MESON Chess Problem Database

Problem Display
PID: 52549 (Q2K4/8/1PRp2B1/3p1n2/2pk1P2/N7/1PP1n1P1/3N3R w - - 0 1)

Bonivento, Oscar

La genialita compositiva di Giorgio Guidelli, 2004

Q2K4/8/1PRp2B1/3p1n2/2pk1P2/N7/1PP1n1P1/3N3R

#2

12 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Sb5#
    • 1...Sg3
      • 2.Sb5#
    • 1...Sh4
      • 2.Sb5#
    • 1...Sh6
      • 2.Sb5#
    • 1...Se7
      • 2.Sb5#
    • 1...Sg7
      • 2.Sb5#
    • 1...c3
      • 2.Qa4#
  • Tries
    • 1.Bxf5?
      • threat
        • 2.Sb5#
      • 1...Sc3
        • 2.bxc3#
      • 1...Sxf4!
  • Keys
    • 1.Re1!
      • 1...Ke4
        • 2.Rxc4#
      • 1...Sxf4
        • 2.Sb5#
      • 1...Sc1
        • 2.Sb5#
      • 1...Sg1
        • 2.Sb5#
      • 1...Sc3
        • 2.bxc3#
      • 1...Seg3
        • 2.Sb5#
      • 1...Se3
        • 2.Sb5#
      • 1...Sfg3
        • 2.Sb5#
      • 1...Sh4
        • 2.Sb5#
      • 1...Sh6
        • 2.Sb5#
      • 1...Se7
        • 2.Sb5#
      • 1...Sg7
        • 2.Sb5#
      • 1...c3
        • 2.Qa4#

This is a version of 52548

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(e);::S(F)
    • P(b);OGATEB::QAR(K)
  • Tries
    • Try
      • B(J);XS(e)
      • Threat
        • S(F)
      • Vars
        • S(a);OGATE::P(C),XS(a)
      • Refutation
        • S(a);XP(G)
  • Actual
    • R(B);
    • Vars
      • K(c);P-FLIGHT,P_SPINS(a)::R(I),XP(b)
      • S(a);XP(G)::S(F)
      • S(a);::S(F)
      • S(a);OGATE::P(C),XS(a)
      • S(e);::S(F)
      • P(b);OGATEB::QAR(K)
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