MESON Chess Problem Database

Problem Display
PID: 11479 (2B5/1pQ5/8/4R3/5k2/2P5/8/4Kn2 w - - 0 1)

Dilke, OAW

Chess, 1939

2B5/1pQ5/8/4R3/5k2/2P5/8/4Kn2

#2

5 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qc4+?
      • 1...Kf3
        • 2.Qg4#
      • 1...Kxe5
        • 2.Qd4#
      • 1...Kg3!
    • 1.Qf7+?
      • 1...Kg3
        • 2.Qf2#
      • 1...Kxe5!
  • Keys
    • 1.Qb6!
      • 1...Kf3
        • 2.Qf2#
      • 1...Kg3
        • 2.Qf2#
      • 1...Kxe5
        • 2.Qd4#
      • 1...Sd2
        • 2.Qe3#
      • 1...Sh2
        • 2.Qe3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sg3
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAB1(D)
        • K(b);S_FLIGHT,XR(C)::QAB1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAB1(D)
      • Refutation
        • K(b);S_FLIGHT,XR(C)
  • Actual
    • Q(D);
    • Vars
      • K(b);P-FLIGHT::QAR1(D)
      • K(b);S_FLIGHT::QAB1(D)
      • K(b);S_FLIGHT,XR(C)::QAB1(D)
      • S(a);N_GUARD::QAB1(D)
      • S(a);N_GUARD::QAB1(D),XS(a)
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