MESON Chess Problem Database

Problem Display
PID: 185892 (2b5/5N2/1p3Rp1/4PP2/1Q1K1k2/1p1pnP2/2pn1R1P/2Br4 w - - 0 1)

Ceriani, Luigi

Dzien Polski, 1932

2b5/5N2/1p3Rp1/4PP2/1Q1K1k2/1p1pnP2/2pn1R1P/2Br4

#2

10 + 10

81 Chess 1957

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Bxe3#
    • 1...Sdf1
      • 2.Kc3#
    • 1...Sxf3+
      • 2.Kc3#
    • 1...Se4
      • 2.Bxe3#
    • 1...Sef1
      • 2.Kxd3#
    • 1...Sg2
      • 2.Kxd3#
    • 1...Sg4
      • 2.Kxd3#
    • 1...Sxf5+
      • 2.Kxd3#
  • Tries
    • 1.Kc3+?
      • 1...Sdc4
        • 2.Qxc4#
      • 1...Se4+
        • 2.Qxe4#
      • 1...Sec4!
    • 1.fxg6+?
      • 1...Sf5+
        • 2.Kxd3#
      • 1...Bf5!
  • Keys
    • 1.e6!
      • threat
        • 2.Qd6#
      • 1...Sxf3+
        • 2.Kc3#
      • 1...Sxf5+
        • 2.Kxd3#
      • 1...Sdc4
        • 2.fxg6#
      • 1...Se4
        • 2.Bxe3#
      • 1...Sec4
        • 2.fxg6#
      • 1...Sg4
        • 2.Kxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • S(c);OGATE,P_SPINS(f)::B(A),XS(f)
    • S(c);N_GUARD,P_SPINS(f)::QAR(E)+K(F)
    • S(c);CHECK,N_GUARD,P_SPINS(f),XP(D)::QAR(E)+K(F)
    • S(f);N_GUARD,P_SPINS(c)::QAR(E)+K(F),XP(e)
    • S(f);CHECK,N_GUARD,P_SPINS(c),XP(H)::QAR(E)+K(F),XP(e)
  • Tries
    • Try
      • K(F);CHECK,S_FLIGHT
      • Vars
        • S(c);N_GUARD,P_SPINS(f)::QAR(E),XS(c)
        • S(c);CHECK,N_GUARD,P_SPINS(f)::QAR1(E),XS(c)
      • Refutation
        • S(f);P_SPINS(c)
    • Try
      • P(H);CHECK,XP(i)
      • Vars
        • S(f);CHECK,P_SPINS(c)::QAR(E)+K(F),XP(e)
      • Refutation
        • B(j);P_SPINB(j)
  • Actual
    • P(G);
    • Threat
      • QAB(E)
    • Vars
      • S(c);CHECK,N_GUARD,P_SPINS(f),XP(D)::QAR(E)+K(F)
      • S(f);CHECK,N_GUARD,P_SPINS(c),XP(H)::QAR(E)+K(F),XP(e)
      • S(c);P_SPINS(f)::R(I)+P(H),XP(i)
      • S(c);OGATE,P_SPINS(f)::B(A),XS(f)
      • S(f);N_GUARD,P_SPINS(c)::R(I)+P(H),XP(i)
      • S(f);N_GUARD,P_SPINS(c)::QAR(E)+K(F),XP(e)
HTML5 logo

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).