No. 463 , Jan 1998 - SOLUTIONS
646 - N. Plaksine and A. Zolotarev
Europe Echecs 463, 01/1998
Ded. A. Kouznetsov 65th birthday
647 - N. Plaksine and A. Zolotarev
Europe Echecs 463, 01/1998
Ded. F. Ivanov 60th birthday
Retro-play is: -1. c2xQd3 Qf1-d3 -2. d4xNc5 Qg1-f1 -3. e3xRd4 g2-g1=Q
-4. h2-h3 h3xRg2. Further retracting requires: g3->g1=N->c5; g2xRf3;
g4->g8=R->f3; g3->g1=R->d4; Ra6-a7; a7xBb6 Bc5-b6 b6-b5; Bc1->c5;
b2xNc3; and the whole position is unlocked.
So the game could've started with 1. e2-e3.
648 - P. Leroy
Europe Echecs 463, 01/1998
649 - T. Le Gleuher
Europe Echecs 463, 01/1998