Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koshy, R (Rochelle)

Chess SA id

2100097271

FIDE id

Date of birth

2010-04-01 (U16)

Gender

Female

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-03-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1217.9	1207	1201.6	1200
Raw rating	1217.9	1207	1201.6	1200
Weighted rating	1217.9	1207	1201.6	1200
Weighted performance	550.4	549.1	0	0
Floor	788.4	791.5	701.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.6	164.2	165.4	165.8
Highest rating	1302.3 2019-05-01	1305.5 2019-05-01	1205.3 2018-04-01	1200 2018-10-01
Highest raw rating	1288.4 2019-12-01	1291.5 2019-12-01	1201.6 2024-03-01	1200 2024-03-01
Highest weighted rating	1288.4 2020-02-01	1291.5 2020-02-01	1201.6 2024-03-01	1200 2018-10-01
Highest weighted performance	1302.3 2019-05-01	1305.5 2019-05-01	1205.3 2018-04-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1217.9	1207	1201.6	1200
Analysis
Rating	1217.9	1207	1201.6	1200
Raw rating	1217.9	1207	1201.6	1200
Weighted rating	1217.9	1207	1201.6
Weighted performance	550.4	549.1	0
K-factor	36	36	36	36
Floor	788.4	791.5	701.6	700
Max/Min rating change allowed	161.6	164.2	165.4	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	1217.9	1207	1201.6	1200
New weighted rating	1217.9	1207	1201.6	1200
New weighted performance	543.4	542.2	0	0
Temp new rating	1217.9	1207	1201.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1217.9	1207	1201.6	1200
New K-factor	36	36	36	36
New floor	788.4	791.5	701.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	10	10	0
	4	4	0
History	70	63	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	70	38.5	55	42.5	1184.3	1226.8
Standard	63	35	55.56	47.2	1183.1	1230.3
Rapid	7	3.5	50	0	1195.7	1195.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1217.9	1207	1201.6	1200
2025-09-30	1217.9	1207	1201.6	1200
2025-09-01	1217.9	1207	1201.6	1200
2025-08-01	1217.9	1207	1201.6	1200
2025-07-01	1217.9	1207	1201.6	1200
2025-06-01	1217.9	1207	1201.6	1200
2025-05-01	1217.9	1207	1201.6	1200
2025-04-01	1217.9	1207	1201.6	1200
2025-03-01	1217.9	1207	1201.6	1200
2025-02-01	1217.9	1207	1201.6	1200
2025-01-01	1217.9	1207	1201.6	1200
2024-12-01	1217.9	1207	1201.6	1200
2024-11-01	1217.9	1207	1201.6	1200
2024-10-01	1217.9	1207	1201.6	1200
2024-09-01	1217.9	1207	1201.6	1200
2024-08-01	1217.9	1207	1201.6	1200
2024-07-01	1217.9	1207	1201.6	1200
2024-09-01	1217.9	1207	1201.6	1200
2024-05-01	1217.9	1207	1201.6	1200
2024-04-01	1217.9	1207	1201.6	1200
2024-03-01	1217.9	1207	1201.6	1200
2024-02-01	1217.9	1207	1201.6	1200
2024-01-01	1217.9	1207	1201.6	1200
2023-12-01	1217.9	1207	1201.6	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	BC Trials 3 2022 (U14A)	2022-03-05	2022-03-05	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
2	BC Trials 1 2022 (U14A)	2022-02-11	2022-02-11	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
3	Mortal Kombat 2021 (B)	2021-04-10	2021-04-10	Standard	Buffalo City (EBC)	5	4	3	Yes	Analysis
4	South Park Valentinez Open 2020 (B)	2020-02-22	2020-02-22	Standard	Buffalo City (EBC)	5	5	2.5	Yes	Analysis
5	BC Trials 2 2020 (U12B)	2020-02-29	2020-02-29	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
6	Buffalo City Trials 5 of 5 2019 (U10B)	2019-05-25	2019-05-25	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
7	Buffalo City Trials 4 of 5 2019 (U10B)	2019-05-04	2019-05-04	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
8	Buffalo City Trials 3 of 5 2019 (U10B)	2019-04-13	2019-04-13	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
9	Buffalo City Trials 1 of 5 2019 (U10B)	2019-02-09	2019-02-09	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
10	East London School League 2018 (Foundation)	2018-08-18	2018-08-18	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
11	5th Buffalo Trials 2018 (U10A)	2018-05-26	2018-05-26	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
12	4th Buffalo Trials 2018 (U10B)	2018-05-05	2018-05-05	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
13	3rd Buffalo Trials 2018 (U10B)	2018-04-14	2018-04-14	Rapid	Buffalo City (EBC)	7	7	3.5	Yes	Analysis
14	Buffalo City 1st Chess Trials 2018 (U8B+U10B)	2018-02-17	2018-02-17	Standard	Buffalo City (EBC)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament South Park Valentinez Open 2020				Tournament BC Trials 2 2020
		date 2020-02-22	rnd 5	type Standard	result 0.5	date 2020-02-29	rnd 3	type Standard	result 1
		Opponent Komans, A (Aggie)				Opponent Victor, B (Bradley)
2	4	Tournament Buffalo City Trials 4 of 5 2019				Tournament Buffalo City Trials 4 of 5 2019
		date 2019-05-04	rnd 1	type Standard	result 0.5	date 2019-05-04	rnd 4	type Standard	result 0.5
		Opponent Beecum, V (Viha)				Opponent Carenza, C (Carter)
3	4	Tournament East London School League 2018				Tournament Buffalo City Trials 1 of 5 2019
		date 2018-08-18	rnd 4	type Standard	result 1	date 2019-02-09	rnd 2	type Standard	result 1
		Opponent Venter, JT (Jt)				Opponent Taylor, D (Dan)

#	Games	Start				End
1	5	Tournament Buffalo City 1st Chess Trials 2018				Tournament 4th Buffalo Trials 2018
		date 2018-02-17	rnd 2	type Standard	result 0.5	date 2018-05-05	rnd 1	type Standard	result 1
		Opponent Dyabooi, A (Azingce)				Opponent Bronkhorst, J (Joachim)
2	4	Tournament South Park Valentinez Open 2020				Tournament BC Trials 2 2020
		date 2020-02-22	rnd 5	type Standard	result 0.5	date 2020-02-29	rnd 3	type Standard	result 1
		Opponent Komans, A (Aggie)				Opponent Victor, B (Bradley)
3	4	Tournament Buffalo City Trials 4 of 5 2019				Tournament Buffalo City Trials 4 of 5 2019
		date 2019-05-04	rnd 1	type Standard	result 0.5	date 2019-05-04	rnd 4	type Standard	result 0.5
		Opponent Beecum, V (Viha)				Opponent Carenza, C (Carter)

#	Games	Start				End
1	3	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 2	type Rapid	result 0.5	date 2018-04-14	rnd 4	type Rapid	result 1
		Opponent Capa, T (Thando)				Opponent Venter, JT (Jt)
2	1	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 6	type Rapid	result 1	date 2018-04-14	rnd 6	type Rapid	result 1
		Opponent Botha, T (Tyler)				Opponent Botha, T (Tyler)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament BC Trials 2 2020				Tournament BC Trials 2 2020
		date 2020-02-29	rnd 1	type Standard	result 1	date 2020-02-29	rnd 3	type Standard	result 1
		Opponent Mpondo, A (Ambesiwe)				Opponent Victor, B (Bradley)
2	3	Tournament Buffalo City Trials 3 of 5 2019				Tournament Buffalo City Trials 3 of 5 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Mpika, L (Likhona)				Opponent Blom, B (Blake)
3	2	Tournament BC Trials 3 2022				Tournament BC Trials 3 2022
		date 2022-03-05	rnd 3	type Standard	result 1	date 2022-03-05	rnd 4	type Standard	result 1
		Opponent Veleekizhakethil, E (Elina Joseph)				Opponent Stevens, G (Gisele)

#	Games	Start				End
1	3	Tournament BC Trials 2 2020				Tournament BC Trials 2 2020
		date 2020-02-29	rnd 1	type Standard	result 1	date 2020-02-29	rnd 3	type Standard	result 1
		Opponent Mpondo, A (Ambesiwe)				Opponent Victor, B (Bradley)
2	3	Tournament Buffalo City Trials 3 of 5 2019				Tournament Buffalo City Trials 3 of 5 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Mpika, L (Likhona)				Opponent Blom, B (Blake)
3	2	Tournament BC Trials 3 2022				Tournament BC Trials 3 2022
		date 2022-03-05	rnd 3	type Standard	result 1	date 2022-03-05	rnd 4	type Standard	result 1
		Opponent Veleekizhakethil, E (Elina Joseph)				Opponent Stevens, G (Gisele)

#	Games	Start				End
1	2	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 3	type Rapid	result 1	date 2018-04-14	rnd 4	type Rapid	result 1
		Opponent Kosani, L (Lunje)				Opponent Venter, JT (Jt)
2	1	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 6	type Rapid	result 1	date 2018-04-14	rnd 6	type Rapid	result 1
		Opponent Botha, T (Tyler)				Opponent Botha, T (Tyler)

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	Voyi ,T (Thando)	4	0	-425	4	0	-425	0	0	0	0	0	0
1	Voyi ,T (Thando)	4	1311.7	886.7	4	1312.8	886.7	0	0	0	0	0	0
2	Ningi ,K (Kwezikazi)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
2	Ningi ,K (Kwezikazi)	3	1222	938.7	3	1224	938.7	0	0	0	0	0	0
3	Bruton ,I (Isaiah)	2	2	425	2	2	425	0	0	0	0	0	0
3	Bruton ,I (Isaiah)	2	1167.4	1592.4	2	1160.8	1592.4	0	0	0	0	0	0
4	George ,A (Alaina)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	George ,A (Alaina)	2	1108.4	683.4	2	1109.8	683.4	0	0	0	0	0	0
5	Blom ,B (Blake)	2	2	425	2	2	425	0	0	0	0	0	0
5	Blom ,B (Blake)	2	1245.8	1670.8	2	1255.7	1670.8	0	0	0	0	0	0
6	Slater ,J (James)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Slater ,J (James)	2	1120.8	695.8	2	1119.6	695.8	0	0	0	0	0	0
7	Ngxazisa ,Q (Qonda)	2	2	425	2	2	425	0	0	0	0	0	0
7	Ngxazisa ,Q (Qonda)	2	1186.7	1611.7	2	1183.8	1611.7	0	0	0	0	0	0
8	Veleekizhakethil ,E (Elina Joseph)	2	2	425	2	2	425	0	0	0	0	0	0
8	Veleekizhakethil ,E (Elina Joseph)	2	1124.4	1549.4	2	1117.1	1549.4	0	0	0	0	0	0
9	Beecum ,V (Viha)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
9	Beecum ,V (Viha)	2	1163.5	951	2	1159.2	951	0	0	0	0	0	0
10	Venter ,JT (Jt)	2	2	425	1	1	425	1	1	425	0	0	0
10	Venter ,JT (Jt)	2	1183.1	1608.1	1	1199.6	1608.1	1	1200	1608.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Koshy, R (Rochelle)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms