PLAYER PAGE
Charles Serrao
1160301382Ekurhuleni (GE)Personal
Main rating
| Rating | 1320.8 |
| K-factor | 32 |
| Floor | 911.6 |
| Highest | 1411.6 (2026-03-01) |
| Min/Max +/- allowed | 123 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 2.08 |
| SWe | 0.77 |
| Temp +/- | 24.5 |
| Penalties | 0 |
| Weight perform | 1294.4 |
| Final +/- | +24.5 |
| New Rating () | |
| Rating | 1345.3 |
| K-factor | 32 |
| Floor | 911.6 |
| Highest | 1411.6 (2026-03-01) |
| Min/Max +/- allowed | 122.7 |
Standard rating
| Rating | 1319.4 |
| K-factor | 32 |
| Floor | 940.6 |
| Highest | 1440.6 (2026-03-01) |
| Min/Max +/- allowed | 117.7 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 2.17 |
| SWe | 0.83 |
| Temp +/- | 26.5 |
| Penalties | 0 |
| Weight perform | 1294.4 |
| Final +/- | +26.5 |
| New Rating () | |
| Rating | 1345.9 |
| K-factor | 32 |
| Floor | 940.6 |
| Highest | 1440.6 (2026-03-01) |
| Min/Max +/- allowed | 117.7 |
Rapid rating
| Rating | 1240.6 |
| K-factor | 36 |
| Floor | 808.6 |
| Highest | 1476.1 (2024-06-01) |
| Min/Max +/- allowed | 111.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1049.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1240.6 |
| K-factor | 36 |
| Floor | 808.6 |
| Highest | 1476.1 (2024-06-01) |
| Min/Max +/- allowed | 111.9 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-04-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-04-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Ekurhuleni Closed 2026 (F) | Standard | 2026-09-19 | 2026-09-19 | Ekurhuleni (GE) | 5 | 1320.8 | 5 | 3 | 1485.6 | 24.5 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Ekurhuleni 2nd Trial 2026 (G) | Standard | 2026-06-20 | 2026-06-20 | Ekurhuleni (GE) | 5 | 1317.5 | 4 | 2 | 1344.3 | 3.3 | Details |
| 2 | Ekurhuleni 1st Trial 2026 (D U12) | Standard | 2026-04-11 | 2026-04-11 | Ekurhuleni (GE) | 5 | 1320.8 | 5 | 3 | 1305.9 | -3.3 | Details |
| 3 | Chess Power House Freedom Day Open 2026 (D) | Standard | 2026-04-27 | 2026-04-27 | Ekurhuleni (GE) | 5 | 1411.6 | 5 | 1 | 1122 | -46.3 | Details |
| 4 | South African Junior Closed Chess Championship 2026 (U10 Open) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1411.6 | 9 | 3 | 1284.2 | -44.5 | Details |
| 5 | Chess Power House Boksburg Open 2026 (D) | Standard | 2026-03-13 | 2026-03-13 | Ekurhuleni (GE) | 5 | 1330.5 | 5 | 3 | 1459.5 | 21.3 | Details |
| 6 | Hoerskool Drie Riviere Chess Open 07 March 2026 (E) | Standard | 2026-03-07 | 2026-03-07 | Sedibeng (GSV) | 5 | 1330.5 | 5 | 3 | 1413.6 | 13.4 | Details |
| 7 | Chess Power House February Open 2026 (D) | Standard | 2026-02-21 | 2026-02-21 | Ekurhuleni (GE) | 5 | 1267.8 | 5 | 4 | 1597.7 | 32.7 | Details |
| 8 | JCC ChessPowerHouse Feb Rapid 2026 (D) | Rapid | 2026-02-15 | 2026-02-15 | Johannesburg Metro (GJM) | 5 | 1267.8 | 5 | 2 | 1162.6 | -5.8 | Details |
| 9 | JP Wagner Cup 2026 (U14) | Standard | 2026-01-31 | 2026-01-31 | Ekurhuleni (GE) | 5 | 1267.8 | 5 | 3 | 1392.4 | 7.1 | Details |
| 10 | First Knight Riders Juniors Open Chess Tournament 2026 (D) | Standard | 2026-01-17 | 2026-01-17 | Johannesburg Metro (GJM) | 5 | 1278.1 | 5 | 2 | 1272.5 | -3 | Details |
| 11 | 2025 Mzansi Individual Championships (U10 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1288.1 | 6 | 0.5 | 967.5 | -45.4 | Details |
| 12 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1288.1 | 6 | 2.5 | 1267.7 | -2.5 | Details |
| 13 | Gauteng Inter-Region at Emerald Resort 2025 (U10 Candidates) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1288.1 | 5 | 1 | 1073.3 | -24.6 | Details |
| 14 | Ekurhuleni Trials 2025 (G) | Standard | 2025-05-24 | 2025-05-24 | Ekurhuleni (GE) | 5 | 1288.1 | 4 | 1 | 981.2 | -23.9 | Details |
| 15 | Chess Molecules Open Tournament 2025 (D) | Rapid | 2025-04-19 | 2025-04-19 | Johannesburg Metro (GJM) | 5 | 1294.9 | 5 | 2 | 1249.8 | -3.7 | Details |
| 16 | Ekurhuleni Chess Open 2025 (E) | Standard | 2025-03-15 | 2025-03-15 | Ekurhuleni (GE) | 5 | 1289.9 | 5 | 3 | 1324.7 | 2.8 | Details |
| 17 | Chess Power House Feb Rapid 2025 (C) | Rapid | 2025-02-02 | 2025-02-02 | Johannesburg Metro (GJM) | 5 | 1290.5 | 5 | 3 | 1290.8 | -0.3 | Details |
| 18 | Gauteng Inter-Region at UJ 2024 (U10 Open) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1324.7 | 5 | 1 | 1146.8 | -18.9 | Details |
| 19 | Ekurhuleni Trails 3 2024 (U8+U10) | Standard | 2024-08-24 | 2024-08-24 | Ekurhuleni (GE) | 5 | 1294.2 | 5 | 4 | 1459.9 | 16.9 | Details |
| 20 | Ekurhuleni Trails 2 2024 (U8+U10) | Standard | 2024-07-27 | 2024-07-27 | Ekurhuleni (GE) | 5 | 1346.6 | 4 | 2 | 1264 | -6.3 | Details |
| 21 | Midvaal Winter Classic 13 July 2024 (F) | Rapid | 2024-07-13 | 2024-07-13 | Sedibeng (GSV) | 7 | 1346.6 | 6 | 2 | 1075.2 | -23 | Details |
| 22 | Chess Molecules Open Chess Tournament 2024 (Grade 0-2) | Rapid | 2024-06-08 | 2024-06-08 | Johannesburg Metro (GJM) | 5 | 1285.9 | 4 | 4 | 1630.9 | 19.7 | Details |
| 23 | GoForChess Junior Chess Championships 2024 (Junior) | Standard | 2024-05-19 | 2024-05-19 | Johannesburg Metro (GJM) | 5 | 1252.9 | 5 | 3 | 1336.6 | 8.8 | Details |
| 24 | Chess Power House May Open 2024 (E) | Standard | 2024-05-25 | 2024-05-25 | Johannesburg Metro (GJM) | 5 | 1252.9 | 5 | 3 | 1283.6 | 3.8 | Details |
| 25 | JCC King David Linksfield Rapid 2024 (D) | Rapid | 2024-04-21 | 2024-04-21 | Johannesburg Metro (GJM) | 5 | 1194.2 | 5 | 4 | 1487.3 | 16 | Details |
| 26 | Ekurhuleni Open 2024 (E) | Standard | 2024-04-06 | 2024-04-06 | Ekurhuleni (GE) | 5 | 1194.2 | 5 | 3 | 1325.4 | 13.4 | Details |
| 27 | CPH St Andrew's Rapid 2024 (D) | Rapid | 2024-03-30 | 2024-03-30 | Ekurhuleni (GE) | 5 | 1200 | 5 | 2 | 1140.7 | -2.9 | 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 | 58 |
| Wins | 29 |
| Draws | 0 |
| Losses | 29 |
| White | 32 |
| Black | 26 |
| White wins | 19 |
| Black wins | 10 |
| Score | 29 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1344.7 |
| Performance | 1344.7 |
Game statistics (History)
| Games | 143 |
| Wins | 68 |
| Draws | 4 |
| Losses | 71 |
| White | 74 |
| Black | 69 |
| White wins | 41 |
| Black wins | 27 |
| Score | 70 |
| Percent | 49 |
| Dp | -8.9 |
| AOR | 1295.3 |
| Performance | 1286.4 |
Rankings (Main)
| National | |
| Overall | 5509 |
| Gender | 4536 |
| Age group | 598 |
| Gender/Age | 461 |
| Provincial | |
| Overall | 1871 |
| Gender | 1545 |
| Age group | 207 |
| Gender/Age | 167 |
| Regional | |
| Overall | 366 |
| Gender | 281 |
| Age group | 31 |
| Gender/Age | 24 |
Rankings (Standard)
| National | |
| Overall | 4919 |
| Gender | 4028 |
| Age group | 552 |
| Gender/Age | 423 |
| Provincial | |
| Overall | 1741 |
| Gender | 1436 |
| Age group | 197 |
| Gender/Age | 158 |
| Regional | |
| Overall | 306 |
| Gender | 238 |
| Age group | 24 |
| Gender/Age | 17 |
Rankings (Rapid)
| National | |
| Overall | 3343 |
| Gender | 2667 |
| Age group | 533 |
| Gender/Age | 399 |
| Provincial | |
| Overall | 800 |
| Gender | 636 |
| Age group | 107 |
| Gender/Age | 82 |
| Regional | |
| Overall | 332 |
| Gender | 241 |
| Age group | 64 |
| Gender/Age | 49 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 58 |
| Score | 29 |
| Percent | 50 |
| Aor | 1344.7 |
| Dp | 0 |
| Prat | 1344.7 |
Performance (12 months)
| Games | 75 |
| Score | 33 |
| Percent | 44 |
| Aor | 1341.3 |
| Dp | -51 |
| Prat | 1290.3 |
Performance (History)
| Games | 143 |
| Score | 70 |
| Percent | 49 |
| Aor | 1295.3 |
| Dp | -8.9 |
| Prat | 1286.4 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Gabel Smit, H (Heinrich) | 3 | 1 | 2 | Ekurhuleni Chess Open 2025 (E) | Chess Power House Boksburg Open 2026 (D) | Details |
| Overall | 2 | Loots, A (Albert) | 2 | 1 | 1 | Gauteng Inter-Region at Emerald Resort 2025 (U10 Candidates) | Chess Power House Boksburg Open 2026 (D) | Details |
| Overall | 3 | Ntsibande, S (Sinethemba) | 2 | 1 | 1 | Chess Molecules Open Tournament 2025 (D) | Ekurhuleni 1st Trial 2026 (D U12) | Details |
| Overall | 4 | Meyerowitz, M (Matai) | 2 | 2 | 0 | Gauteng Inter-Region at Emerald Resort 2025 (U10 Candidates) | JCC ChessPowerHouse Feb Rapid 2026 (D) | Details |
| Overall | 5 | Steyn, K (Kian) | 2 | 1 | 1 | Chess Molecules Open Tournament 2025 (D) | First Knight Riders Juniors Open Chess Tournament 2026 (D) | Details |
| Standard | 1 | Gabel Smit, H (Heinrich) | 3 | 1 | 2 | Ekurhuleni Chess Open 2025 (E) | Chess Power House Boksburg Open 2026 (D) | Details |
| Standard | 2 | Loots, A (Albert) | 2 | 1 | 1 | Gauteng Inter-Region at Emerald Resort 2025 (U10 Candidates) | Chess Power House Boksburg Open 2026 (D) | Details |
| Standard | 3 | Profyris, N (Nikolaos) | 2 | 1 | 1 | Chess Power House Boksburg Open 2026 (D) | Chess Power House Freedom Day Open 2026 (D) | Details |
| Standard | 4 | Xhalabile, L (Lonwabo) | 2 | 0 | 2 | Chess Power House February Open 2026 (D) | South African Junior Closed Chess Championship 2026 (U10 Open) | Details |
| Standard | 5 | Rodda, T (Tirza) | 2 | 2 | 0 | Chess Power House May Open 2024 (E) | First Knight Riders Juniors Open Chess Tournament 2026 (D) | Details |
| Rapid | 1 | Du Pisani, M (Malcolm) | 2 | 2 | 0 | CPH St Andrew's Rapid 2024 (D) | JCC King David Linksfield Rapid 2024 (D) | Details |