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Die Schwalbe

No. 212, April 2005

12635 - Werner Keym
Die Schwalbe, No. 212, 04/2005

[4kB2/4P3/4P1p1/4PpK1/4p3/8/8/7B]

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

[2kr2K1/1p1N1Rp1/2p3Qp/8/5p2/1P2p1P1/PP1PPP1b/RN4Br]

14+10. Last 28 single moves?

[2kr2K1/1p1N1Rp1/2p3Qp/8/5p2/1P2p1P1/PP1PPP1b/RN4Br]


12637 - Alexandr Zolotarew
Die Schwalbe, No. 212, 04/2005

[2b2k2/1pPPpPqn/1pp2ppP/3n3B/6PR/6pK/Pq3PRQ/6BN]

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

[R7/p7/4n3/8/8/6P1/P1r5/8]

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

[rnbqk1K1/nrppp3/PpP1P1P1/1p6/5p2/1P6/3PP2P/8]

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

[4b3/8/k7/8/8/8/3p4/1K6]

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

[r7/3n1p2/1n6/r6q/8/kbNp4/p7/4K3]

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

[2kr1BNr/ppppp1p1/b1n1Bn2/8/q7/b6N/PPPP1PPP/RnBQKb1R]

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

[5R1q/5R1q/5Q1q/6Q1/QQQqq3/qQQqQ3/rrqqQK1k/8]

12+12. 26 consecutive chess bids (German: "Schachgebote")

[5R1q/5R1q/5Q1q/6Q1/QQQqq3/qQQqQ3/rrqqQK1k/8]


12644 - Bernd Gräfrath
Die Schwalbe 212 04/2005

[r3k2B/3p1pPK/3P3p/8/8/p5p1/8/8]

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

[r3k1n1/3p1pp1/1pp5/4p3/7p/1P1PP1P1/P1P2P1P/NRbKQbRN]

14+12. Proof game in 16,0 moves

[r3k1n1/3p1pp1/1pp5/4p3/7p/1P1PP1P1/P1P2P1P/NRbKQbRN]