The Retrograde Analysis Corner

Phénix

No. 175, Jul.-Aug. 2008

5727 - Michel CAILLAUD

Phénix 175, Jul.-Aug. 2008

Dedicated to Dmitry BAIBIKOV

[8/3p4/1pn5/1p1b4/pP1PpP2/BK1rQp2/P3PP1P/R1kqb3]

11+12. Supplement the position.

[8/3p4/1pn5/1p1b4/pP1PpP2/BK1rQp2/P3PP1P/R1kqb3]

5728 - Alexandre M. YAROSH

Phénix 175, Jul.-Aug. 2008

[NN6/2ppp2p/1p4p1/8/pP6/BrPP4/rqPRPPP1/nk1QR3]

13+12. Add the wK, 1 piece and 1 Pawn

[NN6/2ppp2p/1p4p1/8/pP6/BrPP4/rqPRPPP1/nk1QR3]

5729 - Gianni DONATI

Phénix 175, Jul.-Aug. 2008

[2Q2b2/p1rnppp1/1pkp2bn/q1r5/2B1P1p1/2N5/PPP2PPP/RNB3KR]

15+15. Short proof game in 15.5 moves? (C+)

[2Q2b2/p1rnppp1/1pkp2bn/q1r5/2B1P1p1/2N5/PPP2PPP/RNB3KR]

5730 - Rustam UBAIDULLAEV

Phénix 175, Jul.-Aug. 2008

Dedicated to Michel Caillaud

[q3K3/5np1/pk6/5p1p/rbp5/Q4r2/P1PP1P1P/RNB2BNb]

12+12. Short proof game in 20.0 moves ? (C+)

[q3K3/5np1/pk6/5p1p/rbp5/Q4r2/P1PP1P1P/RNB2BNb]

5731 - Bernd GRAEFRATH

Phénix 175, Jul.-Aug. 2008

[rnb2qk1/1pp2ppp/p7/8/8/P7/1PP1PPPP/RNBQKBNR]

15+11. Short proof game in 8.5 moves? (C+) (Grid chess)

[rnb2qk1/1pp2ppp/p7/8/8/P7/1PP1PPPP/RNBQKBNR]

5732 - Alain BROBECKER

Phénix 175, Jul.-Aug. 2008

(With the help of a computer)

[rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR]

16+16. Find the single proof game ending with 4.c5# (Berolina Pawns) (C+)

[rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR]