Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

David Geyer

145010473
Cape Winelands (WCW)

Tournament details

Tour Id	20260131
Group Id	20260125
Name	Marie Delport Memorial 2026
Section	Open
Rounds	6
Format	Swiss
Type	Standard
Start	2026-01-31
End	2026-01-31
Submitted	2026-02-02
Rated	2026-02-06
Submit age weight	0.55
Host	Cape Winelands (WCW)
Total time	70
Time weight	0.87
Official results	Official results

General

Games	6
Score	2.5
Percent	41.7
Dp	-70.8
Aor	1309.2
Perform	1238.4
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	24
Final Pos	28
Share Pos	26
Count for rating	Yes

Analysis (Main)

Rating	1271.6
K-factor	20
Score	2.5
Expected score	2.74
Score - Expected score	-0.24
Rating +/-	-4.2

Analysis (Type)

Rating	1265.4
K-factor	20
Score	2.5
Expected score	2.75
Score - Expected score	-0.25
Rating +/-	-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	2026-01-31	Robertson, J (Jonah)	WCW		1623.4	1587.7	W	0	0.13	-0.13	-2.3	0.17	-0.17	-3.4	Yes
2	2026-01-31	Isaacs, S (Samuel)	WCW		1135.9	1135.9	B	0	0.62	-0.62	-10.8	0.61	-0.61	-12.2	Yes
3	2026-01-31	Dreyer, D (De Villiers)	WCW		1181.3	1180.2	W	1	0.65	0.35	3.3	0.64	0.36	4	Yes
4	2026-01-31	Weimers, J (Jemal)	WCW		1192	1166.7	B	1	0.55	0.45	4.3	0.57	0.43	4.7	Yes
5	2026-01-31	Galant, R (Remarquio)	WCW		1197.5	1200	W	0.5	0.63	-0.13	-2.3	0.62	-0.12	-2.4	Yes
6	2026-01-31	Johannes, L (Llewellyn)	WCW		1525.1	1538.2	B	0	0.16	-0.16	-2.8	0.14	-0.14	-2.8	Yes