Chess South Africa Ratings Database

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Personal

Balassis, P (Petro)

Chess SA id

1080109892

FIDE id

Date of birth

2008-07-27 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1423.4	1398.1	1296	1236.8
Raw rating	1415.3	1398.1	1296	1236.8
Weighted rating	1423.4	1396.8	1291.6	1236.8
Weighted performance	1151.6	1089.7	0	0
Floor	931.1	920.9	798	736.8
K-factor	32	32	36	36
Min/Max rating change allowed	122	125	144.6	157.3
Highest rating	1445.7 2022-07-01	1436.3 2022-07-01	1298 2024-07-01	1378.3 2023-06-01
Highest raw rating	1431.1 2023-01-01	1420.9 2022-08-01	1298 2024-07-01	1236.8 2024-02-01
Highest weighted rating	1423.3 2025-09-01	1395 2025-08-01	1290.2 2025-09-01	1236.8 2025-05-05
Highest weighted performance	1445.7 2022-07-01	1436.3 2022-07-01	1297.5 2023-05-01	1378.3 2023-06-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.1	0	0	0
New rating	1423.2	1398.1	1296	1236.8
Analysis
Rating	1423.4	1398.1	1296	1236.8
Raw rating	1415.3	1398.1	1296	1236.8
Weighted rating	1423.4	1396.8	1291.6
Weighted performance	1151.6	1089.7	0
K-factor	32	32	36	36
Floor	931.1	920.9	798	736.8
Max/Min rating change allowed	122	125	144.6	157.3
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	1415.3	1398.1	1296	1236.8
New weighted rating	1423.2	1397.5	1292.8	1236.8
New weighted performance	1151.1	1089.2	0	0
Temp new rating	1423.2	1398.1	1296	1236.8
Temp new rating +/-	-0.1	0	0	0
Final new rating +/-	-0.1	0	0	0
New rating	1423.2	1398.1	1296	1236.8
New K-factor	32	32	36	36
New floor	931.1	920.9	798	736.8

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	5	0	5	0
	10	5	5	0
	37	25	5	7
	49	49	0	0
	15	10	5	0
History	145	118	20	7

Games since
	Main 15	Standard 5		Rapid 10		Blitz 0
Gender	Male
Age group	U18
Region	Johannesburg Metro (GJM)
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	5	3	60	85	1263.3	1348.3
Standard	0	0	0	0	0	0
Rapid	5	3	60	85	1263.3	1348.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	145	89	61.38	96.7	1278.6	1375.3
Standard	118	71	60.17	86.4	1265.3	1351.7
Rapid	20	14	70	170	1309.8	1479.8
Blitz	7	4	57.14	60.7	1413.5	1474.2

Date	Main	Standard	Rapid	Blitz
2025-09-30	1415.3	1398.1	1296	1236.8
2025-09-01	1415.3	1398.1	1296	1236.8
2025-08-01	1427	1398.1	1298	1236.8
2025-07-01	1427	1398.1	1298	1236.8
2025-06-01	1427	1398.1	1298	1236.8
2025-05-01	1427	1398.1	1298	1236.8
2025-04-01	1427	1398.1	1298	1236.8
2025-03-01	1427	1398.1	1298	1236.8
2025-02-01	1427	1398.1	1298	1236.8
2025-01-01	1427	1398.1	1298	1236.8
2024-12-01	1427	1398.1	1298	1236.8
2024-11-01	1427	1398.1	1298	1236.8
2024-10-01	1427	1398.1	1298	1236.8
2024-09-01	1427	1398.1	1298	1236.8
2024-08-01	1427	1398.1	1298	1236.8
2024-07-01	1427	1398.1	1298	1236.8
2024-06-01	1421.1	1398.1	1247.2	1236.8
2024-08-01	1421.1	1398.1	1247.2	1236.8
2024-04-01	1421.1	1398.1	1247.2	1236.8
2024-03-01	1421.1	1398.1	1247.2	1236.8
2024-02-01	1421.1	1398.1	1247.2	1236.8
2024-01-01	1365.8	1333.8	1247.2	1236.8
2023-12-01	1365.8	1333.8	1247.2	1236.8
2023-11-01	1365.8	1333.8	1247.2	1236.8

