The Retrograde Analysis Corner

Phénix

No. 84, April 2000

3345 - Nicolai Zinovyev
Phénix 84, Apr. 2000

[K7/1R6/k7/P7/P7/8/8/8]

4+1. Mate in how many moves?

3346 - Thierry Le Gleuher
Phénix 84, Apr. 2000

[B3k3/p3p2p/Np1pPp2/3P1P2/2K1PP2/8/NP6/8]

3347 - Alexander Zolotarev
Phénix 84, Apr. 2000

[bNrrq3/Pnp5/B1K5/QR1pn2Q/2kP2P1/2P5/2PP3P/8]

13+9. Minimal number of queen moves?

3348 - Alexander Zolotarev
Phénix 84, Apr. 2000

[rb6/Rrpn4/B1K5/PRPP4/2k5/2PP1P1N/3Pb2P/3N1b2]

14+8. Minimal number of knight moves?

3349 - Pascal Wassong
Dedicated to André Hazebrouck
Phénix 84, Apr. 2000

[6bR/5PpB/pppBp1K1/2Rp1p2/6k1/2P1P1P1/2PP1PP1/5NQ1]

15+9. Where has the missing white knight been captured?

3350 - Gianni Donati & Michel Caillaud
Phénix 84, Apr. 2000

[rn4nr/p2p1ppp/q1p5/k1bpp3/7P/5P2/PPPP2P1/RNBbK1N1]

12+16. Proof game in 14.0 moves

3351 - Satoshi Hashimoto
Phénix 84, Apr. 2000

[rnbqkbn1/pRpp1pQp/2pp4/K7/8/B1N1P3/P3PPPP/5BNR]

14+14. Proof game in 20.0 moves

3352 - Gianni Donati
Phénix 84, Apr. 2000

[2k3nr/ppp2ppp/3p4/4p2b/P1N3n1/b4P1r/1PPPPP1P/R2QKBNR]

15+15. Proof game in 20.0 moves

3353c - Michel Caillaud
Phénix 84, Apr. 2000

[r2nk3/pn3pp1/1p1pp3/P2p3p/2r5/2P3P1/bPP1P2N/RNB1KQqR]

13+15. Proof game in 22.5 moves