MESON Chess Problem Database

Problem Display
PID: 268308 (3brr2/2P2p2/8/8/p1P3Q1/nbpkN3/B7/2B1RKn1 w - - 0 1)

Ceriani, Luigi

L'Italia Scacchistica, 1915

3brr2/2P2p2/8/8/p1P3Q1/nbpkN3/B7/2B1RKn1

#2

8 + 10

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Rxd1#
    • 1...Bxa2
      • 2.Rd1#
    • 1...Bxc4
      • 2.Rd1#
    • 1...Sc2
      • 2.Rd1#
  • Tries
    • 1.Qf5+?
      • 1...Kd4
        • 2.Qd5#
      • 1...Re4!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Sb4#
      • 1...Rxe1+
        • 2.Sxe1#
      • 1...Kxc2
        • 2.Qd1#
      • 1...Bxc2
        • 2.Qd7#
      • 1...Sxc2
        • 2.Rd1#
      • 1...Re4
        • 2.Qxe4#
      • 1...Be7
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • B(c);N_GUARD::R(B),XB(c)
    • B(c);N_GUARD,XB(D)::R(B)
    • B(c);N_GUARD,XP(F)::R(B)
    • S(b);S_CUTB(c)::R(B)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • K(e);P-FLIGHT::QAR1(G)
      • Refutation
        • R(i);P_SPINR(i)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • R(i);CHECK,XR(B)::S(E),XR(i)
      • K(e);N_GUARD,S_FLIGHT,XS(E)::QAB1(G)
      • B(c);SBLOCK,XS(E)::QAR(G)
      • S(b);SBLOCK,XS(E)::R(B)
      • R(i);N_GUARD::QAB1(G),XR(i)
      • B(h);S_CUTR(i)::QAB1(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).