Chess South Africa Ratings Database

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Personal

Davies, Y (Yibka)

Chess SA id

164006151

FIDE id

Date of birth

1964-04-20 (Adult)

Gender

Male

Region

Sekhukhune (LSG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1598.7	1581.6	1614.9	1618
Raw rating	1598.7	1581.6	1614.9	1618
Weighted rating	1597.4	1581.6	1614.4	1618
Weighted performance	0	0	0	0
Floor	1118	1118	1118	1118
K-factor	28	28	28	28
Min/Max rating change allowed	94	96.3	91.8	91.4
Highest rating	1618 2019-01-01	1618 2019-01-01	1618 2019-01-01	1618 2019-01-01
Highest raw rating	1618 2018-01-01	1618 2018-01-01	1618 2024-02-01	1618 2024-02-01
Highest weighted rating	1618 2019-01-01	1618 2019-01-01	1618 2019-01-01	1618 2019-01-01
Highest weighted performance	1475.7 2020-02-01	1468 2019-07-01	1543.3 2024-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1598.7	1581.6	1614.9	1618
Analysis
Rating	1598.7	1581.6	1614.9	1618
Raw rating	1598.7	1581.6	1614.9	1618
Weighted rating	1597.4	1581.6	1614.4
Weighted performance	0	0	0
K-factor	28	28	28	28
Floor	1118	1118	1118	1118
Max/Min rating change allowed	94	96.3	91.8	91.4
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	1598.7	1581.6	1614.9	1618
New weighted rating	1597.7	1581.6	1614.4	1618
New weighted performance	0	0	0	0
Temp new rating	1598.7	1581.6	1614.9	1618
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1598.7	1581.6	1614.9	1618
New K-factor	28	28	28	28
New floor	1118	1118	1118	1118

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	6	0	6
	0	0	0
	0	0	0
	0	0	0
History	101	95	6

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Male
Age group	Adult
Region	Sekhukhune (LSG)
Province	Limpopo (LP)
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	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	16	11	68.75	159.4	1389.8	1549.2
Standard	10	6.5	65	127.5	1360.4	1487.9
Rapid	6	4.5	75	212.5	1438.8	1651.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1598.7	1581.6	1614.9	1618
2025-09-01	1598.7	1581.6	1614.9	1618
2025-08-01	1598.7	1581.6	1614.9	1618
2025-07-01	1598.7	1581.6	1614.9	1618
2025-06-01	1598.7	1581.6	1614.9	1618
2025-05-01	1598.7	1581.6	1614.9	1618
2025-04-01	1598.7	1581.6	1614.9	1618
2025-03-01	1598.7	1581.6	1614.9	1618
2025-02-01	1598.7	1581.6	1614.7	1618
2025-01-01	1598.7	1581.6	1611.3	1618
2024-12-01	1598.7	1581.6	1611.3	1618
2024-11-01	1598.7	1581.6	1611.3	1618
2024-10-01	1598.7	1581.6	1611.3	1618
2024-09-01	1598.7	1581.6	1611.3	1618
2024-08-01	1598.7	1581.6	1611.3	1618
2024-07-01	1590	1581.6	1618	1618
2024-06-01	1590	1581.6	1618	1618
2024-08-01	1590	1581.6	1618	1618
2024-04-01	1590	1581.6	1618	1618
2024-03-01	1590	1581.6	1618	1618
2024-02-01	1590	1581.6	1618	1618
2024-01-01	1590	1581.6	1618	1618
2023-12-01	1590	1581.6	1618	1618
2023-11-01	1590	1581.6	1618	1618

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	Mopani Open 2024 (A)	2024-07-13	2024-07-13	Rapid	Mopani (LMG)	6	6	4.5	Yes	Analysis
2	4th University Of Limpopo Challenge 2020	2020-02-29	2020-02-29	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
3	1st Mopani Open 2019	2019-07-27	2019-07-27	Standard	Mopani (LMG)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Mopani Open 2024				Tournament Mopani Open 2024
		date 2024-07-13	rnd 3	type Rapid	result 0.5	date 2024-07-13	rnd 6	type Rapid	result 1
		Opponent Lekgothoane, N (Noko)				Opponent Mhlongo, M (Memory)
2	3	Tournament 1st Mopani Open 2019				Tournament 1st Mopani Open 2019
		date 2019-07-27	rnd 1	type Standard	result 1	date 2019-07-27	rnd 3	type Standard	result 0.5
		Opponent Moloto, L (Lesetja)				Opponent Mabala, S (Sekgoadi)
3	2	Tournament 4th University Of Limpopo Challenge 2020				Tournament 4th University Of Limpopo Challenge 2020
		date 2020-02-29	rnd 3	type Standard	result 1	date 2020-02-29	rnd 4	type Standard	result 1
		Opponent Mabitsela, KM (Miranda)				Opponent Shikwambane, S (Stanley)

#	Games	Start				End
1	3	Tournament 1st Mopani Open 2019				Tournament 1st Mopani Open 2019
		date 2019-07-27	rnd 1	type Standard	result 1	date 2019-07-27	rnd 3	type Standard	result 0.5
		Opponent Moloto, L (Lesetja)				Opponent Mabala, S (Sekgoadi)
2	2	Tournament 4th University Of Limpopo Challenge 2020				Tournament 4th University Of Limpopo Challenge 2020
		date 2020-02-29	rnd 3	type Standard	result 1	date 2020-02-29	rnd 4	type Standard	result 1
		Opponent Mabitsela, KM (Miranda)				Opponent Shikwambane, S (Stanley)
3	2	Tournament 1st Mopani Open 2019				Tournament 4th University Of Limpopo Challenge 2020
		date 2019-07-27	rnd 5	type Standard	result 1	date 2020-02-29	rnd 1	type Standard	result 1
		Opponent Gudhluza, N (Nyiko)				Opponent Nchabeleng, M (Moremi)

#	Games	Start				End
1	4	Tournament Mopani Open 2024				Tournament Mopani Open 2024
		date 2024-07-13	rnd 3	type Rapid	result 0.5	date 2024-07-13	rnd 6	type Rapid	result 1
		Opponent Lekgothoane, N (Noko)				Opponent Mhlongo, M (Memory)
2	1	Tournament Mopani Open 2024				Tournament Mopani Open 2024
		date 2024-07-13	rnd 1	type Rapid	result 1	date 2024-07-13	rnd 1	type Rapid	result 1
		Opponent Moseamedi, E (Ernest)				Opponent Moseamedi, E (Ernest)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Mopani Open 2024				Tournament Mopani Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 6	type Rapid	result 1
		Opponent Masithulela, R (Riphuluse)				Opponent Mhlongo, M (Memory)
2	2	Tournament 4th University Of Limpopo Challenge 2020				Tournament 4th University Of Limpopo Challenge 2020
		date 2020-02-29	rnd 3	type Standard	result 1	date 2020-02-29	rnd 4	type Standard	result 1
		Opponent Mabitsela, KM (Miranda)				Opponent Shikwambane, S (Stanley)
3	2	Tournament 1st Mopani Open 2019				Tournament 4th University Of Limpopo Challenge 2020
		date 2019-07-27	rnd 5	type Standard	result 1	date 2020-02-29	rnd 1	type Standard	result 1
		Opponent Gudhluza, N (Nyiko)				Opponent Nchabeleng, M (Moremi)

#	Games	Start				End
1	2	Tournament 4th University Of Limpopo Challenge 2020				Tournament 4th University Of Limpopo Challenge 2020
		date 2020-02-29	rnd 3	type Standard	result 1	date 2020-02-29	rnd 4	type Standard	result 1
		Opponent Mabitsela, KM (Miranda)				Opponent Shikwambane, S (Stanley)
2	2	Tournament 1st Mopani Open 2019				Tournament 4th University Of Limpopo Challenge 2020
		date 2019-07-27	rnd 5	type Standard	result 1	date 2020-02-29	rnd 1	type Standard	result 1
		Opponent Gudhluza, N (Nyiko)				Opponent Nchabeleng, M (Moremi)
3	2	Tournament 1st Mopani Open 2019				Tournament 1st Mopani Open 2019
		date 2019-07-27	rnd 1	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Moloto, L (Lesetja)				Opponent Horak, E (Etienne)

#	Games	Start				End
1	3	Tournament Mopani Open 2024				Tournament Mopani Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 6	type Rapid	result 1
		Opponent Masithulela, R (Riphuluse)				Opponent Mhlongo, M (Memory)
2	1	Tournament Mopani Open 2024				Tournament Mopani Open 2024
		date 2024-07-13	rnd 1	type Rapid	result 1	date 2024-07-13	rnd 1	type Rapid	result 1
		Opponent Moseamedi, E (Ernest)				Opponent Moseamedi, E (Ernest)

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	Horak ,E (Etienne)	1	1	425	1	1	425	0	0	0	0	0	0
1	Horak ,E (Etienne)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Gudhluza ,N (Nyiko)	1	1	425	1	1	425	0	0	0	0	0	0
2	Gudhluza ,N (Nyiko)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Nchabeleng ,M (Moremi)	1	1	425	1	1	425	0	0	0	0	0	0
3	Nchabeleng ,M (Moremi)	1	1329.9	1754.9	1	1324.2	1754.9	0	0	0	0	0	0
4	Mabitsela ,KM (Miranda)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mabitsela ,KM (Miranda)	1	1376.1	1801.1	1	1380.3	1801.1	0	0	0	0	0	0
5	Moloto ,L (Lesetja)	1	1	425	1	1	425	0	0	0	0	0	0
5	Moloto ,L (Lesetja)	1	1089.6	1514.6	1	1073.2	1514.6	0	0	0	0	0	0
6	Shikwambane ,S (Stanley)	1	1	425	1	1	425	0	0	0	0	0	0
6	Shikwambane ,S (Stanley)	1	1311.6	1736.6	1	1312	1736.6	0	0	0	0	0	0
7	Menyuku ,MW (Madimetja William)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Menyuku ,MW (Madimetja William)	1	1557	1132	1	1480.3	1132	0	0	0	0	0	0
8	Kekana ,S (Simon)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Kekana ,S (Simon)	1	1567.8	1142.8	1	1565.2	1142.8	0	0	0	0	0	0
9	Mabala ,S (Sekgoadi)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Mabala ,S (Sekgoadi)	1	1388.6	1388.6	1	1386.6	1388.6	0	0	0	0	0	0
10	Chabalala ,W (Whisper)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Chabalala ,W (Whisper)	1	1584.1	1159.1	1	1571.7	1159.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Davies, Y (Yibka)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms