No. 120, July-August 2003
4301 - J-M. Chorein Phenix 120, Jul-Aug 2003
5+7. Mate in 6 moves (Monochromatic Chess)
[Rn2k2r/4p2p/1p2P3/1p6/6P1/4K3/P7/8]
Solution
4302 - A. Kisljak Phenix 120, Jul-Aug 2003
13+14. Release the position
[nb6/krpppp2/1p6/RPN3p1/Qp6/qRP3P1/1PrPPP2/1K3B1n]
4303 - Andrew Buchanan Phenix 120, Jul-Aug 2003
11+11. a) Last move? b) -wRf3 +bPf3. Is the position legal? (Dead Reckonig)
[8/8/8/8/5P2/PPPPPRP1/pppppPpB/brrbk1K1]
4304 - Andrew Buchanan Phenix 120, Jul-Aug 2003
15+14. Shortest proof game in 5.0 moves. Before the last move: Shortest proof game in 4.5 moves? (C+)
[rnbq1rk1/pppppp1p/6p1/8/8/3P4/PPPQPPPP/RN1K1BNR]
4305 (4044bis) - D. Innocenti Phenix 120, Jul-Aug 2003
(This problem was later found to be cooked)
9+16. Remove a black officer and put in same place a white officer of the same rank. Then Shortest proof game in 12,0 moves (Einstein chess)
[rnbqkbnr/pppppppp/8/8/8/P5P1/1PPPPP1P/7K]
4306 - Andrew Buchanan Phenix 120, Jul-Aug 2003
Typo error. The diagram is a copy of n°4214 Phénix 117. The problem is updated in Phénix 128.
4307 - Joost de Heer Phenix 120, Jul-Aug 2003
14+15. Shortest proof game in 18,5 moves? (C+)
[3q2nr/ppp2pp1/2p1pkp1/2b2b2/8/1P4n1/1PP1PPP1/RNBQKBNR]