Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Jon-Adriaan Lourens

103018488
Johannesburg Metro (GJM)

Tournament details

Tour Id	31207
Group Id	34
Name	Jnw Chess � Trinityhouse Randpark Ridge Open 2015
Section	C Section
Rounds	6
Format	Swiss
Type	Standard
Start	2015-03-07
End	2015-03-07
Submitted	2015-03-07
Rated	2015-03-08
Submit age weight	1
Host	Johannesburg Metro (GJM)
Total time	65
Time weight	0.853
Official results	Official results

General

Games	6
Score	1.5
Percent	25
Dp	-193
Aor	812.7
Perform	620
Penalties	0
Wins	1
Draws	1
Losses	4
White	0
Black	0
White wins	0
Black wins	0
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	19
Final Pos	27
Share Pos	27
Count for rating	Yes

Analysis (Main)

Rating	831
K-factor	20
Score	1.5
Expected score	3.11
Score - Expected score	-1.61
Rating +/-	-27.5

Analysis (Type)

Rating	831
K-factor	20
Score	1.5
Expected score	3.11
Score - Expected score	-1.61
Rating +/-	-32.2

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	2015-03-07	Engelbrecht, E (Ewald)	GJM		565	565	W	1	0.82	0.18	3.1	0.18	0.82	16.4	Yes
2	2015-03-07	Kumar, V (Vedant)	GJM		946	946	B	0	0.34	-0.34	-5.8	-0.34	0.34	6.8	Yes
3	2015-03-07	Nyathi, M (Musa)	GJM		1019	1019	W	0	0.26	-0.26	-4.4	-0.26	0.26	5.2	Yes
4	2015-03-07	Janse Van Rensburg, J (Joshua)	GJM		639	639	B	0.5	0.75	-0.25	-4.3	-0.25	0.75	15	Yes
5	2015-03-07	Lutz, J (Joseph)	GJM		934	934	W	0	0.36	-0.36	-6.1	-0.36	0.36	7.2	Yes
6	2015-03-07	Perumal, K (Keandra)	GJM		773	773	B	0	0.58	-0.58	-9.9	-0.58	0.58	11.6	Yes