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Schalk Coetzee

1110139746
Nelson Mandela Bay (ENM)
Personal
Main rating
Rating 1487
K-factor 32
Floor 1057.2
Highest 1585.5 (2024-07-01)
Min/Max +/- allowed 96
Rating Change
()
Games 5
Score 2.5
We 3.15
SWe -0.54
Temp +/- -17.3
Penalties 0
Weight perform 1424.1
Final +/- -17.3
New Rating
()
Rating 1469.7
K-factor 32
Floor 1057.2
Highest 1585.5 (2024-07-01)
Min/Max +/- allowed 95.7
Standard rating
Rating 1476.4
K-factor 32
Floor 1045.5
Highest 1562.1 (2024-08-01)
Min/Max +/- allowed 99
Rating Change
()
Games 5
Score 2.5
We 3.11
SWe -0.61
Temp +/- -19.5
Penalties 0
Weight perform 1424.1
Final +/- -19.5
New Rating
()
Rating 1456.9
K-factor 32
Floor 1045.5
Highest 1562.1 (2024-08-01)
Min/Max +/- allowed 99
Rapid rating
Rating 1459.4
K-factor 32
Floor 959.4
Highest 1516.4 (2024-07-01)
Min/Max +/- allowed 105.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1446.1
Final +/- 0
New Rating
()
Rating 1459.4
K-factor 32
Floor 959.4
Highest 1516.4 (2024-07-01)
Min/Max +/- allowed 105.6
Blitz rating
Rating 1298.5
K-factor 36
Floor 798.5
Highest 1298.5 (2025-04-01)
Min/Max +/- allowed 144.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1298.5
K-factor 36
Floor 798.5
Highest 1298.5 (2025-04-01)
Min/Max +/- allowed 144.1
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 NMBCU Trials 3 2026 (U16) Standard 2026-04-18 2026-04-18 Nelson Mandela Bay (ENM) 5 1487 5 2.5 1368 -17.3 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 NMBCU Trials 2 (U16) Standard 2026-03-06 2026-03-07 Nelson Mandela Bay (ENM) 6 1495.7 5 2 1432.8 -8.8 Details
2 Pearson Chess Festival 2026 (B) Standard 2026-02-27 2026-02-28 Nelson Mandela Bay (ENM) 5 1496.2 5 4 1471.9 -3 Details
3 UCC Protea Cup 2026 (A) Standard 2026-01-20 2026-02-17 Nelson Mandela Bay (ENM) 5 1496.2 5 3.5 1644.3 11.6 Details
4 NMBCU Trial 1 2026 (U16) Standard 2026-02-20 2026-02-21 Nelson Mandela Bay (ENM) 5 1496.2 5 3 1478.8 -2.3 Details
5 2025 Mzansi Individual Championships (U16 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1506.5 6 2 1335 -24.2 Details
6 2025 Mzansi Inter Provincial Team Championships (U16 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1506.5 6 2 1569.1 6.3 Details
7 UCC Royal Cup 2025 (A) Standard 2025-10-07 2025-11-05 Nelson Mandela Bay (ENM) 5 1495 3 2.5 1698.4 11.4 Details
8 UCC Rapid September 2025 Rapid 2025-09-09 2025-09-23 Nelson Mandela Bay (ENM) 6 1493.5 6 4 1578.3 4.4 Details
9 EC Closed 2025 (U16 Open) Standard 2025-09-06 2025-09-07 Nelson Mandela Bay (ENM) 6 1492.3 6 3.5 1585.6 12.4 Details
10 UCC Championship 2025 (A) Standard 2025-07-22 2025-08-19 Nelson Mandela Bay (ENM) 5 1499.4 5 1 1436.2 -6.4 Details
11 UCC Mind Over Board 2025 (A) Classical 2025-08-01 2025-08-03 Nelson Mandela Bay (ENM) 5 1499.4 5 2 1344.6 -17.2 Details
12 UCC Rapid July 2025 Rapid 2025-07-08 2025-07-15 Nelson Mandela Bay (ENM) 6 1500.8 6 4.5 1650.3 6.7 Details
13 Eastern Cape Inter-Regional Individual Chess Championship 2025 (U16 Open) Standard 2025-07-11 2025-07-12 Amathole (EAL) 6 1500.8 6 3.5 1476 -2.8 Details
14 Eastern Cape Inter-Regional Team Chess Championship 2025 (U16) Standard 2025-07-10 2025-07-11 Amathole (EAL) 5 1500.8 4 2 1438.7 -4.8 Details
15 UCC Rapid May 2025 Rapid 2025-05-27 2025-06-17 Nelson Mandela Bay (ENM) 6 1521.9 6 4 1479.1 -2.5 Details
16 NMBCU Closed 2025 (U16) Standard 2025-06-13 2025-06-14 Nelson Mandela Bay (ENM) 6 1521.9 6 3.5 1428.7 -10.8 Details
17 NMBCU Open 2025 (B) Standard 2025-05-23 2025-05-24 Nelson Mandela Bay (ENM) 6 1476 6 4.5 1684.4 25.1 Details
18 NMBCU Trial 4 2025 (U16) Standard 2025-05-09 2025-05-10 Nelson Mandela Bay (ENM) 6 1476 5 2.5 1412.9 -5.5 Details
19 UCC Presidential Cup 2025 (A) Standard 2025-04-08 2025-05-06 Nelson Mandela Bay (ENM) 5 1476 5 3 1586.7 8.9 Details
20 NMB 3rd Trials 2025 (U16) Standard 2025-04-11 2025-04-12 Nelson Mandela Bay (ENM) 6 1487.8 6 3 1302.3 -21.6 Details
21 UCC Rapid Mar/Apr 2025 Rapid 2025-03-18 2025-04-01 Nelson Mandela Bay (ENM) 6 1487.8 4 3 1526.1 1.6 Details
22 UCC Blitz March 2025 Blitz 2025-03-04 2025-03-11 Nelson Mandela Bay (ENM) 6 1489.9 6 4 1580.1 2.7 Details
23 NMB 2nd Trials 2025 (U16) Standard 2025-03-07 2025-03-08 Nelson Mandela Bay (ENM) 6 1489.9 5 4 1549.7 5.5 Details
24 UCC Strategic Moves 2025 (A) Standard 2025-02-28 2025-03-01 Nelson Mandela Bay (ENM) 5 1489.9 5 2.5 1405 -9.4 Details
25 Uitenhage Chess Club Protea Cup 2025 (A) Standard 2025-01-28 2025-02-25 Nelson Mandela Bay (ENM) 5 1509.8 3 1.5 1500.6 -2.7 Details
26 NMBCH Trial 1 2025 (U16) Standard 2025-02-14 2025-02-15 Nelson Mandela Bay (ENM) 6 1509.8 6 3.5 1424.2 -9.8 Details
27 NMBCU vs BCC Derby Chess Invitational 2025 (U14) Standard 2025-01-10 2025-01-11 Nelson Mandela Bay (ENM) 5 1514.9 5 2 1486.2 -3.6 Details
28 NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open A) Blitz 2025-01-12 2025-01-12 Nelson Mandela Bay (ENM) 9 1514.9 9 5.5 1522.8 0.5 Details
29 Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1513.3 7 4 1524.5 1.2 Details
30 UCC Club Champs 2024 (A) Standard 2024-10-08 2024-11-05 Nelson Mandela Bay (ENM) 5 1538.1 2 0 1117.1 -15.5 Details
31 George Suid Senior Skaaktoernooi 2024 Rapid 2024-10-26 2024-10-26 Eden (WEG) 5 1535.5 5 3.5 1620.2 5.2 Details
32 NMBCU Top Schools Final 2024 (Primary School) Standard 2024-10-19 2024-10-29 Nelson Mandela Bay (ENM) 3 1535.5 3 2 1618.4 4.1 Details
