Chess South Africa Ratings Database

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Personal

Harman, R (Ryan)

Chess SA id

1120150771

FIDE id

534020837

Date of birth

2012-03-26 (U16)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1472.4	1444.6	1323.8	1174.4
Raw rating	1472.4	1444.6	1323.8	1174.4
Weighted rating	1377	1368.8	1271.4	1172.5
Weighted performance	1468.1	1419.1	0	0
Floor	972.4	944.6	823.8	700
K-factor	32	32	36	36
Min/Max rating change allowed	112.5	117	139	172
Highest rating	1598.8 2023-02-01	1603.1 2023-02-01	1323.8 2025-11-01	1200 2018-10-01
Highest raw rating	1472.4 2026-01-01	1444.6 2026-01-01	1323.8 2025-11-01	1200 2019-12-01
Highest weighted rating	1397.2 2024-10-01	1399.7 2024-10-01	1261.2 2025-11-01	1200 2018-10-01
Highest weighted performance	1598.8 2023-02-01	1603.1 2023-02-01	1295.4 2023-06-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1472.4	1444.6	1323.8	1174.4
Analysis
Rating	1472.4	1444.6	1323.8	1174.4
Raw rating	1472.4	1444.6	1323.8	1174.4
Weighted rating	1377	1368.8	1271.4
Weighted performance	1468.1	1419.1	0
K-factor	32	32	36	36
Floor	972.4	944.6	823.8	700
Max/Min rating change allowed	112.5	117	139	172
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	1472.4	1444.6	1323.8	1174.4
New weighted rating	1386.4	1376.1	1276.2	1172.8
New weighted performance	1458.4	1409.7	0	0
Temp new rating	1472.4	1444.6	1323.8	1174.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1472.4	1444.6	1323.8	1174.4
New K-factor	32	32	36	36
New floor	972.4	944.6	823.8	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	82	75	7	0
	53	44	0	9
	43	29	14	0
	0	0	0	0
	0	0	0	0
History	178	148	21	9

Games since
	Main 135	Standard 119		Rapid 7		Blitz 9
Gender	Male
Age group	U14
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	1819		220		77
Male	1508		189		64
U14	276		43		19
U14 Male	209		35		17
Standard
	RSA		Province		Region
Overall	2130		272		97
Male	1729		227		80
U14	351		58		24
U14 Male	256		46		22
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	82	49	59.76	82.9	1334.5	1417.4
Standard	75	44	58.67	73.7	1319.6	1393.2
Rapid	7	5	71.43	182.1	1494.3	1676.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	178	103	57.87	66.9	1294.9	1361.7
Standard	148	85.5	57.77	66	1290.6	1356.7
Rapid	21	13.5	64.29	121.4	1342.2	1463.6
Blitz	9	4	44.44	-47.2	1254	1206.8

Date	Main	Standard	Rapid	Blitz
2026-01-01	1472.4	1444.6	1323.8	1174.4
2025-11-30	1435.2	1395.9	1323.8	1174.4
2025-11-01	1435.2	1395.9	1323.8	1174.4
2025-09-30	1408.2	1410	1255.8	1174.4
2025-09-01	1420	1425.7	1255.8	1174.4
2025-08-01	1397.2	1394.1	1255.8	1174.4
2025-07-01	1397.2	1394.1	1255.8	1174.4
2025-06-01	1388.8	1383.2	1255.8	1174.4
2025-05-01	1344.8	1323.4	1255.8	1174.4
2025-04-01	1364.8	1340.3	1255.8	1174.4
2025-03-01	1383.1	1399.7	1255.8	1174.4
2025-02-01	1304.8	1309.5	1255.8	1174.4
2025-01-01	1249.3	1250.2	1255.8	1167.2
2024-12-01	1243.3	1242.3	1255.8	1167.2
2024-11-01	1243.3	1242.3	1255.8	1167.2
2024-10-01	1361	1372.1	1255.8	1167.2
2024-09-01	1361	1372.1	1255.8	1167.2
2024-11-01	1345.5	1355.9	1255.8	1167.2
2024-07-01	1345.5	1355.9	1255.8	1167.2
2024-06-01	1310.8	1314.5	1255.8	1167.2
2024-05-01	1335	1345.1	1255.8	1167.2
2024-04-01	1335	1345.1	1255.8	1167.2
2024-03-01	1326.3	1334.3	1255.8	1167.2
2024-02-01	1316.4	1323.5	1255.8	1167.2

