MESON Chess Problem Database

Problem Display
PID: 46974 (6q1/8/8/8/8/8/7p/R1Q1K2k w Q - 0 1)

Suwe, Hanspeter

The Problemist, 1993

6q1/8/8/8/8/8/7p/R1Q1K2k

#2

3 + 3

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Qh7
      • 2.Kf2#
    • 1...Qa8
      • 2.Kf2#
    • 1...Qb8
      • 2.Kf2#
    • 1...Qh8
      • 2.Kf2#
  • Tries
    • 1.Kd2+?
      • 1...Qg1
        • 2.Qc6#
      • 1...Kg2!
    • 1.Ke2+?
      • 1...Qg1
        • 2.Qc6#
      • 1...Kg2!
  • Keys
    • 1.Qc6+!
      • 1...Kg1
        • 2.Ke2#
      • 1...Qd5
        • 2.Kf2#
      • 1...Qg2
        • 2.0-0-0#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • Q(c);N_GUARD::QAR(B)+K(C)
  • Tries
    • Try
      • K(C);CHECK,S_FLIGHT
      • Vars
        • Q(c);P_SPINQ(c)::QAB(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);CHECK,P-FLIGHT
      • Vars
        • Q(c);P_SPINQ(c)::QAB(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);CHECK
    • Vars
      • K(a);P-FLIGHT::R(A)+K(C)
      • Q(c);P_SPINQ(c)::R(A)+K(C)
      • Q(c);P_SPINQ(c)::0-0-0
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