The Retrograde Analysis Corner

Probleemblad

September 2000

R063c - Unto Heinonen
Probleemblad Sep./Oct. 2000

[2k5/2p2p2/3p2pp/PP6/8/2PPp1PP/1K2PP2/1N1qQ1N1]

12+8. Proof game in 18.5 moves

R103 - Peter van den Heuvel
Probleemblad Sep./Oct. 2000

[rnbqkbnr/p1pppBpp/6P1/8/4Q3/5P2/PP1PNPRP/R1B1K3]

14+14. Proof game in 10.5 moves
(b): Qe4->b7

R104 - Satoshi Hashimoto
Probleemblad Sep./Oct. 2000

[1Qbqkbnr/1pppp1p1/4Bpp1/8/nK6/1P1P1P1N/1PPBPP1P/RN6]

15+14. Proof game in 19.0 moves

R105 - Joost de Heer
Dedicated to my father
Probleemblad Sep./Oct. 2000

[rnb1kbn1/ppp2ppp/8/3p4/3P4/8/P1P1PPPP/R1BQKBNR]

14+13. Proof game in 7.0 moves

R106 - Michel Caillaud
Dedicated to Joost de Heer
Probleemblad Sep./Oct. 2000

[2r3n1/p4kp1/pq4p1/3p2r1/4npb1/4P1P1/PPP3P1/RNBQKBNR]

14+13. Proof game in 16.0 moves (2 solutions)

R107 - Gianni Donati
Dedicated to Satoshi Hashimoto
Probleemblad Sep./Oct. 2000

[8/1pp2pp1/1pbpk1pn/2b3rr/3n4/5P2/PPPP1PPP/R1B1KB1R]

13+14. Proof game in 16.5 moves

R108 - Zvonimir Hernitz
Probleemblad Sep./Oct. 2000

[8/7r/4n3/5b2/3pk3/6p1/3p2Kp/4b2r]

1+10. White and black retract 2 moves (white starts), and then h#1

R109 - Henrik Juel
Probleemblad Sep./Oct. 2000

[Q1K1kb2/Rp1Rp1p1/p1p1P1pp/3p4/8/1P1P2PP/2PP1P2/NB4B1]

R110 - Alexander Zolotarev
Probleemblad Sep./Oct. 2000

[qQrRb3/pnNN1pp1/1BKpp3/2p5/PkP2P2/Rp3b2/P1PP2P1/8]

14+13. Last move?
(b): Pc4->d3, Pf4->e4

R028cv - Thierry le Gleuher
Probleemblad Sep./Oct. 2000

[6nr/p3b1p1/1k2bqp1/1p6/8/Kppp4/P4PPP/RNBQ1BNR]

12+13. Proof game in 17.0 moves