MESON Chess Problem Database

Problem Display
PID: 148080 (8/8/8/8/2K5/8/k3B3/2Q5 w - - 0 1)

Orlik, Peter

Deutsche Schachzeitung, 1978

8/8/8/8/2K5/8/k3B3/2Q5

#2

3 + 1

133 The Problemist Supplement 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Qa3+?
      • 1...Kb1
        • 2.Bd3#
      • 1...Kxa3!
    • 1.Qb1+?
      • 1...Ka3
        • 2.Qa1#
        • 2.Qb3#
      • 1...Kxb1!
    • 1.Qd1?
      • 1...Ka3
        • 2.Qb3#
        • 2.Qa1#
      • 1...Kb2!
    • 1.Qe1?
      • 1...Ka3
        • 2.Qa1#
      • 1...Kb2!
    • 1.Qf1?
      • 1...Ka3
        • 2.Qa1#
      • 1...Kb2!
    • 1.Qg1?
      • 1...Ka3
        • 2.Qa1#
      • 1...Kb2!
    • 1.Qh1?
      • 1...Ka3
        • 2.Qa1#
      • 1...Kb2!
    • 1.Qc2+?
      • 1...Ka3
        • 2.Qb3#
      • 1...Ka1!
  • Keys
    • 1.Kb5!
      • 1...Kb3
        • 2.Bc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • K(a);S_FLIGHT::B(B)
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