Chess South Africa Ratings Database

PLAYER PAGE

Personal

Berry, R (Ryan)

Chess SA id

1090115418

FIDE id

534002570

Date of birth

2009-03-31 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

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	1506.8	1501.5	1200	1200
Raw rating	1506.8	1501.5	1200	1200
Weighted rating	1433.5	1434.2	1200	1200
Weighted performance	1429.9	1420.1	0	0
Floor	1089.6	1089.5	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	107.1	107.9	165.8	165.8
Highest rating	1589.6 2025-08-01	1589.5 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1589.6 2025-08-01	1589.5 2025-08-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1433.5 2026-01-01	1434.2 2026-01-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1589.6 2025-08-01	1589.5 2024-07-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1506.8	1501.5	1200	1200
Analysis
Rating	1506.8	1501.5	1200	1200
Raw rating	1506.8	1501.5	1200	1200
Weighted rating	1433.5	1434.2	1200
Weighted performance	1429.9	1420.1	0
K-factor	32	32	36	36
Floor	1089.6	1089.5	700	700
Max/Min rating change allowed	107.1	107.9	165.8	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	1506.8	1501.5	1200	1200
New weighted rating	1444.1	1444.1	1200	1200
New weighted performance	1420.5	1410.7	0	0
Temp new rating	1506.8	1501.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1506.8	1501.5	1200	1200
New K-factor	32	32	36	36
New floor	1089.6	1089.5	700	700

Item	Main	Standard
	0	0
	33	33
	31	31
	0	0
	0	0
	0	0
History	69	69

Games since
	Main 64	Standard 64		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	789		288		112
Male	701		251		101
U18	118		40		21
U18 Male	104		35		19
Standard
	RSA		Province		Region
Overall	790		308		118
Male	698		266		105
U18	114		44		21
U18 Male	102		39		19
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
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	33	25	75.76	218.9	1351.1	1570
Standard	33	25	75.76	218.9	1351.1	1570
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	69	46	66.67	141.7	1329.3	1470.9
Standard	69	46	66.67	141.7	1329.3	1470.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1506.8	1501.5	1200	1200
2025-11-30	1572.4	1562.9	1200	1200
2025-11-01	1572.4	1562.9	1200	1200
2025-09-30	1572.4	1562.9	1200	1200
2025-09-01	1572.4	1562.9	1200	1200
2025-08-01	1589.6	1589.5	1200	1200
2025-07-01	1497.5	1497.2	1200	1200
2025-06-01	1343.1	1351.7	1200	1200
2025-05-01	1318.8	1323.2	1200	1200
2025-04-01	1318.8	1323.2	1200	1200
2025-03-01	1318.8	1323.2	1200	1200
2025-02-01	1318.8	1323.2	1200	1200
2025-01-01	1318.8	1323.2	1200	1200
2024-12-01	1318.8	1323.2	1200	1200
2024-11-01	1318.8	1323.2	1200	1200
2024-10-01	1318.8	1323.2	1200	1200
2024-09-01	1345.9	1362.4	1200	1200
2024-11-01	1351.5	1378.6	1200	1200
2024-07-01	1308.8	1329.6	1200	1200
2024-06-01	1308.8	1329.6	1200	1200
2024-05-01	1215.3	1218.4	1200	1200
2024-04-01	1215.3	1218.4	1200	1200
2024-03-01	1215.3	1218.4	1200	1200
2024-02-01	1215.3	1218.4	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 (U18 Open)	2025-12-17	2025-12-20	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
2	2025 Mzansi Inter Provincial Team Championships (U18 Open)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
3	Gauteng Inter-Region at Emerald Resort 2025 (U16+18 Candidates)	2025-12-06	2025-12-07	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
4	2025 Tshwane North District CLOSED Team Championships (D3) (U17 Open)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
5	2025 Etienne Lewis Closed Chess Tournament (U18)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	7	4.5	Yes	Analysis
6	2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U17)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	4	4	Yes	Analysis
7	2025 Jacaranda Round Robin Open Chess Tournament (I)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
8	2025 Elise Steenkamp Open Chess Tournament (Rook)	2025-06-14	2025-06-16	Standard	Tshwane (GTP)	7	7	5	Yes	Analysis
9	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U18 Open)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
10	2024 Etienne Lewis (U16)	2024-08-30	2024-09-01	Standard	Tshwane (GTP)	7	7	2	Yes	Analysis
11	Gauteng Schools Individuals Finals 2024 (U15 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	4	1.5	Yes	Analysis
12	2024 Alekhine Open Chess Tournament (B)	2024-08-09	2024-08-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
13	2024 Tshwane North School District Cluster 4 & 5 Team League (U15)	2024-07-20	2024-07-20	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
14	2024 Tshwane North School District CLOSED Individual Champioships (U15 Boys)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
15	District 3 Cluster 4 and 5 Individuals 2024 (U15 Boys)	2024-05-04	2024-05-04	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
16	D3 Primary School League Cluster 4 2019 (U11)	2019-05-11	2019-05-11	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	12	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Etienne Lewis Closed Chess Tournament
		date 2025-06-21	rnd 1	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Selmi, T (Tayssir)				Opponent Radia, D (Diya)
2	8	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Maretela, A (Adam)				Opponent Moukangwe, K (Kwano)
3	7	Tournament 2025 Etienne Lewis Closed Chess Tournament				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-10	rnd 6	type Standard	result 0.5	date 2025-08-16	rnd 5	type Standard	result 0.5
		Opponent Wolfaardt, J (John Eduan)				Opponent Setake, K (Keagile)

#	Games	Start				End
1	12	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Etienne Lewis Closed Chess Tournament
		date 2025-06-21	rnd 1	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Selmi, T (Tayssir)				Opponent Radia, D (Diya)
2	8	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Maretela, A (Adam)				Opponent Moukangwe, K (Kwano)
3	7	Tournament 2025 Etienne Lewis Closed Chess Tournament				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-10	rnd 6	type Standard	result 0.5	date 2025-08-16	rnd 5	type Standard	result 0.5
		Opponent Wolfaardt, J (John Eduan)				Opponent Setake, K (Keagile)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	12	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Etienne Lewis Closed Chess Tournament
		date 2025-06-21	rnd 1	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Selmi, T (Tayssir)				Opponent Radia, D (Diya)
2	4	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Maretela, A (Adam)				Opponent Mmakou, L (Lesedi)
3	3	Tournament 2025 Elise Steenkamp Open Chess Tournament				Tournament 2025 Elise Steenkamp Open Chess Tournament
		date 2025-06-14	rnd 1	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Pooe, L (Lebogang)				Opponent Ramonyai, M (Maribe)

#	Games	Start				End
1	12	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Etienne Lewis Closed Chess Tournament
		date 2025-06-21	rnd 1	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Selmi, T (Tayssir)				Opponent Radia, D (Diya)
2	4	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Maretela, A (Adam)				Opponent Mmakou, L (Lesedi)
3	3	Tournament 2025 Elise Steenkamp Open Chess Tournament				Tournament 2025 Elise Steenkamp Open Chess Tournament
		date 2025-06-14	rnd 1	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Pooe, L (Lebogang)				Opponent Ramonyai, M (Maribe)

No games found.

#	Games	Start				End

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	Elskie ,T (Tamryn)	2	2	425	2	2	425	0	0	0	0	0	0
1	Elskie ,T (Tamryn)	2	1363.7	1788.7	2	1360.8	1788.7	0	0	0	0	0	0
2	Potgieter ,E (Erico)	2	2	425	2	2	425	0	0	0	0	0	0
2	Potgieter ,E (Erico)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
3	Mndebele ,M (Melusi)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
3	Mndebele ,M (Melusi)	2	1346.7	1559.2	2	1348.6	1559.2	0	0	0	0	0	0
4	Yang ,A (Alex)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Yang ,A (Alex)	2	1699.7	1274.7	2	1702.3	1274.7	0	0	0	0	0	0
5	Van Heerden ,PJA (Paul Johan Alexander)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Van Heerden ,PJA (Paul Johan Alexander)	2	1281.8	1069.2	2	1286.4	1069.2	0	0	0	0	0	0
6	Mmakou ,L (Lesedi)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mmakou ,L (Lesedi)	1	1333.1	1758.1	1	1337.5	1758.1	0	0	0	0	0	0
7	Lekalakala ,B (Bupe Amogelang)	1	1	425	1	1	425	0	0	0	0	0	0
7	Lekalakala ,B (Bupe Amogelang)	1	1434.6	1859.6	1	1411	1859.6	0	0	0	0	0	0
8	Van Heerden ,M (Maarten)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Heerden ,M (Maarten)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Masombukha ,L (Lihle)	1	1	425	1	1	425	0	0	0	0	0	0
9	Masombukha ,L (Lihle)	1	1181.2	1606.2	1	1174.1	1606.2	0	0	0	0	0	0
10	Mpande ,M (Makabongwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mpande ,M (Makabongwe)	1	1218.8	793.8	1	1223.4	793.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Berry, R (Ryan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms