MESON Chess Problem Database

Problem Display
PID: 77026 (1B6/8/B7/8/3k4/3P1p2/Q7/K7 w - - 0 1)

Burge, Dom B

The Tablet, 1948

(First published on Sat Sep 11 1948)

1B6/8/B7/8/3k4/3P1p2/Q7/K7

#2

5 + 2

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Qb2#
  • Tries
    • 1.Bf4?
      • threat
        • 2.Qc4#
      • 1...Kc3
        • 2.Qc4#
        • 2.Qb2#
      • 1...Kc5!
    • 1.Ba7+?
      • 1...Kc3
        • 2.Qb2#
      • 1...Ke5!
    • 1.Qe6?
      • threat
        • 2.Qe5#
      • 1...Kc5
        • 2.Qd6#
      • 1...Kc3!
    • 1.Qf2+?
      • 1...Kc3
        • 2.Qb2#
      • 1...Kd5!
  • Keys
    • 1.Qh2!
      • threat
        • 2.Qe5#
      • 1...Kc3
        • 2.Qb2#
      • 1...Ke3
        • 2.Ba7#
      • 1...Kc5
        • 2.Qd6#
      • 1...Kd5
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(B)
  • Tries
    • Try
      • B(E);
      • Threat
        • QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(E);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • K(b);S_FLIGHT::QAB1(B)
      • K(b);S_FLIGHT::B(E)
      • K(b);P-FLIGHT::QAR1(B)
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