MESON Chess Problem Database

Problem Display
PID: 77082 (7Q/3K4/8/6R1/4kB2/4P3/8/8 w - - 0 1)

Davey, David Murray

The Tablet, 1948

(First published on Sat Oct 9 1948)

7Q/3K4/8/6R1/4kB2/4P3/8/8

#2

5 + 1

5454 Near Snap 2008

SOLUTION

  • SOUND
  • Tries
    • 1.Rg3?
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf5
        • 2.Qe5#
      • 1...Kd3!
    • 1.Rd5?
      • threat
        • 2.Qh1#
      • 1...Kxd5
        • 2.Qd4#
      • 1...Kf3!
    • 1.Qb2?
      • 1...Kf3
        • 2.Qg2#
      • 1...Kd3!
    • 1.Qh2?
      • 1...Kf3
        • 2.Qg2#
      • 1...Kd3!
  • Keys
    • 1.Rg2!
      • 1...Kd3
        • 2.Qd4#
      • 1...Kf3
        • 2.Qa8#
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf5
        • 2.Qe5#

Anticipated by 47738(1946)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(C);
      • Threat
        • QAB(E)
      • Vars
        • K(a);S_FLIGHT,XR(C)::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(C);
    • Vars
      • K(a);S_FLIGHT::QAR1(E)
      • K(a);S_FLIGHT::QAB(E)
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