Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Joel Jacobs

1150146349
Nelson Mandela Bay (ENM)

Tournament details

Tour Id	20260698
Group Id	20260697
Name	2026 NMBCU Trials 2
Section	U12
Rounds	6
Format	Swiss
Type	Standard
Start	2026-03-06
End	2026-03-07
Submitted	2026-03-09
Rated	2026-03-11
Submit age weight	1
Host	Nelson Mandela Bay (ENM)
Total time	60
Time weight	0.83
Official results	Official results

General

Games	6
Score	4
Percent	66.7
Dp	141.7
Aor	1422.9
Perform	1564.6
Penalties	0
Wins	4
Draws	0
Losses	2
White	3
Black	3
White wins	2
Black wins	2
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	4
Final Pos	3
Share Pos	3
Count for rating	Yes

Analysis (Main)

Rating	1494.3
K-factor	32
Score	4
Expected score	3.5
Score - Expected score	0.5
Rating +/-	13.3

Analysis (Type)

Rating	1510.1
K-factor	32
Score	4
Expected score	3.6
Score - Expected score	0.4
Rating +/-	12.7

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	2026-03-06	Andrews, E (Elijah Ricardo)	ENM		1346	1381.4	B	1	0.63	0.37	9.8	0.61	0.39	12.5	Yes
2	2026-03-07	Coetzer, H (Hanroux)	ENM		1378.8	1386.5	W	1	0.68	0.32	8.6	0.69	0.31	10.1	Yes
3	2026-03-07	Viljoen, C (Colton)	ENM		1487.3	1469	B	0	0.47	-0.47	-12.4	0.51	-0.51	-16.2	Yes
4	2026-03-07	Borriero, L (Luca)	ENM		1407.6	1395.4	W	1	0.64	0.36	9.5	0.68	0.32	10.4	Yes
5	2026-03-07	Verwey, M (Malan)	ENM		1509.3	1505.3	B	1	0.44	0.56	14.9	0.46	0.54	17.2	Yes
6	2026-03-07	Armstrong, K (Kristin)	ENM		1408.3	1406.2	W	0	0.64	-0.64	-17	0.66	-0.66	-21.2	Yes