No. 212, April 2005
12635 - Werner Keym Die Schwalbe, No. 212, 04/2005
6+4. Shortest mate? (4x8 right half board) a) diagram b) horizontally mirrored (e1 becomes h1)
[4kB2/4P3/4P1p1/4PpK1/4p3/8/8/7B]
12636 - Thierry Le Gleuher Die Schwalbe, No. 212, 04/2005
14+10. Last 28 single moves?
[2kr2K1/1p1N1Rp1/2p3Qp/8/5p2/1P2p1P1/PP1PPP1b/RN4Br]
12637 - Alexandr Zolotarew Die Schwalbe, No. 212, 04/2005
14+13. What was the first move of the black king?
[2b2k2/1pPPpPqn/1pp2ppP/3n3B/6PR/6pK/Pq3PRQ/6BN]
12638 - Alexander Jarosch Die Schwalbe, No. 212, 04/2005
3+3. Add the two kings and other 13 chessmen to get a position in which as many chessmen as possible have been captured on it's initial position!
[German: Ergänze die beiden Könige und 13 weitere Steine zu einer Position, bei der möglichst viele Steine auf ihren Ausgangsfeldern geschlagen wurden!]
[R7/p7/4n3/8/8/6P1/P1r5/8]
12639 - Alexander Jarosch Die Schwalbe 212 04/2005
9+13. White forces Black to show that 2 moves ago a "mate in one" was possible! (Madrasi)
[German: Wei?#376; zwingt Schwarz zu zeigen, dass vor 2 Zügen #1 möglich gewesen wäre!]
[rnbqk1K1/nrppp3/PpP1P1P1/1p6/5p2/1P6/3PP2P/8]
12640 - Henrik Juel Die Schwalbe 212 04/2005
1+3. Retract 5 moves, then mate in one (Proca retractor, Anticirce)
[4b3/8/k7/8/8/8/3p4/1K6]
12641 - Klaus Wenda Die Schwalbe 212 04/2005
2+10. Retract 4 moves, then mate in one (Proca retractor without forward defense, Anticirce Calvet)
[r7/3n1p2/1n6/r6q/8/kbNp4/p7/4K3]
12642 - Semion Shifrin & Michael Grushko Die Schwalbe, No. 212, 04/2005
16+16. Proof game in 12,0 moves (Circe Parrain)
[2kr1BNr/ppppp1p1/b1n1Bn2/8/q7/b6N/PPPP1PPP/RnBQKb1R]
12643 - Gerald Irsigler Die Schwalbe 212 04/2005
12+12. 26 consecutive chess bids (German: "Schachgebote")
[5R1q/5R1q/5Q1q/6Q1/QQQqq3/qQQqQ3/rrqqQK1k/8]
12644 - Bernd Gräfrath Die Schwalbe 212 04/2005
4+7. a) Orthodox: Retract 1 white move, then mate in 2 moves b) Maximummer: Retract one white move, then s#2
[r3k2B/3p1pPK/3P3p/8/8/p5p1/8/8]
12645 - Klaus Kiesow Die Schwalbe 212 04/2005
14+12. Proof game in 16,0 moves
[r3k1n1/3p1pp1/1pp5/4p3/7p/1P1PP1P1/P1P2P1P/NRbKQbRN]