Chess South Africa Ratings Database

PLAYER PAGE

Personal

Berry, R (Ryan)

Chess SA id

1090115418

FIDE id

Date of birth

2009-03-31 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1526.9

Item	Main	Standard	Rapid	Blitz
Rating	1572.4	1562.9	1200	1200
Raw rating	1572.4	1562.9	1200	1200
Weighted rating	1384.4	1388.2	1200	1200
Weighted performance	1546.9	1540.3	0	0
Floor	1089.6	1089.5	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	97.5	98.9	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	1363.9 2025-09-01	1369 2025-09-01	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	1572.4	1562.9	1200	1200
Analysis
Rating	1572.4	1562.9	1200	1200
Raw rating	1572.4	1562.9	1200	1200
Weighted rating	1384.4	1388.2	1200
Weighted performance	1546.9	1540.3	0
K-factor	32	32	36	36
Floor	1089.6	1089.5	700	700
Max/Min rating change allowed	97.5	98.9	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	1572.4	1562.9	1200	1200
New weighted rating	1403.7	1406.3	1200	1200
New weighted performance	1546.4	1539.7	0	0
Temp new rating	1572.4	1562.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1572.4	1562.9	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	786		291		115
Male	704		258		102
U18	116		39		22
U18 Male	103		34		20
Standard
	RSA		Province		Region
Overall	773		295		114
Male	684		260		101
U18	110		40		22
U18 Male	99		35		20
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
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
2024-08-01	1351.5	1378.6	1200	1200
2024-07-01	1308.8	1329.6	1200	1200
2024-06-01	1308.8	1329.6	1200	1200
2024-08-01	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
2024-01-01	1215.3	1218.4	1200	1200
2023-12-01	1215.3	1218.4	1200	1200
2023-11-01	1215.3	1218.4	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	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
2	2025 Etienne Lewis Closed Chess Tournament (U18)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	7	4.5	Yes	Analysis
3	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
4	2025 Jacaranda Round Robin Open Chess Tournament (I)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
5	2025 Elise Steenkamp Open Chess Tournament (Rook)	2025-06-14	2025-06-16	Standard	Tshwane (GTP)	7	7	5	Yes	Analysis
6	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

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	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
2	2025 Etienne Lewis Closed Chess Tournament (U18)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	7	4.5	Yes	Analysis
3	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
4	2025 Jacaranda Round Robin Open Chess Tournament (I)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
5	2025 Elise Steenkamp Open Chess Tournament (Rook)	2025-06-14	2025-06-16	Standard	Tshwane (GTP)	7	7	5	Yes	Analysis
6	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
7	2024 Etienne Lewis (U16)	2024-08-30	2024-09-01	Standard	Tshwane (GTP)	7	7	2	Yes	Analysis
8	Gauteng Schools Individuals Finals 2024 (U15 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	4	1.5	Yes	Analysis
9	2024 Alekhine Open Chess Tournament (B)	2024-08-09	2024-08-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
10	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
11	2024 Tshwane North School District CLOSED Individual Champioships (U15 Boys)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
12	District 3 Cluster 4 and 5 Individuals 2024 (U15 Boys)	2024-05-04	2024-05-04	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
13	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	Mndebele ,M (Melusi)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Mndebele ,M (Melusi)	2	1346.7	1559.2	2	1348.6	1559.2	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	Yang ,A (Alex)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Yang ,A (Alex)	2	1699.7	1274.7	2	1702.3	1274.7	0	0	0	0	0	0
4	Elskie ,T (Tamryn)	2	2	425	2	2	425	0	0	0	0	0	0
4	Elskie ,T (Tamryn)	2	1363.7	1788.7	2	1360.8	1788.7	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	Mpande ,M (Makabongwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mpande ,M (Makabongwe)	1	1218.8	793.8	1	1223.4	793.8	0	0	0	0	0	0
7	Potgieter ,W (Wilmari)	1	1	425	1	1	425	0	0	0	0	0	0
7	Potgieter ,W (Wilmari)	1	1298.4	1723.4	1	1313.4	1723.4	0	0	0	0	0	0
8	Kameel ,O (Ofentse)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Kameel ,O (Ofentse)	1	1207.4	782.4	1	1206.7	782.4	0	0	0	0	0	0
9	Fraser ,J (Jacobus)	1	1	425	1	1	425	0	0	0	0	0	0
9	Fraser ,J (Jacobus)	1	1247.7	1672.7	1	1239.9	1672.7	0	0	0	0	0	0
10	Burgers ,AJ (Adriaan Johannes)	1	1	425	1	1	425	0	0	0	0	0	0
10	Burgers ,AJ (Adriaan Johannes)	1	1554	1979	1	1559.2	1979	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Berry, R (Ryan)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms