Chess South Africa Ratings Database

PLAYER PAGE

Personal

Stubbs, M (Matthew)

Chess SA id

107088698

FIDE id

Date of birth

2007-11-13 (U20)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-06-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1328.6	1322.8	909.2	552
Raw rating	1328.6	1322.8	909.2	552
Weighted rating	1328.4	1322.5	909.2	551.8
Weighted performance	903.3	921	0	0
Floor	869.3	865.2	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	138	139.2	250.9	417.4
Highest rating	1384 2023-04-01	1379.8 2023-04-01	1200 2018-02-01	1200 2024-02-01
Highest raw rating	1369.3 2023-05-01	1365.2 2023-05-01	909.2 2024-02-01	552 2024-02-01
Highest weighted rating	1369.3 2025-02-01	1365.2 2025-02-01	909.2 2024-11-01	552 2024-11-01
Highest weighted performance	1384 2023-04-01	1379.8 2023-04-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1328.6	1322.8	909.2	552
Analysis
Rating	1328.6	1322.8	909.2	552
Raw rating	1328.6	1322.8	909.2	552
Weighted rating	1328.4	1322.5	909.2
Weighted performance	903.3	921	0
K-factor	36	36	40	40
Floor	869.3	865.2	500	500
Max/Min rating change allowed	138	139.2	250.9	417.4
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	1328.6	1322.8	909.2	552
New weighted rating	1328.4	1322.5	909.2	551.9
New weighted performance	902.9	920.5	0	0
Temp new rating	1328.6	1322.8	909.2	552
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1328.6	1322.8	909.2	552
New K-factor	36	36	40	40
New floor	869.3	865.2	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	31	24	7	0
	0	0	0	0
	0	0	0	0
History	204	156	33	15

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	126	76.5	60.71	91.1	1057.2	1148.2
Standard	103	64.5	62.62	107.3	1056.5	1163.8
Rapid	23	12	52.17	18.5	1060.2	1078.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1328.6	1322.8	909.2	552
2025-09-01	1328.6	1322.8	909.2	552
2025-08-01	1328.6	1322.8	909.2	552
2025-07-01	1328.6	1322.8	909.2	552
2025-06-01	1328.6	1322.8	909.2	552
2025-05-01	1328.6	1322.8	909.2	552
2025-04-01	1328.6	1322.8	909.2	552
2025-03-01	1328.6	1322.8	909.2	552
2025-02-01	1328.6	1322.8	909.2	552
2025-01-01	1328	1322	909.2	552
2024-12-01	1328	1322	909.2	552
2024-11-01	1328	1322	909.2	552
2024-10-01	1328	1322	909.2	552
2024-09-01	1328	1322	909.2	552
2024-08-01	1328	1322	909.2	552
2024-07-01	1328	1322	909.2	552
2024-06-01	1328	1322	909.2	552
2024-08-01	1328	1322	909.2	552
2024-04-01	1328	1322	909.2	552
2024-03-01	1328	1322	909.2	552
2024-02-01	1328	1322	909.2	552
2024-01-01	1328	1322	909.2	552
2023-12-01	1328	1322	909.2	529.6
2023-11-01	1328	1322	909.2	529.6

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	Youth Day Chess Festival 2023 (B)	2023-06-24	2023-06-24	Standard	Buffalo City (EBC)	5	4	1	Yes	Analysis
2	2nd BC Trials 2023 (U18-Adults)	2023-06-17	2023-06-17	Rapid	Buffalo City (EBC)	7	7	4	Yes	Analysis
3	BC Chess Trials 1 of 5 2023 (U18A-Adult)	2023-04-29	2023-04-29	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
4	3rd Vikings Champs 2023 (U18-Adults)	2023-03-23	2023-03-23	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
5	2nd Senior Vikings 2023 (U18A+U20A)	2023-02-23	2023-02-23	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
6	Senior Vikings 2023 (U18B)	2023-02-11	2023-02-11	Standard	Buffalo City (EBC)	5	5	5	Yes	Analysis
7	Buffalo City Trials 4 of 5 2019 (U14A)	2019-05-04	2019-05-04	Standard	Buffalo City (EBC)	5	5	2.5	Yes	Analysis
8	Buffalo City Trials 3 of 5 2019 (U14A)	2019-04-13	2019-04-13	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
9	Buffalo City Trials 2 of 5 2019 (U14A)	2019-02-23	2019-02-23	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
10	Buffalo City Trials 1 of 5 2019 (U14)	2019-02-09	2019-02-09	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
11	5th Vikings League 2018 (B)	2018-11-01	2018-11-01	Standard	Buffalo City (EBC)	5	5	5	Yes	Analysis
12	4th Vikings League 208 (B)	2018-10-18	2018-10-18	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
13	Vikings vs South Park 2nd Open 2018	2018-09-08	2018-09-08	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
14	Buffalo City Junior Closed Finals 2018 (C)	2018-09-29	2018-09-29	Standard	Buffalo City (EBC)	5	5	1	Yes	Analysis
15	3rd Border Vikings Chess League 2018 (B)	2018-09-15	2018-09-15	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
16	East London School League 2018 (Primary School A)	2018-08-18	2018-08-18	Standard	Buffalo City (EBC)	5	2	1	Yes	Analysis
17	Buffalo City Closed Stage 1 2018 (Boys Group 1)	2018-08-11	2018-08-11	Standard	Buffalo City (EBC)	5	5	1	Yes	Analysis
18	Chess Vikings League 2nd 2018 (B)	2018-08-04	2018-08-04	Standard	Buffalo City (EBC)	5	0	0	No	Analysis
19	Ashleys Chess Vikings Rapid 2018 (A)	2018-06-03	2018-06-03	Rapid	Buffalo City (EBC)	9	9	4	Yes	Analysis
20	5th Buffalo Trials 2018 (U12A)	2018-05-26	2018-05-26	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
21	4th Buffalo Trials 2018 (U12A)	2018-05-05	2018-05-05	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
22	3rd Buffalo Trials 2018 (U12A)	2018-04-14	2018-04-14	Rapid	Buffalo City (EBC)	7	7	4	Yes	Analysis
23	2nd Buffalo Trials 2018 (U12)	2018-03-17	2018-03-17	Standard	Buffalo City (EBC)	5	5	5	Yes	Analysis
24	Buffalo City 1st Chess Trials 2018 (U12A)	2018-02-17	2018-02-17	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
25	South African Junior Team Championships 2017 (U12B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis

#	Games	Start				End
1	11	Tournament Buffalo City Trials 4 of 5 2019				Tournament 2nd Senior Vikings 2023
		date 2019-05-04	rnd 4	type Standard	result 0.5	date 2023-02-23	rnd 4	type Standard	result 1
		Opponent Martnitz, K (Keenan)				Opponent Kameli, J (Jondre)
2	7	Tournament Buffalo City 1st Chess Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-02-17	rnd 5	type Standard	result 1	date 2018-04-14	rnd 1	type Rapid	result 1
		Opponent Bixa, T (Tshegofatso)				Opponent Scheckter, S (Samuel)
3	6	Tournament 5th Vikings League 2018				Tournament Buffalo City Trials 1 of 5 2019
		date 2018-11-01	rnd 1	type Standard	result 1	date 2019-02-09	rnd 1	type Standard	result 1
		Opponent Bovu, I (Inga)				Opponent Mbilase, U (Unakho)

#	Games	Start				End
1	11	Tournament Buffalo City Trials 4 of 5 2019				Tournament 2nd Senior Vikings 2023
		date 2019-05-04	rnd 4	type Standard	result 0.5	date 2023-02-23	rnd 4	type Standard	result 1
		Opponent Martnitz, K (Keenan)				Opponent Kameli, J (Jondre)
2	9	Tournament Buffalo City 1st Chess Trials 2018				Tournament 4th Buffalo Trials 2018
		date 2018-02-17	rnd 5	type Standard	result 1	date 2018-05-05	rnd 3	type Standard	result 1
		Opponent Bixa, T (Tshegofatso)				Opponent Pretorius, E (Esna)
3	6	Tournament 5th Vikings League 2018				Tournament Buffalo City Trials 1 of 5 2019
		date 2018-11-01	rnd 1	type Standard	result 1	date 2019-02-09	rnd 1	type Standard	result 1
		Opponent Bovu, I (Inga)				Opponent Mbilase, U (Unakho)

#	Games	Start				End
1	2	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-17	rnd 3	type Rapid	result 1	date 2023-06-17	rnd 4	type Rapid	result 1
		Opponent Nkwentsha, S (Sange)				Opponent Mahobe, B (Bahle)
2	2	Tournament Ashleys Chess Vikings Rapid 2018				Tournament 2nd BC Trials 2023
		date 2018-06-03	rnd 9	type Rapid	result 1	date 2023-06-17	rnd 1	type Rapid	result 1
		Opponent Currie, S (Scott)				Opponent Mazele, Y (Yonwaba)
3	2	Tournament 3rd Buffalo Trials 2018				Tournament Ashleys Chess Vikings Rapid 2018
		date 2018-04-14	rnd 7	type Rapid	result 1	date 2018-06-03	rnd 1	type Rapid	result 1
		Opponent Dove, M (Megan)				Opponent Sibanda, T (Takudzwa)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Buffalo City Trials 4 of 5 2019				Tournament 2nd Senior Vikings 2023
		date 2019-05-04	rnd 5	type Standard	result 1	date 2023-02-23	rnd 2	type Standard	result 1
		Opponent Kameli, J (Jondre)				Opponent Njoli, K (Khanya)
2	7	Tournament Buffalo City 1st Chess Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-02-17	rnd 5	type Standard	result 1	date 2018-04-14	rnd 1	type Rapid	result 1
		Opponent Bixa, T (Tshegofatso)				Opponent Scheckter, S (Samuel)
3	6	Tournament 5th Vikings League 2018				Tournament Buffalo City Trials 1 of 5 2019
		date 2018-11-01	rnd 1	type Standard	result 1	date 2019-02-09	rnd 1	type Standard	result 1
		Opponent Bovu, I (Inga)				Opponent Mbilase, U (Unakho)

#	Games	Start				End
1	9	Tournament Buffalo City 1st Chess Trials 2018				Tournament 4th Buffalo Trials 2018
		date 2018-02-17	rnd 5	type Standard	result 1	date 2018-05-05	rnd 3	type Standard	result 1
		Opponent Bixa, T (Tshegofatso)				Opponent Pretorius, E (Esna)
2	8	Tournament Buffalo City Trials 4 of 5 2019				Tournament 2nd Senior Vikings 2023
		date 2019-05-04	rnd 5	type Standard	result 1	date 2023-02-23	rnd 2	type Standard	result 1
		Opponent Kameli, J (Jondre)				Opponent Njoli, K (Khanya)
3	6	Tournament 5th Vikings League 2018				Tournament Buffalo City Trials 1 of 5 2019
		date 2018-11-01	rnd 1	type Standard	result 1	date 2019-02-09	rnd 1	type Standard	result 1
		Opponent Bovu, I (Inga)				Opponent Mbilase, U (Unakho)

#	Games	Start				End
1	2	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-17	rnd 3	type Rapid	result 1	date 2023-06-17	rnd 4	type Rapid	result 1
		Opponent Nkwentsha, S (Sange)				Opponent Mahobe, B (Bahle)
2	2	Tournament Ashleys Chess Vikings Rapid 2018				Tournament 2nd BC Trials 2023
		date 2018-06-03	rnd 9	type Rapid	result 1	date 2023-06-17	rnd 1	type Rapid	result 1
		Opponent Currie, S (Scott)				Opponent Mazele, Y (Yonwaba)
3	2	Tournament 3rd Buffalo Trials 2018				Tournament Ashleys Chess Vikings Rapid 2018
		date 2018-04-14	rnd 7	type Rapid	result 1	date 2018-06-03	rnd 1	type Rapid	result 1
		Opponent Dove, M (Megan)				Opponent Sibanda, T (Takudzwa)

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	Bixa ,T (Tshegofatso)	6	2	-141.7	5	2	-85	1	0	-425	0	0	0
1	Bixa ,T (Tshegofatso)	6	1005.2	863.5	5	994.3	920.2	1	877.8	580.2	0	0	0
2	Dove ,M (Megan)	5	4.5	340	4	3.5	318.8	1	1	425	0	0	0
2	Dove ,M (Megan)	5	933.3	1273.3	4	1007.6	1252.1	1	500	1358.3	0	0	0
3	Boucher ,Z (Zander)	4	4	425	4	4	425	0	0	0	0	0	0
3	Boucher ,Z (Zander)	4	806.1	1231.1	4	801.3	1231.1	0	0	0	0	0	0
4	Jikijela ,A (Anisha)	4	2	0	4	2	0	0	0	0	0	0	0
4	Jikijela ,A (Anisha)	4	1012.9	1012.9	4	1012.3	1012.9	0	0	0	0	0	0
5	Scriven ,S (Shayden)	4	1	-212.5	2	1	0	2	0	-425	0	0	0
5	Scriven ,S (Shayden)	4	1022	809.5	2	1042.4	1022	2	1152.8	597	0	0	0
6	Pearson ,E (Ethan)	3	3	425	2	2	425	1	1	425	0	0	0
6	Pearson ,E (Ethan)	3	946.5	1371.5	2	1053.8	1371.5	1	707.4	1371.5	0	0	0
7	Mngonyama ,C (Cwenga)	2	1	0	2	1	0	0	0	0	0	0	0
7	Mngonyama ,C (Cwenga)	2	981.8	981.8	2	988.2	981.8	0	0	0	0	0	0
8	Puttergill ,B (Bradley)	2	2	425	2	2	425	0	0	0	0	0	0
8	Puttergill ,B (Bradley)	2	997.4	1422.4	2	1007.4	1422.4	0	0	0	0	0	0
9	Ou ,J-Q (Jing-Qian)	2	1	0	2	1	0	0	0	0	0	0	0
9	Ou ,J-Q (Jing-Qian)	2	1121.9	1121.9	2	1147.9	1121.9	0	0	0	0	0	0
10	Chang ,S (Samuel)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Chang ,S (Samuel)	2	1236.1	811.1	2	1263.8	811.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Stubbs, M (Matthew)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms