MESON Chess Problem Database

Problem Display
PID: 137690 (8/3N4/8/2Q1P3/3pk1B1/1P5K/3P4/8 w - - 0 1)

Huck, Edward

The Field, 1934

(First published on Sat Mar 31 1934)

8/3N4/8/2Q1P3/3pk1B1/1P5K/3P4/8

#2

7 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Qc4#
  • Tries
    • 1.Kg3?
      • 1...d3
        • 2.Sf6#
        • 2.Qc4#
      • 1...Kd3!
    • 1.Kh4?
      • 1...Kf4
        • 2.Qxd4#
      • 1...d3
        • 2.Qc4#
      • 1...Kd3!
    • 1.Qc2+?
      • 1...Kf4
        • 2.Qf5#
      • 1...d3
        • 2.Qc4#
      • 1...Kd5!
    • 1.Qb5?
      • 1...d3
        • 2.Qc4#
      • 1...Kf4!
    • 1.e6?
      • threat
        • 2.Qf5#
      • 1...Kf4
        • 2.Qe5#
        • 2.Qf5#
      • 1...d3
        • 2.Qc4#
        • 2.Qe5#
      • 1...Kd3!
  • Keys
    • 1.Qc1!
      • 1...Kd3
        • 2.Sc5#
      • 1...Kf4
        • 2.d3#
      • 1...Kd5
        • 2.Qh1#
      • 1...d3
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATEB::QAR2(E)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(E),XP(a)
        • P(a);OGATEB::QAR2(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAR1(E)
        • P(a);OGATEB,P_SPINP(a)::QAR2(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • P(a);OGATEB::QAR2(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(F);
      • Threat
        • QAB1(E)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(b);S_FLIGHT::S(G)
      • K(b);P-FLIGHT::QAB(E)+P(A)
      • K(b);S_FLIGHT::QAB(E)
      • P(a);OGATEB::QAR2(E)
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