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StrateGems

No. 34, Apr-Jun 2006

R0126 - Paul Raican

StrateGems 34, Apr-Jun 2006

[8/6B1/8/6P1/2p3kB/1qN1pp2/1P6/4K1b1]

6+6. Retract 7 moves, then mate in one (Proca Retractor, Anti-Circe Cheylan, 2 white Bishops on black squares)

[8/6B1/8/6P1/2p3kB/1qN1pp2/1P6/4K1b1]

Solution

 

R0126v - Paul Raican

The author improves R0126v by removing f3:

[8/6B1/8/6P1/2p3kB/1qN1p3/1P6/4K1b1]

6+5. Retract 8 moves, then mate in one (Proca Retractor, Anti-Circe Cheylan, 2 white Bishops on black squares)

[8/6B1/8/6P1/2p3kB/1qN1p3/1P6/4K1b1]

Solution


P0188 - Udo Degener

StrateGems 34, Apr-Jun 2006

[rnbq1R1r/pppp3p/4pnp1/6bk/7P/8/PPPPP1P1/RNBQKBN1]

15+15. Proof Game in 8.5 moves

a) Diagram
b) -bBg5: Proof Game in 7.5 moves

[rnbq1R1r/pppp3p/4pnp1/6bk/7P/8/PPPPP1P1/RNBQKBN1]

Solution


P0189 - Michael Grushko

StrateGems 34, Apr-Jun 2006

This problem was later found to be cooked.

[rnbQKb1r/pppp1ppp/8/6B1/8/8/PPP1PPPP/RN1qkBNR]

15+14. Proof Game in 9.5 moves (Transmuting kings)

[rnbQKb1r/pppp1ppp/8/6B1/8/8/PPP1PPPP/RN1qkBNR]

Solution


P0190 - Andrei Frolkin, Kostas Prentos

StrateGems 34, Apr-Jun 2006

[1n3R1B/1p3n2/1p1pnpp1/2p4k/1q6/2PP2r1/PRPP2Q1/RNN1KB2]

14+12. Proof Game in 26.5 moves

[1n3R1B/1p3n2/1p1pnpp1/2p4k/1q6/2PP2r1/PRPP2Q1/RNN1KB2]

Solution