The Retrograde Analysis Corner

Problem Paradise

No. 14.

R007 - Michel Caillaud
Problem Paradise 14

[8/1p6/1p6/1Kpq1rp1/spp2kPp/1r1b3p/5P1P/4b3]

4+15. shc#26 (Consequent Series-Helpmate in 26 moves)

R008 - Thierry le Gleuher
Problem Paradise 14

[8/8/p7/P2r1brp/pp2kPpb/p3q1p1/P1P1P1PP/KS6]

9+13. shc#8 (Consequent Series-Helpmate in 8 moves)

R009 - Allesandro Cuppini
Problem Paradise 14

[6QB/2p1pp1p/6p1/5P2/6p1/6P1/P4P2/k1K4s]

7+8. Last move?
(b) Pg6 -> h6

R010 - Stanislav Vokal & Yukio Hirose
Problem Paradise 14

[4k2r/1pp1pp2/P1PpRPp1/3BS2S/8/6pP/4P1P1/4Q1K1]

12+9. Retract one move and #2
(b) Pf6 -> f3

R011 - Satoshi Hashimoto
Problem Paradise 14

[rQbqkbsr/1Rpspppp/1p1p4/8/7P/1p1P1P1K/1PP1P1PS/6S1]

12+16. Proof game in 16.0 moves

R012 - Michel Caillaud
Problem Paradise 14

[2b4R/p4ppp/2pppP2/2p4k/Pq6/rP4PK/rR1PP2P/1S3Q2]

12+13. Proof game in 64.5 moves (Double-minimummer)

R013 - Akayo Okaya
Problem Paradise 14

[rsb1kbsr/pBpp1ppp/RB2p3/8/6K1/2P1PPP1/P1PS3P/5S1Q]

14+14. Proof game in 18.5 moves

R014 - Gianni Donati
Problem Paradise 14

[1S4S1/2ppp3/pb2r2p/2rq1p1b/6k1/8/P1PPPP1P/R1BQKB1R]

14+12. Proof game in 19.5 moves

R015 - Pascal Wassong
Problem Paradise 14

[k1r1bsr/pp3ppp/1p1p1s2/8/7P/4p3/PPbPPPPq/RSBQKBS1]

14+16. Proof game in 13.0 moves

R016 - Mark Kirtley
Problem Paradise 14

[rSbq1bRr/pppppk2/5p2/8/3B4/6P1/PP3PP1/1S2KBQ1]

12+12. Proof game in 14.0 moves

W027 - Mark Kirtley
Problem Paradise 14

[rnbq1br1/pppknppp/8/8/8/8/PPPPPPPP/RNBQKBNR]

16+14. Proof game in 5.5 moves (2 solutions)