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	JCC - SAHETI Chess League 2025	2025-05-12	2025-06-09	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JCC - SAHETI Chess League 2025	2025-05-12	2025-06-09	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	JCC SAHETI High Schools League Round Robin 2024	2024-05-20	2024-06-10	Rapid	Johannesburg Metro (GJM)	7	5	4	Yes	Analysis
3	2024 Gauteng Inter-Region Chess Championship (U16B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
4	St Peters College Chess League 2023 (A)	2023-09-11	2023-10-23	Standard	Johannesburg Metro (GJM)	6	5	2	Yes	Analysis
5	JMC Closed Aug 2023 (U16)	2023-08-04	2023-08-06	Standard	Johannesburg Metro (GJM)	6	5	2.5	Yes	Analysis
6	JMC Trinity Little Falls 2023 (B)	2023-07-02	2023-07-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	JMC Blitz - Higher Ground 2023	2023-06-17	2023-06-17	Blitz	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
8	GoForChess Junior Chess Championship 2023 (Senior)	2023-06-10	2023-06-10	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
9	Gauteng Open Arnold Classic 2023 (U16)	2023-05-19	2023-05-19	Rapid	Tshwane (GTP)	5	5	4	Yes	Analysis
10	JMC 1 St Peters 2023 (B)	2023-03-18	2023-03-18	Standard	Johannesburg Metro (GJM)	5	5	0.5	Yes	Analysis
11	2022 South African Junior Team Chess Championships (U16 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
12	JMC 3rd Trials 2022 (B)	2022-09-11	2022-09-11	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
13	UJ Fundraising Tournament 2022 (B)	2022-08-13	2022-08-13	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
14	JMC 2nd Trials 2022 (B)	2022-08-27	2022-08-27	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
15	South African Open 2022 (U16)	2022-07-11	2022-07-13	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
16	JMC Trials 1 - Laerskool Fontainebleau 2022 (U16+U18)	2022-07-24	2022-07-24	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
17	Mzansi Open 2022 (Young Masters)	2022-04-30	2022-05-01	Standard	Johannesburg Metro (GJM)	6	6	3.5	Yes	Analysis
18	Goforchess Junior Championship 2022 (Saheti)	2022-03-05	2022-03-05	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
19	2022 Gauteng Interregion (U14 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
20	JMC Bryanston 2021 (C)	2021-11-06	2021-11-06	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
21	JMC Everest 2021 (C)	2021-10-30	2021-10-30	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
22	JMC Helpmekaar 2021 (U14)	2021-09-06	2021-09-06	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
23	Goforchess Junior Chess Championship 2 2020	2020-11-29	2020-11-29	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
24	Goforchess Junior Chess Championship 1 2020	2020-11-08	2020-11-08	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
25	GoForChess Junior Championships 2019 (U12)	2019-11-16	2019-11-16	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
26	The Joburg Open 2019 (Rising Stars)	2019-10-12	2019-10-12	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
27	GoForChess SAHETI Introduction To Chess 2019 (A)	2019-04-06	2019-04-06	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
28	GoForChess - Introduction to chess tournament 2019	2019-02-10	2019-02-10	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis

#	Games	Start				End
1	6	Tournament South African Open 2022				Tournament JMC Trials 1 - Laerskool Fontainebleau 2022
		date 2022-07-12	rnd 3	type Standard	result 1	date 2022-07-24	rnd 2	type Standard	result 1
		Opponent Nyandebvu, M (Mannasseh)				Opponent Fragoso, TD (Tshegofatso)
2	6	Tournament GoForChess - Introduction to chess tournament 2019				Tournament GoForChess SAHETI Introduction To Chess 2019
		date 2019-02-10	rnd 3	type Standard	result 1	date 2019-04-06	rnd 3	type Standard	result 1
		Opponent Tzitzivacos, B (Basili)				Opponent Deysel, K (Kaleb)
3	5	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-14	rnd 5	type Standard	result 1
		Opponent Myburgh, X (Xuan)				Opponent Meyer, J (Jared)

