MESON Chess Problem Database

Problem Display
PID: 165139 (Q7/1KR5/4p3/2P1k3/1N5P/3B4/5P2/8 w - - 0 1)

Sutara, Josef

Die Schwalbe, 1970

Q7/1KR5/4p3/2P1k3/1N5P/3B4/5P2/8

#2

8 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qa1#
    • 1...Kf6
      • 2.Qh8#
  • Tries
    • 1.Ka6?
      • 1...Kf4
        • 2.Qe4#
      • 1...Kf6
        • 2.Qh8#
      • 1...Kd4!
    • 1.Kc6?
      • 1...Kd4
        • 2.Qa1#
      • 1...Kf6
        • 2.Qh8#
      • 1...Kf4!
    • 1.Ka7?
      • 1...Kf4
        • 2.Qe4#
      • 1...Kf6
        • 2.Qh8#
      • 1...Kd4!
    • 1.Kb8?
      • 1...Kd4
        • 2.Qa1#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kf6!
    • 1.Kc8?
      • 1...Kd4
        • 2.Qa1#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kf6!
    • 1.Rd7?
      • 1...Kf6
        • 2.Qh8#
      • 1...Kf4!
    • 1.Qg8?
      • 1...Kf4
        • 2.Qg3#
      • 1...Kf6
        • 2.Qg5#
        • 2.Qg7#
        • 2.Qh8#
      • 1...Kd4!
  • Keys
    • 1.Kb6!
      • 1...Kd4
        • 2.Qa1#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kf6
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB(H)
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(H)
        • K(a);S_FLIGHT::QAB(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(F);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(H)
        • K(a);S_FLIGHT::QAB(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(H)
        • K(a);S_FLIGHT::QAR1(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(F);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(H)
        • K(a);S_FLIGHT::QAR1(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(G);
      • Vars
        • K(a);S_FLIGHT::QAB(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(a);S_FLIGHT::QAB1(H)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(F);P-FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAB(H)
      • K(a);S_FLIGHT::QAR1(H)
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