No. 46, Apr-Jun 2009
R0149 - Dragan Petrovic
StrateGems 46, Apr-Jun 2009
16+16. Shortest resolution (Circe, 4wB)
[5B2/2p1p3/3Np3/2P1B3/1PPk1PP1/brrppKpB/Ppp1nRQR/B1N2nqb]
Solution
R0150 - Valeriu Petrovici
3+3. Retract 3 white moves for a ser-s#3 (pacific retractor)
[kB2q3/b7/3N4/8/8/8/8/7K]
R0151 - Valeriu Petrovici
4+4. Retract 3 white moves for a ser-s#3 (pacific retractor)
[6Nk/5P2/5P2/8/8/p7/rp6/1K6]
R0152 - Günter Weeth, Klaus Wenda
15+1. -4 & r#1 (Anticirce Calvet, Proca retractor)
[4k3/1PP5/3R3P/4P2P/4KBP1/2R5/1P2NP2/2N2B2]
P0244 - James Soliman
15+14. Proof game in 13.0 moves
[rnBq1rnk/ppp1pRbp/2Q4p/3p4/P1P3P1/3P4/1P2PP1P/1N2K1NR]
P0245 - James Soliman
8+14. Proof game in 15.0 moved (4bN)
[1nbqkbn1/1pppp2p/8/QR6/5P2/N5K1/r1P5/1nB3nR]
P0246 - Kostas Prentos, James Soliman
15+13. Proof game in 17.5 moves
[4k3/ppp4p/4pqn1/r1pn4/3r2b1/2P5/P1PPPPPP/R1BQKBNR]
P0247 - James Soliman
12+12. Proof game in 18.5 moves
[1n1qkB2/1pp2pp1/1pp2pp1/8/8/1PP2PP1/1PPQKPP1/1n3B2]
P0248 - Jorge Lois, Roberto Osorio
11+16. Proof game in 23.0 moves
[rn1q2nr/1pp3pb/1pp1p1k1/5p2/8/6p1/1PNP1PPb/R2QKBNR]
P0249 - Silvio Baier
13+16. Proof game in 27.5 moves
[1n6/1pp3p1/k1p1pp2/1q1bb3/3r2r1/1p2n1p1/1PP1PPP1/RNBQKBNR]