MESON Chess Problem Database

Problem Display
PID: 134015 (8/3p4/5p2/4kP1P/1P3p2/3Q1K2/8/8 w - - 0 1)

Amirov, Talip Khasanovich

The Field, 1964

(First published on Thu Mar 19 1964)

8/3p4/5p2/4kP1P/1P3p2/3Q1K2/8/8

#2

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...d6
      • 2.Qe4#
  • Tries
    • 1.Qd2?
      • 1...Kxf5
        • 2.Qd5#
      • 1...d5
        • 2.Qxf4#
      • 1...d6!
    • 1.Qc3+?
      • 1...Kd5
        • 2.Qc5#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kxf5!
    • 1.Qd4+?
      • 1...Kxf5
        • 2.Qd5#
      • 1...Kxd4!
    • 1.Qd6+?
      • 1...Kxf5
        • 2.Qd5#
      • 1...Kxd6!
    • 1.b5?
      • 1...d6
        • 2.Qe4#
      • 1...d5!
    • 1.h6?
      • 1...d6
        • 2.Qe4#
      • 1...d5!
  • Keys
    • 1.Qc4!
      • 1...Kxf5
        • 2.Qd5#
      • 1...Kd6
        • 2.Qc5#
      • 1...d5
        • 2.Qxf4#
      • 1...d6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(d);SBLOCK::QAR1(A)
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT,XP(D)::QAR2(A)
        • P(d);SBLOCK::QAB1(A),XP(a)
      • Refutation
        • P(d);
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT,XP(D)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(D)::QAR2(A)
      • Refutation
        • K(b);S_FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(D)::QAR2(A)
      • Refutation
        • K(b);S_FLIGHT,XQ(A)
    • Try
      • P(C);
      • Vars
        • P(d);SBLOCK::QAR1(A)
      • Refutation
        • P(d);
    • Try
      • P(E);
      • Vars
        • P(d);SBLOCK::QAR1(A)
      • Refutation
        • P(d);
  • Actual
    • Q(A);
    • Vars
      • K(b);P-FLIGHT,XP(D)::QAR2(A)
      • K(b);S_FLIGHT::QAB1(A)
      • P(d);SBLOCK::QAB1(A),XP(a)
      • P(d);SBLOCK::QAR1(A)
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