The Retrograde Analysis Corner

Probleemblad

Awards 1996-1997 (by M. Nordlohne)

R006 - Unto Heinonen
Probleemblad, Jul. 1997
Ded. Olli Heimo
1st Prize Probleemblad 1996/1997

[rn4nR/ppp1Q3/PPrB3b/P5Bk/P6q/5NB1/4N1R1/K4b1B]

14+11. Proof game in 39.5 moves

R009 - Gianni Donati and Peter van den Heuvel
Probleemblad, Sep. 1997
2nd Prize Probleemblad 1996/1997

[1r4n1/4kppp/2p2r2/p2bp3/3n4/P7/P1PPPPPP/RNBQKBN1]

15+12. Proof game in 18.5 moves

3111 - Unto Heinonen
Probleemblad, Nov. 1996
3rd Prize Probleemblad 1996/1997

[q3n3/4n3/n1p3k1/pp6/p3b1p1/R6N/PPPP2r1/RNBQKBbr]

12+14. Proof game in 30.0 moves

3219 - Gianni Donati
Probleemblad, May 1997
4th Prize Probleemblad 1996/1997

[4rn2/1pp1qppp/2p2n2/6b1/5rk1/1p4Pb/PPPPPP1P/RNB1K2R]

13+15. Proof game in 18.0 moves

R012 - Gianni Donati
Probleemblad, Nov. 1997
5th Prize Probleemblad 1996/1997

[1qr5/p2npp1B/1b4pn/1kpr3p/6b1/8/PPPPPP1P/RNBQK2R]

14+14. Proof game in 17.0 moves

3036 - Thomas Volet
Probleemblad, Jul. 1996
6th Prize Probleemblad 1996/1997

[2brB2q/1prppK1p/2P2p1p/1P2p2P/5P1R/4PPk1/1P4Pb/6BR]

13+13. Minimal number of knight moves?

3075 - Philippe Schnoebelen
Probleemblad, Sep. 1996
1st Hon. Mention Probleemblad 1996/1997

[1nnB1r2/2pp1p2/3k4/p6p/2q4Q/4P1pr/1PP2PPP/RN2KBNR]

14+12. Proof game in 15.0 moves

3147c - Tom Volet
Probleemblad, Jan. 1997
Ded. Harry Goldsteen
2nd Hon. Mention Probleemblad 1996/1997

[N1k2nRK/1pPp2pR/3pp3/8/1p6/2P1PP2/PP2PP2/7B]

13+8. Last 6 captures?

R004 - Henrik Juel
Probleemblad, Jul. 1997
3rd Hon. Mention Probleemblad 1996/1997

[rnb2q2/pp1ppRrp/5bp1/4k3/8/8/P1PPP1P1/1NBQKBNR]

13+13. Proof game in 13.0 moves

3182 - Gianni Donati
Probleemblad, Mar. 1997
4th Hon. Mention Probleemblad 1996/1997

[1n1q4/2pppk2/2p4n/5bbp/6r1/1P6/PP1PPPP1/RNB1KBNR]

14+12. Proof game in 14.5 moves (Two solutions)

R010 - Juha Saukkola
Probleemblad, Sep. 1997
5th Hon. Mention Probleemblad 1996/1997

[r1q5/rb3k2/n1p2p2/3pp3/7b/8/BpPPPPRB/RNBQKBNR]

15+12. Proof game in 17.5 moves

2928 - Thomas Brand
Probleemblad, Jan. 1996
6th Hon. Mention Probleemblad 1996/1997

[rnbqk2r/1p1pnppp/1p6/2pN4/8/4bP2/1PPP1PPP/RNBQKB1R]

15+15. Proof game in 16.5 moves

3074 - Michel Caillaud
Probleemblad, Sep. 1996
1st Comm. Probleemblad 1996/1997

[rnbqkbnr/ppppp1pp/5p2/8/4P3/3P1P2/PPP3P1/RN1QK1N1]

12+16. a) Proof game in 7.0 moves b) Proof game in 10.0 moves

3039v - Frank Christiaans
Probleemblad, Sep. 1996 (for the corrected version)
2nd Comm. Probleemblad 1996/1997

[1k6/5p2/K7/88888]

1+2. Add 2 wh. rooks, 1 bl. rook, 1 bl. bishop and 2 bl. pawns to obtain a (3+6) Illegal Cluster
a) diagram: 1 solution
b) Pf7 -> e7: 2 solutions
c) Pf7 -> d7: 3 solutions