Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jairosi, IA (Isheunesu Anesu)

Chess SA id

190013540

FIDE id

Date of birth

1990-08-26 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1795.9	1801.4	1730	1730
Raw rating	1795.9	1801.4	1730	1730
Weighted rating	1787	1789	1730	1730
Weighted performance	0	0	0	0
Floor	1295.9	1301.4	1230	1230
K-factor	28	24	28	28
Min/Max rating change allowed	70.9	70.4	77.9	77.9
Highest rating	1795.9 2025-06-01	1801.4 2025-06-01	1730 2018-07-01	1730 2018-07-01
Highest raw rating	1795.9 2025-06-01	1801.4 2025-06-01	1730 2024-02-01	1730 2024-02-01
Highest weighted rating	1783.5 2025-08-01	1784.7 2025-08-01	1730 2018-07-01	1730 2018-07-01
Highest weighted performance	1645.7 2019-04-01	1645.6 2019-04-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1795.9	1801.4	1730	1730
Analysis
Rating	1795.9	1801.4	1730	1730
Raw rating	1795.9	1801.4	1730	1730
Weighted rating	1787	1789	1730
Weighted performance	0	0	0
K-factor	28	24	28	28
Floor	1295.9	1301.4	1230	1230
Max/Min rating change allowed	70.9	70.4	77.9	77.9
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	1795.9	1801.4	1730	1730
New weighted rating	1788.3	1790.7	1730	1730
New weighted performance	0	0	0	0
Temp new rating	1795.9	1801.4	1730	1730
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1795.9	1801.4	1730	1730
New K-factor	28	24	28	28
New floor	1295.9	1301.4	1230	1230

Item	Main	Standard
	0	0
	5	5
	0	0
	0	0
	0	0
	0	0
History	99	99

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	5	2	40	-85	1965.8	1880.8
Standard	5	2	40	-85	1965.8	1880.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	8.5	42.5	-63.8	1787.2	1723.4
Standard	20	8.5	42.5	-63.8	1787.2	1723.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1795.9	1801.4	1730	1730
2025-09-01	1795.9	1801.4	1730	1730
2025-08-01	1795.9	1801.4	1730	1730
2025-07-01	1795.9	1801.4	1730	1730
2025-06-01	1795.9	1801.4	1730	1730
2025-05-01	1783	1783	1730	1730
2025-04-01	1783	1783	1730	1730
2025-03-01	1783	1783	1730	1730
2025-02-01	1783	1783	1730	1730
2025-01-01	1783	1783	1730	1730
2024-12-01	1783	1783	1730	1730
2024-11-01	1783	1783	1730	1730
2024-10-01	1783	1783	1730	1730
2024-09-01	1783	1783	1730	1730
2024-08-01	1783	1783	1730	1730
2024-07-01	1783	1783	1730	1730
2024-06-01	1783	1783	1730	1730
2024-08-01	1783	1783	1730	1730
2024-04-01	1783	1783	1730	1730
2024-03-01	1783	1783	1730	1730
2024-02-01	1783	1783	1730	1730
2024-01-01	1783	1783	1730	1730
2023-12-01	1710.2	1706.8	1730	1730
2023-11-01	1710.2	1706.8	1730	1730

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	Mzansi Africa Classic 2025 (Expert)	2025-05-17	2025-05-17	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mzansi Africa Classic 2025 (Expert)	2025-05-17	2025-05-17	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	JNW Club - Charterhouse Open 2019 (A)	2019-04-13	2019-04-13	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	JNW Club - Trinityhouse Randpark Ridge Open 2019 (A)	2019-03-09	2019-03-09	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
4	The Outpost Chess Club Open 2018 (A)	2018-03-16	2018-03-17	Standard	Johannesburg Metro (GJM)	6	5	1	Yes	Analysis

#	Games	Start				End
1	5	Tournament JNW Club - Charterhouse Open 2019				Tournament Mzansi Africa Classic 2025
		date 2019-04-13	rnd 3	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Chinoruma, T (Taurai)				Opponent Badenhorst, D (Daniel)
2	2	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 3	type Standard	result 0.5	date 2019-03-09	rnd 4	type Standard	result 1
		Opponent Weisz, B (Benjamin)				Opponent Richter, J-M (Jan-Michael)
3	1	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 1	type Standard	result 1	date 2019-03-09	rnd 1	type Standard	result 1
		Opponent Potgieter, E (Edward)				Opponent Potgieter, E (Edward)

#	Games	Start				End
1	5	Tournament JNW Club - Charterhouse Open 2019				Tournament Mzansi Africa Classic 2025
		date 2019-04-13	rnd 3	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Chinoruma, T (Taurai)				Opponent Badenhorst, D (Daniel)
2	2	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 3	type Standard	result 0.5	date 2019-03-09	rnd 4	type Standard	result 1
		Opponent Weisz, B (Benjamin)				Opponent Richter, J-M (Jan-Michael)
3	1	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 1	type Standard	result 1	date 2019-03-09	rnd 1	type Standard	result 1
		Opponent Potgieter, E (Edward)				Opponent Potgieter, E (Edward)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament JNW Club - Charterhouse Open 2019				Tournament Mzansi Africa Classic 2025
		date 2019-04-13	rnd 3	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Chinoruma, T (Taurai)				Opponent Badenhorst, D (Daniel)
2	1	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 4	type Standard	result 1	date 2019-03-09	rnd 4	type Standard	result 1
		Opponent Richter, J-M (Jan-Michael)				Opponent Richter, J-M (Jan-Michael)
3	1	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 1	type Standard	result 1	date 2019-03-09	rnd 1	type Standard	result 1
		Opponent Potgieter, E (Edward)				Opponent Potgieter, E (Edward)

#	Games	Start				End
1	5	Tournament JNW Club - Charterhouse Open 2019				Tournament Mzansi Africa Classic 2025
		date 2019-04-13	rnd 3	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Chinoruma, T (Taurai)				Opponent Badenhorst, D (Daniel)
2	1	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 4	type Standard	result 1	date 2019-03-09	rnd 4	type Standard	result 1
		Opponent Richter, J-M (Jan-Michael)				Opponent Richter, J-M (Jan-Michael)
3	1	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 1	type Standard	result 1	date 2019-03-09	rnd 1	type Standard	result 1
		Opponent Potgieter, E (Edward)				Opponent Potgieter, E (Edward)

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	Modi ,Y (Yashil)	2	1	0	2	1	0	0	0	0	0	0	0
1	Modi ,Y (Yashil)	2	1827.8	1827.8	2	1826.8	1827.8	0	0	0	0	0	0
2	Xulu ,L (Lindokuhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Xulu ,L (Lindokuhle)	1	2019.5	1594.5	1	2056.9	1594.5	0	0	0	0	0	0
3	Arnold ,M (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
3	Arnold ,M (Michael)	1	1563.6	1988.6	1	1566.5	1988.6	0	0	0	0	0	0
4	Richter ,J-M (Jan-Michael)	1	1	425	1	1	425	0	0	0	0	0	0
4	Richter ,J-M (Jan-Michael)	1	1626.8	2051.8	1	1620.7	2051.8	0	0	0	0	0	0
5	Mnguni ,JD (Jakob Dumisani)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mnguni ,JD (Jakob Dumisani)	1	2182.1	1757.1	1	2202.3	1757.1	0	0	0	0	0	0
6	Peretz ,L (Leon)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Peretz ,L (Leon)	1	1859.2	1434.2	1	1859.2	1434.2	0	0	0	0	0	0
7	Weisz ,B (Benjamin)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Weisz ,B (Benjamin)	1	1465.9	1465.9	1	1461.2	1465.9	0	0	0	0	0	0
8	Mwale ,J (Joseph)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mwale ,J (Joseph)	1	2160.5	1735.5	1	2153.5	1735.5	0	0	0	0	0	0
9	Adamson ,LJ (Luke Jonathan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Adamson ,LJ (Luke Jonathan)	1	1618.7	2043.7	1	1623.5	2043.7	0	0	0	0	0	0
10	De Abreu ,RN (Roberto Nicolau)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	De Abreu ,RN (Roberto Nicolau)	1	2146.7	1721.7	1	2140.8	1721.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jairosi, IA (Isheunesu Anesu)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms