Die Schwalbe

No. 228, December 2007

13580 - Alexander Yarosh

Die Schwalbe 228, December 2007

11+10. Last 2 moves? (Duplex)

[4b3/p2p1Pp1/2p1pp2/7p/7K/4P1PP/1PP1PPR1/5kbN]

Solution

13581 - Bernd Gräfrath

Die Schwalbe 228, December 2007

6+3. -1 (black starts) & r#1 (2 solutions, Høeg retractor)

[8/8/4k1P1/5Rr1/8/8/3rPP2/5RK1]

Solution

13582 - Frank Fiedler

Die Schwalbe 228, December 2007

3+5. -1.5 & h#1.5 (Help retractor)

[1R2kBb1/2p2pp1/8/8/8/8/8/1K6]

Solution

13583 - Frank Fiedler

Die Schwalbe 228, December 2007

15+13. Shortest proof game in 7.0 moves (2 solutions)

[rnbq3r/pppp1kpp/8/8/8/8/PPPPpPPP/RNBQKBNR]

Solution

13584 - Klaus Wenda

Die Schwalbe 228, December 2007

3+8. -6 & #1 (Proca retractor, anticirce)

[8/1b6/8/3p3B/2kp4/3p2n1/3pp3/RK6]

Solution

13585 - Günther Weeth

Die Schwalbe 228, December 2007

6+8. -4 & #1 (Proca retractor without forward defense, anticirce, magic square g1)

[8/4R3/6np/N7/k2p1p1q/N2PK3/3r4/2B2r2]

Solution

13586 - Bernd Schwarzkopf

Die Schwalbe 228, December 2007

What is the smallest square board on which 9 kings can be placed which all have a different number of possible moves?

Solution