MESON Chess Problem Database

Problem Display
PID: 176593 (8/8/8/8/3K4/8/2pkpQ2/1nrb4 w - - 0 1)

Buchwald, Julius

Schach-Echo, 1964

8/8/8/8/3K4/8/2pkpQ2/1nrb4

#2

2 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qf3?
      • 1...e1Q
        • 2.Qd3#
      • 1...e1S
        • 2.Qe3#
      • 1...e1B
        • 2.Qd3#
        • 2.Qe3#
      • 1...e1R
        • 2.Qd3#
      • 1...Sa3
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Ke1!
  • Keys
    • 1.Qg3!
      • 1...e1Q
        • 2.Qd3#
      • 1...e1S
        • 2.Qe3#
      • 1...e1B
        • 2.Qd3#
        • 2.Qe3#
      • 1...e1R
        • 2.Qd3#
      • 1...Sa3
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);N_PINP(f)
      • Vars
        • P(f);SBLOCK::QAR1(A)
        • P(f);::QAB1(A)
        • S(a);N_GUARD::QAB1(A)
        • S(a);N_GUARD::QAB1(A),XS(a)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • Q(A);N_PINP(f)
    • Vars
      • P(f);SBLOCK::QAR1(A)
      • P(f);::QAB1(A)
      • S(a);N_GUARD::QAB1(A)
      • S(a);N_GUARD::QAB1(A),XS(a)
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