The Retrograde Analysis Corner

Europe Echecs

No. 433, Apr. 1995

600 - L. Borodatov
Europe Echecs 433, 04/1995

13+5. Mate in 6

[8/1p3PpN/1p6/3P1PP1/5N1P/6b1/3PPkPR/2KR4]

Solution

601c - T. Le Gleuher
Europe Echecs 433, 04/1995
(Corrected version given in Europe Echecs 441, 01/1996)

16+13. Shortest proof game in 21 moves

[1nbqkbn1/2ppppP1/1Q6/1p6/r1PBB3/1PrP1P2/1P3PP1/RN2K1NR]

Solution

602 - P. Leroy
Europe Echecs 433, 04/1995
(This problem was later found to be cooked)

12+13. Shortest proof game in 30.5 moves

[5B2/2p5/n1r4q/p1np2kp/3P3b/2P5/NP1n1PPr/R2QKBrR]

Solution

603 - N. Plaksine and A. Zolotarev
Europe Echecs 433, 04/1995

10+12. Shortest trip of the Rf1?

[6N1/4pPp1/pp1ppp1n/6kP/4p1PR/5bKB/5Pq1/5R1N]

Solution

604 - T. Le Gleuher
Europe Echecs 433, 04/1995

12+11. Pacific retractor. Wh. retracts 52 moves and mates in 1

[1k3B2/3bpb2/p1PpPP2/r7/P1p2PK1/2N3b1/2P1PRP1/2r1b3]

Solution