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Subject: A bug in Rebel 9

Author: Georg Langrath

Date: 05:32:29 04/12/98



Bug in Rebel 9

If you put in this moves in Rebel 9 one after another with help of
player-player-feature and the back the moves one after another then in
move 18 you suddenly have two kings. The same thing happens also in
Rebel 7 and Rebel 8.


  1.  e2-e4    e7-e5
  2. Ng1-f3   Nb8-c6
  3.  d2-d4    e5xd4
  4. Nf3xd4   Ng8-f6
  5. Bf1-d3   Nc6xd4
  6.   O-O     d7-d5
  7. Nb1-c3    d5xe4
  8. Nc3xe4   Nf6xe4
  9. Bd3xe4   Bc8-f5
 10. Be4xb7   Ra8-b8
 11. Rf1-e1+  Bf8-e7
 12. Bc1-g5    f7-f6
 13. Bg5-e3   Rb8xb7
 14. Be3xd4     O-O
 15. Qd1-f3   Rb7-b5
 16.  c2-c4   Rb5-b8
 17. Qf3xf5   Qd8xd4
 18. Re1xe7   Rf8-d8
 19. Qf5-e6+  Kg8-f8
 20. Qe6-f7+  Qd4-d1+
 21. Re7-e1+  Qd1-d2






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