MESON Chess Problem Database

Problem Display
PID: 182436 (8/8/1pPQ4/4N3/1n1Nk1Kb/3p4/3P4/1b6 w - - 0 1)

Rice, John Michael

3rd Prize, Problem Observer, 2014

8/8/1pPQ4/4N3/1n1Nk1Kb/3p4/3P4/1b6

#2

6 + 6

136 Problem Observer 2015

SOLUTION

  • SOUND
  • Tries
    • 1.Sb5?
      • threat
        • 2.Sc3#
        • 2.Qd4#
      • 1...Sxc6
        • 2.Sc3#
      • 1...Bf2
        • 2.Sc3#
      • 1...Sa2
        • 2.Qd4#
      • 1...Sc2
        • 2.Sc3#
      • 1...Sd5!
    • 1.Sef3?
      • threat
        • 2.Qe5#
        • 2.Qe6#
      • 1...Sxc6
        • 2.Qxc6#
      • 1...Ba2
        • 2.Qe5#
      • 1...Bg3
        • 2.Sg5#
      • 1...Bf6!
    • 1.Sd7?
      • threat
        • 2.Qe5#
      • 1...Bg3
        • 2.Sf6#
      • 1...Bf6
        • 2.Sxf6#
      • 1...Sxc6!
  • Keys
    • 1.Sdf3!
      • threat
        • 2.Qd4#
      • 1...Sxc6
        • 2.Qxc6#
      • 1...Bf2
        • 2.Sg5#
      • 1...Sc2
        • 2.Qxd3#
      • 1...Sd5
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);XP(E)::S(B)
        • B(e);::S(B)
        • S(c);::QAR1(F)
        • S(c);::S(B)
      • Refutation
        • S(c);
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);OGATE,XP(E)::QAB(F),XS(c)
        • B(a);::QAR1(F)
        • B(e);N_GUARD::S(D)
      • Refutation
        • B(e);
    • Try
      • S(D);
      • Threat
        • QAR1(F)
      • Vars
        • B(e);N_GUARD::S(D)
        • B(e);N_GUARD::S(D),XB(e)
      • Refutation
        • S(c);XP(E)
  • Actual
    • S(B);
    • Threat
      • QAR1(F)
    • Vars
      • S(c);OGATE,XP(E)::QAB(F),XS(c)
      • B(e);N_GUARD::S(B)
      • S(c);N_GUARD,S_CUTB(a)::QAB1(F),XP(b)
      • S(c);SBLOCK::QAB(F)
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