No. 211, February 2005
12567 - Alexander Jarosch Die Schwalbe, No. 211, 02/2005
13+14. Release the position
[8/3p1p2/p1p2P1P/2P2p2/k1pP4/NNKRP3/RrBBrP2/nbnqn3]
12568 - Alexander Jarosch Die Schwalbe, No. 211, 02/2005
13+8. Add 3 white and 1 black chessmen, then mate in one
[8/2pp1p1p/8/8/3P1K2/PRP1P1P1/1PnR1PQ1/k1nNB2b]
12569 - Andreas Witt & Werner Keym Die Schwalbe, No. 211, 02/2005
14+14. How many moves must white and black retract for a mate in one by white?
[1nbqkbn1/pppppppp/8/8/8/8/PPPPPPPP/1NBQKBN1]
a) without wBe2 b) without sBg7 c) without sBd7 d) without sBf7 e) without wBf2 f) without wBe2, sBe7 g) without wBf2, sBf7
12570 - Christoph Fieberg Die Schwalbe, No. 211, 02/2005
12+13. Proof game in 11,5 moves
[rnbqkbR1/p1ppppp1/8/7r/7P/8/1PPPP1P1/3QKBNR]
12571 - Unto Heinonen Die Schwalbe, No. 211, 02/2005 Correction of 9721
15+13. Proof game in 15,5 moves (C+)
[3Qr1Q1/p1p1npbp/B1n1b3/1pk3r1/8/4P3/PPp2PP1/RNBQK1NR]
12572 - Bernd Gräfrath Die Schwalbe, No. 211, 02/2005
16+16. Proof game in 10,0 moves (Loosing game)
[rnb1kbr1/p2pq2p/5n2/1pp1p3/5pp1/8/PPPPPPPP/NRBQKBNR]
12573 - Michael Grushko Die Schwalbe, No. 211, 02/2005 Günter Büsing gewidmet
(This problem was later found to be cooked))
16+16. Proof game in 10,5 moves (Circe Parrain)
[rN1qkbNr/ppp2ppp/n5bB/3N4/3Q2n1/8/PPP1NPPP/Rn2KBnR]
12574 - Semion Shifrin & Michael Grushko Die Schwalbe, No. 211, 02/2005
16+16. Proof game in 12,0 moves (Circe Parrain)
[2kr1BNr/ppppp1p1/b1n1Bn2/8/q7/b6N/PPPP1PPP/RnBQKb1R]
12575 - Werner Keym Die Schwalbe, No. 211, 02/2005
15+6. Mate in 2 moves
[8/6P1/PP3Np1/ppP1P3/1pPkPQ2/1R1NpB2/1P6/R3K3]
12576 - Christoph Fieberg Die Schwalbe, No. 211, 02/2005
13+15. Proof game in 5,5 moves (C+). Where was the wSb1 captured?
[rn1qkbnr/ppp1pppp/8/8/6b1/5P2/PPPP2PP/R1B1KBNR]
