Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Nathan Norris

1110139761
Nelson Mandela Bay (ENM)

Tournament details

Tour Id	20252735
Group Id	20252728
Name	EC Closed 2025
Section	U16 Open
Rounds	6
Format	Swiss
Type	Standard
Start	2025-09-06
End	2025-09-07
Submitted	2025-09-09
Rated	2025-09-12
Submit age weight	1
Host	Nelson Mandela Bay (ENM)
Total time	90
Time weight	0.94
Official results	Official results

General

Games	6
Score	2.5
Percent	41.7
Dp	-70.8
Aor	1466.7
Perform	1395.8
Penalties	0
Wins	2
Draws	1
Losses	3
White	3
Black	3
White wins	1
Black wins	1
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	30
Final Pos	28
Share Pos	26
Count for rating	Yes

Analysis (Main)

Rating	1366.8
K-factor	20
Score	2.5
Expected score	2.3
Score - Expected score	0.2
Rating +/-	3.8

Analysis (Type)

Rating	1366.8
K-factor	20
Score	2.5
Expected score	2.4
Score - Expected score	0.1
Rating +/-	2

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	2025-09-06	Twigg, G (Garen)	ENM		1593.8	1604.4	B	0	0.19	-0.19	-3.6	0.18	-0.18	-3.6	Yes
2	2025-09-06	Lamani, A (Ayintanda)	EBC		1199.3	1199	W	1	0.74	0.26	4.9	0.74	0.26	5.2	Yes
3	2025-09-06	Nkolongo, O (Okuhle)	ESB		1477.9	1465.9	B	1	0.33	0.67	12.6	0.34	0.66	13.2	Yes
4	2025-09-06	Coetzee, S (Samual)	ENM		1515.1	1499.9	W	0.5	0.37	0.13	2.4	0.39	0.11	2.2	Yes
5	2025-09-07	Dugmore, D (Deacon)	ENM		1605.1	1603.9	B	0	0.18	-0.18	-3.4	0.18	-0.18	-3.6	Yes
6	2025-09-07	Ndabambi, A (Awothando)	EBC		1408.8	1343.9	W	0	0.49	-0.49	-9.2	0.57	-0.57	-11.4	Yes