The Retrograde Analysis Corner

Phénix

No. 76, July-August 1999

3146 - Paul Raican
Phénix 76, July-Aug. 1999

[3k4/4n3/8/8/8/8/5K2/8]

1+2. Proof game in 17.0 move

3147 - Vilimantas Satkus
Phénix 76, July-Aug. 1999

[1Qr1k1n1/5p2/8/8/8/8/2P1PP2/4K3]

5+4. Proof game in 13.0 moves

3148 - Nikita Plaksin & Alexander Zolotarev
Phénix 76, July-Aug. 1999

[8/3qpp2/1p1Prp2/4PK2/p2p1NP1/5kpb/5PRp/3QrBBR]

11+13. Minimal number of queen moves?

3149 - Michel Caillaud
Ded. Thomas Volet
Phénix 76, July-Aug. 1999

[2b2B2/3p4/8/3PPP2/P1PrppRP/1PRrk1p1/1qp1p1P1/n3K1b1]

3150 - Andrei Frolkin
Phénix 76, July-Aug. 1999

[1b6/BrP5/NqP2p1p/Rppp2P1/1p2p3/k2P2p1/1NPrP2P/1QK5]

13+13. Which pieces necessarily visited b1?

3151 - Andrei Frolkin
Ded. Alexander Kislyak
Phénix 76, July-Aug. 1999

[6n1/3pp2B/6pr/p2p2pR/P4PKn/4P1P1/P1PPpqPk/4bQR1]

3152 - Michel Caillaud, Thomas Volet & Pascal Wassong
Phénix 76, July-Aug. 1999

[8/7b/2PP2PN/1Pp1P1p1/1p1BRP2/2Pqpp2/K1krp1P1/QN1Rn3]