Chess South Africa Ratings Database

PLAYER PAGE

Personal

Adonis, J (Jermaine)

Chess SA id

1090157817

FIDE id

Date of birth

2009-08-08 (U18)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

19.7

Junior GPX Points

1089.9

Item	Main	Standard	Rapid	Blitz
Rating	1328.5	1281.4	1321.5	1200
Raw rating	1301.7	1280	1297.8	1200
Weighted rating	1328.5	1281.4	1321.5	1200
Weighted performance	1182.1	1129.9	1214.1	0
Floor	851	796.5	861.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	143.5	148	144.2	165.8
Highest rating	1355.3 2024-11-01	1464.1 2023-06-01	1397.6 2024-11-01	1200 2018-10-01
Highest raw rating	1351 2024-12-01	1296.5 2024-10-01	1361.5 2025-08-01	1200 2024-02-01
Highest weighted rating	1351 2025-05-05	1296.5 2025-05-05	1323.9 2025-08-01	1200 2018-10-01
Highest weighted performance	1355.3 2024-11-01	1464.1 2023-06-01	1397.6 2024-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2	0.3	-1	0
New rating	1326.5	1281.7	1320.5	1200
Analysis
Rating	1328.5	1281.4	1321.5	1200
Raw rating	1301.7	1280	1297.8	1200
Weighted rating	1328.5	1281.4	1321.5
Weighted performance	1182.1	1129.9	1214.1
K-factor	36	36	36	36
Floor	851	796.5	861.5	700
Max/Min rating change allowed	143.5	148	144.2	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	1301.7	1280	1297.8	1200
New weighted rating	1326.5	1281.7	1320.5	1200
New weighted performance	1174.7	1122.5	1206.3	0
Temp new rating	1326.5	1281.7	1320.5	1200
Temp new rating +/-	-2	0.3	-1	0
Final new rating +/-	-2	0.3	-1	0
New rating	1326.5	1281.7	1320.5	1200
New K-factor	36	36	36	36
New floor	851	796.5	861.5	700

Item	Main	Standard	Rapid
	0	0	0
	26	12	14
	43	16	27
	38	14	24
	0	0	0
	0	0	0
History	107	42	65

Games since
	Main 69	Standard 28		Rapid 41		Blitz 0
Gender	Male
Age group	U18
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2978		967		83
Male	2352		729		58
U18	454		130		19
U18 Male	377		101		16
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	935		474		99
Male	768		387		77
U18	117		61		24
U18 Male	104		53		22
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	26	11	42.31	-65.4	1308	1242.6
Standard	12	5	41.67	-70.8	1315.3	1244.5
Rapid	14	6	42.86	-60.7	1301.6	1240.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	107	57.5	53.74	31.8	1288	1319.7
Standard	42	22	52.38	20.2	1317.6	1337.9
Rapid	65	35.5	54.62	39.2	1268.8	1308
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1301.7	1280	1297.8	1200
2025-09-30	1301.7	1280	1297.8	1200
2025-09-01	1301.7	1280	1297.8	1200
2025-08-01	1341.9	1280	1361.5	1200
2025-07-01	1333.1	1279.2	1342.6	1200
2025-06-01	1330.3	1277.2	1342.6	1200
2025-05-01	1331.6	1278.5	1342.6	1200
2025-04-01	1331.1	1278.5	1342.6	1200
2025-03-01	1344.6	1296.5	1342.6	1200
2025-02-01	1351	1296.5	1352.5	1200
2025-01-01	1351	1296.5	1326.3	1200
2024-12-01	1351	1296.5	1326.3	1200
2024-11-01	1349.8	1296.5	1311.5	1200
2024-10-01	1349.8	1296.5	1311.5	1200
2024-09-01	1348.6	1286.4	1311.5	1200
2024-08-01	1330.4	1264.4	1311.5	1200
2024-07-01	1330.4	1264.4	1311.5	1200
2024-09-01	1332.1	1264.4	1319.8	1200
2024-05-01	1293.8	1256.5	1260.8	1200
2024-04-01	1293.8	1256.5	1260.8	1200
2024-03-01	1293.8	1256.5	1260.8	1200
2024-02-01	1313.5	1256.5	1272.3	1200
2024-01-01	1313.5	1256.5	1272.3	1200
2023-12-01	1313.5	1256.5	1272.3	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	Pedro Booyse Top Schools 2025 (U17)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	6	4	0	Yes	Analysis
2	Lower West Coast Top Schools 2025 (U17)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	6	6	4	Yes	Analysis
3	Brenton Cupido West Coast Development Championship 2025 (U17 Boys)	2025-05-24	2025-05-24	Rapid	West Coast (WCU)	5	0	0	No	Analysis
4	West Coast And Mykonos Open 2025 (Advanced)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
5	West Coast Schools Chess Prestige 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
6	Lower West Coast Prestige 2025 (U17 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Pedro Booyse Top Schools 2025 (U17)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	6	4	0	Yes	Analysis
2	Lower West Coast Top Schools 2025 (U17)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	6	6	4	Yes	Analysis
3	Brenton Cupido West Coast Development Championship 2025 (U17 Boys)	2025-05-24	2025-05-24	Rapid	West Coast (WCU)	5	0	0	No	Analysis
4	West Coast And Mykonos Open 2025 (Advanced)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
5	West Coast Schools Chess Prestige 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
6	Lower West Coast Prestige 2025 (U17 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
7	West Coast Grand Challange League 2024 (HS Champions)	2024-10-26	2024-10-26	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
8	West Coast Grand Challange League 2024 (HS Development)	2024-10-26	2024-10-26	Rapid	West Coast (WCU)	5	1	1	Yes	Analysis
9	Western Cape Top Schools Championship 2024 (U15 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	2.5	Yes	Analysis
10	Pedro Booyse Top Schools Championships 2024 (U15)	2024-07-20	2024-07-20	Standard	West Coast (WCU)	5	4	3	Yes	Analysis
11	Western Cape - Brian Raubenheimer Development Tournament 2024 (U15 Boys)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis
12	Brenton Cupido West Coast Schools Championship 2024 (High School)	2024-05-25	2024-05-25	Rapid	West Coast (WCU)	5	4	3	Yes	Analysis
13	West Coast & Mykonos Open 2024 (Open)	2024-05-17	2024-05-19	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
14	Lower West Top Schools 2024 (U15)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	2	2	Yes	Analysis
15	West Coast Schools Chess Prestige Championships 2024 (U15 Boys)	2024-02-24	2024-02-24	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
16	Lower West Coast Schools Chess Prestige 2024 (U15 Boys)	2024-02-17	2024-02-17	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
17	West Coast Primary Schools Grand Challenge League 2023 (High School)	2023-10-21	2023-10-21	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
18	Deep Blue Open 2023 (Elite)	2023-09-16	2023-09-16	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
19	Basil Ellman Rapid 2023 (C)	2023-09-30	2023-09-30	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
20	CW Top Schools 2023 (Intermediate)	2023-08-12	2023-08-12	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
21	Pedro Booyse Top Schools 2023 (High School)	2023-07-29	2023-07-29	Standard	West Coast (WCU)	5	4	2	Yes	Analysis
22	Youth Day 1 2023 (Open)	2023-06-17	2023-06-17	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
23	West Coast Open 2023 (Open)	2023-05-20	2023-06-03	Standard	West Coast (WCU)	5	5	4	Yes	Analysis
24	Lower West Coast Top Schools Championships 2023 (High School)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-08-30	rnd 2	type Standard	result 1
		Opponent Swarts, C (Cleowin)				Opponent Taute, H (Haygon)
2	5	Tournament Lower West Top Schools 2024				Tournament West Coast & Mykonos Open 2024
		date 2024-05-11	rnd 4	type Rapid	result 1	date 2024-05-18	rnd 3	type Standard	result 0.5
		Opponent Ocks, J (Jaydin)				Opponent Love, C (Celine)
3	5	Tournament West Coast Open 2023				Tournament Lower West Coast Top Schools Championships 2023
		date 2023-05-20	rnd 3	type Standard	result 1	date 2023-06-10	rnd 3	type Rapid	result 1
		Opponent Diedericks, T (Teswell)				Opponent Skippers, N (Nigel)

#	Games	Start				End
1	5	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-08-30	rnd 2	type Standard	result 1
		Opponent Swarts, C (Cleowin)				Opponent Taute, H (Haygon)
2	4	Tournament CW Top Schools 2023				Tournament West Coast & Mykonos Open 2024
		date 2023-08-12	rnd 5	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 0.5
		Opponent Bester, E (Emma)				Opponent Love, C (Celine)
3	4	Tournament West Coast Open 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-05-20	rnd 3	type Standard	result 1	date 2023-07-29	rnd 1	type Standard	result 1
		Opponent Diedericks, T (Teswell)				Opponent Victor, A (Aj)

#	Games	Start				End
1	4	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament West Coast Grand Challange League 2024
		date 2024-06-08	rnd 4	type Rapid	result 0.5	date 2024-10-26	rnd 1	type Rapid	result 1
		Opponent Tshiwula, N (Naba)				Opponent Besman, A (Axolile)
2	3	Tournament Brenton Cupido West Coast Schools Championship 2024				Tournament Brenton Cupido West Coast Schools Championship 2024
		date 2024-05-25	rnd 3	type Rapid	result 1	date 2024-05-25	rnd 5	type Rapid	result 1
		Opponent De Bruin, M (Matthew)				Opponent Meyer, D (Dewanio)
3	3	Tournament Lower West Coast Schools Chess Prestige 2024				Tournament Lower West Coast Schools Chess Prestige 2024
		date 2024-02-17	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 1
		Opponent Fortuin, M (Marshall)				Opponent Kruger, H (Herman)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Lower West Top Schools 2024				Tournament West Coast & Mykonos Open 2024
		date 2024-05-11	rnd 4	type Rapid	result 1	date 2024-05-18	rnd 2	type Standard	result 1
		Opponent Ocks, J (Jaydin)				Opponent Visagie, C (Christopher)
2	3	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Swarts, C (Cleowin)				Opponent Van Der Westhuizen, C (Courtney)
3	3	Tournament Brenton Cupido West Coast Schools Championship 2024				Tournament Brenton Cupido West Coast Schools Championship 2024
		date 2024-05-25	rnd 3	type Rapid	result 1	date 2024-05-25	rnd 5	type Rapid	result 1
		Opponent De Bruin, M (Matthew)				Opponent Meyer, D (Dewanio)

#	Games	Start				End
1	4	Tournament West Coast Open 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-05-20	rnd 3	type Standard	result 1	date 2023-07-29	rnd 1	type Standard	result 1
		Opponent Diedericks, T (Teswell)				Opponent Victor, A (Aj)
2	3	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Swarts, C (Cleowin)				Opponent Van Der Westhuizen, C (Courtney)
3	3	Tournament CW Top Schools 2023				Tournament West Coast & Mykonos Open 2024
		date 2023-08-12	rnd 5	type Standard	result 1	date 2024-05-18	rnd 2	type Standard	result 1
		Opponent Bester, E (Emma)				Opponent Visagie, C (Christopher)

#	Games	Start				End
1	3	Tournament Western Cape - Brian Raubenheimer Development Tournament 2024				Tournament West Coast Grand Challange League 2024
		date 2024-06-08	rnd 5	type Rapid	result 1	date 2024-10-26	rnd 1	type Rapid	result 1
		Opponent Harris, E (Emerique)				Opponent Besman, A (Axolile)
2	3	Tournament Brenton Cupido West Coast Schools Championship 2024				Tournament Brenton Cupido West Coast Schools Championship 2024
		date 2024-05-25	rnd 3	type Rapid	result 1	date 2024-05-25	rnd 5	type Rapid	result 1
		Opponent De Bruin, M (Matthew)				Opponent Meyer, D (Dewanio)
3	3	Tournament Deep Blue Open 2023				Tournament Basil Ellman Rapid 2023
		date 2023-09-16	rnd 5	type Rapid	result 1	date 2023-09-30	rnd 2	type Rapid	result 1
		Opponent Siebritz, Y (Yul)				Opponent Visagie, C (Christopher)

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	Visagie ,C (Christopher)	5	2.5	0	2	1	0	3	1.5	0	0	0	0
1	Visagie ,C (Christopher)	5	1409.2	1409.2	2	1401.6	1409.2	3	1349.4	1409.2	0	0	0
2	Afrika ,A (Anver)	5	1	-255	0	0	0	5	1	-255	0	0	0
2	Afrika ,A (Anver)	5	1263.2	1008.2	0	0	0	5	1310.3	1008.2	0	0	0
3	Opperman ,M (Matthew)	3	0	-425	2	0	-425	1	0	-425	0	0	0
3	Opperman ,M (Matthew)	3	1521.4	1096.4	2	1486.1	1096.4	1	1513.1	1096.4	0	0	0
4	Meyer ,D (Dewanio)	3	2	141.7	1	0	-425	2	2	425	0	0	0
4	Meyer ,D (Dewanio)	3	1228	1369.7	1	1184.9	803	2	1249.5	1653	0	0	0
5	Love ,C (Celine)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Love ,C (Celine)	2	1422.7	1210.2	2	1361.2	1210.2	0	0	0	0	0	0
6	Hendricks ,G (Guevante)	2	1	0	1	0	-425	1	1	425	0	0	0
6	Hendricks ,G (Guevante)	2	1279.6	1279.6	1	1244	854.6	1	1350	1704.6	0	0	0
7	Victor ,A (Aj)	2	1	0	1	1	425	1	0	-425	0	0	0
7	Victor ,A (Aj)	2	1205.6	1205.6	1	1097.9	1630.6	1	1227.3	780.6	0	0	0
8	Don ,K (Kyle)	2	2	425	1	1	425	1	1	425	0	0	0
8	Don ,K (Kyle)	2	1359.2	1784.2	1	1325.2	1784.2	1	1363.9	1784.2	0	0	0
9	September ,G (G-Naro)	2	2	425	1	1	425	1	1	425	0	0	0
9	September ,G (G-Naro)	2	1117.7	1542.7	1	1135	1542.7	1	1162.8	1542.7	0	0	0
10	Swarts ,C (Cleowin)	2	2	425	1	1	425	1	1	425	0	0	0
10	Swarts ,C (Cleowin)	2	1217.2	1642.2	1	1167.2	1642.2	1	1246.8	1642.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Adonis, J (Jermaine)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms