The Retrograde Analysis Corner

StrateGems

No. 17, Jan-Mar 2002

R0090 - Nicolas Dupont & Andrew Buchanan

StrateGems 17, 2002

[Bb6/kPp1p2p/p1P1P2P/1p1prr2/2pn1qnK/4p3/6P1/5b2]

7+16. Consequent ser-#28

[Bb6/kPp1p2p/p1P1P2P/1p1prr2/2pn1qnK/4p3/6P1/5b2]

Solution

R0091 - Andrey Kornilov

StrateGems 17, 2002

[6b1/P2p1ppq/pp3p1p/P4K2/3p1P1P/3PPkPr/2PRNr1Q/3BbRn1]

14+15. Mate?

[6b1/P2p1ppq/pp3p1p/P4K2/3p1P1P/3PPkPr/2PRNr1Q/3BbRn1]

Solution

P0091 - Dan Meinking

StrateGems 17, 2002

[qnb5/bp1p4/rkpQ1R2/p7/P7/1P6/1P1PPPPP/1NB1KBNR]

16+10. Proof Game in 13.5 moves

Note: "Dan challenges composers to find a proof game ending in stalemate in less than 13.5 moves, and to find a proof game ending in stalemate with all 16 units present for the stalemated side."

[qnb5/bp1p4/rkpQ1R2/p7/P7/1P6/1P1PPPPP/1NB1KBNR]

Solution

P0092 - Gianni Donati

StrateGems 17, 2002

[r1n1k1nr/pp3ppp/2p3b1/3p4/6p1/8/P1P1PPPP/RNBQKBNR]

14+14. Proof Game in 14.0 moves

[r1n1k1nr/pp3ppp/2p3b1/3p4/6p1/8/P1P1PPPP/RNBQKBNR]

Solution

P0093 - Michel Caillaud

StrateGems 17, 2002

Dedicated to Gianni Donati

[Q1Bk4/ppp2ppp/1nq3bn/2rpp1r1/4P3/2b5/PPPP1PPP/RNB1K1NR]

16+16. Proof Game in 20.5 moves

[Q1Bk4/ppp2ppp/1nq3bn/2rpp1r1/4P3/2b5/PPPP1PPP/RNB1K1NR]

Solution

P0094 - Noam Elkies

StrateGems 17, 2002

Dedicated to Richard Stanley

[2brkbnq/1p1np1pr/1R2Kprp/B4N1Q/B7/2P1P3/1p3PPP/1R4NR]

14+15. Proof Game in 23.5 moves

[2brkbnq/1p1np1pr/1R2Kprp/B4N1Q/B7/2P1P3/1p3PPP/1R4NR]

Solution

P0095 - Michel Caillaud

StrateGems 17, 2002

Dedicated to Kevin Begley

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

16+16. (Circe Parrain) Find a game ending in quadruple check and mate on white's 8th move

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

Solution

H0608 - Andrew Buchanan

StrateGems 17, 2002

In memoriam Gabor Cseh

[nrb1k2r/1ppppppp/1p4n1/8/8/P7/1PPPPPPP/RNB1KB1R]

14+14. h#3*

[nrb1k2r/1ppppppp/1p4n1/8/8/P7/1PPPPPPP/RNB1KB1R]

Solution