MESON Chess Problem Database

Problem Display
PID: 75840 (8/8/2QB4/4p3/K2k4/6P1/1N6/8 w - - 0 1)

Owen, Rev Wilfred T

The Tablet, 1919

(First published on Sat Dec 13 1919)

8/8/2QB4/4p3/K2k4/6P1/1N6/8

#2

5 + 2

15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Qc5#
  • Tries
    • 1.Ka3?
      • 1...e4
        • 2.Qc5#
      • 1...Ke3!
    • 1.Kb3?
      • threat
        • 2.Bc5#
      • 1...e4
        • 2.Qc5#
      • 1...Ke3!
    • 1.Kb4?
      • threat
        • 2.Bc5#
      • 1...e4
        • 2.Qc5#
      • 1...Ke3!
    • 1.Ka5?
      • 1...e4
        • 2.Qc5#
      • 1...Ke3!
    • 1.Kb5?
      • 1...e4
        • 2.Qc5#
      • 1...Ke3!
    • 1.Ba3?
      • 1...e4
        • 2.Qc5#
      • 1...Ke3!
    • 1.Bb4?
      • 1...e4
        • 2.Qc5#
      • 1...Ke3!
    • 1.Be7?
      • 1...e4
        • 2.Qc5#
      • 1...Ke3!
    • 1.Bf8?
      • 1...e4
        • 2.Qc5#
      • 1...Ke3!
    • 1.g4?
      • 1...e4
        • 2.Qc5#
      • 1...Ke3!
  • Keys
    • 1.Qg2!
      • 1...Kc3
        • 2.Bxe5#
      • 1...Ke3
        • 2.Bc5#
      • 1...e4
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAB1(D)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Threat
        • B(E)
      • Vars
        • P(b);SBLOCK::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Threat
        • B(E)
      • Vars
        • P(b);SBLOCK::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • P(b);SBLOCK::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • P(b);SBLOCK::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • P(b);SBLOCK::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • P(b);SBLOCK::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(B);
      • Vars
        • P(b);SBLOCK::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(a);S_FLIGHT::B(E),XP(b)
      • K(a);S_FLIGHT::B(E)
      • P(b);SBLOCK::QAR2(D)
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