MESON Chess Problem Database

Problem Display
PID: 129831 (8/p7/8/K4p2/2BP3p/5k1p/3Q3P/8 w - - 0 1)

Sezac, Bohumil

Ruch, 1947

8/p7/8/K4p2/2BP3p/5k1p/3Q3P/8

#2

5 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kg4
      • 2.Be2#
    • 1...f4
      • 2.Qe2#
  • Tries
    • 1.Ka6?
      • 1...Kg4
        • 2.Be2#
      • 1...f4
        • 2.Qe2#
      • 1...Ke4!
    • 1.Bd3?
      • 1...Kg4
        • 2.Be2#
      • 1...f4
        • 2.Qe2#
      • 1...a6!
    • 1.Bb5?
      • 1...Ke4
        • 2.Bc6#
      • 1...Kg4
        • 2.Be2#
      • 1...f4
        • 2.Qe2#
      • 1...a6!
  • Keys
    • 1.Ba6!
      • 1...Ke4
        • 2.Bb7#
      • 1...Kg4
        • 2.Be2#
      • 1...f4
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(C)
    • P(d);SBLOCK::QAB1(A)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(C)
        • P(d);SBLOCK::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::B(C)
        • P(d);SBLOCK::QAB1(A)
      • Refutation
        • P(e);
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::B(C)
        • P(d);SBLOCK::QAB1(A)
      • Refutation
        • P(e);
  • Actual
    • B(C);
    • Vars
      • K(a);S_FLIGHT::B(C)
      • P(d);SBLOCK::QAB1(A)
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