# Die Schwalbe

No. 226, August 2007

13431 -

Die Schwalbe 226, August 2007

4+14. h#4 (0.1;1.1...)

a) Diagram
b) -wPd4

[r3k3/7P/3n1p1n/5Ppr/2bPpKp1/q1b1p1p1/8/8]

Solution

13450 -

Die Schwalbe 226, August 2007

7+8. Mate in one

a) DR and AP, PRA
b) wPd5->d4 AP, PRA and DR

[4k2r/2pppp1p/5Q1P/3P1p1K/2N2P2/8/7P/8]

Solution

13451 -

Die Schwalbe 226, August 2007

14+12. Shortest Proof Game in 9.0 moves (2 solutions)

[2b1kbnr/p1pn1ppp/8/4p3/7P/8/PPPP1KPP/RNBQ2NR]

Solution

13452 -

Die Schwalbe 226, August 2007

16+16. Shortest Proof Game in 4.0 moves (Fischer Random Chess)

[bqnrnkrb/pppppppp/8/8/8/8/PPPPPPPP/BQRKNRNB]

Solution

13453 -

Die Schwalbe 226, August 2007

2+8. Retract 3 moves; then mate in one (Anti-Circe Cheylan, Proca Retractor)

[n3k3/8/b7/8/3p3b/2B3p1/2rr4/4K3]

Solution

13454 -

Die Schwalbe 226, August 2007

3+8. Black to move. Last move?

a) Diagram
b) wQb8=wRb8

[nQr1B3/1ppKpp2/kp6/8/8/8/8/8]

Solution

13455 -

Die Schwalbe 226, August 2007

3+9. Equal last move?

[nQr1B3/1ppKpp2/kp6/8/8/8/8/7q]

13456 -

Die Schwalbe 226, August 2007

9+7. Left: Equal last move? Right: Equal last move?

[6Nk/4pP1n/6KP/6P1/1P6/pk6/Nr1P4/Kn6]

Solution

13457 -

Die Schwalbe 226, August 2007

3+16. Which move should black retract that leaves him with 80 possible moves?

[8/k1p3pp/p1Pp4/p3n1b1/8/rn5p/b4q1p/1r4BK]

Solution

13458 -

Die Schwalbe 226, August 2007

16+14. Add the black king for h#2

[rnb2bnr/pppppppp/8/8/8/3NN3/PPPPPPPP/R1BQKB1R]

Solution

13459 -

Die Schwalbe 226, August 2007

What's the shortest game in which the black king (on g8) is mated by a pawn move?

Solution

13460 -

Die Schwalbe 226, August 2007

What's the shortest game in which white, starting with 1. e4, mates the black king (on a7) by a queen move to c7?

Solution