MESON Chess Problem Database

Problem Display
PID: 267283 (1Q5b/4p3/2p1P3/1pRN4/1P1kq1nR/3rpbr1/1KPN2p1/6B1 w - - 0 1)

Ceriani, Luigi

L'Italia Scacchistica, 1928

1Q5b/4p3/2p1P3/1pRN4/1P1kq1nR/3rpbr1/1KPN2p1/6B1

#2

10 + 12

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rb3+
      • 2.Sxb3#
  • Keys
    • 1.Sxe3!
      • threat
        • 2.Sf5#
      • 1...Rb3+
        • 2.Sxb3#
      • 1...Qxe3
        • 2.Qxh8#
      • 1...Rxe3
        • 2.Sb3#
      • 1...Sxe3
        • 2.Qd8#
      • 1...Qf5
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(b);CHECK,N_GUARD::S(D),XR(b)
  • Actual
    • S(H);XP(c)
    • Threat
      • B(A)+S(H),DCHECK
    • Vars
      • R(b);CHECK,N_GUARD::S(D),XR(b)
      • Q(g);N_GUARD,P_SPINQ(g),P_SPINS(h),XS(H)::QAB(J),XB(l)
      • R(b);N_GUARD,P_SPINR(b),XS(H)::S(D)
      • S(h);P_SPINQ(g),P_SPINS(h),XS(H)::QAR(J)
      • Q(g);P_SPINS(h)::B(A)+S(H),DCHECK,XQ(g)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).