33 NMBCU Top Schools 2024 (Senior Primary) Rapid 2024-10-12 2024-10-12 Nelson Mandela Bay (ENM) 5 1535.5 5 3 1451.9 -7.7 Details
34 NMBCU Closed 2024 (U14) Standard 2024-09-20 2024-09-21 Nelson Mandela Bay (ENM) 6 1557.2 6 4.5 1591.6 4.4 Details
35 2024 UCC Mind Over Board (B) Classical 2024-08-30 2024-09-01 Nelson Mandela Bay (ENM) 5 1557.2 5 3.5 1393.3 -18 Details
36 NMBCU Trial 5 2024 (U14) Standard 2024-08-16 2024-08-17 Nelson Mandela Bay (ENM) 6 1550.5 6 5 1670.2 14.3 Details
37 UCC Royal Cup Classic July 2024 (A) Standard 2024-07-09 2024-08-06 Nelson Mandela Bay (ENM) 5 1550.5 4 2.5 1420.8 -10.1 Details
38 NMBCU Trials 4 2024 (U14) Standard 2024-07-12 2024-07-13 Nelson Mandela Bay (ENM) 6 1520.5 6 4.5 1632.2 15.4 Details
39 Uitenhage Chess Club Rapid June 2024 Rapid 2024-06-18 2024-07-02 Nelson Mandela Bay (ENM) 6 1520.5 2 2 1659.1 3.3 Details
40 Uitenhage Chess Club Presidential Cup 2024 (B) Rapid 2024-04-30 2024-05-14 Nelson Mandela Bay (ENM) 6 1509.4 6 5.5 1584.5 6.9 Details
41 NMBCU Trial 3 2024 (U14) Standard 2024-05-10 2024-05-11 Nelson Mandela Bay (ENM) 6 1450.2 6 4.5 1636.7 21.7 Details
42 UCC Rapid April 2024 Rapid 2024-04-09 2024-04-23 Nelson Mandela Bay (ENM) 6 1409.8 4 4 1750.4 13.6 Details
43 NMBCU Trials 2 2024 (U14) Standard 2024-04-12 2024-04-13 Nelson Mandela Bay (ENM) 6 1409.8 6 4 1402 -0.7 Details
44 UCC Blitz Tournamen March 2024 Blitz 2024-03-26 2024-04-02 Nelson Mandela Bay (ENM) 6 1409.8 6 4 1437.8 1.7 Details
45 UCC Protea Cup 2024 (A) Standard 2024-02-20 2024-03-26 Nelson Mandela Bay (ENM) 5 1369.2 3 3 1667 18.5 Details
46 UCC Strategic Moves 2024 (A) Standard 2024-03-08 2024-03-09 Nelson Mandela Bay (ENM) 5 1369.2 5 2 1209.8 -15.2 Details
47 Uitenhage Chess Club Rapid January 2024 Rapid 2024-01-30 2024-02-13 Nelson Mandela Bay (ENM) 6 1346.5 4 2 1232.8 -5 Details
48 NMBCU Trials 1 2024 (U14) Standard 2024-02-16 2024-02-16 Nelson Mandela Bay (ENM) 6 1346.5 6 4 1480.5 15.8 Details
49 Pearson Open Chess Tournament 2024 (B) Standard 2024-02-23 2024-02-24 Nelson Mandela Bay (ENM) 5 1346.5 5 3 1357.9 1.8 Details
50 UCC Club Champs 2023 (A) Standard 2023-10-17 2023-11-14 Nelson Mandela Bay (ENM) 5 1372.2 4 1 1191.3 -14.1 Details
Game statistics ( )
Games 5
Wins 2
Draws 1
Losses 2
White 2
Black 3
White wins 0
Black wins 2
Score 2.5
Percent 50
Dp 0
AOR 1368
Performance 1368
Game statistics ()
Games 25
Wins 13
Draws 4
Losses 8
White 13
Black 12
White wins 6
Black wins 7
Score 15
Percent 60
Dp 85
AOR 1394.1
Performance 1479.1
Game statistics (History)
Games 372
Wins 190
Draws 66
Losses 116
White 178
Black 194
White wins 85
Black wins 105
Score 223
Percent 59.9
Dp 84.5
AOR 1362.3
Performance 1446.9
Rankings (Main)
National
Overall 2022
Gender 1767
Age group 223
Gender/Age 180
Provincial
Overall 217
Gender 190
Age group 35
Gender/Age 31
Regional
Overall 74
Gender 65
Age group 13
Gender/Age 12
Rankings (Standard)
National
Overall 2015
Gender 1737
Age group 242
Gender/Age 195
Provincial
Overall 220
Gender 193
Age group 39
Gender/Age 35
Regional
Overall 74
Gender 65
Age group 13
Gender/Age 12
Rankings (Rapid)
National
Overall 479
Gender 437
Age group 82
Gender/Age 68
Provincial
Overall 40
Gender 38
Age group 6
Gender/Age 5
Regional
Overall 11
Gender 11
Age group 2
Gender/Age 2
Rankings (Blitz)
National
Overall 284
Gender 271
Age group 18
Gender/Age 17
Provincial
Overall 21
Gender 21
Age group 6
Gender/Age 6
Regional
Overall 11
Gender 11
Age group 4
Gender/Age 4
Performance ( )
Games 5
Score 2.5
Percent 50
Aor 1368
Dp 0
Prat 1368
Performance ()
Games 25
Score 15
Percent 60
Aor 1394.1
Dp 85
Prat 1479.1
Performance (12 months)
Games 106
Score 59.5
Percent 56.1
Aor 1452.1
Dp 52.1
Prat 1504.2
Performance (History)
Games 372
Score 223
Percent 59.9
Aor 1362.3
Dp 84.5
Prat 1446.9
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Clainos, S (Spiro) 11 6 5 2022 NMB Junior Trials 2 (U12) 2025 Mzansi Individual Championships (U16 Open) Details
Overall 2 Hall, J (Joshua) 10 6 4 Uitenhage Chess Club RAPID III 2023 UCC Royal Cup 2025 (A) Details
Overall 3 Strydom, JP (Jean-Pierre) 9 5 4 Uitenhage Chess Club Inaugural Rapid Tournament 2023 UCC Championship 2025 (A) Details
Overall 4 Chipunza, J (Jared) 8 5 3 NMBCU Trial 3 2022 (U12) Eastern Cape Inter-Regional Team Chess Championship 2025 (U16) Details
Overall 5 Nevin, TW (Tyler William) 7 4 3 Uitenhage Chess Club Protea Cup 2025 (A) UCC Protea Cup 2026 (A) Details
Standard 1 Clainos, S (Spiro) 11 6 5 2022 NMB Junior Trials 2 (U12) 2025 Mzansi Individual Championships (U16 Open) Details
Standard 2 Banda, B (Benjamin) 7 5 2 2022 NMB Junior Trials 1 (U12) NMBCU Trial 4 2025 (U16) Details
Standard 3 Chipunza, J (Jared) 7 4 3 NMBCU Trial 3 2022 (U12) Eastern Cape Inter-Regional Team Chess Championship 2025 (U16) Details
Standard 4 Kapp, S (Sebastian) 6 4 2 NMBCU Trial 3 2022 (U12) 2026 NMBCU Trials 2 (U16) Details
Standard 5 Hall, J (Joshua) 6 3 3 UCC Royal Cup Classic July 2024 (A) UCC Royal Cup 2025 (A) Details
Rapid 1 Strydom, JP (Jean-Pierre) 5 2 3 Uitenhage Chess Club Inaugural Rapid Tournament 2023 UCC Rapid May 2025 Details
Rapid 2 Hall, J (Joshua) 4 3 1 Uitenhage Chess Club RAPID III 2023 UCC Rapid September 2025 Details
Rapid 3 Schler, J (Jayden) 3 2 1 Uitenhage Chess Club RAPID III 2023 UCC Rapid April 2024 Details
Rapid 4 Van Greunen, W (Willem) 2 1 1 UCC Blitz Tournamen March 2024 Uitenhage Chess Club Presidential Cup 2024 (B) Details
Rapid 5 Bester, T (Thomas) 2 0 2 Uitenhage Chess Club Rapid January 2024 UCC Rapid July 2025 Details