Chess South Africa Ratings Database

PLAYER PAGE

Personal

Peter, A (Achuma)

Chess SA id

1110302997

FIDE id

Date of birth

2011-09-28 (U16)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-04

Personal details last changed

1900-01-01

Junior GPX Games

53.1

Junior GPX Points

1219.5

Item	Main	Standard	Rapid	Blitz
Rating	1401.7	1417.3	1286.3	1200
Raw rating	1401.7	1417.3	1286.3	1200
Weighted rating	1276	1278.8	1235.4	1200
Weighted performance	1270.8	1303	1196	0
Floor	924	917.3	830.2	700
K-factor	32	32	36	36
Min/Max rating change allowed	124.4	121.7	146.6	165.8
Highest rating	1424 2025-09-30	1417.3 2025-09-30	1330.2 2025-08-01	1200 2024-05-01
Highest raw rating	1424 2025-09-30	1417.3 2025-09-30	1330.2 2025-08-01	1200 2024-05-01
Highest weighted rating	1276 2025-11-01	1269.9 2024-10-01	1235.4 2025-11-01	1200 2024-05-01
Highest weighted performance	1333.8 2025-09-30	1327.4 2024-08-01	1225.6 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1401.7	1417.3	1286.3	1200
Analysis
Rating	1401.7	1417.3	1286.3	1200
Raw rating	1401.7	1417.3	1286.3	1200
Weighted rating	1276	1278.8	1235.4
Weighted performance	1270.8	1303	1196
K-factor	32	32	36	36
Floor	924	917.3	830.2	700
Max/Min rating change allowed	124.4	121.7	146.6	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	1401.7	1417.3	1286.3	1200
New weighted rating	1288.3	1292.1	1240.8	1200
New weighted performance	1263.2	1295.2	1188.5	0
Temp new rating	1401.7	1417.3	1286.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1401.7	1417.3	1286.3	1200
New K-factor	32	32	36	36
New floor	924	917.3	830.2	700

Item	Main	Standard	Rapid
	0	0	0
	67	47	20
	22	10	12
	0	0	0
	0	0	0
	0	0	0
History	94	62	32

Games since
	Main 89	Standard 57		Rapid 32		Blitz 0
Gender	Male
Age group	U16
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	2158		264		93
Male	1763		223		77
U16	323		46		11
U16 Male	246		37		7
Standard
	RSA		Province		Region
Overall	1910		242		88
Male	1568		205		72
U16	277		40		10
U16 Male	216		33		6
Rapid
	RSA		Province		Region
Overall	1140		94		32
Male	926		78		28
U16	172		14		2
U16 Male	137		10		1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	67	36.5	54.48	38.1	1300.4	1338.4
Standard	47	24.5	52.13	18.1	1323	1341.1
Rapid	20	12	60	85	1247.2	1332.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	89	47.5	53.37	28.7	1286.2	1314.8
Standard	57	29.5	51.75	14.9	1319.1	1334
Rapid	32	18	56.25	53.1	1227.6	1280.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1401.7	1417.3	1286.3	1200
2025-09-30	1424	1417.3	1330.2	1200
2025-09-01	1350.6	1331.6	1330.2	1200
2025-08-01	1315.7	1275.2	1330.2	1200
2025-07-01	1250.3	1260.7	1199.6	1200
2025-06-01	1250.3	1260.7	1199.6	1200
2025-05-01	1252.2	1269.9	1199.6	1200
2025-04-01	1243.9	1264	1199.4	1200
2025-03-01	1224.8	1246.8	1197.1	1200
2025-02-01	1240	1246.8	1202.8	1200
2025-01-01	1240	1246.8	1202.8	1200
2024-12-01	1240	1246.8	1202.8	1200
2024-11-01	1240	1246.8	1202.8	1200
2024-10-01	1240	1246.8	1202.8	1200
2024-09-01	1240	1246.8	1202.8	1200
2024-08-01	1206.5	1199.6	1202.8	1200
2024-07-01	1206.5	1199.6	1202.8	1200
2024-09-01	1206.5	1199.6	1202.8	1200
2024-05-01	1179.1	1200	1161.2	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	BC Open 2025 (U16+U18)	2025-10-04	2025-10-04	Rapid	Buffalo City (EBC)	7	7	3	Yes	Analysis
2	Buffalo City Chess Clubs League 2025 (B)	2025-09-20	2025-09-20	Standard	Buffalo City (EBC)	6	1	1	Yes	Analysis
3	Buffalo City Chess Clubs League 2025 (C)	2025-09-20	2025-09-20	Standard	Buffalo City (EBC)	6	3	3	Yes	Analysis
4	EC Closed 2025 (U16 Open)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
5	Buffalo City Chess Junior Closed 2025 (U16 Open)	2025-08-16	2025-08-16	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
6	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U16 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	2	Yes	Analysis
7	Eastern Cape Inter-Regional Team Chess Championship 2025 (U16)	2025-07-10	2025-07-11	Standard	Amathole (EAL)	5	2	1	Yes	Analysis
8	Sihambasonke Youth Day Chess 2025 (Development)	2025-06-16	2025-06-16	Rapid	OR Tambo (EOR)	7	7	7	Yes	Analysis
9	Gompo Chess Open 2025 (B)	2025-06-21	2025-06-21	Standard	Buffalo City (EBC)	5	5	2.5	Yes	Analysis
10	2025 Buffalo City Chess Trials 3 (U16)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
11	EC Open 2025 (U16-U20 Boys)	2025-05-02	2025-05-02	Standard	Buffalo City (EBC)	7	7	3	Yes	Analysis
12	2025 Buffalo City Chess Trials 2 (U16)	2025-04-12	2025-04-12	Standard	Buffalo City (EBC)	5	0	0	No	Analysis
13	2025 Buffalo City Chess Trials 1 (U16)	2025-03-22	2025-03-22	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
14	WSC 1st Chess Extravaganza 2025 (U15)	2025-03-01	2025-03-01	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
15	Rapid Feb 2nd Leg 2025 (U16-Adult)	2025-02-22	2025-02-22	Rapid	Buffalo City (EBC)	7	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	BC Open 2025 (U16+U18)	2025-10-04	2025-10-04	Rapid	Buffalo City (EBC)	7	7	3	Yes	Analysis
2	Buffalo City Chess Clubs League 2025 (B)	2025-09-20	2025-09-20	Standard	Buffalo City (EBC)	6	1	1	Yes	Analysis
3	Buffalo City Chess Clubs League 2025 (C)	2025-09-20	2025-09-20	Standard	Buffalo City (EBC)	6	3	3	Yes	Analysis
4	EC Closed 2025 (U16 Open)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
5	Buffalo City Chess Junior Closed 2025 (U16 Open)	2025-08-16	2025-08-16	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
6	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U16 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	2	Yes	Analysis
7	Eastern Cape Inter-Regional Team Chess Championship 2025 (U16)	2025-07-10	2025-07-11	Standard	Amathole (EAL)	5	2	1	Yes	Analysis
8	Sihambasonke Youth Day Chess 2025 (Development)	2025-06-16	2025-06-16	Rapid	OR Tambo (EOR)	7	7	7	Yes	Analysis
9	Gompo Chess Open 2025 (B)	2025-06-21	2025-06-21	Standard	Buffalo City (EBC)	5	5	2.5	Yes	Analysis
10	2025 Buffalo City Chess Trials 3 (U16)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
11	EC Open 2025 (U16-U20 Boys)	2025-05-02	2025-05-02	Standard	Buffalo City (EBC)	7	7	3	Yes	Analysis
12	2025 Buffalo City Chess Trials 2 (U16)	2025-04-12	2025-04-12	Standard	Buffalo City (EBC)	5	0	0	No	Analysis
13	2025 Buffalo City Chess Trials 1 (U16)	2025-03-22	2025-03-22	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
14	WSC 1st Chess Extravaganza 2025 (U15)	2025-03-01	2025-03-01	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
15	Rapid Feb 2nd Leg 2025 (U16-Adult)	2025-02-22	2025-02-22	Rapid	Buffalo City (EBC)	7	6	2	Yes	Analysis
16	Buffalo City District Schools Chess All Ages Championships 2024 (U13 Boys)	2024-08-10	2024-08-10	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
17	Gompo Chess Club Rapid 2024 (C)	2024-05-01	2024-05-01	Rapid	Buffalo City (EBC)	6	6	4	Yes	Analysis
18	3rd BC Trials 2024 (U14A)	2024-05-11	2024-05-11	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
19	Bhongweni Chess Club Open 2024 (U14)	2024-04-27	2024-04-27	Rapid	Buffalo City (EBC)	6	6	2	Yes	Analysis

#	Games	Start				End
1	8	Tournament 2025 Buffalo City Chess Trials 3				Tournament Sihambasonke Youth Day Chess 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-06-16	rnd 7	type Rapid	result 1
		Opponent Battiss, K (Keagan)				Opponent Zele, O (Olothando)
2	5	Tournament Buffalo City Chess Clubs League 2025				Tournament BC Open 2025
		date 2025-09-20	rnd 1	type Standard	result 1	date 2025-10-04	rnd 1	type Rapid	result 1
		Opponent Booysen, C (Chezlyn)				Opponent Okafor, M (Michael)
3	4	Tournament Gompo Chess Club Rapid 2024				Tournament 3rd BC Trials 2024
		date 2024-05-01	rnd 5	type Rapid	result 1	date 2024-05-11	rnd 2	type Standard	result 1
		Opponent Dayimani, L (Lingomso)				Opponent Ackeer, J (Jonathan)

#	Games	Start				End
1	3	Tournament EC Open 2025				Tournament EC Open 2025
		date 2025-05-02	rnd 4	type Standard	result 1	date 2025-05-02	rnd 6	type Standard	result 1
		Opponent Gcilishe, H (Hlumelo)				Opponent Vanqa, L (Lwande)
2	2	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Mbabane, S (Simanye)				Opponent Kingon, J (Jonah)
3	2	Tournament Gompo Chess Open 2025				Tournament Gompo Chess Open 2025
		date 2025-06-21	rnd 4	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 0.5
		Opponent Zele, O (Olothando)				Opponent Sidlayi, O (Onako)

#	Games	Start				End
1	7	Tournament Sihambasonke Youth Day Chess 2025				Tournament Sihambasonke Youth Day Chess 2025
		date 2025-06-16	rnd 1	type Rapid	result 1	date 2025-06-16	rnd 7	type Rapid	result 1
		Opponent Mahlontlwana, A (Avuzwa)				Opponent Zele, O (Olothando)
2	3	Tournament Rapid Feb 2nd Leg 2025				Tournament Rapid Feb 2nd Leg 2025
		date 2025-02-22	rnd 3	type Rapid	result 0.5	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Romans, C (Caleb)				Opponent Ntlakanipo, M (Makasi)
3	2	Tournament Gompo Chess Club Rapid 2024				Tournament Gompo Chess Club Rapid 2024
		date 2024-05-01	rnd 5	type Rapid	result 1	date 2024-05-01	rnd 6	type Rapid	result 1
		Opponent Dayimani, L (Lingomso)				Opponent Nyengule, U (Unako)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament 2025 Buffalo City Chess Trials 3				Tournament Sihambasonke Youth Day Chess 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-06-16	rnd 7	type Rapid	result 1
		Opponent Battiss, K (Keagan)				Opponent Zele, O (Olothando)
2	4	Tournament Gompo Chess Club Rapid 2024				Tournament 3rd BC Trials 2024
		date 2024-05-01	rnd 5	type Rapid	result 1	date 2024-05-11	rnd 2	type Standard	result 1
		Opponent Dayimani, L (Lingomso)				Opponent Ackeer, J (Jonathan)
3	3	Tournament EC Open 2025				Tournament EC Open 2025
		date 2025-05-02	rnd 4	type Standard	result 1	date 2025-05-02	rnd 6	type Standard	result 1
		Opponent Gcilishe, H (Hlumelo)				Opponent Vanqa, L (Lwande)

#	Games	Start				End
1	3	Tournament EC Open 2025				Tournament EC Open 2025
		date 2025-05-02	rnd 4	type Standard	result 1	date 2025-05-02	rnd 6	type Standard	result 1
		Opponent Gcilishe, H (Hlumelo)				Opponent Vanqa, L (Lwande)
2	2	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Mbabane, S (Simanye)				Opponent Kingon, J (Jonah)
3	2	Tournament WSC 1st Chess Extravaganza 2025				Tournament WSC 1st Chess Extravaganza 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Mnyataza, S (Sikhanye)				Opponent Mnyaka, I (Isiphile)

#	Games	Start				End
1	7	Tournament Sihambasonke Youth Day Chess 2025				Tournament Sihambasonke Youth Day Chess 2025
		date 2025-06-16	rnd 1	type Rapid	result 1	date 2025-06-16	rnd 7	type Rapid	result 1
		Opponent Mahlontlwana, A (Avuzwa)				Opponent Zele, O (Olothando)
2	2	Tournament Gompo Chess Club Rapid 2024				Tournament Gompo Chess Club Rapid 2024
		date 2024-05-01	rnd 5	type Rapid	result 1	date 2024-05-01	rnd 6	type Rapid	result 1
		Opponent Dayimani, L (Lingomso)				Opponent Nyengule, U (Unako)
3	1	Tournament Rapid Feb 2nd Leg 2025				Tournament Rapid Feb 2nd Leg 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Ntlakanipo, M (Makasi)				Opponent Ntlakanipo, M (Makasi)

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	Sidlayi ,O (Onako)	3	0.5	-283.3	2	0.5	-212.5	1	0	-425	0	0	0
1	Sidlayi ,O (Onako)	3	1297.4	1014.1	2	1366.9	1084.9	1	1200	872.4	0	0	0
2	Booysen ,C (Chezlyn)	2	2	425	2	2	425	0	0	0	0	0	0
2	Booysen ,C (Chezlyn)	2	1197.9	1622.9	2	1196.9	1622.9	0	0	0	0	0	0
3	Chang ,S (Samuel)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Chang ,S (Samuel)	2	1642.1	1217.1	2	1646.7	1217.1	0	0	0	0	0	0
4	Bopi ,L (Lumnko)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Bopi ,L (Lumnko)	2	1365.2	940.2	2	1363.2	940.2	0	0	0	0	0	0
5	Zumani ,L (Liyanda)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Zumani ,L (Liyanda)	2	1304.4	879.4	2	1292.2	879.4	0	0	0	0	0	0
6	Mpepo ,L (Langalasembo)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Mpepo ,L (Langalasembo)	2	1212.4	787.4	1	1200	787.4	1	1200	787.4	0	0	0
7	Zele ,O (Olothando)	2	2	425	1	1	425	1	1	425	0	0	0
7	Zele ,O (Olothando)	2	1275.1	1700.1	1	1269.2	1700.1	1	1256.4	1700.1	0	0	0
8	Ndabambi ,A (Awothando)	2	0	-425	0	0	0	2	0	-425	0	0	0
8	Ndabambi ,A (Awothando)	2	1330.4	905.4	0	0	0	2	1221.7	905.4	0	0	0
9	Vanqa ,L (Lwande)	1	1	425	1	1	425	0	0	0	0	0	0
9	Vanqa ,L (Lwande)	1	1222.2	1647.2	1	1215.5	1647.2	0	0	0	0	0	0
10	Dyili ,L (Lihle)	1	1	425	1	1	425	0	0	0	0	0	0
10	Dyili ,L (Lihle)	1	1196.3	1621.3	1	1195.8	1621.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Peter, A (Achuma)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms