Top discoverers by number of PRPs
| Rank | Discoverer | Score | | 1 | Tony Prest / Never Odd Or Even | 38029 |
| 2 | Lelio R Paula | 30551 |
| 3 | Patrick De Geest | 20183 |
| 4 | Enzo Doria | 13757 |
| 5 | Syoichiro Yamada | 13745 |
| 6 | Robert Price | 9504 |
| 7 | Ray Chandler | 8631 |
| 8 | David Broadhurst | 7813 |
| 9 | Paul Bourdelais | 7434 |
| 10 | Gilbert Mozzo | 4713 |
| 11 | Milton L. Brown | 3224 |
| 12 | Donovan Johnson | 3116 |
| 13 | Kimmo Herranen | 2745 |
| 14 | Mike Oakes | 2437 |
| 15 | Yves Minet | 2143 |
| 16 | Serge Batalov | 1654 |
| 17 | Norbert Schneider | 1623 |
| 18 | Bernardo Boncompagni | 1489 |
| 19 | Henri Lifchitz | 952 |
| 20 | Andrey Kulsha | 798 |
| 21 | Wayne Halsdorf | 674 |
| 22 | Jason Earls | 614 |
| 23 | Jim Fougeron | 580 |
| 24 | Jens K. Andersen | 573 |
| 25 | Makoto Morimoto | 546 |
| 26 | Joe McLean | 534 |
| 27 | Anatoly F. Selevich | 475 |
| 28 | Kenneth Egtved Pedersen | 422 |
| 29 | Robert Smith | 374 |
| 30 | Paul Underwood | 331 |
| 30 | Erik Branger | 331 |
| 32 | Maksym Voznyy | 271 |
| 33 | Richard Fischer | 186 |
| 34 | Gary Barnes | 170 |
| 34 | Hans Havermann | 170 |
| 36 | Gary Chaffey | 162 |
| 37 | Ryan C Weaving | 158 |
| 38 | Markus Hiltbrunner | 123 |
| 39 | Kevin Acres | 109 |
| 40 | Michael Porter | 94 |
| 40 | Harald Ritter | 94 |
| 42 | Jean-Louis Charton | 89 |
| 43 | Daniel Heuer | 80 |
| 44 | T. D. Noe | 79 |
| 45 | Jiahao He | 77 |
| 46 | Sinkiti Sibata | 71 |
| 46 | Paul Leyland | 71 |
| 48 | Dmitry Domanov | 68 |
| 49 | Jorge Menendez | 62 |
| 50 | Curtis Bright | 61 |
| 51 | Eric W. Weisstein | 57 |
| 52 | Sander Hoogendoorn | 54 |
| 53 | D.Broadhurst and W.Edgington | 53 |
| 54 | Michael Vang | 52 |
| 55 | Renaud Lifchitz | 49 |
| 55 | Matt Stath | 49 |
| 57 | Theodore Burton | 45 |
| 58 | Arkadiusz Wesolowski | 44 |
| 59 | Mark Rodenkirch | 43 |
| 59 | Nicolas PALAU | 43 |
| 61 | Eric Chen | 39 |
| 61 | Patrick Schmeer | 39 |
| 63 | Thomas Masser | 36 |
| 64 | Cletus Emmanuel | 30 |
| 65 | Harvey Dubner | 27 |
| 66 | Faysal YAtim | 26 |
| 67 | Makoto Kamada | 25 |
| 67 | Pedja Terzic | 25 |
| 69 | Greg Childers | 24 |
| 70 | Paul Schmidt | 23 |
| 71 | Wojciech Florek | 22 |
| 72 | Danilo Nitsche | 20 |
| 73 | Rob Binnekamp | 19 |
| 73 | Joel Levy | 19 |
| 75 | Ken Davis | 18 |
| 75 | Predrag Minovic | 18 |
| 77 | Robert Kinser | 17 |
| 77 | Bouk de Water | 17 |
| 79 | Paul Vanderveen | 13 |
| 80 | Nik Lygeros / Olivier Rozier | 11 |
| 81 | Marcin Lipinski | 10 |
| 81 | Thomas Ritschel | 10 |
| 81 | Raffi Chaglassian | 10 |
| 84 | Dario Alpern | 9 |
| 84 | D. Broadhurst & B. de Water | 9 |
| 84 | Alexander Kuzmich | 9 |
| 84 | Kamil Duszenko | 9 |
| 84 | Darren Bedwell | 9 |
| 89 | Walter Nissen | 8 |
| 89 | M. Frind & P. Underwood | 8 |
| 89 | Leonid Muraviov | 8 |
| 89 | Anton Vrba | 8 |
| 93 | James G. Merickel | 7 |
| 93 | Alexander Zhirkov | 7 |
| 93 | H.&R. Lifchitz | 7 |
| 93 | Jean Penné | 7 |
| 97 | Dirk Augustin | 6 |
| 98 | Payam Samidoost | 5 |
| 98 | Pierre CAMI | 5 |
| 98 | Borys Jaworski | 5 |
| 98 | Nik Lygeros / Olivier Rozier / LR team | 5 |
| 98 | Marisa Kirisame | 5 |
| 98 | Tom Wu | 5 |
| 104 | Décio Gazzoni Filho | 4 |
| 104 | Marek Hubal | 4 |
| 104 | V.M.Ulyanov | 4 |
| 107 | Phil Moore | 3 |
| 107 | Hugo Platzer | 3 |
| 107 | Jiong Sun | 3 |
| 107 | Alexander Gramolin | 3 |
| 107 | Ryan Propper | 3 |
| 107 | Anand Nair | 3 |
| 107 | Richard McIntosh | 3 |
| 107 | D. Gazzoni Filho & Lucas Teixeira | 3 |
| 107 | Ben Maloney / Five or Bust | 3 |
| 107 | Paul Jobling | 3 |
| 107 | Meng-Hsuan Wu | 3 |
| 107 | Giovanni Di Maria | 3 |
| 119 | Ray Ballinger | 2 |
| 119 | Andy Steward | 2 |
| 119 | Anonymous | 2 |
| 119 | Andy Klingeleers | 2 |
| 119 | Michael Kwok | 2 |
| 119 | Rubén Blanco | 2 |
| 119 | Karsten Bonath | 2 |
| 119 | Ed Pegg | 2 |
| 119 | Dmitry Kamenetsky | 2 |
| 119 | Ananda Tallur & Jean-Louis Charton | 2 |
| 119 | Leonid Durman | 2 |
| 119 | Valeryi Kuryshev | 2 |
| 119 | Steven Harvey | 2 |
| 119 | Markus Tervooren | 2 |
| 119 | Peter Lesala | 2 |
| 119 | Engracio Esmenda / Five or Bust | 2 |
| 119 | Lewis,Jobling,Nash | 2 |
| 119 | Peter Liaskovsky | 2 |
| 119 | J. Alm & D. Johnson | 2 |
| 138 | Vincent Diepeveen | 1 |
| 138 | Tony Reix / Diepeveen-Underwood -Reix | 1 |
| 138 | William Garnett | 1 |
| 138 | Tetsuya Kobayashi | 1 |
| 138 | Sean A. Irvine | 1 |
| 138 | Lew Baxter | 1 |
| 138 | Giovanni La Barbera | 1 |
| 138 | Guido Smetrijns | 1 |
| 138 | Göran Hemdal | 1 |
| 138 | Hugo Pfoertner | 1 |
| 138 | Ed Trice | 1 |
| 138 | Ed T. Prothro | 1 |
| 138 | Cyclamen Persicum | 1 |
| 138 | D.Broadhurst and M.Kamada | 1 |
| 138 | D.Broadhurst and N.Mandela | 1 |
| 138 | Dudley Fox | 1 |
| 138 | Kurt Beschorner | 1 |
| 138 | Adrian Bondrescu | 1 |
| 138 | Paul Bourdelais, Harvey Dubner | 1 |
| 138 | Peter Kaiser | 1 |
| 138 | Phil Carmody | 1 |
| 138 | Polly T. Wang | 1 |
| 138 | Nuutti Kuosa | 1 |
| 138 | Michael Stocker | 1 |
| 138 | Matthew Peets | 1 |
| 138 | Matthias Wurtinger | 1 |
| 138 | Michael Eaton | 1 |
| 138 | Richard FitzHugh | 1 |
| |
Top discoverers by production score*
| Rank | Discoverer | Score | | 1 | Ryan Propper | 51.5924 |
| 2 | Engracio Esmenda / Five or Bust | 49.8812 |
| 3 | Enzo Doria | 49.2302 |
| 4 | Paul Bourdelais | 49.0201 |
| 5 | Tony Prest / Never Odd Or Even | 48.7921 |
| 6 | Serge Batalov | 48.5725 |
| 7 | Anonymous | 47.7843 |
| 8 | Ben Maloney / Five or Bust | 47.7568 |
| 9 | Lelio R Paula | 47.4462 |
| 10 | Tony Reix / Diepeveen-Underwood -Reix | 47.2269 |
| 11 | Curtis Bright | 47.1095 |
| 12 | Anand Nair | 47.0204 |
| 13 | Patrick De Geest | 46.9353 |
| 14 | Makoto Morimoto | 46.6428 |
| 15 | Peter Kaiser | 46.6330 |
| 16 | Nik Lygeros / Olivier Rozier | 46.5672 |
| 17 | Robert Price | 46.5303 |
| 18 | Henri Lifchitz | 46.4637 |
| 19 | Jean-Louis Charton | 46.2158 |
| 20 | Yves Minet | 45.8085 |
| 21 | Borys Jaworski | 45.7963 |
| 22 | Mike Oakes | 45.4811 |
| 23 | Adrian Bondrescu | 45.1328 |
| 24 | Michael Stocker | 45.0112 |
| 25 | Dario Alpern | 44.9364 |
| 26 | Leonid Durman | 44.5445 |
| 27 | Erik Branger | 44.5434 |
| 28 | Norbert Schneider | 44.4287 |
| 29 | Maksym Voznyy | 44.0643 |
| 30 | Phil Moore | 43.9356 |
| 31 | Renaud Lifchitz | 43.9182 |
| 32 | Ray Chandler | 43.7713 |
| 33 | Alexander Zhirkov | 43.6692 |
| 34 | Anatoly F. Selevich | 43.6366 |
| 35 | Danilo Nitsche | 43.4553 |
| 36 | Matthias Wurtinger | 43.4236 |
| 37 | Syoichiro Yamada | 43.3093 |
| 38 | Hans Havermann | 43.2986 |
| 39 | Nik Lygeros / Olivier Rozier / LR team | 43.1752 |
| 40 | Donovan Johnson | 43.1363 |
| 41 | Eric W. Weisstein | 42.9487 |
| 42 | Ed Trice | 42.9402 |
| 43 | Vincent Diepeveen | 42.9031 |
| 44 | Mark Rodenkirch | 42.8684 |
| 45 | Robert Smith | 42.7237 |
| 46 | Robert Kinser | 42.5587 |
| 47 | Thomas Ritschel | 42.4295 |
| 48 | Jens K. Andersen | 42.4271 |
| 49 | Milton L. Brown | 42.4230 |
| 50 | Gilbert Mozzo | 42.3646 |
| 51 | Markus Tervooren | 42.2013 |
| 52 | Kevin Acres | 42.1267 |
| 53 | Alexander Gramolin | 42.0680 |
| 54 | Andy Steward | 42.0678 |
| 55 | Dmitry Domanov | 41.9615 |
| 56 | David Broadhurst | 41.9510 |
| 57 | Wayne Halsdorf | 41.8768 |
| 58 | Theodore Burton | 41.8735 |
| 59 | Kimmo Herranen | 41.7829 |
| 60 | Nicolas PALAU | 41.6474 |
| 61 | Michael Vang | 41.5045 |
| 62 | Jason Earls | 41.4443 |
| 63 | Cletus Emmanuel | 41.3699 |
| 64 | Valeryi Kuryshev | 41.2673 |
| 65 | Faysal YAtim | 41.2294 |
| 66 | Gary Barnes | 41.2070 |
| 67 | Richard Fischer | 41.1307 |
| 68 | Payam Samidoost | 41.1236 |
| 69 | Andrey Kulsha | 41.0912 |
| 70 | Jean Penné | 41.0866 |
| 71 | M. Frind & P. Underwood | 41.0735 |
| 72 | T. D. Noe | 41.0112 |
| 73 | Karsten Bonath | 40.9232 |
| 74 | Eric Chen | 40.8866 |
| 75 | Joe McLean | 40.8258 |
| 76 | Bernardo Boncompagni | 40.6902 |
| 77 | Jorge Menendez | 40.5982 |
| 78 | Darren Bedwell | 40.5716 |
| 79 | H.&R. Lifchitz | 40.5526 |
| 80 | Marek Hubal | 40.5299 |
| 81 | Michael Porter | 40.4610 |
| 82 | Paul Underwood | 40.4465 |
| 83 | Arkadiusz Wesolowski | 40.0345 |
| 84 | Marisa Kirisame | 40.0015 |
| 85 | Jim Fougeron | 39.9920 |
| 86 | Jiahao He | 39.9780 |
| 87 | Daniel Heuer | 39.8964 |
| 88 | Paul Bourdelais, Harvey Dubner | 39.8282 |
| 89 | Sander Hoogendoorn | 39.8108 |
| 90 | D. Gazzoni Filho & Lucas Teixeira | 39.6113 |
| 91 | Predrag Minovic | 39.5972 |
| 92 | Wojciech Florek | 39.5962 |
| 93 | Ryan C Weaving | 39.5308 |
| 94 | Sinkiti Sibata | 39.4834 |
| 95 | Paul Vanderveen | 39.4207 |
| 96 | Kurt Beschorner | 39.3559 |
| 97 | Dirk Augustin | 39.2949 |
| 98 | Makoto Kamada | 39.2157 |
| 99 | Kenneth Egtved Pedersen | 39.1165 |
| 100 | Lew Baxter | 39.1057 |
| 101 | Harald Ritter | 38.8053 |
| 102 | Pedja Terzic | 38.6967 |
| 103 | Patrick Schmeer | 38.6236 |
| 104 | Ananda Tallur & Jean-Louis Charton | 38.5718 |
| 105 | Walter Nissen | 38.4704 |
| 106 | James G. Merickel | 38.4559 |
| 107 | Gary Chaffey | 38.4469 |
| 108 | Thomas Masser | 38.4129 |
| 109 | Décio Gazzoni Filho | 38.3716 |
| 110 | D.Broadhurst and W.Edgington | 38.3693 |
| 111 | Matt Stath | 38.2888 |
| 112 | Peter Lesala | 38.2364 |
| 113 | Pierre CAMI | 38.1880 |
| 114 | Phil Carmody | 38.0649 |
| 115 | Jiong Sun | 38.0187 |
| 116 | Tom Wu | 37.9657 |
| 117 | Bouk de Water | 37.7897 |
| 118 | Kamil Duszenko | 37.7572 |
| 119 | Harvey Dubner | 37.7421 |
| 120 | Paul Leyland | 37.7267 |
| 121 | Markus Hiltbrunner | 37.5011 |
| 122 | Joel Levy | 37.4885 |
| 123 | Meng-Hsuan Wu | 37.2670 |
| 124 | Greg Childers | 37.2465 |
| 125 | Raffi Chaglassian | 37.1068 |
| 126 | Marcin Lipinski | 37.0378 |
| 127 | Richard McIntosh | 37.0213 |
| 128 | Rob Binnekamp | 36.9534 |
| 129 | Paul Jobling | 36.8410 |
| 130 | Lewis,Jobling,Nash | 36.6013 |
| 131 | Ken Davis | 36.4213 |
| 132 | Rubén Blanco | 36.3081 |
| 133 | D.Broadhurst and N.Mandela | 36.2365 |
| 134 | D.Broadhurst and M.Kamada | 36.2230 |
| 135 | D. Broadhurst & B. de Water | 36.2010 |
| 136 | Steven Harvey | 36.0407 |
| 137 | Alexander Kuzmich | 35.8876 |
| 138 | Paul Schmidt | 35.8030 |
| 139 | Anton Vrba | 35.6914 |
| 140 | Dudley Fox | 35.5339 |
| 141 | William Garnett | 35.2932 |
| 142 | Peter Liaskovsky | 35.1846 |
| 143 | Ray Ballinger | 35.1526 |
| 144 | Dmitry Kamenetsky | 34.9327 |
| 145 | Matthew Peets | 34.8243 |
| 146 | Hugo Platzer | 34.7951 |
| 147 | V.M.Ulyanov | 34.7788 |
| 148 | Leonid Muraviov | 34.7753 |
| 149 | Giovanni Di Maria | 34.5567 |
| 150 | Cyclamen Persicum | 34.5441 |
| 151 | Ed Pegg | 34.4014 |
| 152 | Richard FitzHugh | 34.1466 |
| 153 | Michael Kwok | 34.1355 |
| 154 | Sean A. Irvine | 34.0515 |
| 155 | Ed T. Prothro | 33.9358 |
| 156 | Andy Klingeleers | 33.8707 |
| 157 | Nuutti Kuosa | 33.7910 |
| 158 | Michael Eaton | 33.7691 |
| 159 | Tetsuya Kobayashi | 33.6073 |
| 160 | J. Alm & D. Johnson | 33.5636 |
| 161 | Göran Hemdal | 33.2857 |
| 162 | Hugo Pfoertner | 33.2269 |
| 163 | Giovanni La Barbera | 33.1670 |
| 164 | Polly T. Wang | 32.8241 |
| 165 | Guido Smetrijns | 32.7635 |
|