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 Inter Provincial Team Championships (U14 Open)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
2	Chess Vikings Trials 2 2025 (A)	2025-10-18	2025-10-18	Standard	Buffalo City (EBC)	5	4	1	Yes	Analysis
3	BC Open 2025 (U10-U14)	2025-10-04	2025-10-04	Rapid	Buffalo City (EBC)	7	7	5	Yes	Analysis
4	Buffalo City Chess Clubs League 2025 (B)	2025-09-20	2025-09-20	Standard	Buffalo City (EBC)	6	5	3	Yes	Analysis
5	Buffalo City Chess Clubs League 2025 (B)	2025-09-20	2025-09-20	Standard	Buffalo City (EBC)	6	5	3	Yes	Analysis
6	EC Closed 2025 (U14 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
7	Buffalo City Chess Junior Closed 2025 (U14 Open)	2025-08-16	2025-08-16	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
8	3rd Chess Vikings Open Championship 2025 (B)	2025-08-02	2025-08-02	Standard	Buffalo City (EBC)	5	4	3	Yes	Analysis
9	BC Schools Chess Festival 2025 (U13 Open)	2025-07-26	2025-07-26	Standard	Buffalo City (EBC)	5	3	2.5	Yes	Analysis
10	2nd Vikings Classical 2025 (B)	2025-05-24	2025-05-24	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
11	2025 Buffalo City Chess Trials 3 (U14)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
12	EC Open 2025 (U8-U14 Boys)	2025-05-02	2025-05-02	Standard	Buffalo City (EBC)	7	7	4	Yes	Analysis
13	2025 Buffalo City Chess Trials 2 (U14)	2025-04-12	2025-04-12	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
14	2025 Buffalo City Chess Trials 1 (U14)	2025-03-22	2025-03-22	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
15	Vikings Classical March 2025 (B)	2025-03-15	2025-03-15	Standard	Buffalo City (EBC)	5	4	1	Yes	Analysis
16	Vikings Classical March 2025 (U14)	2025-03-15	2025-03-15	Standard	Buffalo City (EBC)	5	1	1	Yes	Analysis
17	Hudson League 1 2025	2025-02-10	2025-02-13	Standard	Buffalo City (EBC)	6	6	4	Yes	Analysis
18	Hudson League 1 2023	2025-02-10	2025-02-13	Standard	Buffalo City (EBC)	6	6	4	Yes	Analysis
19	EL Junior Closed 2024 (U14)	2024-11-23	2024-11-23	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
20	Hudson Round Robin 2024 (A)	2024-10-24	2024-10-28	Standard	Buffalo City (EBC)	5	5	1.5	Yes	Analysis
21	East London Open 2024 (B)	2024-10-05	2024-10-05	Standard	Buffalo City (EBC)	5	5	1	Yes	Analysis
22	5th BC Trails 2024 (U14A)	2024-08-17	2024-08-17	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
23	Hudson League 2024	2024-08-12	2024-08-15	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
24	4th BC Trials 2024 (U14A)	2024-06-08	2024-06-08	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
25	3rd BC Trials 2024 (U14A)	2024-05-11	2024-05-11	Standard	Buffalo City (EBC)	5	5	2.5	Yes	Analysis
26	2nd BC Trials 2024 (U14A)	2024-03-09	2024-03-09	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
27	Buffalo City Vikings Chess Trials 2024 (U14A)	2024-02-03	2024-02-03	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
28	Chess Vikings VP-Mall Blitz 2024 (B)	2024-01-27	2024-01-27	Blitz	Buffalo City (EBC)	9	9	4	Yes	Analysis
29	Chess Vikings Exam Rapid 2023 (B)	2023-11-04	2023-11-04	Rapid	Buffalo City (EBC)	7	7	4	Yes	Analysis
30	BC Vikings Closed 2023 (U12)	2023-10-03	2023-10-04	Standard	Buffalo City (EBC)	6	5	2.5	Yes	Analysis
31	BC 5th Trials 2023 (U12A)	2023-09-02	2023-09-02	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
32	3rd BC Trials 2023 (U12A)	2023-08-12	2023-08-12	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
33	2nd BC Trials 2023 (U12A)	2023-06-03	2023-06-03	Rapid	Buffalo City (EBC)	7	7	4.5	Yes	Analysis
34	BC Chess Trials 1 of 5 2023 (U12A)	2023-04-22	2023-04-22	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
35	3rd Vikings Champs 2023 (U10A+U12A)	2023-03-25	2023-03-25	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
36	2nd Little Vikings 2023 (U12B)	2023-02-23	2023-02-23	Standard	Buffalo City (EBC)	5	5	5	Yes	Analysis

#	Games	Start				End
1	10	Tournament EC Open 2025				Tournament 2nd Vikings Classical 2025
		date 2025-05-02	rnd 7	type Standard	result 1	date 2025-05-24	rnd 4	type Standard	result 0.5
		Opponent Krouse, L (Logan)				Opponent Ncence, I (Iminathi)
2	6	Tournament EL Junior Closed 2024				Tournament Hudson League 1 2025
		date 2024-11-23	rnd 4	type Standard	result 1	date 2025-02-10	rnd 2	type Standard	result 1
		Opponent Makeleli, S (Sandiso)				Opponent Rubushe, L (Lunabe)
3	6	Tournament 2nd Little Vikings 2023				Tournament 3rd Vikings Champs 2023
		date 2023-02-23	rnd 1	type Standard	result 1	date 2023-03-25	rnd 1	type Standard	result 1
		Opponent Joubert, B (Bethany)				Opponent Jagers, N (Noah)

