The Retrograde Analysis Corner

diagrammes

No. 124 , Jan. 1998

3936 - A. Zolotarev
diagrammes 124, 01/1998

10+13. The Bishop moves are interleaved with other moves. Shortest length of this sequence?

[4bb2/3Ppp1N/pp3p1B/4pK2/3NP3/5kp1/5Pb1/3BRrRn]

Solution

3937 - N. Plaksin and A. Zolotarev
diagrammes 124, 01/1998

11+12. Solve the position

[8/2pp2p1/P1kp1p1p/Q1R1B3/BPPp4/Nqp5/1NrP4/nK6]

Solution

3938 - J.-M. Trillon
diagrammes 124, 01/1998

4+3. (Sentry chess) Wh. to move. Ortho-Reconstruction in 9.5 moves.

[8/7p/6B1/p7/k7/6K1/P7/7B]

Solution

3939 - V. Liskovets
diagrammes 124, 01/1998

6+1. Mate in 7. Post-Factum Retro-Volages

[4N3/8/8/1P1P4/8/3P2K1/6R1/7k]

Solution