Die Schwalbe

No. 200, April 2003

11855 - A. Kornilov, A. Frolkin
Die Schwalbe, No. 200, April 2003

14+12. Last 3 half-moves?

[2b4N/NPrppp2/qRp3p1/Rp6/Bp6/k1PP2P1/2PrPP2/1QK5]

11856 - Emiliano F. Ruth
Die Schwalbe, No. 200, April 2003

14+9. Retract 13 half-moves for #1 (Proca-retractor)

[2q5/2k5/B1b1p1P1/2K1NP2/1p2RrR1/BpP1PP2/1pPn4/1QN5]

11857 - Sergio Orce
Die Schwalbe, No. 200, April 2003

(This problem was later fond to be cooked. See 11857v)

10+4. Retract19 half-moves for #1 (Proca-retractor)

[r2k4/r7/1PPPPPPP/8/8/8/3n4/R1K3N1]

11858 - Thierry le Gleuher
Die Schwalbe, No. 200, April 2003

16+4. Shortest proof game in 13.5 moves

[8/3p2p1/7n/8/2k5/8/PPPPPPPP/RNBQKBNR]

11859 - Gligor Denkovski
Die Schwalbe, No. 200, April 2003

11+14. Shortest proof game in 14.0 moves

[rnbqkbnr/1ppppp2/8/8/5P2/3P3N/PPP3Pp/KR1NQ3]

11860 - Rustam Ubaidullaev
Die Schwalbe, No. 200, April 2003

16+15. Shortest proof game in 17.5 moves

[rnb1kbnr/pp1pp1pp/2p1Bp2/2B5/R1P1P2Q/1PN3P1/P2PNPPK/7R]

11861 - Wolfgang Dittmann
Die Schwalbe, No. 200, April 2003

2+11. Retract 7 half-moves for #1 (Proca-retractor, AntiCirce Cheylan)

[8/p1n2p2/1p4p1/6pk/2q3b1/8/rp1P4/4K3]

11862 - Wolfgang Dittmann
Die Schwalbe, No. 200, April 2003

11+4. Retract 23 half-moves for #1 (Proca-retractor, AntiCirce Cheylan)

[5Bk1/4PrP1/5Pb1/2P1P2p/2P1P3/7K/7P/1N6]

11863 - Henryk Grudzinski
Die Schwalbe, No. 200, April 2003

16+16. Shortest proof game in 9.0 moves (Circe)

[r1b1kbnr/pppppppp/8/8/8/2PKB3/PPnPPPPP/RQqN1BNR]

11864 - Alexander Yarosh
Die Schwalbe, No. 200, April 2003

14+13. Release the position

[1QRr1rk1/p1pp1ppR/1p4Pb/7N/3P4/2PPKp2/1P1Bb1P1/3NqB2]

11865 - Alexander Yarosh
Die Schwalbe, No. 200, April 2003

0+0+2. [2 neutral kings] Color the kings and add 2Q+1S for an illegal cluster

[8/3K4/K7/8/8/8/8/8]

11866 - Klaus Kiesow
Die Schwalbe, No. 200, April 2003

14+11. Shortest proof game in 7.0 moves

[2kr1bnr/p1p1pppp/8/8/8/8/P1PP1PPP/RNBQKBNR]