MESON Chess Problem Database

Problem Display
PID: 243286 (2nK4/8/Bpk5/1p3N2/2p5/1N6/5Q2/7b w - - 0 1)

Andersen, Idon Bruno Hovedskou

Skakbladet, 1951

2nK4/8/Bpk5/1p3N2/2p5/1N6/5Q2/7b

#2

5 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bg2
      • 2.Qxg2#
    • 1...Bf3
      • 2.Qxf3#
    • 1...Sd6
      • 2.Se7#
  • Tries
    • 1.Se7+?
      • 1...Kd6
        • 2.Qf6#
      • 1...Sxe7!
  • Keys
    • 1.Qe2!
      • 1...Kd5
        • 2.Bb7#
      • 1...cxb3
        • 2.Qxb5#
      • 1...Bg2
        • 2.Qxg2#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Be4
        • 2.Qxe4#
      • 1...Bd5
        • 2.Qe8#
      • 1...Sd6
        • 2.Se7#
      • 1...Sa7
        • 2.Qe6#
      • 1...Se7
        • 2.Qe6#
      • 1...c3
        • 2.Qxb5#
      • 1...b4
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::QAB(A),XB(a)
    • S(f);N_GUARD,SBLOCK::S(C)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(e);P-FLIGHT::QAR2(A)
      • Refutation
        • S(f);XS(C)
  • Actual
    • Q(A);
    • Vars
      • K(e);S_FLIGHT::B(D)
      • P(b);OGATE,XS(B)::QAB1(A),XP(c)
      • B(a);N_GUARD::QAB(A),XB(a)
      • B(a);SBLOCK::QAB(A)
      • S(f);N_GUARD,SBLOCK::S(C)
      • S(f);N_GUARD::QAR2(A)
      • P(b);OGATE::QAB1(A),XP(c)
      • P(c);N_GUARD::QAR2(A),XP(b)
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