MESON Chess Problem Database

Problem Display
PID: 89098 (8/5Q2/8/8/3B4/2Pk4/3P4/R3K3 w Q - 0 1)

Rice, John Michael

The Problemist, 1991

8/5Q2/8/8/3B4/2Pk4/3P4/R3K3

#2

6 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rb1?
      • 1...Kc2
        • 2.Qg6#
        • 2.Qf5#
        • 2.Qh7#
      • 1...Ke4!
    • 1.Rd1?
      • 1...Ke4
        • 2.d3#
      • 1...Kc2!
    • 1.Ra5?
      • 1...Ke4
        • 2.Qf5#
      • 1...Kc2!
    • 1.Qb7?
      • 1...Kc2
        • 2.Qb1#
      • 1...Kc4!
  • Keys
    • 1.0-0-0!
      • 1...Ke2
        • 2.Qf1#
      • 1...Ke4
        • 2.d3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);OGATE,S_FLIGHT::P(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(B);0-0-0
    • Vars
      • K(a);S_FLIGHT::QAB1(F)
      • K(a);OGATE,S_FLIGHT::P(C)
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