No. 139, April 2005
4828 - W. Dittmann Phénix, No. 139, April 2005
9+4. Retract 7 moves; then #1 (Proca retractor, Anticirce)
[b1q5/1P6/4P3/6P1/5P1k/5PRr/P6B/4K3]
4829 - A. Frolkin & A. Kornilov (= 3441c) Phénix, No. 139, April 2005
12+13. Resolve the position
[2bb1KQ1/2pprp2/2P1pRqk/1p3pRb/6pP/8/1P1PPPP1/2B5]
4830 - A. Frolkin & Y. Lebedev (= 4740) Phénix, No. 139, April 2005
14+11. Resolve the position
[nb6/rRpp1p2/BP5P/RpN1p3/1p2P3/k1PP4/2PrPP2/1QK5]
4831 - M. Grushko Phénix, No. 139, April 2005
15+13. Shortest proof game in 7,0 moves? (Masand)
[r1r2r2/pppp2pp/2n1pk2/6q1/8/8/PPPPP1PP/RNBQKBNR]
Masand: A piece which directly threatens the opposite King after it moves change the color of the pieces it controls or attacks, except the Kings.
4832 - N. Dupont Phénix, No. 139, April 2005
13+11. Shortest proof game in 8,5 moves (C+)
[3qkbnr/pp1pp1pp/8/8/8/8/P1P2PPP/RNBQKBNR]
4833 - C. Fieberg Phénix, No. 139, April 2005
15+14. Shortest proof game in 9,0 moves (C+)
[rnBqkB2/p1pp1p1p/1p5n/4p3/4P3/3P2P1/P1P2P1P/RNbQKbNR]
4834 - M. Caillaud Phénix, No. 139, April 2005
13+13. Shortest proof game in 21,0 moves (C+)
[1n4nr/pk1ppB1p/pq1R1p2/8/8/2P1r1QP/P1bPP1KP/RN4N1]
4835 - R. Ubaidullaev Phénix, No. 139, April 2005
15+14. Shortest proof game in 22,0 moves
[6n1/2B1Nk1B/n1Q3br/pppppppp/R7/PPPPPPPP/3b1K1R/8]