MESON Chess Problem Database

Problem Display
PID: 58221 (6Q1/4R3/4NR2/3k4/K7/8/8/8 w - - 0 1)

Battaglia, Emilio

Scacco!, 1997

6Q1/4R3/4NR2/3k4/K7/8/8/8

#2

5 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Sd4+?
      • 1...Kc5
        • 2.Sb3#
      • 1...Kxd4!
    • 1.Sf4+?
      • 1...Kc5
        • 2.Qd5#
      • 1...Kd4!
    • 1.Sc7+?
      • 1...Kc5
        • 2.Qd5#
      • 1...Kd4!
    • 1.Qd8+?
      • 1...Kc4
        • 2.Rc7#
        • 2.Qd4#
      • 1...Ke4
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sc7#
        • 2.Sg7#
        • 2.Sf8#
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...Kc6!
  • Keys
    • 1.Qg1!
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...Kc6
        • 2.Sf4#
        • 2.Qc5#
      • 1...Kd6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XS(B)
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);S_FLIGHT::QAR1(E)
      • K(a);P-FLIGHT::QAB1(E)
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