# Die Schwalbe

No. 227, October 2007

13513 - Alexander
Yarosh

Die Schwalbe 227, October 2007

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

13+12.
Last 26 moves? (Duplex)

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

Solution

13515 - Günther
Weeth

Die Schwalbe 227, October 2007

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

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

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

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

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

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

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

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

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

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