Chess South Africa Ratings Database

PLAYER PAGE

Personal

Celliers, M (Morgan)

Chess SA id

1160152443

FIDE id

14370476

Date of birth

2016-02-17 (U12)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1478.9	1488.7	1312.3	1207.9
Raw rating	1478.9	1488.7	1312.3	1207.9
Weighted rating	1382.3	1367.1	1311.2	1202.4
Weighted performance	1459.8	1485.2	0	0
Floor	978.9	988.7	840.4	707.9
K-factor	32	32	36	36
Min/Max rating change allowed	111.4	109.9	141.3	164
Highest rating	1478.9 2026-01-01	1488.7 2026-01-01	1613.9 2024-11-01	1207.9 2025-09-30
Highest raw rating	1478.9 2026-01-01	1488.7 2026-01-01	1340.4 2024-12-01	1207.9 2025-09-30
Highest weighted rating	1382.3 2026-01-01	1367.1 2026-01-01	1305.2 2025-11-01	1200.6 2025-09-30
Highest weighted performance	1476.1 2023-03-01	1485.2 2026-01-01	1613.9 2024-11-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	1.3	0
New rating	1478.9	1488.7	1313.6	1207.9
Analysis
Rating	1478.9	1488.7	1312.3	1207.9
Raw rating	1478.9	1488.7	1312.3	1207.9
Weighted rating	1382.3	1367.1	1311.2
Weighted performance	1459.8	1485.2	0
K-factor	32	32	36	36
Floor	978.9	988.7	840.4	707.9
Max/Min rating change allowed	111.4	109.9	141.3	164
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	1478.9	1488.7	1312.3	1207.9
New weighted rating	1392.2	1379	1313.6	1202.9
New weighted performance	1450.2	1475.4	0	0
Temp new rating	1478.9	1488.7	1313.6	1207.9
Temp new rating +/-	0	0	1.3	0
Final new rating +/-	0	0	1.3	0
New rating	1478.9	1488.7	1313.6	1207.9
New K-factor	32	32	36	36
New floor	978.9	988.7	840.4	707.9

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	72	63	3	6
	26	15	11	0
	33	33	0	0
	0	0	0	0
	0	0	0	0
History	131	111	14	6

Games since
	Main 98	Standard 78		Rapid 14		Blitz 6
Gender	Male
Age group	U10
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	1910		234		80
Male	1581		201		70
U10	113		14		6
U10 Male	99		11		5
Standard
	RSA		Province		Region
Overall	1709		213		72
Male	1408		180		60
U10	105		14		5
U10 Male	91		11		4
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	72	39	54.17	35.4	1331.1	1366.5
Standard	63	35	55.56	47.2	1327.3	1374.5
Rapid	3	1	33.33	-141.7	1459.8	1318.1
Blitz	6	3	50	0	1306.5	1306.5
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	131	79	60.31	87.6	1283.3	1370.9
Standard	111	65	58.56	72.7	1284.8	1357.6
Rapid	14	11	78.57	242.9	1261	1503.8
Blitz	6	3	50	0	1306.5	1306.5

Date	Main	Standard	Rapid	Blitz
2026-01-01	1478.9	1488.7	1312.3	1207.9
2025-11-30	1427.8	1437.9	1312.3	1207.9
2025-11-01	1427.8	1437.9	1312.3	1207.9
2025-09-30	1433.4	1437.9	1340.4	1207.9
2025-09-01	1400.8	1401.7	1340.4	1200
2025-08-01	1438.8	1436.8	1340.4	1200
2025-07-01	1331.4	1307.3	1340.4	1200
2025-06-01	1349.5	1331.2	1340.4	1200
2025-05-01	1367.9	1338.2	1340.4	1200
2025-04-01	1358.2	1316.7	1340.4	1200
2025-03-01	1372	1319.2	1340.4	1200
2025-02-01	1369.7	1301.9	1340.4	1200
2025-01-01	1369.7	1300.1	1340.4	1200
2024-12-01	1369.7	1300.1	1340.4	1200
2024-11-01	1344.2	1300.1	1288.6	1200
2024-10-01	1296.2	1300.1	1200	1200
2024-09-01	1296.2	1300.1	1200	1200
2024-11-01	1296.2	1300.1	1200	1200
2024-07-01	1296.2	1300.1	1200	1200
2024-06-01	1296.2	1300.1	1200	1200
2024-05-01	1305.2	1312.3	1200	1200
2024-04-01	1294.4	1301.1	1200	1200
2024-03-01	1294.4	1301.1	1200	1200
2024-02-01	1294.4	1301.1	1200	1200

