MESON Chess Problem Database

Problem Display
PID: 8013 (8/8/8/1pp5/p1P5/pk2P3/7R/2Q1K3 w - - 0 1)

Rice, John Michael

Chess Problems for Solving, 1995

8/8/8/1pp5/p1P5/pk2P3/7R/2Q1K3

#2

5 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...b4
      • 2.Qc2#
  • Tries
    • 1.Rc2?
      • threat
        • 2.Qb1#
      • 1...a2
        • 2.Qb2#
      • 1...Kb4!
  • Keys
    • 1.Kd2!
      • 1...Ka2
        • 2.Kc3#
      • 1...Kb4
        • 2.Qc3#
      • 1...bxc4
        • 2.Qb1#
      • 1...a2
        • 2.Qc3#
      • 1...b4
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(d);SBLOCK::QAB1(A)
  • Tries
    • Try
      • R(C);
      • Threat
        • QAR2(A)
      • Vars
        • P(a);N_GUARD::QAR1(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • K(B);S_FLIGHT
    • Vars
      • K(b);S_FLIGHT::R(C)+K(B)
      • K(b);P-FLIGHT::QAB1(A)
      • P(d);SBLOCK,XP(E)::QAR2(A)
      • P(a);SBLOCK::QAR1(A)
      • P(d);SBLOCK::QAB1(A)
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