The Retrograde Analysis Corner
No. 109, Nov. 1993
R1 - Bonavoglia, Marco Hon. Mention Andernach TT, 1993
16+15. Shortest proof game in 6.5 moves (Andernach chess)
R2 - Caillaud, Michel Comm. Andernach TT, 1993
15+15. Shortest proof game in 3.0 moves (Andernach chess)
6556 - Raican, Paul feenschach, Nov. 1993
15+14. Proof game in 7.5 moves (Augsburg chess)
6557 - Plaksin, Nikita Michailowitsch feenschach, Nov. 1993
2+2. Wh. retracts one move and then =1
6558 - Caillaud, Michel feenschach, Nov. 1993
16+12. Shortest proof game in 24.0 moves (Andernach chess)
6559 - Wilts, Gerd and Geissler, Norbert feenschach, Nov. 1993
2+1. Shortest proof game in 16.5 moves
6560 - Ruth, Emiliano F. feenschach, Nov. 1993
11+10. Proca-retractor. Wh. retracts 3 moves and mates in 1 (Andernach chess)
6561 - Ruth, Emiliano F. feenschach, Nov. 1993
13+13. Advantage game. Given that black 0-0-0 is legal, which white Officer did White remove from the board before starting? (a) Diagram; (b) Nc8 -> d7; (c) Nc8 -> a6
