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Die Schwalbe

No. 217, February 2006

12900v - Günther Ernst Weeth
Die Schwalbe, No. 217, February 2006

[r4k2/3p4/3P4/8/8/1P3N2/1BP5/1b2K2R]

7+4. Retract 2 moves, then s#1 (Proca retractor, Anti-Circe)

[r4k2/3p4/3P4/8/8/1P3N2/1BP5/1b2K2R]


12955 - Alexander Jarosch
Die Schwalbe, No. 217, February 2006

[r3k1NQ/1ppn2p1/n1p1pp2/2N5/1r6/3P2PP/pP1PPPq1/2B4B]

12+13. Add the White King and a Pawn; then retract one White move; then #2

[r3k1NQ/1ppn2p1/n1p1pp2/2N5/1r6/3P2PP/pP1PPPq1/2B4B]


12956 - Werner Keym
Die Schwalbe, No. 217, February 2006

[rB5K/rp3p2/p7/8/3PP1p1/2PBpPnP/1R1P1pPk/NQ2bR2]

14+11. Retract 3 moves; then #1 (2 solutions) (Proca retractor)

[rB5K/rp3p2/p7/8/3PP1p1/2PBpPnP/1R1P1pPk/NQ2bR2]


12957 - Emiliano F. Ruth
Die Schwalbe, No. 217, February 2006

[3n4/5r2/k1p1P3/4P1p1/1p3pN1/1P5N/P1PPNRNK/2bbR1nQ]

14+10. Retract 9 moves; then #1 (Proca retractor)

[3n4/5r2/k1p1P3/4P1p1/1p3pN1/1P5N/P1PPNRNK/2bbR1nQ]


12958 - Roberto Osorio & Jorge L. Lois
Die Schwalbe, No. 217, February 2006

[1Nrqkb1r/1ppppppp/P7/8/8/6PB/PP2PP1P/4K1nN]

11+13. Retract 17 moves; then #1 (Proca retractor)

[1Nrqkb1r/1ppppppp/P7/8/8/6PB/PP2PP1P/4K1nN]


12959 - Eyjolfur O. Eyjolfsson
Die Schwalbe, No. 217, February 2006

[1NBrbbnr/ppp1pppp/3pQ3/1k2PP2/3n4/3P4/PPP2P1P/RNB1K2R]

16+15. Proof game in 13.5 moves (C+)

[1NBrbbnr/ppp1pppp/3pQ3/1k2PP2/3n4/3P4/PPP2P1P/RNB1K2R]


12960 - Thierry Le Gleuher
Die Schwalbe, No. 217, February 2006
Dedicated to Gerd Wilts

[4k3/8/8/8/8/8/8/R3K3]

2+1. Proof game in 16.5 moves with 4. g2-g4

[4k3/8/8/8/8/8/8/R3K3]


12961 - Bernd Gräfrath
Die Schwalbe, No. 217, February 2006

[8/8/8/1k6/PP6/6P1/3PPPP1/4K3]

8+1. First move? Last move? (monochromatic chess)

[8/8/8/1k6/PP6/6P1/3PPPP1/4K3]


12962 - Günther Ernst Weeth & Klaus Wenda
Die Schwalbe, No. 217, February 2006

[6rk/6B1/2p5/2P2p2/5p2/r2b1p2/2P3Kn/1n3R1b]

5+11. Retract 5 moves; then #1 (Proca retractor, Anti-Circe)

[6rk/6B1/2p5/2P2p2/5p2/r2b1p2/2P3Kn/1n3R1b]


12963 - Klaus Wenda
Die Schwalbe, No. 217, February 2006

[1Q2R3/qr4N1/7b/8/R1n5/Kk6/PPn2B2/3rN3]

9+7. Retract 3 moves; then s#1 (Proca retractor, Anti-Circe)

[1Q2R3/qr4N1/7b/8/R1n5/Kk6/PPn2B2/3rN3]


12964 - Martin Walter
Die Schwalbe, No. 217, February 2006

[rnbq2nr/ppp2ppp/3kp3/8/3K4/8/PPPPPPPP/RNBQ1BNR]

16+14. Proof game in 6 moves (Anti-Circe)

[rnbq2nr/ppp2ppp/3kp3/8/3K4/8/PPPPPPPP/RNBQ1BNR]


5648vv - Wolfgang Dittmann & Klaus Wenda
Die Schwalbe, No. 217, February 2006

[2kr1Rrb/Bp3pPp/1P1K4/PPPpPP2/7R/3p4/4P3/8]

12+9. Retract 3 moves, then #1 (Proca Retractor, Madrasi)

[2kr1Rrb/Bp3pPp/1P1K4/PPPpPP2/7R/3p4/4P3/8]