Chess South Africa Ratings Database

PLAYER PAGE

Personal

Moustakis, C (Costa)

Chess SA id

108085070

FIDE id

Date of birth

2008-11-21 (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

1481.7

Item	Main	Standard	Rapid	Blitz
Rating	1514.4	1510.1	1164.5	569
Raw rating	1514.4	1510.1	1089.2	569
Weighted rating	1484.4	1483.4	975.6	569
Weighted performance	1405.9	1359.1	1164.5	0
Floor	1014.4	1010.1	589.2	500
K-factor	32	32	40	40
Min/Max rating change allowed	106	106.6	194.2	407.4
Highest rating	1514.4 2025-09-01	1510.1 2025-01-01	1303.9 2024-03-01	1200 2024-02-01
Highest raw rating	1514.4 2025-09-01	1510.1 2025-01-01	1089.2 2025-09-01	569 2024-02-01
Highest weighted rating	1479.6 2025-09-01	1473.8 2025-08-01	1002.8 2024-11-01	569 2024-11-01
Highest weighted performance	1512.9 2025-01-01	1497.1 2025-01-01	1303.9 2024-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-0.5	0
New rating	1514.4	1510.1	1164	569
Analysis
Rating	1514.4	1510.1	1164.5	569
Raw rating	1514.4	1510.1	1089.2	569
Weighted rating	1484.4	1483.4	975.6
Weighted performance	1405.9	1359.1	1164.5
K-factor	32	32	40	40
Floor	1014.4	1010.1	589.2	500
Max/Min rating change allowed	106	106.6	194.2	407.4
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	1514.4	1510.1	1089.2	569
New weighted rating	1488.7	1487.6	991.7	569
New weighted performance	1405.3	1358.5	1164	0
Temp new rating	1514.4	1510.1	1164	569
Temp new rating +/-	0	0	-0.5	0
Final new rating +/-	0	0	-0.5	0
New rating	1514.4	1510.1	1164	569
New K-factor	32	32	40	40
New floor	1014.4	1010.1	589.2	500

Item	Main	Standard	Rapid
	0	0	0
	4	0	4
	64	41	23
	4	4	0
	0	0	0
	0	0	0
History	199	172	27

Games since
	Main 68	Standard 41		Rapid 27		Blitz 0
Gender	Male
Age group	U18
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1154		404		136
Male	1001		343		116
U18	191		66		18
U18 Male	170		57		14
Standard
	RSA		Province		Region
Overall	1105		410		139
Male	945		345		117
U18	184		70		19
U18 Male	162		60		15
Rapid
	RSA		Province		Region
Overall	1775		287		118
Male	1344		219		101
U18	217		41		13
U18 Male	182		35		13
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	4	3	75	212.5	1329	1541.5
Standard	0	0	0	0	0	0
Rapid	4	3	75	212.5	1329	1541.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	178	113.5	63.76	117	1218.3	1335.3
Standard	151	98.5	65.23	129.5	1185.8	1315.3
Rapid	27	15	55.56	47.2	1399.9	1447.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1514.4	1510.1	1089.2	569
2025-09-01	1514.4	1510.1	1089.2	569
2025-08-01	1508.5	1510.1	1002.8	569
2025-07-01	1508.5	1510.1	1002.8	569
2025-06-01	1508.5	1510.1	1002.8	569
2025-05-01	1508.5	1510.1	1002.8	569
2025-04-01	1508.5	1510.1	1002.8	569
2025-03-01	1508.5	1510.1	1002.8	569
2025-02-01	1508.5	1510.1	1002.8	569
2025-01-01	1508.5	1510.1	1002.8	569
2024-12-01	1459.2	1455.4	1002.8	569
2024-11-01	1459.2	1455.4	1002.8	569
2024-10-01	1459.2	1455.4	1002.8	569
2024-09-01	1459.2	1455.4	1002.8	569
2024-08-01	1412.6	1406.8	1002.8	569
2024-07-01	1402.2	1406.8	880.4	569
2024-06-01	1414.8	1409.4	765	569
2024-08-01	1467.4	1474	765	569
2024-04-01	1431.5	1428.6	765	569
2024-03-01	1403.3	1401.4	645.8	569
2024-02-01	1407.5	1401.4	569	569
2024-01-01	1390.1	1380.5	569	569
2023-12-01	1390.1	1380.5	569	569
2023-11-01	1390.1	1380.5	569	569

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	4	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	4	3	Yes	Analysis
2	Mzansi Interprovincial Youth Chess Championships 2024 (U18 Open Combined)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	4.5	Yes	Analysis
3	Gauteng Inter-Region at UJ 2024 (U18 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	JMC Closed 2024 (C)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
5	JMC NG Weltevreden Church 2024	2024-06-29	2024-06-29	Rapid	Johannesburg Metro (GJM)	7	7	3.5	Yes	Analysis
6	JCC SAHETI High Schools League Round Robin 2024	2024-05-20	2024-06-10	Rapid	Johannesburg Metro (GJM)	7	6	3	Yes	Analysis
7	JMC Trinityhouse Little Falls 2024 (B)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
8	Chess Power House May Open 2024 (B)	2024-05-25	2024-05-25	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
9	Westwood Open 2024 (A)	2024-04-13	2024-04-13	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
10	CPH St Andrew's Rapid 2024 (A)	2024-03-30	2024-03-30	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
11	1st Knights Open Tournament 2024 (B)	2024-03-23	2024-03-23	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
12	Gear Up Mzansi Rapid 2024 (Advanced)	2024-02-17	2024-02-17	Rapid	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
13	2024 Gauteng Inter-Region Chess Championship (U16C)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
14	St Peters College Chess League 2023 (A)	2023-09-11	2023-10-23	Standard	Johannesburg Metro (GJM)	6	4	2.5	Yes	Analysis
15	2019 South African Junior Team Championships (U12A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	5.5	Yes	Analysis
16	GoForChess Junior Championships 2019 (U12)	2019-11-16	2019-11-16	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
17	GJM vs GE Inter Region 2019 (U12D)	2019-10-05	2019-10-05	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
18	JNW Club - Helpmekaar Kollege Open 2019 (C)	2019-07-06	2019-07-06	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
19	JHB Metro Closed 2019 (U12)	2019-07-27	2019-07-28	Standard	Johannesburg Metro (GJM)	6	6	5	Yes	Analysis
20	Fonties Challange 2019 (U13)	2019-06-08	2019-06-08	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
21	The Metro Open 2019 (Masters)	2019-05-25	2019-05-26	Standard	Johannesburg Metro (GJM)	6	6	3.5	Yes	Analysis
22	JNW Club - Bryanston Open 2 2019 (C)	2019-05-11	2019-05-11	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
23	South African Junior Team Championships 2018 (U12D)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
24	Inter Region GE vs JHB Metro 2018 (U12C)	2018-10-06	2018-10-06	Standard	Ekurhuleni (GE)	5	4	4	Yes	Analysis
25	GoForChess Saheti Junior Chess Championships 2018 (U12-U16)	2018-09-22	2018-09-22	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
26	GoForChess Curro Online Rated 2018 (U12)	2018-09-02	2018-09-02	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
27	Chessnuts - Under 1000 Ratings Tournament 2018 (A)	2018-07-21	2018-07-21	Standard	Johannesburg Metro (GJM)	5	4	1.5	Yes	Analysis
28	JHB Metro Junior Closed 2018 (U12)	2018-07-28	2018-07-29	Standard	Johannesburg Metro (GJM)	6	6	2.5	Yes	Analysis
29	GoForChess Grayston Junior Chess Championship 2018 (U12)	2018-06-10	2018-06-10	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
30	British International Prep/Chessnuts 2018 (U12)	2018-06-23	2018-06-23	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
31	JNW Club - Bryanston Open 2 2018 (C)	2018-05-05	2018-05-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
32	The Outpost Chess Club Open 2018 (Development)	2018-03-17	2018-03-17	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
33	GoForChess Introduction To Chess Tournament 2018	2018-03-25	2018-03-25	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
34	JCC Wits 2018 (Development)	2018-02-25	2018-02-25	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis

#	Games	Start				End
1	7	Tournament Gauteng Inter-Region at UJ 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-12-07	rnd 1	type Standard	result 1	date 2024-12-16	rnd 2	type Standard	result 1
		Opponent Visi, M (Moloko)				Opponent Mohlala, T (Tshepang)
2	7	Tournament JHB Metro Closed 2019				Tournament GJM vs GE Inter Region 2019
		date 2019-07-28	rnd 4	type Standard	result 1	date 2019-10-05	rnd 4	type Standard	result 1
		Opponent Van Zyl, B (Benjamin)				Opponent De Swardt, C (Chrizander)
3	7	Tournament JHB Metro Junior Closed 2018				Tournament GoForChess Curro Online Rated 2018
		date 2018-07-29	rnd 4	type Standard	result 1	date 2018-09-02	rnd 4	type Standard	result 1
		Opponent Bopape, N (Ntlhane)				Opponent Zheng, Z (Zing)

#	Games	Start				End
1	7	Tournament Gauteng Inter-Region at UJ 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-12-07	rnd 1	type Standard	result 1	date 2024-12-16	rnd 2	type Standard	result 1
		Opponent Visi, M (Moloko)				Opponent Mohlala, T (Tshepang)
2	7	Tournament JHB Metro Closed 2019				Tournament GJM vs GE Inter Region 2019
		date 2019-07-28	rnd 4	type Standard	result 1	date 2019-10-05	rnd 4	type Standard	result 1
		Opponent Van Zyl, B (Benjamin)				Opponent De Swardt, C (Chrizander)
3	7	Tournament JHB Metro Junior Closed 2018				Tournament GoForChess Curro Online Rated 2018
		date 2018-07-29	rnd 4	type Standard	result 1	date 2018-09-02	rnd 4	type Standard	result 1
		Opponent Bopape, N (Ntlhane)				Opponent Zheng, Z (Zing)

#	Games	Start				End
1	4	Tournament Gear Up Mzansi Rapid 2024				Tournament CPH St Andrew's Rapid 2024
		date 2024-02-17	rnd 3	type Rapid	result 1	date 2024-03-30	rnd 1	type Rapid	result 1
		Opponent Pillay, N (Nico)				Opponent Govender, P (Preshan)
2	3	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JMC NG Weltevreden Church 2024
		date 2024-06-10	rnd 6	type Rapid	result 1	date 2024-06-29	rnd 1	type Rapid	result 1
		Opponent Doherty, F (Felix)				Opponent Govender, S (Shayan)
3	2	Tournament JCC - SAHETI Chess League 2025				Tournament JCC - SAHETI Chess League 2025
		date 2025-05-12	rnd 1	type Rapid	result 1	date 2025-05-19	rnd 2	type Rapid	result 1
		Opponent Latchmiah, I (Ilan)				Opponent Woldeyohanes, K (Kirubel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament JHB Metro Closed 2019				Tournament GJM vs GE Inter Region 2019
		date 2019-07-28	rnd 4	type Standard	result 1	date 2019-10-05	rnd 4	type Standard	result 1
		Opponent Van Zyl, B (Benjamin)				Opponent De Swardt, C (Chrizander)
2	5	Tournament Fonties Challange 2019				Tournament JNW Club - Helpmekaar Kollege Open 2019
		date 2019-06-08	rnd 3	type Standard	result 1	date 2019-07-06	rnd 2	type Standard	result 1
		Opponent Rai, T (Tripti)				Opponent Olivier, N (Nico)
3	5	Tournament JNW Club - Bryanston Open 2 2019				Tournament The Metro Open 2019
		date 2019-05-11	rnd 2	type Standard	result 1	date 2019-05-25	rnd 1	type Standard	result 1
		Opponent Greef, J (Janus)				Opponent Maharaj, A (Anaamika)

