MESON Chess Problem Database

Problem Display
PID: 48284 (Q1B4N/7p/1P1P3p/4kP1p/1K5P/8/2P2P2/4N3 w - - 0 1)

Howard, Kenneth Samuel

The Literary Digest, 1904

Q1B4N/7p/1P1P3p/4kP1p/1K5P/8/2P2P2/4N3

#2

11 + 4

15 British Chess Magazine 1910
5089 The Enjoyment of Chess Problems 1943
81 Chess 1950

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Sf3#
    • 1...Kf6
      • 2.Qa1#
  • Tries
    • 1.Kc5?
      • 1...Kf6
        • 2.Qa1#
      • 1...Kf4!
    • 1.Sf7+?
      • 1...Kd4
        • 2.Sf3#
        • 2.c3#
      • 1...Kf4
        • 2.Qf3#
      • 1...Kf6!
    • 1.Qe4+?
      • 1...Kxd6
        • 2.Sf7#
        • 2.Qe6#
      • 1...Kf6
        • 2.Qd4#
        • 2.Qe7#
      • 1...Kxe4!
    • 1.Qd5+?
      • 1...Kf4
        • 2.Qd4#
      • 1...Kf6
        • 2.Qd4#
      • 1...Kxd5!
    • 1.Qc6?
      • 1...Kd4
        • 2.Sf3#
      • 1...Kf6
        • 2.Qc3#
      • 1...Kf4!
    • 1.Qb7?
      • 1...Kd4
        • 2.Sf3#
      • 1...Kxd6
        • 2.Sf7#
      • 1...Kf6
        • 2.Qe7#
      • 1...Kf4!
  • Keys
    • 1.f6!
      • 1...Kd4
        • 2.Sf3#
      • 1...Kf4
        • 2.Sd3#
      • 1...Kxd6
        • 2.Sf7#
      • 1...Kxf6
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(A)
    • K(a);S_FLIGHT::QAB(I)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(K);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(I);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(I)
    • Try
      • Q(I);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
        • K(a);S_FLIGHT::QAB(I)
      • Refutation
        • K(a);P-FLIGHT,XQ(I)
    • Try
      • Q(I);
      • Vars
        • K(a);S_FLIGHT::S(A)
        • K(a);S_FLIGHT::QAB(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(I);
      • Vars
        • K(a);S_FLIGHT::S(A)
        • K(a);S_FLIGHT,XP(H)::S(K)
        • K(a);S_FLIGHT::QAB1(I)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(F);
    • Vars
      • K(a);S_FLIGHT::S(A)
      • K(a);S_FLIGHT,XP(H)::S(K)
      • K(a);S_FLIGHT,XP(F)::QAB(I)
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