Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Oortman, C (Christiano)
Dob:
2011/05/10 (U14)
Gender:
Male
Chess SA id:
1110143082
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2024/07/20 (61 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1385.3
Current Weighted rating
1299.2
Current Weighted performance
1446.9
Current official/published rating (highest between Raw, WR and WP)
1446.9
Current highest rating achieved
1385.3
Current floor (min rating allowed)
885.3
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±127.3
Current Raw change used (final)
0.0
Projected new Raw rating
1385.3
Projected new Weighed rating
1198.2
Projected new Weighted performance
1446.9
Projected new final Raw rating (if new WP > new Raw)
1446.9
Projected new highest rating
1446.9
Projected new floor
946.9
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1446.9
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1295.2
Current Weighted rating
1270.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1295.2
Current highest rating achieved
1295.2
Current floor (min rating allowed)
795.2
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±144.8
Current Raw change used (final)
0.0
Projected new Raw rating
1295.2
Projected new Weighed rating
1170.2
Projected new Weighted performance
1252.9
Projected new final Raw rating (if new WP > new Raw)
1295.2
Projected new highest rating
1295.2
Projected new floor
795.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1295.2
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1487.3
Current Weighted rating
1311.9
Current Weighted performance
1401.7
Current official/published rating (highest between Raw, WR and WP)
1487.3
Current highest rating achieved
1487.3
Current floor (min rating allowed)
987.3
Current K-factor
32
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±110.1
Current Raw change used (final)
0.0
Projected new Raw rating
1487.3
Projected new Weighed rating
1211.2
Projected new Weighted performance
1401.7
Projected new final Raw rating (if new WP > new Raw)
1487.3
Projected new highest rating
1487.3
Projected new floor
987.3
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1487.3
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
5
Pedro Booyse Top Schools Championships 2024 (U13)
2024/07/20
2024/07/20
West Coast (WCU)
Standard
60
0.83
5
5
4.0
1385.3
1295.2
Analysis
4
Bo-Weskus Skole Skaak Top Skole 2024 (O13)
2024/05/11
2024/05/11
West Coast (WCU)
Rapid
30
0.60
5
5
5.0
1324.1
1374.0
Analysis
3
Western Cape PS Individuals Championship 2024 (U13 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.0
1324.1
1271.8
Analysis
2
West Coast Schools Chess Prestige Championships 2024 (U13 Boys)
2024/03/09
2024/03/09
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1287.4
1261.6
Analysis
1
Bo-Weskus Skole Prestige 2024 (O13 Seuns)
2024/02/10
2024/02/10
West Coast (WCU)
Rapid
30
0.60
5
4
3.0
1261.7
1204.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
10
Pedro Booyse Top Schools Championships 2024 (U13)
2024/07/20
2024/07/20
West Coast (WCU)
Standard
60
0.83
5
5
4.0
1385.3
1295.2
Analysis
9
Bo-Weskus Skole Skaak Top Skole 2024 (O13)
2024/05/11
2024/05/11
West Coast (WCU)
Rapid
30
0.60
5
5
5.0
1324.1
1374.0
Analysis
8
Western Cape PS Individuals Championship 2024 (U13 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.0
1324.1
1271.8
Analysis
7
West Coast Schools Chess Prestige Championships 2024 (U13 Boys)
2024/03/09
2024/03/09
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1287.4
1261.6
Analysis
6
Bo-Weskus Skole Prestige 2024 (O13 Seuns)
2024/02/10
2024/02/10
West Coast (WCU)
Rapid
30
0.60
5
4
3.0
1261.7
1204.4
Analysis
5
Pedro Booyse Top Schools 2023 (U13)
2023/07/29
2023/07/29
West Coast (WCU)
Standard
60
0.83
5
5
3.0
1227.3
1241.2
Analysis
4
Upper West Coast Top Schools Championship 2023 (U13)
2023/06/10
2023/06/10
West Coast (WCU)
Rapid
30
0.60
5
5
2.0
1226.7
1186.8
Analysis
3
Western Cape PS Individuals 2023 (U13 Boys)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
3.0
1187.5
1200.0
Analysis
2
Bo-Weskus Skole Prestige 2023 (O13 Seuns)
2023/03/04
2023/03/04
West Coast (WCU)
Rapid
30
0.60
5
5
2.5
1180.3
1171.6
Analysis
1
Bo-Weskus Top Skole 2022 (O11)
2022/06/11
2022/06/11
West Coast (WCU)
Rapid
30
0.60
5
4
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
25
19
0
6
19.0
76.0
221.0
1308.6
1529.6
White
13
10
0
3
10.0
76.9
228.8
1293.1
1521.9
Black
12
9
0
3
9.0
75.0
212.5
1325.4
1537.9
Standard
All
11
7
0
4
7.0
63.6
115.9
1343.3
1459.2
White
6
5
0
1
5.0
83.3
283.3
1268.2
1551.5
Black
5
2
0
3
2.0
40.0
-85.0
1433.4
1348.4
Rapid
All
14
12
0
2
12.0
85.7
303.6
1281.3
1584.9
White
7
5
0
2
5.0
71.4
182.1
1314.5
1496.6
Black
7
7
0
0
7.0
100.0
425.0
1248.2
1673.2
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
50
30
1
19
30.5
61.0
93.5
1304.4
1397.9
White
25
15
1
9
15.5
62.0
102.0
1299.3
1401.3
Black
25
15
0
10
15.0
60.0
85.0
1309.5
1394.5
Standard
All
22
13
0
9
13.0
59.1
77.3
1344.6
1421.8
White
11
7
0
4
7.0
63.6
115.9
1308.2
1424.1
Black
11
6
0
5
6.0
54.5
38.6
1381.0
1419.6
Rapid
All
28
17
1
10
17.5
62.5
106.3
1272.9
1379.1
White
14
8
1
5
8.5
60.7
91.1
1292.4
1383.4
Black
14
9
0
5
9.0
64.3
121.4
1253.4
1374.8
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1120110490
Dirks, R (Ryan)
2
2.0
2
0
0
100.0
1323.5
425.0
1748.5
View list
2
1110131947
Bester, J (Juandre)
2
1.0
1
0
1
50.0
1221.0
0.0
1221.0
View list
3
1120153777
Wehr, C (Corbin)
2
1.0
1
0
1
50.0
1336.3
0.0
1336.3
View list
4
1110139098
Diergaardt, M (Maczayn)
2
0.0
0
0
2
0.0
1203.5
-425.0
778.5
View list
5
1110099722
Booysen, C (Chadlin)
2
0.0
0
0
2
0.0
1244.2
-425.0
819.2
View list
6
1100110506
Saal, F (Fabian)
2
0.0
0
0
2
0.0
1207.4
-425.0
782.4
View list
7
1110131966
Tieties, B (Beauton)
2
0.0
0
0
2
0.0
1227.0
-425.0
802.0
View list
8
1120110478
Maletta, S (Sherevitho)
1
1.0
1
0
0
100.0
1287.4
425.0
1712.4
View list
9
1120139046
Love, T (Tayrique)
1
1.0
1
0
0
100.0
1385.3
425.0
1810.3
View list
10
2110131778
Kleynhans, C (Caylen)
1
1.0
1
0
0
100.0
1227.3
425.0
1652.3
View list
11
2110134713
Kapank, K (Kiara)
1
1.0
1
0
0
100.0
1226.7
425.0
1651.7
View list
12
2110099724
Joseph, V (Vernitrune)
1
1.0
1
0
0
100.0
1324.1
425.0
1749.1
View list
13
1110131953
Jacobs, N (Nicholas)
1
1.0
1
0
0
100.0
1180.3
425.0
1605.3
View list
14
1110156594
Hope-Bailie, B (Bryce)
1
1.0
1
0
0
100.0
1287.4
425.0
1712.4
View list
15
1140305054
Hassan, A (Abdurihim)
1
1.0
1
0
0
100.0
1324.1
425.0
1749.1
View list
16
2120150394
Ferus, A (Ava)
1
1.0
1
0
0
100.0
1385.3
425.0
1810.3
View list
17
1100153195
Du Toit, M (Morne)
1
1.0
1
0
0
100.0
1180.3
425.0
1605.3
View list
18
2100150412
Abrahams, S (Skylar Rose)
1
1.0
1
0
0
100.0
1227.3
425.0
1652.3
View list
19
1110303246
De Villiers, J (Jean)
1
1.0
1
0
0
100.0
1324.1
425.0
1749.1
View list
20
1110153201
David, Z (Zhu)
1
1.0
1
0
0
100.0
1187.5
425.0
1612.5
View list