The Retrograde Analysis Corner

Europe Echecs

No. 460 , Oct 1997

642 - A. Zolotarev
Europe Echecs 460, 10/1997

14+11. Solve the position

[qN2b3/Rnpn1p2/1RK1P3/rB1Pp3/P1k1P1P1/2P5/2P2Pp1/b2N4]

Solution

643 - A. Kornilov
Europe Echecs 460, 10/1997

14+13. Solve the position

[4B1N1/4pp1b/3p1pQ1/1PPk1K2/1pRrqBP1/1ppR1rP1/3PPP2/1n6]

Solution

644 - A. Frolkine
Europe Echecs 460, 10/1997

14+14. Shortest proof game in 20.5 moves

[4R3/1pp1r1pp/npp5/2q2pnk/7r/1P1P1N2/1PPbB1PP/1NBQ1K1R]

Solution

645 - T. Le Gleuher
Europe Echecs 460, 10/1997
(This problem was later found tom have duals)

8+14. shc#16 (Consequent Series-Helpmate in 16 moves)

[8/4n3/1P2b3/3rPprn/P1kPpPpq/2p1p1p1/4P1Pb/7K]

Solution

645v - T. Le Gleuher
Europe Echecs 471, 10/1998

7+14. shc#15 (Consequent Series-Helpmate in 16 moves)

[6n1/8/4b3/P2rPpqp/2kPpPpr/2p1p1p1/4P1Pb/7K]

Solution