#	Games	Start				End
1	7	Tournament JHB Metro Closed 2019				Tournament GJM vs GE Inter Region 2019
		date 2019-07-28	rnd 4	type Standard	result 1	date 2019-10-05	rnd 4	type Standard	result 1
		Opponent Van Zyl, B (Benjamin)				Opponent De Swardt, C (Chrizander)
2	5	Tournament Fonties Challange 2019				Tournament JNW Club - Helpmekaar Kollege Open 2019
		date 2019-06-08	rnd 3	type Standard	result 1	date 2019-07-06	rnd 2	type Standard	result 1
		Opponent Rai, T (Tripti)				Opponent Olivier, N (Nico)
3	5	Tournament JNW Club - Bryanston Open 2 2019				Tournament The Metro Open 2019
		date 2019-05-11	rnd 2	type Standard	result 1	date 2019-05-25	rnd 1	type Standard	result 1
		Opponent Greef, J (Janus)				Opponent Maharaj, A (Anaamika)

#	Games	Start				End
1	3	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JMC NG Weltevreden Church 2024
		date 2024-06-10	rnd 6	type Rapid	result 1	date 2024-06-29	rnd 1	type Rapid	result 1
		Opponent Doherty, F (Felix)				Opponent Govender, S (Shayan)
2	2	Tournament JCC - SAHETI Chess League 2025				Tournament JCC - SAHETI Chess League 2025
		date 2025-05-12	rnd 1	type Rapid	result 1	date 2025-05-19	rnd 2	type Rapid	result 1
		Opponent Latchmiah, I (Ilan)				Opponent Woldeyohanes, K (Kirubel)
3	2	Tournament CPH St Andrew's Rapid 2024				Tournament CPH St Andrew's Rapid 2024
		date 2024-03-30	rnd 3	type Rapid	result 1	date 2024-03-30	rnd 4	type Rapid	result 1
		Opponent Sithole, B (Brendel)				Opponent Marcon, A (Alessio Ricardo)

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	Steyn ,T (Tjaart)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
1	Steyn ,T (Tjaart)	3	1181.5	898.1	3	1141.7	898.1	0	0	0	0	0	0
2	Barnes ,J (Jock)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Barnes ,J (Jock)	3	949.4	1091.1	3	945.7	1091.1	0	0	0	0	0	0
3	Deysel ,K (Kaleb)	3	0.5	-283.3	2	0	-425	1	0.5	0	0	0	0
3	Deysel ,K (Kaleb)	3	1531.5	1248.2	2	1449.1	1106.5	1	1292.5	1531.5	0	0	0
4	Maharaj ,A (Anaamika)	3	1.5	0	2	1	0	1	0.5	0	0	0	0
4	Maharaj ,A (Anaamika)	3	1327	1327	2	1303	1327	1	1218.8	1327	0	0	0
5	Greef ,J (Janus)	2	2	425	2	2	425	0	0	0	0	0	0
5	Greef ,J (Janus)	2	1077.9	1502.9	2	1068.7	1502.9	0	0	0	0	0	0
6	Sithebe ,S (Smangaliso)	2	2	425	2	2	425	0	0	0	0	0	0
6	Sithebe ,S (Smangaliso)	2	996.3	1421.3	2	1023.4	1421.3	0	0	0	0	0	0
7	Nwafor ,B (Blessing)	2	2	425	2	2	425	0	0	0	0	0	0
7	Nwafor ,B (Blessing)	2	1115.7	1540.7	2	1097.9	1540.7	0	0	0	0	0	0
8	Spamers ,V (Vianey)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Spamers ,V (Vianey)	2	1093.6	668.6	2	1100.7	668.6	0	0	0	0	0	0
9	Ndlovu ,A (Aphiwe)	2	2	425	2	2	425	0	0	0	0	0	0
9	Ndlovu ,A (Aphiwe)	2	1183.9	1608.9	2	1179.9	1608.9	0	0	0	0	0	0
10	Ndhlovu ,A (Aphiwe)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
10	Ndhlovu ,A (Aphiwe)	2	1240.3	1027.8	2	1237.1	1027.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Moustakis, C (Costa)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms