| System | Version | Divisions | Entrants | Affiliation | Entry date | System Description | Sample Solutions | 
|---|---|---|---|---|---|---|---|
| CW-DPLL | 1.0 | Withdrawn | Carl Andersen | University of Maryland | 03/07/06 | Description | |
| Darwin | 1.3 | FOF CNF SAT* EPR | Alexander Fuchs* (Peter Baumgartner, Cesare Tinelli) | University of Iowa (National ICT Australia, University of Iowa) | 03/07/06 | Description | Samples | 
| FM-Darwin | 1.3 | SAT* EPR | Alexander Fuchs* (Peter Baumgartner, Cesare Tinelli) | University of Iowa (National ICT Australia, University of Iowa) | 03/07/06 | Description | Samples | 
| DCTP | 10.21p | EPR | CASC | CASC-20 EPR winner | 01/03/06 | Description |  | 
| E | 0.99 | FOF CNF SAT EPR UEQ | Stephan Schulz* | Technische Universität München | 28/03/06 | Description |  | 
| EP | 0.99 | FOF* CNF* | Stephan Schulz* | Technische Universität München | 28/03/06 | Description | Samples | 
| Equinox | 1.0 | FOF CNF EPR UEQ | Koen Claessen* | Chalmers University of Technology | 29/06/06 | Description |  | 
| Faust | 1.0 | FOF CNF* | Yury Puzis* | University of Miami | 30/06/06 | Description | Samples | 
| Geo | 2006i | FOF* CNF* SAT* EPR UEQ | Hans de Nivelle* (Jia Meng) | Max-Planck Institut für Informatik (National ICT Australia) | 03/07/06 | Description | Samples | 
| iProver | 0.1 | CNF EPR | Konstantin Korovin* | The University of Manchester | 03/07/06 | Description |  | 
| MathServe | 0.80 | FOF CNF SAT EPR UEQ (demo) | Juergen Zimmer (Serge Autexier*) | Universität des Saarlandes | 26/06/06 | Description |  | 
| Muscadet | 2.6 | FOF | Dominique Pastre* | Université René Descartes Paris‑5 | 08/06/06 | Description |  | 
| Octopus | 2006 | FOF CNF (demo) | Monty Newborn* | McGill University | 29/06/06 | Description | Samples | 
| Otter | 3.3 | FOF CNF* UEQ | CASC (William McCune) | CASC (Argonne National Laboratory) | 01/03/06 | Description | Samples | 
| Paradox | 1.3 | SAT* | CASC | CASC-20 SAT* winner | 01/03/06 | Description | Samples | 
| Paradox | 2.0 | SAT* EPR | Koen Claessen* (Niklas Sörensson) | Chalmers University of Technology | 29/06/06 | Description | Samples | 
| Theo | 2006 | FOF CNF* | Monty Newborn* | McGill University | 29/06/06 | Description | Samples | 
| Vampire | 8.0 | FOF* CNF* | CASC | CASC-20 FOF* and CNF* winner | 01/03/06 | Description | Samples | 
| Vampire | 8.1 | FOF* CNF* EPR UEQ | Andrei Voronkov | University of Manchester | 04/07/06 | Description | Samples | 
| Waldmeister | 704 | UEQ | CASC | CASC-20 UEQ winner | 01/03/06 | Description |  | 
| Waldmeister | 806 | UEQ | Thomas Hillenbrand* (Bernd Löchner) | Max-Planck-Institut für Informatik | 03/07/06 | Description |  | 
| FOF | CNF | SAT | EPR | UEQ | 
|---|---|---|---|---|
| Darwin 1.3 E EP* Equinox 1.0 Faust 1.0 Geo 2006i* Muscadet 2.6 Otter 3.3 Theo 2006 Vampire 8.0* Vampire 8.1* | Darwin 1.3 E EP* Equinox 1.0 Faust 1.0* Geo 2006i* iProver 0.1 Otter 3.3* Theo 2006* Vampire 8.0* Vampire 8.1* | Darwin 1.3* FM-Darwin 1.3* E Geo 2006i* Paradox 1.3* Paradox 2.0* | Darwin 1.3 FM-Darwin 1.3 DCTP 10.21p E Equinox 1.0 Geo 2006i iProver 0.1 Paradox 2.0 Vampire 8.1 | E Equinox 1.0 Geo 2006i Otter 3.3 Vampire 8.1 Waldmeister 704 Waldmeister 806 | 
| FOF | CNF | SAT | EPR | UEQ | 
|---|---|---|---|---|
| MathServe 0.80 Octopus 2006 | MathServe 0.80 Octopus 2006 | MathServe 0.80 | MathServe 0.80 | MathServe 0.80 | 
| Entrant | System | Phone | T-Shirt | |
|---|---|---|---|---|
| Koen Claessen | Equinox 1.0 Paradox 2.0 | koen[@]chalmers.se | +46317725424 | Medium | 
| Hans de Nivelle | Geo 2006i | nivelle[@]mpi-inf.mpg.de | +49 681 9325 223 | Small | 
| Alexander Fuchs | Darwin 1.3 FM-Darwin 1.3 | fuchs[@]cs.uiowa.edu | XLarge (+XL for Peter) | |
| Thomas Hillenbrand | Waldmeister 806 | hillen[@]mpi-sb.mpg.de | +49 681 9325 217 | XLarge | 
| Konstantin Korovin | iProver 0.1 | korovin[@]cs.man.ac.uk | +44 1612756296 | Large | 
| Monty Newborn | Octopus 2006 Theo 2006 | newborn[@]cs.mcgill.ca | 514-487-7544 | Large | 
| Dominique Pastre | Muscadet 2.6 | pastre[@]math-info.univ-paris5.fr | +33 1 44 55 35 62 | Medium | 
| Yury Puzis | Faust 1.0 | yury.puzis[@]gmail.com | 3053018718 | Medium | 
| Stephan Schulz | E 0.99 EP 0.99 | schulz[@]eprover.org | XLarge | |
| Andrei Voronkov | Vampire 8.1 | andrei[@]voronkov.com | XLarge | |
| Jürgen Zimmer | MathServe 0.80 | jzimmer[@]ags.uni-sb.de | +49 681 302 4163 | Large |