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Die Schwalbe

No. 195, June 2002

11519 - Andrej Frolkin & Andrej Kornilow
Die Schwalbe, Heft 195, May/June 2002

[5K1N/1PpprP2/2p1pRQk/5pqb/5prb/6BB/3P1PPP/7n]

12+13. Release the position

[5K1N/1PpprP2/2p1pRQk/5pqb/5prb/6BB/3P1PPP/7n]


11520 - Günther Weeth & Werner Keym
Die Schwalbe, Heft 195, May/June 2002

[r1bqkb1r/1pppp1p1/5p1p/7K/8/8/4P3/8]

2+13. Add 2 white pieces in such a way, that promotion of the black a-pawn is proven. How many solutions?

[r1bqkb1r/1pppp1p1/5p1p/7K/8/8/4P3/8]


11521 - Günther Weeth
Die Schwalbe, Heft 195, May/June 2002

[8/4kB2/n2p4/K6Q/8/5p2/8/8]

3+4. Shortest possible retro-stalemate? (White starts the retractions)

[8/4kB2/n2p4/K6Q/8/5p2/8/8]


11522 - Rustam Ubaidullaev
Die Schwalbe, Heft 195, May/June 2002

[rnb1kbnr/4p1pp/6P1/pp1p2q1/4P1P1/1p5P/PP1P4/RNBQKBNR]

15+15. Proofgame in 17.0 moves

[rnb1kbnr/4p1pp/6P1/pp1p2q1/4P1P1/1p5P/PP1P4/RNBQKBNR]


11523 - Antonio Garofalo
Die Schwalbe, Heft 195, May/June 2002

[rnbqkbn1/ppppppp1/8/8/8/6r1/PPPPPPPP/RNK1r1NR]

13+16. (Circe) Proofgame in 11.0 moves

[rnbqkbn1/ppppppp1/8/8/8/6r1/PPPPPPPP/RNK1r1NR]


11524 - Wolfgang Dittmann
Die Schwalbe, Heft 195, May/June 2002

[6Rk/7b/6P1/1P3N2/5P2/8/3P1P1P/R1B1K3]

11+2. (AntiCirce Cheylan) Retract 4 halfmoves for a s#1, (Proca Retractor)

[6Rk/7b/6P1/1P3N2/5P2/8/3P1P1P/R1B1K3]


11525 - Wolfgang Betzen
Die Schwalbe, Heft 195, May/June 2002

[1nBb4/2k5/2P1QP2/2KpP3/8/8/8/8]

6+4. Mate in how many moves?

[1nBb4/2k5/2P1QP2/2KpP3/8/8/8/8]


11526 - Wolfgang Betzen
Die Schwalbe, Heft 195, May/June 2002

[8/8/4RPB1/5p2/8/1PPkN3/4N1Q1/R1K5]

10+2. Mate in 1/2 moves

[8/8/4RPB1/5p2/8/1PPkN3/4N1Q1/R1K5]


11527 - Alexander Jarosch
Die Schwalbe, Heft 195, May/June 2002

[2qrrkb1/K1pppr1B/p3NPRQ/5pRp/P5p1/3P4/1PP1PP1P/8]

14+13. Release the position.

[2qrrkb1/K1pppr1B/p3NPRQ/5pRp/P5p1/3P4/1PP1PP1P/8]