The Retrograde Analysis Corner

Thema Danicum

No. 81, Jan. 1996

6598 - Henrik Juel
Thema Danicum 81, Jan. 1996

1+1. Form an Illegal Cluster by adding a) 3 black pawns b) 1 white and 3 black pawns c) 1 white rook, and 3 black pawns d) 1 white rook, 1 white pawn, and 3 black pawns

[k7/8/6K1/8/8/8/8/8]

Solution

6599 - Henrik Juel
Comm. Thema Danicum 1996
Thema Danicum 81, Jan. 1996

16+15. Shortest proof game?

[rn1qkbnr/ppp1pppp/3p4/8/4P3/8/PPPP1PPP/RNBQKBNR]

Solution

6600 - Unto Heinonen
Thema Danicum 81, Jan. 1996

13+12. Proof game in 19.5 moves

[1n2rb1N/1p1qpk1p/6R1/1Bpp4/1PQ1P1b1/1P1R4/2PPN1P1/n5K1]

Solution

6600c - Unto Heinonen
3rd Honorable Mention, Thema Danicum 1996
Thema Danicum 81, Jan. 1996

13+12. Proof game in 19.5 moves

[rn2bb1N/1ppqpk2/6R1/1Rrp4/1P2P3/1P4N1/2PPB1P1/n5K1]

Solution