MESON Chess Problem Database

Problem Display
PID: 28615 (8/8/4k3/N1B4K/8/3R4/2Q5/8 w - - 0 1)

Stubbs, Charles Francis

Rochester Herald, 1904

8/8/4k3/N1B4K/8/3R4/2Q5/8

#2

5 + 1

3248 Miniatures canadiennes 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Kg5?
      • 1...Ke5
        • 2.Qe2#
      • 1...Kf7!
    • 1.Re3+?
      • 1...Kd5
        • 2.Qf5#
        • 2.Qc4#
      • 1...Kf6
        • 2.Qg6#
      • 1...Kf7
        • 2.Qg6#
      • 1...Kd7!
    • 1.Rf3?
      • threat
        • 2.Qf5#
      • 1...Kd5
        • 2.Qf5#
      • 1...Ke5
        • 2.Qf5#
      • 1...Kd7!
  • Keys
    • 1.Rd5!
      • threat
        • 2.Qf5#
      • 1...Kxd5
        • 2.Qf5#
      • 1...Kf6
        • 2.Qg6#
      • 1...Kf7
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(B);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);S_FLIGHT,XR(B)::QAR2(A)
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::QAB1(A)
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