January 6th

Paul Răican (06-01-1957) Romanian composer and editor of French-speaking magazine Quartz.

Răican, Paul
Mat Plus, 2007 (27/781)
Special Prize

#7

Maximummer KoeKo PWC (Circé échange) b) wKd4-->b5  s#7

2 + 2

Show Solution

a) 1.dxe8=R [+bRd7] ! Z
1...Rg7 2.Ke5+ Rd7 3.Re7+ Kxe7 [+wRf6] 4.Rf8 Rd4 5.Kf6+ Kxf8 [+wRe7] 6.Re8 Rd8 7.Kg7#
b) 1.Kc6 ! Z
1...Re5 2.Kc7 Re8 3.dxe8=Q [+bRd7] Rg7 4.Qe5+ Rd7 5.Kc8 Rd4 6.Qb8 Rd8+ 7.Kxd8 [+bRc8] Ke7#