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Die Schwalbe

No. 227, October 2007

13513 - Alexander Yarosh

Die Schwalbe 227, October 2007

[5k2/pppppp2/7P/1P4pK/6PB/5PRn/2P1PRQN/5BNn]

14+10. Add 4 pieces, including pieces on g6 and h8, of which one is white. Then Release the position!

[5k2/pppppp2/7P/1P4pK/6PB/5PRn/2P1PRQN/5BNn]

Solution


13514 - Bernd Schwarzkopf

Die Schwalbe 227, October 2007

[7B/1p4p1/3p4/8/3PpPP1/PPkrbRP1/B1pnPppb/1QK4N]

13+12. Last 26 moves? (Duplex)

[7B/1p4p1/3p4/8/3PpPP1/PPkrbRP1/B1pnPppb/1QK4N]

Solution


13515 - Günther Weeth

Die Schwalbe 227, October 2007

[8/8/1p6/6r1/8/8/4p3/4KBk1]

2+4. Retract 3 moves; then mate in one (Proca Retractor, Anti-Circe, Magic square b7)

[8/8/1p6/6r1/8/8/4p3/4KBk1]

Solution


13516 - Günther Weeth

Die Schwalbe 227, October 2007

[8/8/1p2p1n1/8/8/3p4/3rp3/4KBkb]

2+8. Retract 4 moves; then mate in one (Proca Retractor, Anti-Circe, Magic square b7)

[8/8/1p2p1n1/8/8/3p4/3rp3/4KBkb]

Solution


13517 - Wolfgang Dittmann

Die Schwalbe 227, October 2007

[8/K1bp4/b2p2p1/P5p1/3Pr1pk/6p1/5Pr1/3n2N1]

5+12. Retract 5 moves; then mate in one (Proca Retractor, Anti-Circe Cheylan)

[8/K1bp4/b2p2p1/P5p1/3Pr1pk/6p1/5Pr1/3n2N1]

Solution


13518 - Anatoli Vasilenko, Mark Masistyi

Die Schwalbe 227, October 2007

[rnbqkbnr/p1B2p2/P7/1p6/5N2/2P1P3/PPP1K1PP/R4BNR]

15+11. Proof Game in 13.5 moves (Coucou Circe)

[rnbqkbnr/p1B2p2/P7/1p6/5N2/2P1P3/PPP1K1PP/R4BNR]

Solution


13519 - Henryk Grudzinski

Die Schwalbe 227, October 2007

[r3kbnr/8/NPPPPPPP/K7/4P3/3p4/PPPP1PPP/RNB2BNR]

23+6. Proof Game in 14.0 moves (Andernach, Circe Parrain)

[r3kbnr/8/NPPPPPPP/K7/4P3/3p4/PPPP1PPP/RNB2BNR]

Solution


13520 - Hanryk Grudzinski

Die Schwalbe 227, October 2007

[r1bqkb1r/8/PPPPPPPP/K7/8/4P3/PPPNnPPP/RNB2BNR]

23+7. Proof Game in 14.0 moves (Andernach, Circe Parrain, Relay Chess)

[r1bqkb1r/8/PPPPPPPP/K7/8/4P3/PPPNnPPP/RNB2BNR]

Solution


13521 - Werner Datler

Die Schwalbe 227, October 2007

[8/8/8/8/6Q1/4P3/PPPP1PPP/RNB1KBNR]

16+0. Proof Game in 21.5 moves (Losing Chess)

[8/8/8/8/6Q1/4P3/PPPP1PPP/RNB1KBNR]

Solution


13522 - Anatoli Vasilenko, Andrei Frolkin

Die Schwalbe 227, October 2007

[1nq2b1r/p1p1p2p/5pp1/6kn/4P3/8/PPPP1PPP/RNB1K1NR]

14+12.

a) Proof Game in 8.0, h#1.5 (0.2;1.1)
b) Proof Game in exactly 8.5, h#1.5 (0.2;1.1)

[1nq2b1r/p1p1p2p/5pp1/6kn/4P3/8/PPPP1PPP/RNB1K1NR]

Solution


13523 - Peter Heyl

Die Schwalbe 227, October 2007

[rnbqkb1Q/ppppp2p/8/5p2/8/n7/PPP1P1PP/2KR1BNR]

12+14. Proof Game in 8.0 moves

[rnbqkb1Q/ppppp2p/8/5p2/8/n7/PPP1P1PP/2KR1BNR]

Solution


13524 - Valentin Blacker

Die Schwalbe 227, October 2007

[8/8/8/5P2/5KPn/7p/6PN/5BBk]

7+3. Equal last move?

[8/8/8/5P2/5KPn/7p/6PN/5BBk]

Solution


13525 - Andreas Witt

Die Schwalbe 227, October 2007

Construct, using wK, wQ, wP, bK, a position in which white had as many last moves as possible.

Solution


13526 - Frank Fiedler

Die Schwalbe 227, October 2007

How many proofgames exist in which the white king, on h2, is mated by a black queen in the fastest possible way?

Solution


13527 - Werner Keym

Die Schwalbe 227, October 2007

The centers of the squares on which the two kings and two other white pieces are standing form (1) a rectangle (2) a square of (a) minimal (b) maximal area. In each of these four positions, a #1 is possible. Which (most economical) pieces are needed in each case?

Solution