Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

David Sessions

1120314443
Cape Town (WCT)

Tournament details

Tour Id	20260294
Group Id	20260286
Name	District Central Schools Chess Individual Trials 2026
Section	U15 Open
Rounds	6
Format	Swiss
Type	Standard
Start	2026-02-07
End	2026-02-07
Submitted	2026-02-12
Rated	2026-02-17
Submit age weight	0.717
Host	Cape Town (WCT)
Total time	60
Time weight	0.83
Official results	Official results

General

Games	6
Score	4
Percent	66.7
Dp	141.7
Aor	1277.4
Perform	1419.1
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	11
Final Pos	5
Share Pos	3
Count for rating	Yes

Analysis (Main)

Rating	1284.1
K-factor	20
Score	4
Expected score	3.05
Score - Expected score	0.95
Rating +/-	11.3

Analysis (Type)

Rating	1288.4
K-factor	20
Score	4
Expected score	3.01
Score - Expected score	0.99
Rating +/-	14.2

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	2026-02-07	De Koker, B (Byron)	WCT		1200	1200	B	0	0.56	-0.56	-9.3	0.56	-0.56	-11.2	Yes
2	2026-02-07	Keita, M (Mohamed)	WCT		1150.1	1199.3	W	1	0.7	0.3	3.6	0.65	0.35	5	Yes
3	2026-02-07	Adams, M (Mika Zen)	WCT		1198.8	1200	B	1	0.56	0.44	5.2	0.56	0.44	6.3	Yes
4	2026-02-07	Gordon, B (Byron)	WCT		1230.5	1218.6	W	1	0.6	0.4	4.8	0.62	0.38	5.4	Yes
5	2026-02-07	Katsidzira, N (Nathaniel)	WCT		1404.4	1402.1	W	0	0.4	-0.4	-6.6	0.41	-0.41	-8.2	Yes
6	2026-02-07	Mabaso, A (Ahlumile)	WCT		1480.5	1502.4	B	1	0.23	0.77	9.2	0.21	0.79	11.3	Yes