MESON Chess Problem Database

Problem Display
PID: 228158 (8/8/8/8/8/6k1/6N1/3Q2K1 w - - 0 1)

Lokker, Miklosh S

Deutsche Schachzeitung, 1968

8/8/8/8/8/6k1/6N1/3Q2K1

#2

3 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kh3
      • 2.Qf3#
  • Tries
    • 1.Kh1?
      • 1...Kh3
        • 2.Qf3#
      • 1...Kf2!
    • 1.Se3?
      • threat
        • 2.Qg4#
      • 1...Kh3
        • 2.Qg4#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kf4!
    • 1.Qa4?
      • 1...Kh3
        • 2.Qh4#
      • 1...Kf3!
    • 1.Qf1?
      • 1...Kh3
        • 2.Qf3#
      • 1...Kg4!
    • 1.Qd4?
      • 1...Kh3
        • 2.Qh4#
      • 1...Kf3!
    • 1.Qd5?
      • 1...Kh3
        • 2.Qf3#
      • 1...Kg4!
  • Keys
    • 1.Qe2!
      • 1...Kh3
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR2(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::QAR2(A)
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