The Retrograde Analysis Corner

Phénix

No. 73, April 1999

3044 - Paul Raican
Phénix 73, Apr. 1999

[2n5/8/8/P7/8/N7/8/8]

2+1. Add both kings and 6 white pawns for an Illegal cluster

3045 - Nikita Plaksin & Alexander Zolotarev
Phénix 73, Apr. 1999

[QNkN4/qRB2pp1/qbKpp3/p5P1/2P5/5PPn/P1P1P1P1/5Bn1]

3046 - Michel Caillaud
Phénix 73, Apr. 1999

[k5n1/3ppp1p/B1p2p2/pP3P1b/4P1nP/8/1PP1PPrb/RNB1K1NR]

15+13. Proof game in 25.5 moves

3047 - Mikhail Kozulya
Phénix 73, Apr. 1999

[rnb1kbnr/pp2p1p1/1pp5/8/5P2/1P1P2pK/PB1PP3/5BqR]

10+15. Proof game in 15.0 moves

3048 - Alexander Zolotarev
Phénix 73, Apr. 1999

[rb6/rpp1p2p/Q1p4P/K7/P1P5/kb5p/nnPPP1P1/RqB2B2]

12+14. Last move of bNa2?
a) diagram
b) Pc7 -> b6 and Ph3 -> g3

3049 - Andrei Frolkin
Phénix 73. Apr. 1999

[1nbqkb1r/2Pppp1p/4qn2/2n3b1/3K2P1/BQN5/3PPP1N/2rB2NR]

13+15. Proof game in 24.0 moves