| 1 | Acknowledgements |
| 2 | |
| 3 | We would like to thank Arthur Britto, David Doshay, Tim Hunt, Matthias Krings, |
| 4 | Piotr Lakomy, Paul Leonard, Jean-Louis Martineau, Andreas Roever, Pierce |
| 5 | Wetter, Joseph Piche, and Emanuele Cisbani for helpful correspondence. |
| 6 | |
| 7 | Thanks to everyone who stepped on a bug (and sent us a report)! |
| 8 | |
| 9 | Thanks to Gary Boos, Wietze Brandsma, Peter Gucwa, Martijn van der Kooij, Michael |
| 10 | Margolis, Trevor Morris, Mans Ullerstam, Don Wagner, Yin Zheng for help |
| 11 | with Visual C++. |
| 12 | |
| 13 | Thanks to Allan Crossman, Pierce Wetter, Stephan Somogyi and Mathias Wagner |
| 14 | for help with Macintosh. And thanks to Marco Scheurer and Shigeru Mabuchi for |
| 15 | helping us find various problems. |
| 16 | |
| 17 | Thanks to Jessie Annala for the Handtalk games, and to Stefan |
| 18 | Mertin for the games from his 13x13 tournament. |
| 19 | |
| 20 |