Chess South Africa Ratings Database

Surname or Chess SA id..

PLAYER TOURNAMENT DETAILS

Christiano Oortman

1110316772
West Coast (WCU)

Tournament details

Tour Id	20252587
Group Id	20252583
Name	Pedro Booyse Top Schools 2025
Section	U15
Rounds	6
Format	Team
Type	Rapid
Start	2025-08-23
End	2025-08-23
Submitted	2025-08-26
Rated	2025-08-26
Submit age weight	1
Host	West Coast (WCU)
Total time	30
Time weight	0.6
Official results	Official results

General

Games	6
Score	2
Percent	33.3
Dp	-141.7
Aor	1408.7
Perform	1267
Penalties	0
Wins	2
Draws	0
Losses	4
White	3
Black	3
White wins	0
Black wins	2
Default wins	0
Default losses	0
Byes	0
Half byes	0
Rank	10
Final Pos	20
Share Pos	16
Count for rating	Yes

Analysis (Main)

Rating	1327.4
K-factor	20
Score	2
Expected score	2.43
Score - Expected score	-0.43
Rating +/-	-5.2

Analysis (Type)

Rating	1301.8
K-factor	20
Score	2
Expected score	2.25
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	2025-08-23	Swarts, Y (Yardley)	WCU		1318.7	1280.1	B	1	0.47	0.53	6.4	0.48	0.52	10.4	Yes
2	2025-08-23	Booysen, C (Chadlin)	WCU		1456.8	1516.3	W	0	0.39	-0.39	-4.7	0.29	-0.29	-5.8	Yes
3	2025-08-23	Arendse, Q (Quinwinne)	WCU		1450.6	1432.7	B	1	0.31	0.69	8.3	0.31	0.69	13.8	Yes
4	2025-08-23	Swarts, Y (Yardley)	WCU		1318.7	1280.1	W	0	0.55	-0.55	-6.6	0.57	-0.57	-11.4	Yes
5	2025-08-23	Booysen, C (Chadlin)	WCU		1456.8	1516.3	B	0	0.31	-0.31	-3.7	0.21	-0.21	-4.2	Yes
6	2025-08-23	Arendse, Q (Quinwinne)	WCU		1450.6	1432.7	W	0	0.4	-0.4	-4.8	0.39	-0.39	-7.8	Yes