MESON Chess Problem Database

Problem Display
PID: 246109 (8/8/5p1B/5B1k/7P/8/8/1Q2K3 w - - 0 1)

Zinoviev, Nikolai

Smena (Moscow), 1994

8/8/5p1B/5B1k/7P/8/8/1Q2K3

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kf2?
      • 1...Kxh4
        • 2.Qh1#
      • 1...Kxh6!
    • 1.Qa2?
      • 1...Kxh4
        • 2.Qh2#
      • 1...Kxh6!
    • 1.Qc2?
      • 1...Kxh4
        • 2.Qh2#
      • 1...Kxh6!
    • 1.Qd3?
      • 1...Kxh4
        • 2.Qh3#
      • 1...Kxh6!
    • 1.Qd1+?
      • 1...Kxh4
        • 2.Qg4#
      • 1...Kxh6!
    • 1.Qb2?
      • 1...Kxh4
        • 2.Qh2#
      • 1...Kxh6!
    • 1.Qb3?
      • 1...Kxh4
        • 2.Qh3#
      • 1...Kxh6!
    • 1.Qb7?
      • 1...Kxh6
        • 2.Qh7#
      • 1...Kxh4!
  • Keys
    • 1.Qb8!
      • 1...Kxh4
        • 2.Qh2#
      • 1...Kxh6
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(C)::QAR(A)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
    • Try
      • Q(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(C)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
    • Try
      • Q(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(C)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
    • Try
      • Q(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(C)::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(C)::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
    • Try
      • Q(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(C)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
    • Try
      • Q(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(C)::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
    • Try
      • Q(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XB(E)::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
  • Actual
    • Q(A);
    • Vars
      • K(a);OGATEB,P-FLIGHT,XP(C)::QAR2(A)
      • K(a);OGATEB,P-FLIGHT,XB(E)::QAR2(A)
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