Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Joseph Amachukwu

1090158533
Nelson Mandela Bay (ENM)

Tournament details

Tour Id	20263546
Group Id	20263535
Name	Eastern Cape Closed Championship 2026
Section	U18 Open
Rounds	6
Format	Swiss
Type	Standard
Start	2026-09-25
End	2026-09-26
Submitted	2026-09-30
Rated	2026-10-01
Submit age weight	1
Host	Sarah Baartman (ESB)
Total time	62
Time weight	0.84
Official results	Official results

General

Games	6
Score	4.5
Percent	75
Dp	212.5
Aor	1556.6
Perform	1769.1
Penalties	0
Wins	3
Draws	3
Losses	0
White	3
Black	3
White wins	2
Black wins	1
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	7
Final Pos	4
Share Pos	4
Count for rating	Yes

Analysis (Main)

Rating	1605.7
K-factor	28
Score	4.5
Expected score	3.34
Score - Expected score	1.16
Rating +/-	27.2

Analysis (Type)

Rating	1603.4
K-factor	28
Score	4.5
Expected score	3.41
Score - Expected score	1.09
Rating +/-	30.5

Opponents

Round	Date	Opponent	Fed	Title	Main	Type	Col	Res	Main			Type			Cfr
Round	Date	Opponent	Fed	Title	Main	Type	Col	Res	We	Swe	+/-	We	Swe	+/-	Cfr
1	2026-09-25	Goldswain, M (Matthew)	EBC		1367.8	1396.5	B	1	0.74	0.26	6.2	0.7	0.3	8.4	Yes
2	2026-09-25	Ndlovu, O (Obuzwe)	EOR		1483	1402.6	W	1	0.68	0.32	7.4	0.78	0.22	6.3	Yes
3	2026-09-26	Murray, J (Jaydon)	ENM		1661.6	1665.4	W	1	0.48	0.52	12.3	0.47	0.53	14.9	Yes
4	2026-09-26	Mwelwa, P (Palo)	EBC		1633.2	1625.8	B	0.5	0.43	0.07	1.7	0.43	0.07	1.9	Yes
5	2026-09-26	Jiki, S (Sandiso)	ENM		1561.8	1562.9	W	0.5	0.59	-0.09	-2.2	0.59	-0.09	-2.5	Yes
6	2026-09-26	Ackerdien, S (Saud)	ENM		1632.2	1613.6	B	0.5	0.43	0.07	1.7	0.45	0.05	1.5	Yes