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	2025 Mzansi Individual Championships (U10 Open)	2025-12-17	2025-12-20	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
2	2025 Mzansi Inter Provincial Team Championships (U10 Combined)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
3	2025 PE Chess Club Championship (B)	2025-12-05	2025-12-06	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
4	PECC - Rapid 2025 (A)	2025-10-23	2025-10-30	Rapid	Nelson Mandela Bay (ENM)	6	3	1	Yes	Analysis
5	PECC - Club Blitz 2025	2025-09-18	2025-09-18	Blitz	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
6	EC Closed 2025 (U8+U10 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
7	UCC Mind Over Board 2025 (B)	2025-08-01	2025-08-03	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
8	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U10 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	4.5	Yes	Analysis
9	Eastern Cape Inter-Regional Team Chess Championship 2025 (U10)	2025-07-10	2025-07-10	Standard	Amathole (EAL)	5	3	2.5	Yes	Analysis
10	Ty's Winter Classic 2025	2025-06-27	2025-06-28	Standard	Nelson Mandela Bay (ENM)	7	7	1	Yes	Analysis
11	NMBCU Closed 2025 (U10)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
12	NMBCU Open 2025 (C)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
13	NMBCU Trial 4 2025 (U10)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
14	NMB 3rd Trials 2025 (U10)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
15	NMB 2nd Trials 2025 (U10)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
16	NMBCH Trial 1 2025 (U10)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
17	Grey Junior School Chess Team Championship 2024 (Junior)	2024-11-02	2024-11-02	Rapid	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
18	NMBCU Top Schools 2024 (Junior Primary)	2024-10-12	2024-10-12	Rapid	Nelson Mandela Bay (ENM)	5	5	5	Yes	Analysis
19	South African Junior Closed Chess Championship 2024 (U8 Open)	2024-04-27	2024-05-01	Standard	Ekurhuleni (GE)	9	9	4	Yes	Analysis
20	NMBCU Trials 2 2024 (U10)	2024-04-12	2024-04-13	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
21	Eastern Cape Provincial Individual Championship 2023 (U8 Boys)	2023-10-05	2023-10-05	Standard	Nelson Mandela Bay (ENM)	7	7	5	Yes	Analysis
22	Eastern Cape Chess Team Championship 2023 (U10)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	4	1	Yes	Analysis
23	NMBCU Closed 2023 (U8)	2023-08-11	2023-08-12	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
24	NMBCU Trial 4 2023 (U8)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
25	EP Trials 3 2023 (U8)	2023-05-06	2023-05-06	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
26	NMB 2nd Trials 2023 (U8)	2023-03-25	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Eastern Cape Inter-Regional Team Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-10	rnd 1	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Khonza, M (Melothando Lisokuhle)				Opponent John, Z (Zayden)
2	6	Tournament Grey Junior School Chess Team Championship 2024				Tournament NMBCH Trial 1 2025
		date 2024-11-02	rnd 2	type Rapid	result 1	date 2025-02-14	rnd 1	type Standard	result 1
		Opponent Brown, K (Kai)				Opponent Kapp, A (Amelie)
3	5	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 1	type Rapid	result 1	date 2024-10-12	rnd 5	type Rapid	result 1
		Opponent Louwrens, E (Evan)				Opponent Stian, V (Van Loggerenberg)

#	Games	Start				End
1	7	Tournament Eastern Cape Inter-Regional Team Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-10	rnd 1	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Khonza, M (Melothando Lisokuhle)				Opponent John, Z (Zayden)
2	4	Tournament NMBCH Trial 1 2025				Tournament NMB 2nd Trials 2025
		date 2025-02-15	rnd 6	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Arries, T (Tristan)				Opponent Verwey, M (Malan)
3	4	Tournament NMBCU Closed 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-08-12	rnd 3	type Standard	result 1	date 2023-10-05	rnd 1	type Standard	result 1
		Opponent Viljoen, C (Colton)				Opponent Duvenage, B (Bendre)

#	Games	Start				End
1	5	Tournament Grey Junior School Chess Team Championship 2024				Tournament Grey Junior School Chess Team Championship 2024
		date 2024-11-02	rnd 2	type Rapid	result 1	date 2024-11-02	rnd 6	type Rapid	result 1
		Opponent Brown, K (Kai)				Opponent Van Aswegen, E (Elizma)
2	5	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 1	type Rapid	result 1	date 2024-10-12	rnd 5	type Rapid	result 1
		Opponent Louwrens, E (Evan)				Opponent Stian, V (Van Loggerenberg)

#	Games	Start				End
1	2	Tournament PECC - Club Blitz 2025				Tournament PECC - Club Blitz 2025
		date 2025-09-18	rnd 5	type Blitz	result 1	date 2025-09-18	rnd 6	type Blitz	result 1
		Opponent Cilliers, L (Liani)				Opponent Goosen, B (Blake)
2	1	Tournament PECC - Club Blitz 2025				Tournament PECC - Club Blitz 2025
		date 2025-09-18	rnd 3	type Blitz	result 1	date 2025-09-18	rnd 3	type Blitz	result 1
		Opponent Bezuidenhout, J (Jarrod)				Opponent Bezuidenhout, J (Jarrod)

#	Games	Start				End
1	6	Tournament Grey Junior School Chess Team Championship 2024				Tournament NMBCH Trial 1 2025
		date 2024-11-02	rnd 2	type Rapid	result 1	date 2025-02-14	rnd 1	type Standard	result 1
		Opponent Brown, K (Kai)				Opponent Kapp, A (Amelie)
2	5	Tournament Eastern Cape Inter-Regional Team Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-10	rnd 3	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Van Huyssteen, Z (Zani)				Opponent John, Z (Zayden)
3	5	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 1	type Rapid	result 1	date 2024-10-12	rnd 5	type Rapid	result 1
		Opponent Louwrens, E (Evan)				Opponent Stian, V (Van Loggerenberg)

#	Games	Start				End
1	5	Tournament Eastern Cape Inter-Regional Team Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-10	rnd 3	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Van Huyssteen, Z (Zani)				Opponent John, Z (Zayden)
2	4	Tournament NMBCH Trial 1 2025				Tournament NMB 2nd Trials 2025
		date 2025-02-15	rnd 6	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Arries, T (Tristan)				Opponent Verwey, M (Malan)
3	4	Tournament EP Trials 3 2023				Tournament NMBCU Trial 4 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-07-28	rnd 1	type Standard	result 1
		Opponent Viljoen, C (Colton)				Opponent Mitchell, N (Nicholas)

#	Games	Start				End
1	5	Tournament Grey Junior School Chess Team Championship 2024				Tournament Grey Junior School Chess Team Championship 2024
		date 2024-11-02	rnd 2	type Rapid	result 1	date 2024-11-02	rnd 6	type Rapid	result 1
		Opponent Brown, K (Kai)				Opponent Van Aswegen, E (Elizma)
2	5	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 1	type Rapid	result 1	date 2024-10-12	rnd 5	type Rapid	result 1
		Opponent Louwrens, E (Evan)				Opponent Stian, V (Van Loggerenberg)

#	Games	Start				End
1	2	Tournament PECC - Club Blitz 2025				Tournament PECC - Club Blitz 2025
		date 2025-09-18	rnd 5	type Blitz	result 1	date 2025-09-18	rnd 6	type Blitz	result 1
		Opponent Cilliers, L (Liani)				Opponent Goosen, B (Blake)
2	1	Tournament PECC - Club Blitz 2025				Tournament PECC - Club Blitz 2025
		date 2025-09-18	rnd 3	type Blitz	result 1	date 2025-09-18	rnd 3	type Blitz	result 1
		Opponent Bezuidenhout, J (Jarrod)				Opponent Bezuidenhout, J (Jarrod)

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	Kapp ,A (Amelie)	9	3.5	-94.4	8	3.5	-53.1	1	0	-425	0	0	0
1	Kapp ,A (Amelie)	9	1260	1165.6	8	1219.6	1206.9	1	1195.4	835	0	0	0
2	Verwey ,M (Malan)	7	1	-303.6	7	1	-303.6	0	0	0	0	0	0
2	Verwey ,M (Malan)	7	1471.4	1167.9	7	1464.7	1167.9	0	0	0	0	0	0
3	Kritzinger ,A (Adrian)	7	3	-60.7	5	2	-85	2	1	0	0	0	0
3	Kritzinger ,A (Adrian)	7	1290.1	1229.4	5	1305.3	1205.1	2	1200	1290.1	0	0	0
4	Viljoen ,C (Colton)	6	6	425	6	6	425	0	0	0	0	0	0
4	Viljoen ,C (Colton)	6	1157.3	1582.3	6	1146.9	1582.3	0	0	0	0	0	0
5	John ,Z (Zayden)	5	4	255	5	4	255	0	0	0	0	0	0
5	John ,Z (Zayden)	5	1247.9	1502.9	5	1251.5	1502.9	0	0	0	0	0	0
6	Borriero ,L (Luca)	5	2	-85	5	2	-85	0	0	0	0	0	0
6	Borriero ,L (Luca)	5	1246.9	1161.9	5	1245.5	1161.9	0	0	0	0	0	0
7	Mitchell ,N (Nicholas)	4	4	425	4	4	425	0	0	0	0	0	0
7	Mitchell ,N (Nicholas)	4	1199.1	1624.1	4	1198.8	1624.1	0	0	0	0	0	0
8	Coltman ,A (Ariana)	4	3.5	318.8	4	3.5	318.8	0	0	0	0	0	0
8	Coltman ,A (Ariana)	4	1098.5	1417.2	4	1085.2	1417.2	0	0	0	0	0	0
9	Kapp ,M (Michael)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
9	Kapp ,M (Michael)	3	1342.4	1200.7	3	1338.1	1200.7	0	0	0	0	0	0
10	Arries ,T (Tristan)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
10	Arries ,T (Tristan)	3	1422.2	1280.6	3	1417.1	1280.6	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

Celliers, M (Morgan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms