Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Rubin Xu

1100318396
Johannesburg Metro (GJM)

Tournament details

Tour Id	20252866
Group Id	20252866
Name	Randburg Spring Blitz 2025
Section
Rounds	7
Format	Swiss
Type	Blitz
Start	2025-09-23
End	2025-09-23
Submitted	2025-09-24
Rated	2025-09-25
Submit age weight	1
Host	Johannesburg Metro (GJM)
Total time	7
Time weight	0.23
Official results	Official results

General

Games	6
Score	2
Percent	33.3
Dp	-141.7
Aor	1413.5
Perform	1271.8
Penalties	0
Wins	2
Draws	0
Losses	4
White	3
Black	3
White wins	1
Black wins	1
Default wins	0
Default losses	0
Byes	1
Half byes	0
Rank	27
Final Pos	23
Share Pos	18
Count for rating	Yes

Analysis (Main)

Rating	1225.3
K-factor	20
Score	2
Expected score	1.74
Score - Expected score	0.26
Rating +/-	1.2

Analysis (Type)

Rating	1200
K-factor	20
Score	2
Expected score	2.59
Score - Expected score	-0.59
Rating +/-	-11.8

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	2025-09-23	Loon, M (Marc)	GJM		1570.7	1346.7	W	0	0.14	-0.14	-0.6	0.37	-0.37	-7.4	Yes
2	2025-09-23	Maslekar, S (Siddhant)	GJM		1349.4	1200	B	0	0.31	-0.31	-1.4	0.46	-0.46	-9.2	Yes
3	2025-09-23				0	0	Y	1	0	0	0	0	0	0	No (Bye)
4	2025-09-23	Machet, J (Jordan)	GJM		1730.8	1279.3	W	0	0.01	-0.01	-0	0.45	-0.45	-9	Yes
5	2025-09-23	Cembi, L (Lwazi)	GJM		1362.8	1329.2	B	0	0.3	-0.3	-1.4	0.31	-0.31	-6.2	Yes
6	2025-09-23	Okonkwo, B (Blessing)	GJM		1267.4	1200	W	1	0.49	0.51	2.3	0.54	0.46	9.2	Yes
7	2025-09-23	Ramlutchman, K (Kyle)	GTP		1200	1200	B	1	0.49	0.51	2.3	0.46	0.54	10.8	Yes