No. 25, Jan-Mar 2004
R0109 - Wolfgang Dittmann
Strategems 25, Jan-Mar 2004
3+10. Retract 7 half-moves for #1 (Proca retractor, Anticirce Cheylan)
[1b5R/8/5p1p/8/3p2r1/5p1k/6pn/3rK1B1]
Solution
P0143 - CC Frankiss
14+13. SPG 14.0
[1nb1k3/1p1ppprp/1P3npB/1p6/1P6/1pP1P3/1PQ2PPP/3NK1NR]
P0144 - Roberto Osorio, Jorge J Lois
15+14. Shortest proof game in 14.5 moves
[r1n1k3/p1pp1p1p/2n2p2/1p3b2/7N/6q1/PPPPPrPP/RNBQKB1R]
P0145 - Roberto Osorio, Jorge J Lois
10+11. Shortest proof game in 16.0 moves
[8/2p1pp2/8/rnbqkbnr/8/1P6/P2P2PP/RN2KB1R]
P0146 - Nicolas Dupont
13+14. Shortest proof game in 18.0 moves
[1nbqkbnr/1pp1pppp/4R3/Bp1P4/3NP3/1PK2P1R/1P1N1P1P/8]
P0147 - Reto Aschwanden
14+13. Shortest proof game in 20.0 moves
[rnbqkbnr/p1p4p/1Q2p1p1/1P5P/2RPP3/8/P2B1P2/1KNBRN2]
P0148 - Rustam Ubaidullaev
For Anna
16+15. Shortest proof game in 23.0 moves
[rnbq1bnr/ppppppBp/4R1P1/7Q/R2P4/1P2PN2/P1P2PP1/3kNBK1]