#	Games	Start				End
1	6	Tournament South African Open 2022				Tournament JMC Trials 1 - Laerskool Fontainebleau 2022
		date 2022-07-12	rnd 3	type Standard	result 1	date 2022-07-24	rnd 2	type Standard	result 1
		Opponent Nyandebvu, M (Mannasseh)				Opponent Fragoso, TD (Tshegofatso)
2	6	Tournament GoForChess - Introduction to chess tournament 2019				Tournament GoForChess SAHETI Introduction To Chess 2019
		date 2019-02-10	rnd 3	type Standard	result 1	date 2019-04-06	rnd 3	type Standard	result 1
		Opponent Tzitzivacos, B (Basili)				Opponent Deysel, K (Kaleb)
3	5	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-14	rnd 5	type Standard	result 1
		Opponent Myburgh, X (Xuan)				Opponent Meyer, J (Jared)

#	Games	Start				End
1	4	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-05-20	rnd 2	type Rapid	result 1	date 2024-06-10	rnd 7	type Rapid	result 1
		Opponent Zhou, K (Kevin)				Opponent Oudmayer, R (Raz)
2	3	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 1	type Rapid	result 1	date 2023-05-19	rnd 3	type Rapid	result 1
		Opponent Horak, E (Ethan)				Opponent Bothma, J (Jaculene)
3	3	Tournament JMC Helpmekaar 2021				Tournament JMC Helpmekaar 2021
		date 2021-09-06	rnd 2	type Rapid	result 1	date 2021-09-06	rnd 4	type Rapid	result 1
		Opponent Barradas, K (Keanu)				Opponent Horn, E (Evan)

#	Games	Start				End
1	2	Tournament JMC Blitz - Higher Ground 2023				Tournament JMC Blitz - Higher Ground 2023
		date 2023-06-17	rnd 5	type Blitz	result 1	date 2023-06-17	rnd 6	type Blitz	result 1
		Opponent Mohamed, A (Aram)				Opponent Rossouw, W (Wessel Johannes)
2	1	Tournament JMC Blitz - Higher Ground 2023				Tournament JMC Blitz - Higher Ground 2023
		date 2023-06-17	rnd 3	type Blitz	result 1	date 2023-06-17	rnd 3	type Blitz	result 1
		Opponent Wang, H (Henry)				Opponent Wang, H (Henry)
3	1	Tournament JMC Blitz - Higher Ground 2023				Tournament JMC Blitz - Higher Ground 2023
		date 2023-06-17	rnd 1	type Blitz	result 1	date 2023-06-17	rnd 1	type Blitz	result 1
		Opponent Whittaker, L (Lillian)				Opponent Whittaker, L (Lillian)

#	Games	Start				End
1	5	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-14	rnd 5	type Standard	result 1
		Opponent Myburgh, X (Xuan)				Opponent Meyer, J (Jared)
2	4	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-05-20	rnd 2	type Rapid	result 1	date 2024-06-10	rnd 7	type Rapid	result 1
		Opponent Zhou, K (Kevin)				Opponent Oudmayer, R (Raz)
3	4	Tournament 2022 South African Junior Team Chess Championships				Tournament 2022 South African Junior Team Chess Championships
		date 2022-12-06	rnd 4	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 1
		Opponent Sera, G (Galaletsang)				Opponent Burger, C (Christiaan Theunis)

#	Games	Start				End
1	5	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-14	rnd 5	type Standard	result 1
		Opponent Myburgh, X (Xuan)				Opponent Meyer, J (Jared)
2	4	Tournament 2022 South African Junior Team Chess Championships				Tournament 2022 South African Junior Team Chess Championships
		date 2022-12-06	rnd 4	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 1
		Opponent Sera, G (Galaletsang)				Opponent Burger, C (Christiaan Theunis)
3	4	Tournament Goforchess Junior Chess Championship 2 2020				Tournament JMC Everest 2021
		date 2020-11-29	rnd 4	type Standard	result 1	date 2021-10-30	rnd 2	type Standard	result 1
		Opponent Naidoo, A (Arianna)				Opponent Maharaj, A (Arya)

#	Games	Start				End
1	4	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-05-20	rnd 2	type Rapid	result 1	date 2024-06-10	rnd 7	type Rapid	result 1
		Opponent Zhou, K (Kevin)				Opponent Oudmayer, R (Raz)
2	3	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 1	type Rapid	result 1	date 2023-05-19	rnd 3	type Rapid	result 1
		Opponent Horak, E (Ethan)				Opponent Bothma, J (Jaculene)
3	3	Tournament JMC Helpmekaar 2021				Tournament JMC Helpmekaar 2021
		date 2021-09-06	rnd 2	type Rapid	result 1	date 2021-09-06	rnd 4	type Rapid	result 1
		Opponent Barradas, K (Keanu)				Opponent Horn, E (Evan)

#	Games	Start				End
1	2	Tournament JMC Blitz - Higher Ground 2023				Tournament JMC Blitz - Higher Ground 2023
		date 2023-06-17	rnd 5	type Blitz	result 1	date 2023-06-17	rnd 6	type Blitz	result 1
		Opponent Mohamed, A (Aram)				Opponent Rossouw, W (Wessel Johannes)
2	1	Tournament JMC Blitz - Higher Ground 2023				Tournament JMC Blitz - Higher Ground 2023
		date 2023-06-17	rnd 3	type Blitz	result 1	date 2023-06-17	rnd 3	type Blitz	result 1
		Opponent Wang, H (Henry)				Opponent Wang, H (Henry)
3	1	Tournament JMC Blitz - Higher Ground 2023				Tournament JMC Blitz - Higher Ground 2023
		date 2023-06-17	rnd 1	type Blitz	result 1	date 2023-06-17	rnd 1	type Blitz	result 1
		Opponent Whittaker, L (Lillian)				Opponent Whittaker, L (Lillian)

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	Voigt ,H (Heinrich)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
1	Voigt ,H (Heinrich)	3	1272.9	1272.9	3	1254.8	1272.9	0	0	0	0	0	0
2	Deysel ,K (Kaleb)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Deysel ,K (Kaleb)	3	1205.6	1063.9	3	1191.6	1063.9	0	0	0	0	0	0
3	Maharaj ,A (Arya)	3	3	425	3	3	425	0	0	0	0	0	0
3	Maharaj ,A (Arya)	3	1150.1	1575.1	3	1128.7	1575.1	0	0	0	0	0	0
4	Voigt ,D (Daniel)	3	2	141.7	2	1	0	1	1	425	0	0	0
4	Voigt ,D (Daniel)	3	1360.3	1502	2	1377.1	1360.3	1	918.2	1785.3	0	0	0
5	Mungal ,E (Ethan)	2	1	0	2	1	0	0	0	0	0	0	0
5	Mungal ,E (Ethan)	2	1230.4	1230.4	2	1215.9	1230.4	0	0	0	0	0	0
6	Joseph ,J (Jamie)	2	2	425	2	2	425	0	0	0	0	0	0
6	Joseph ,J (Jamie)	2	1264.1	1689.1	2	1266	1689.1	0	0	0	0	0	0
7	Mlambo ,I (Ishmael)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Mlambo ,I (Ishmael)	2	1392.3	967.3	2	1408.2	967.3	0	0	0	0	0	0
8	Mesele ,O (Oboitshepo)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Mesele ,O (Oboitshepo)	2	1284.3	859.3	2	1278.3	859.3	0	0	0	0	0	0
9	John ,D (Dario)	2	2	425	2	2	425	0	0	0	0	0	0
9	John ,D (Dario)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
10	Roetz ,K (Kyle)	2	1	0	2	1	0	0	0	0	0	0	0
10	Roetz ,K (Kyle)	2	1271.4	1271.4	2	1257.6	1271.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Balassis, P (Petro)

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Last 24 raw ratings

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Top 3 Streaks

Top 10 opponents most often played

Norms