#	Games	Start				End
1	10	Tournament EC Open 2025				Tournament 2nd Vikings Classical 2025
		date 2025-05-02	rnd 7	type Standard	result 1	date 2025-05-24	rnd 4	type Standard	result 0.5
		Opponent Krouse, L (Logan)				Opponent Ncence, I (Iminathi)
2	6	Tournament EL Junior Closed 2024				Tournament Hudson League 1 2025
		date 2024-11-23	rnd 4	type Standard	result 1	date 2025-02-10	rnd 2	type Standard	result 1
		Opponent Makeleli, S (Sandiso)				Opponent Rubushe, L (Lunabe)
3	6	Tournament 2nd Little Vikings 2023				Tournament 3rd Vikings Champs 2023
		date 2023-02-23	rnd 1	type Standard	result 1	date 2023-03-25	rnd 1	type Standard	result 1
		Opponent Joubert, B (Bethany)				Opponent Jagers, N (Noah)

#	Games	Start				End
1	3	Tournament Chess Vikings Exam Rapid 2023				Tournament Chess Vikings Exam Rapid 2023
		date 2023-11-04	rnd 2	type Rapid	result 1	date 2023-11-04	rnd 4	type Rapid	result 1
		Opponent Mahembe, D (Delroy)				Opponent Mbana, N (Ndinani)
2	3	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-03	rnd 5	type Rapid	result 1	date 2023-06-03	rnd 7	type Rapid	result 1
		Opponent Mafanya, M (Mateo)				Opponent Dyabooi, A (Azingce)
3	2	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-03	rnd 2	type Rapid	result 1	date 2023-06-03	rnd 3	type Rapid	result 1
		Opponent Chinyamurindi, A (Anochengeta)				Opponent Dyani, I (Isivile)

#	Games	Start				End
1	3	Tournament Chess Vikings VP-Mall Blitz 2024				Tournament Chess Vikings VP-Mall Blitz 2024
		date 2024-01-27	rnd 4	type Blitz	result 0.5	date 2024-01-27	rnd 6	type Blitz	result 0.5
		Opponent Thebus, S (Siddeeq)				Opponent Witbooi, J (Joshua)
2	1	Tournament Chess Vikings VP-Mall Blitz 2024				Tournament Chess Vikings VP-Mall Blitz 2024
		date 2024-01-27	rnd 9	type Blitz	result 1	date 2024-01-27	rnd 9	type Blitz	result 1
		Opponent Sibuko, L (Lulibo)				Opponent Sibuko, L (Lulibo)
3	1	Tournament Chess Vikings VP-Mall Blitz 2024				Tournament Chess Vikings VP-Mall Blitz 2024
		date 2024-01-27	rnd 2	type Blitz	result 1	date 2024-01-27	rnd 2	type Blitz	result 1
		Opponent Slater, C (Charlie)				Opponent Slater, C (Charlie)

#	Games	Start				End
1	6	Tournament EL Junior Closed 2024				Tournament Hudson League 1 2025
		date 2024-11-23	rnd 4	type Standard	result 1	date 2025-02-10	rnd 2	type Standard	result 1
		Opponent Makeleli, S (Sandiso)				Opponent Rubushe, L (Lunabe)
2	6	Tournament 2nd Little Vikings 2023				Tournament 3rd Vikings Champs 2023
		date 2023-02-23	rnd 1	type Standard	result 1	date 2023-03-25	rnd 1	type Standard	result 1
		Opponent Joubert, B (Bethany)				Opponent Jagers, N (Noah)
3	5	Tournament Buffalo City Vikings Chess Trials 2024				Tournament 2nd BC Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-03-09	rnd 2	type Standard	result 1
		Opponent Bopi, L (Lumnko)				Opponent Ngewu, E (Elowo)

#	Games	Start				End
1	6	Tournament EL Junior Closed 2024				Tournament Hudson League 1 2025
		date 2024-11-23	rnd 4	type Standard	result 1	date 2025-02-10	rnd 2	type Standard	result 1
		Opponent Makeleli, S (Sandiso)				Opponent Rubushe, L (Lunabe)
2	6	Tournament 2nd Little Vikings 2023				Tournament 3rd Vikings Champs 2023
		date 2023-02-23	rnd 1	type Standard	result 1	date 2023-03-25	rnd 1	type Standard	result 1
		Opponent Joubert, B (Bethany)				Opponent Jagers, N (Noah)
3	5	Tournament Buffalo City Vikings Chess Trials 2024				Tournament 2nd BC Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-03-09	rnd 2	type Standard	result 1
		Opponent Bopi, L (Lumnko)				Opponent Ngewu, E (Elowo)

#	Games	Start				End
1	3	Tournament Chess Vikings Exam Rapid 2023				Tournament Chess Vikings Exam Rapid 2023
		date 2023-11-04	rnd 2	type Rapid	result 1	date 2023-11-04	rnd 4	type Rapid	result 1
		Opponent Mahembe, D (Delroy)				Opponent Mbana, N (Ndinani)
2	2	Tournament 2nd BC Trials 2023				Tournament 2nd BC Trials 2023
		date 2023-06-03	rnd 2	type Rapid	result 1	date 2023-06-03	rnd 3	type Rapid	result 1
		Opponent Chinyamurindi, A (Anochengeta)				Opponent Dyani, I (Isivile)
3	1	Tournament Chess Vikings Exam Rapid 2023				Tournament Chess Vikings Exam Rapid 2023
		date 2023-11-04	rnd 6	type Rapid	result 1	date 2023-11-04	rnd 6	type Rapid	result 1
		Opponent Brown, C (Christopher)				Opponent Brown, C (Christopher)

#	Games	Start				End
1	1	Tournament Chess Vikings VP-Mall Blitz 2024				Tournament Chess Vikings VP-Mall Blitz 2024
		date 2024-01-27	rnd 9	type Blitz	result 1	date 2024-01-27	rnd 9	type Blitz	result 1
		Opponent Sibuko, L (Lulibo)				Opponent Sibuko, L (Lulibo)
2	1	Tournament Chess Vikings VP-Mall Blitz 2024				Tournament Chess Vikings VP-Mall Blitz 2024
		date 2024-01-27	rnd 5	type Blitz	result 1	date 2024-01-27	rnd 5	type Blitz	result 1
		Opponent Van Der Sandt, J (Joshua)				Opponent Van Der Sandt, J (Joshua)
3	1	Tournament Chess Vikings VP-Mall Blitz 2024				Tournament Chess Vikings VP-Mall Blitz 2024
		date 2024-01-27	rnd 2	type Blitz	result 1	date 2024-01-27	rnd 2	type Blitz	result 1
		Opponent Slater, C (Charlie)				Opponent Slater, C (Charlie)

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	Ngewu ,E (Elowo)	8	5	106.2	8	5	106.2	0	0	0	0	0	0
1	Ngewu ,E (Elowo)	8	1297.2	1403.4	8	1298.5	1403.4	0	0	0	0	0	0
2	Ndwandwa ,L (Luhlumile)	7	0	-425	6	0	-425	1	0	-425	0	0	0
2	Ndwandwa ,L (Luhlumile)	7	1462.5	1037.5	6	1469.6	1037.5	1	1368.1	1037.5	0	0	0
3	Moyo ,M (Mihle)	5	3	85	5	3	85	0	0	0	0	0	0
3	Moyo ,M (Mihle)	5	1195	1280	5	1196.5	1280	0	0	0	0	0	0
4	Lin ,Y (Yihang)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
4	Lin ,Y (Yihang)	4	1292.8	1505.3	4	1282.2	1505.3	0	0	0	0	0	0
5	Chinyamurindi ,A (Anochengeta)	4	2	0	3	1	-141.7	1	1	425	0	0	0
5	Chinyamurindi ,A (Anochengeta)	4	1195.2	1195.2	3	1200.1	1053.5	1	1200	1620.2	0	0	0
6	Petzer ,J (Jayden)	4	2	0	3	2	141.7	1	0	-425	0	0	0
6	Petzer ,J (Jayden)	4	1405.2	1405.2	3	1416.2	1546.9	1	1258.9	980.2	0	0	0
7	Lin ,Y (Yifan)	4	2.5	106.2	3	2	141.7	1	0.5	0	0	0	0
7	Lin ,Y (Yifan)	4	1550.9	1657.1	3	1534.8	1692.5	1	1353.7	1550.9	0	0	0
8	Kwelani ,A (Amvuyele)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
8	Kwelani ,A (Amvuyele)	3	1262.4	1262.4	3	1280.8	1262.4	0	0	0	0	0	0
9	Farr ,W (William)	3	3	425	3	3	425	0	0	0	0	0	0
9	Farr ,W (William)	3	1168	1593	3	1163.9	1593	0	0	0	0	0	0
10	Mabhera ,JP (Jedidiah Panashe)	3	0	-425	3	0	-425	0	0	0	0	0	0
10	Mabhera ,JP (Jedidiah Panashe)	3	1623.9	1198.9	3	1637.7	1198.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Harman, R (Ryan)

Ratings

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Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms