro (GJM)	9	9	6	Yes	Analysis
6	LS Vryheidsmonument Chess Open 21 Jun 2025 (A)	2025-06-21	2025-06-21	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
7	Moja Chess Extravaganza 2025 (C)	2025-04-26	2025-05-01	Standard	Johannesburg Metro (GJM)	9	9	6.5	Yes	Analysis
8	Moja Chess Extravaganza 2025 (Blitz)	2025-04-26	2025-04-26	Blitz	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
9	Chess Power House March Open 2025 (B)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
10	UJ Scholars 1st Edition 2025 (Open)	2025-03-15	2025-03-15	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
11	Ekurhuleni/Springs Open 025 (A)	2025-02-22	2025-02-22	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	UJ @20 Years Chess Championship 2025 (Open)	2025-08-02	2025-08-02	Standard	Johannesburg Metro (GJM)	5	4	2.5	Yes	Analysis
2	Eureka Chess Open 26 July 2025 (A)	2025-07-26	2025-07-26	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
3	2025 The ELM Zone 7 Community Library Chess Tournament (A)	2025-07-11	2025-07-11	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
4	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	10	6.5	Yes	Analysis
5	South African Open 2025 (Blitz)	2025-07-02	2025-07-02	Blitz	Johannesburg Metro (GJM)	9	9	6	Yes	Analysis
6	LS Vryheidsmonument Chess Open 21 Jun 2025 (A)	2025-06-21	2025-06-21	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
7	Moja Chess Extravaganza 2025 (C)	2025-04-26	2025-05-01	Standard	Johannesburg Metro (GJM)	9	9	6.5	Yes	Analysis
8	Moja Chess Extravaganza 2025 (Blitz)	2025-04-26	2025-04-26	Blitz	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
9	Chess Power House March Open 2025 (B)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
10	UJ Scholars 1st Edition 2025 (Open)	2025-03-15	2025-03-15	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
11	Ekurhuleni/Springs Open 025 (A)	2025-02-22	2025-02-22	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
12	Evaton #Bossoya Chess Rapid 09 Nov 2024 (A)	2024-11-09	2024-11-09	Rapid	Sedibeng (GSV)	6	6	3	Yes	Analysis
13	Midvaal Winter Classic 13 July 2024 (A)	2024-07-13	2024-07-13	Rapid	Sedibeng (GSV)	7	6	3	Yes	Analysis
14	Rapid Vaal Chess Event - Sedibeng Chess 16 June 2024 (U35)	2024-06-16	2024-06-16	Rapid	Sedibeng (GSV)	5	5	4	Yes	Analysis
15	Hoerskool Overvaal Chess Open 2024 (A)	2024-04-20	2024-04-20	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis
16	Laerskool Midvaal Chess Open Section 2024 (A)	2024-02-10	2024-02-10	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis
17	Queens Gambit Chess Open 2023 (A)	2023-11-25	2023-11-25	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
18	NWU Vaal Open 2023 (A)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
19	Fonteine Chess Open 2023 (A)	2023-09-02	2023-09-02	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
20	2023 Gauteng Top Schools (U17 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
21	2023 Sedibeng West District Schools Chess Tournament (U17+U19)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
22	Eureka Open 2023 (C)	2023-07-29	2023-07-29	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
23	D8 Schools Individuals 2023 (U18 Boys)	2023-05-20	2023-05-20	Standard	West Rand (GWR)	5	5	5	Yes	Analysis
24	Valia's Chess Tournament 2023 (B)	2023-05-06	2023-05-06	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
25	Driehoek Open Chess Tournament 2023 (B)	2023-05-13	2023-05-13	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis
26	Gauteng Schools Individual Finals 2023 (U18 Boys)	2023-05-27	2023-05-27	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
27	Overvaal Open 2023 (C)	2023-04-15	2023-04-15	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
28	2022 Gauteng Schools Individual Chess Championship (U18 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
29	2019 Gauteng Primary Schools Individual Chess Championships (U13 Boys)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
30	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	Mittermaier ,G (Gunther)	2	2	425	2	2	425	0	0	0	0	0	0
5	Mittermaier ,G (Gunther)	2	1378.2	1803.2	2	1337.3	1803.2	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	Spamers ,V (Vinaldo)	2	2	425	2	2	425	0	0	0	0	0	0
7	Spamers ,V (Vinaldo)	2	1375.7	1800.7	2	1364.8	1800.7	0	0	0	0	0	0
8	Karsten ,K (Keagan)	2	2	425	2	2	425	0	0	0	0	0	0
8	Karsten ,K (Keagan)	2	1440	1865	2	1403.2	1865	0	0	0	0	0	0
9	Phiri ,L (Lehlohonolo)	2	2	425	1	1	425	1	1	425	0	0	0
9	Phiri ,L (Lehlohonolo)	2	1228.4	1653.4	1	1244.3	1653.4	1	1200	1653.4	0	0	0
10	Ngwane ,N (Ndabenhle)	2	2	425	1	1	425	1	1	425	0	0	0
10	Ngwane ,N (Ndabenhle)	2	1499.6	1924.6	1	1403.3	1924.6	1	1225.6	1924.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Mini, S (Siboniso)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms