The Retrograde Analysis Corner

diagrammes

No. 126 , July 1998

4124 - Mikhail Kozulya
diagrammes 127, 10/1998

14+14. Shortest proof game in 18.0 moves

[1nb2bnr/1p1ppppp/2Npk3/B7/3Q2K1/1P2P1PB/1pPNPP1P/4R3]

Solution

4125 - Andrey Frolkin
diagrammes 127, 10/1998

13+13. Last 25 single moves?

[nB6/brp1pP1p/bP6/Rp6/Np4P1/k1PP3p/2P1P1pP/1QKr4]

Solution

4126 - Andrey Zolotarev
diagrammes 127, 10/1998

13+11. Solve the position

[B4bq1/1p2ppN1/4pR1K/4pPr1/P6k/1P3P1R/2pP1PPR/7b]

Solution

4127 - Nikita Plaksin and Andrey Zolotarev
diagrammes 127, 10/1998

10+12. Shortest trip of the Knights?

[B4b2/p2Pppp1/1n2Pnp1/1p4K1/8/5Nkp/4PrPB/1N3B2]

Solution

4128 - Leonid Borodatov
diagrammes 127, 10/1998

14+10. Proca-retractor. Wh. retracts 10 moves and mates in 2

[krN5/pN6/pp6/8/2P1P2P/P1PbPPbR/1P6/1nb1BRKb]

Solution