Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Ivan Van Der Walt

104054569
Ekurhuleni (GE)

Tournament details

Tour Id	20171200
Group Id	20171200
Name	Boksburg Rapid 2017
Section
Rounds	7
Format	Swiss
Type	Rapid
Start	2017-06-10
End	2017-06-10
Submitted	2017-06-10
Rated	2017-06-22
Submit age weight	1
Host	Ekurhuleni (GE)
Total time	20
Time weight	0.472
Official results	Official results

General

Games	7
Score	4
Percent	57.1
Dp	50
Aor	556.9
Perform	607
Penalties	0
Wins	4
Draws	0
Losses	3
White	0
Black	0
White wins	0
Black wins	0
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	15
Final Pos	25
Share Pos	25
Count for rating	Yes

Analysis (Main)

Rating	787
K-factor	20
Score	4
Expected score	2.76
Score - Expected score	1.24
Rating +/-	11.7

Analysis (Type)

Rating	787
K-factor	20
Score	4
Expected score	2.76
Score - Expected score	1.24
Rating +/-	24.8

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	2017-06-10	Schultz, A (Ane)	GE		395	395	B	1	0.92	0.08	0.8	0.08	0.92	18.4	Yes
2	2017-06-10	Batista, J (Jordan)	GE		532	532	W	0	0.81	-0.81	-7.6	-0.81	0.81	16.2	No (Unrated opp excluded)
3	2017-06-10	Van Niekerk, La (Lee Ann)	GE		500	500	B	1	0.84	0.16	1.5	0.16	0.84	16.8	No (Unrated opp excluded)
4	2017-06-10	Cronje, H (Hanrique)	GE		395	395	W	1	0.92	0.08	0.8	0.08	0.92	18.4	Yes
5	2017-06-10	Booysen, S (Stefan)	NC		1523	1523	W	0	0	0	0	0	0	0	Yes
6	2017-06-10	Pienaar, S (Schalk)	GE		395	395	B	0	0.92	-0.92	-8.6	-0.92	0.92	18.4	Yes
7	2017-06-10	De Sousa, S (Sebastian)	GE		571	571	B	1	0.78	0.22	2.1	0.22	0.78	15.6	No (Unrated opp excluded)