MESON Chess Problem Database

Problem Display
PID: 25832 (8/Ppk5/1N1p4/1Q1K4/8/8/8/8 w - - 0 1)

Singer, FH

The Problemist, 1986

8/Ppk5/1N1p4/1Q1K4/8/8/8/8

#2

4 + 3

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Kd8
      • 2.Qd7#
  • Tries
    • 1.Kc4?
      • 1...Kd8
        • 2.Qd7#
      • 1...d5+!
    • 1.Kd4?
      • 1...Kd8
        • 2.Qd7#
      • 1...d5!
    • 1.Ke4?
      • 1...Kd8
        • 2.Qd7#
      • 1...d5+!
    • 1.Ke6?
      • 1...Kd8
        • 2.Qd7#
      • 1...d5!
    • 1.Sa8+?
      • 1...Kc8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Qc6+?
      • 1...Kd8
        • 2.Qd7#
      • 1...bxc6+!
    • 1.a8S+?
      • 1...Kd8
        • 2.Qd7#
      • 1...Kb8!
    • 1.a8B?
      • 1...Kd8
        • 2.Qd7#
      • 1...Kb8!
  • Keys
    • 1.Qa4!
      • 1...Kxb6
        • 2.a8S#
      • 1...Kd8
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAR1(A)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(c);S_FLIGHT::QAR1(A)
      • Refutation
        • P(a);CHECK
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(c);S_FLIGHT::QAR1(A)
      • Refutation
        • P(a);
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(c);S_FLIGHT::QAR1(A)
      • Refutation
        • P(a);CHECK
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(c);S_FLIGHT::QAR1(A)
      • Refutation
        • P(a);
    • Try
      • S(C);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR2(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR1(A)
      • Refutation
        • P(b);CHECK,XQ(A)
    • Try
      • P(D);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • P(D);
      • Vars
        • K(c);S_FLIGHT::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(c);S_FLIGHT,XS(C)::P=S
      • K(c);S_FLIGHT::QAR1(A)
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