PLAYER PAGE
Morgan Celliers
1160152443Nelson Mandela Bay (ENM)Personal
Main rating
| Rating | 1440.8 |
| K-factor | 32 |
| Floor | 978.9 |
| Highest | 1478.9 (2026-01-01) |
| Min/Max +/- allowed | 111 |
| Rating Change () | |
| Games | 18 |
| Score | 7.5 |
| We | 8.75 |
| SWe | -0.84 |
| Temp +/- | -26.7 |
| Penalties | 0 |
| Weight perform | 1318.7 |
| Final +/- | -26.7 |
| New Rating () | |
| Rating | 1414 |
| K-factor | 32 |
| Floor | 978.9 |
| Highest | 1478.9 (2026-01-01) |
| Min/Max +/- allowed | 111.4 |
Standard rating
| Rating | 1439.7 |
| K-factor | 32 |
| Floor | 988.7 |
| Highest | 1488.7 (2026-01-01) |
| Min/Max +/- allowed | 109.9 |
| Rating Change () | |
| Games | 9 |
| Score | 3.5 |
| We | 4.36 |
| SWe | -0.86 |
| Temp +/- | -27.5 |
| Penalties | 0 |
| Weight perform | 1361.6 |
| Final +/- | -27.5 |
| New Rating () | |
| Rating | 1412.2 |
| K-factor | 32 |
| Floor | 988.7 |
| Highest | 1488.7 (2026-01-01) |
| Min/Max +/- allowed | 109.9 |
Rapid rating
| Rating | 1315.6 |
| K-factor | 36 |
| Floor | 840.4 |
| Highest | 1613.9 (2024-11-01) |
| Min/Max +/- allowed | 91.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1315.6 |
| K-factor | 36 |
| Floor | 840.4 |
| Highest | 1613.9 (2024-11-01) |
| Min/Max +/- allowed | 91.9 |
Blitz rating
| Rating | 1207.9 |
| K-factor | 36 |
| Floor | 707.9 |
| Highest | 1207.9 (2025-09-30) |
| Min/Max +/- allowed | 164 |
| Rating Change () | |
| Games | 9 |
| Score | 4 |
| We | 3.99 |
| SWe | 0.01 |
| Temp +/- | 0.4 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | +0.4 |
| New Rating () | |
| Rating | 1208.4 |
| K-factor | 36 |
| Floor | 708.4 |
| Highest | 1208.4 (2026-04-01) |
| Min/Max +/- allowed | 163.9 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | South African Junior Closed Chess Championship 2026 (U10 Open) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1440.8 | 9 | 3.5 | 1366.8 | -23.8 | Details |
| 2 | South African Junior Closed Chess Championship 2026 (Blitz) | Blitz | 2026-03-31 | 2026-03-31 | Bojanala Platina (NBR) | 9 | 1440.8 | 9 | 4 | 1388.6 | -2.9 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 NMBCU Trials 2 (U12) | Standard | 2026-03-06 | 2026-03-07 | Nelson Mandela Bay (ENM) | 6 | 1478.9 | 5 | 1.5 | 1226.8 | -38.2 | Details |
| 2 | 2025 Mzansi Individual Championships (U10 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1427.5 | 6 | 4 | 1488.2 | 8.6 | Details |
| 3 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1427.5 | 6 | 4 | 1565.2 | 16.1 | Details |
| 4 | 2025 PE Chess Club Championship (B) | Standard | 2025-12-05 | 2025-12-06 | Nelson Mandela Bay (ENM) | 5 | 1427.5 | 5 | 3 | 1507.5 | 7.1 | Details |
| 5 | PECC - Rapid 2025 (A) | Rapid | 2025-10-23 | 2025-10-30 | Nelson Mandela Bay (ENM) | 6 | 1433.1 | 3 | 1 | 1318.2 | -3.5 | Details |
| 6 | PECC - Club Blitz 2025 | Blitz | 2025-09-18 | 2025-09-18 | Nelson Mandela Bay (ENM) | 6 | 1400.8 | 6 | 3 | 1306.5 | -2.4 | Details |
| 7 | EC Closed 2025 (U8+U10 Boys) | Standard | 2025-09-06 | 2025-09-07 | Nelson Mandela Bay (ENM) | 6 | 1400.8 | 6 | 4 | 1571.2 | 22.6 | Details |
| 8 | UCC Mind Over Board 2025 (B) | Classical | 2025-08-01 | 2025-08-03 | Nelson Mandela Bay (ENM) | 5 | 1438.8 | 5 | 2 | 1243 | -23.8 | Details |
| 9 | Eastern Cape Inter-Regional Individual Chess Championship 2025 (U10 Open) | Standard | 2025-07-11 | 2025-07-12 | Amathole (EAL) | 6 | 1331.4 | 6 | 4.5 | 1644.1 | 36.5 | Details |
| 10 | Eastern Cape Inter-Regional Team Chess Championship 2025 (U10) | Standard | 2025-07-10 | 2025-07-10 | Amathole (EAL) | 5 | 1331.4 | 3 | 2.5 | 1514.6 | 10.1 | Details |
| 11 | Ty's Winter Classic 2025 | Standard | 2025-06-27 | 2025-06-28 | Nelson Mandela Bay (ENM) | 7 | 1349.5 | 7 | 1 | 1113 | -31.7 | Details |
| 12 | NMBCU Closed 2025 (U10) | Standard | 2025-06-13 | 2025-06-14 | Nelson Mandela Bay (ENM) | 6 | 1349.5 | 6 | 3.5 | 1390.3 | 6.1 | Details |
| 13 | NMBCU Open 2025 (C) | Standard | 2025-05-23 | 2025-05-24 | Nelson Mandela Bay (ENM) | 6 | 1367.9 | 6 | 3.5 | 1402.3 | 4.1 | Details |
| 14 | NMBCU Trial 4 2025 (U10) | Standard | 2025-05-09 | 2025-05-10 | Nelson Mandela Bay (ENM) | 6 | 1367.9 | 6 | 3 | 1244.3 | -14.3 | Details |
| 15 | NMB 3rd Trials 2025 (U10) | Standard | 2025-04-11 | 2025-04-12 | Nelson Mandela Bay (ENM) | 6 | 1358.2 | 6 | 4 | 1403.4 | 5.5 | Details |
| 16 | NMB 2nd Trials 2025 (U10) | Standard | 2025-03-07 | 2025-03-08 | Nelson Mandela Bay (ENM) | 6 | 1372 | 6 | 3 | 1305.9 | -7.6 | Details |
| 17 | NMBCH Trial 1 2025 (U10) | Standard | 2025-02-14 | 2025-02-15 | Nelson Mandela Bay (ENM) | 6 | 1369.7 | 6 | 4 | 1379 | 1.3 | Details |
| 18 | Grey Junior School Chess Team Championship 2024 (Junior) | Rapid | 2024-11-02 | 2024-11-02 | Nelson Mandela Bay (ENM) | 6 | 1344.2 | 6 | 5 | 1510.6 | 14.3 | Details |
| 19 | NMBCU Top Schools 2024 (Junior Primary) | Rapid | 2024-10-12 | 2024-10-12 | Nelson Mandela Bay (ENM) | 5 | 1296.2 | 5 | 5 | 1607.2 | 26.6 | Details |
| 20 | South African Junior Closed Chess Championship 2024 (U8 Open) | Classical | 2024-04-27 | 2024-05-01 | Ekurhuleni (GE) | 9 | 1305.2 | 9 | 4 | 1276.6 | -5 | Details |
| 21 | NMBCU Trials 2 2024 (U10) | Standard | 2024-04-12 | 2024-04-13 | Nelson Mandela Bay (ENM) | 6 | 1294.4 | 6 | 3.5 | 1332.7 | 6 | Details |
| 22 | Eastern Cape Provincial Individual Championship 2023 (U8 Boys) | Standard | 2023-10-05 | 2023-10-05 | Nelson Mandela Bay (ENM) | 7 | 1302.4 | 7 | 5 | 1405.9 | 15.4 | Details |
| 23 | Eastern Cape Chess Team Championship 2023 (U10) | Standard | 2023-10-07 | 2023-10-08 | Sarah Baartman (ESB) | 5 | 1302.4 | 4 | 1 | 1053.5 | -20 | Details |
| 24 | NMBCU Closed 2023 (U8) | Standard | 2023-08-11 | 2023-08-12 | Nelson Mandela Bay (ENM) | 5 | 1295.2 | 5 | 3.5 | 1340.8 | 3.8 | Details |
| 25 | NMBCU Trial 4 2023 (U8) | Standard | 2023-07-28 | 2023-07-29 | Nelson Mandela Bay (ENM) | 5 | 1303.6 | 5 | 3 | 1263.4 | -4.5 | Details |
| 26 | EP Trials 3 2023 (U8) | Standard | 2023-05-06 | 2023-05-06 | Nelson Mandela Bay (ENM) | 6 | 1261.8 | 6 | 5 | 1458.8 | 23.2 | Details |
| 27 | NMB 2nd Trials 2023 (U8) | Standard | 2023-03-25 | 2023-03-25 | Nelson Mandela Bay (ENM) | 6 | 1200 | 6 | 5 | 1464.1 | 31 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 23 |
| Wins | 7 |
| Draws | 4 |
| Losses | 12 |
| White | 10 |
| Black | 13 |
| White wins | 4 |
| Black wins | 3 |
| Score | 9 |
| Percent | 39.1 |
| Dp | -92.4 |
| AOR | 1437.3 |
| Performance | 1344.9 |
Game statistics (History)
| Games | 171 |
| Wins | 93 |
| Draws | 12 |
| Losses | 66 |
| White | 84 |
| Black | 87 |
| White wins | 50 |
| Black wins | 43 |
| Score | 99 |
| Percent | 57.9 |
| Dp | 67.1 |
| AOR | 1315.2 |
| Performance | 1382.3 |
Rankings (Main)
| National | |
| Overall | 2685 |
| Gender | 2299 |
| Age group | 191 |
| Gender/Age | 152 |
| Provincial | |
| Overall | 294 |
| Gender | 253 |
| Age group | 24 |
| Gender/Age | 18 |
| Regional | |
| Overall | 101 |
| Gender | 88 |
| Age group | 9 |
| Gender/Age | 7 |
Rankings (Standard)
| National | |
| Overall | 2453 |
| Gender | 2079 |
| Age group | 187 |
| Gender/Age | 147 |
| Provincial | |
| Overall | 281 |
| Gender | 241 |
| Age group | 25 |
| Gender/Age | 20 |
| Regional | |
| Overall | 97 |
| Gender | 84 |
| Age group | 9 |
| Gender/Age | 7 |
Rankings (Rapid)
| National | |
| Overall | 1721 |
| Gender | 1436 |
| Age group | 206 |
| Gender/Age | 164 |
| Provincial | |
| Overall | 160 |
| Gender | 138 |
| Age group | 20 |
| Gender/Age | 18 |
| Regional | |
| Overall | 40 |
| Gender | 36 |
| Age group | 6 |
| Gender/Age | 6 |
Rankings (Blitz)
| National | |
| Overall | 440 |
| Gender | 403 |
| Age group | 19 |
| Gender/Age | 16 |
| Provincial | |
| Overall | 49 |
| Gender | 47 |
| Age group | 5 |
| Gender/Age | 5 |
| Regional | |
| Overall | 25 |
| Gender | 24 |
| Age group | 4 |
| Gender/Age | 4 |
Performance ( )
| Games | 9 |
| Score | 3.5 |
| Percent | 38.9 |
| Aor | 1461.2 |
| Dp | -94.4 |
| Prat | 1366.8 |
Performance ()
| Games | 23 |
| Score | 9 |
| Percent | 39.1 |
| Aor | 1437.3 |
| Dp | -92.4 |
| Prat | 1344.9 |
Performance (12 months)
| Games | 94 |
| Score | 48 |
| Percent | 51.1 |
| Aor | 1380.8 |
| Dp | 9 |
| Prat | 1389.9 |
Performance (History)
| Games | 171 |
| Score | 99 |
| Percent | 57.9 |
| Aor | 1315.2 |
| Dp | 67.1 |
| Prat | 1382.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Kapp, A (Amelie) | 10 | 5 | 5 | NMB 2nd Trials 2023 (U8) | 2026 NMBCU Trials 2 (U12) | Details |
| Overall | 2 | Kritzinger, A (Adrian) | 7 | 5 | 2 | EP Trials 3 2023 (U8) | Grey Junior School Chess Team Championship 2024 (Junior) | Details |
| Overall | 3 | Verwey, M (Malan) | 7 | 4 | 3 | NMBCU Trials 2 2024 (U10) | EC Closed 2025 (U8+U10 Boys) | Details |
| Overall | 4 | Viljoen, C (Colton) | 6 | 2 | 4 | EP Trials 3 2023 (U8) | NMBCU Closed 2025 (U10) | Details |
| Overall | 5 | Borriero, L (Luca) | 6 | 4 | 2 | NMBCU Trials 2 2024 (U10) | 2025 PE Chess Club Championship (B) | Details |
| Standard | 1 | Kapp, A (Amelie) | 9 | 4 | 5 | NMB 2nd Trials 2023 (U8) | 2026 NMBCU Trials 2 (U12) | Details |
| Standard | 2 | Verwey, M (Malan) | 7 | 4 | 3 | NMBCU Trials 2 2024 (U10) | EC Closed 2025 (U8+U10 Boys) | Details |
| Standard | 3 | Viljoen, C (Colton) | 6 | 2 | 4 | EP Trials 3 2023 (U8) | NMBCU Closed 2025 (U10) | Details |
| Standard | 4 | Borriero, L (Luca) | 6 | 4 | 2 | NMBCU Trials 2 2024 (U10) | 2025 PE Chess Club Championship (B) | Details |
| Standard | 5 | John, Z (Zayden) | 6 | 3 | 3 | NMB 3rd Trials 2025 (U10) | 2025 PE Chess Club Championship (B) | Details |
| Rapid | 1 | Kritzinger, A (Adrian) | 2 | 1 | 1 | Grey Junior School Chess Team Championship 2024 (Junior) | Grey Junior School Chess Team Championship 2024 (Junior) | Details |
| Rapid | 2 | Van Aswegen, E (Elizma) | 2 | 1 | 1 | Grey Junior School Chess Team Championship 2024 (Junior) | Grey Junior School Chess Team Championship 2024 (Junior) | Details |
| Rapid | 3 | Brown, K (Kai) | 2 | 1 | 1 | Grey Junior School Chess Team Championship 2024 (Junior) | Grey Junior School Chess Team Championship 2024 (Junior) | Details |