MESON Chess Problem Database

Problem Display
PID: 184452 (n7/2p5/1pK5/1P6/1p1Q4/pp1P4/1P6/kBR5 w - - 0 1)

Ernst, Erich

Gemeindemitteilungsblatt von Rheinmunster, 2000

(First published on Fri Nov 17 2000)

n7/2p5/1pK5/1P6/1p1Q4/pp1P4/1P6/kBR5

#2

7 + 7

15391 Problemschach-Jahrbuch (2000) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...a2
      • 2.Bc2#
  • Tries
    • 1.Rd1?
      • 1...a2
        • 2.Bc2#
      • 1...axb2!
    • 1.Re1?
      • 1...a2
        • 2.Bc2#
      • 1...axb2!
    • 1.Rf1?
      • 1...a2
        • 2.Bc2#
      • 1...axb2!
    • 1.Rg1?
      • 1...a2
        • 2.Bc2#
      • 1...axb2!
    • 1.Rh1?
      • 1...a2
        • 2.Bc2#
      • 1...axb2!
    • 1.Qe5?
      • 1...a2
        • 2.Bc2#
      • 1...axb2!
    • 1.Qf6?
      • 1...a2
        • 2.Bc2#
      • 1...axb2!
    • 1.Qg7?
      • 1...a2
        • 2.Bc2#
      • 1...axb2!
    • 1.Qxb4?
      • threat
        • 2.Qxa3#
      • 1...Kxb2
        • 2.Qc3#
      • 1...axb2
        • 2.Qa3#
        • 2.Qa4#
      • 1...a2!
  • Keys
    • 1.Qh8!
      • 1...axb2
        • 2.Qxa8#
      • 1...a2
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::R(B)+B(A)
  • Tries
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)+B(A)
      • Refutation
        • P(b);P_SPINP(b),XP(C)
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)+B(A)
      • Refutation
        • P(b);P_SPINP(b),XP(C)
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)+B(A)
      • Refutation
        • P(b);P_SPINP(b),XP(C)
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)+B(A)
      • Refutation
        • P(b);P_SPINP(b),XP(C)
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)+B(A)
      • Refutation
        • P(b);P_SPINP(b),XP(C)
    • Try
      • Q(E);
      • Vars
        • P(b);SBLOCK::R(B)+B(A)
      • Refutation
        • P(b);P_SPINP(b),XP(C)
    • Try
      • Q(E);
      • Vars
        • P(b);SBLOCK::R(B)+B(A)
      • Refutation
        • P(b);P_SPINP(b),XP(C)
    • Try
      • Q(E);
      • Vars
        • P(b);SBLOCK::R(B)+B(A)
      • Refutation
        • P(b);P_SPINP(b),XP(C)
    • Try
      • Q(E);XP(d)
      • Threat
        • QAR2(E),XP(b)
      • Vars
        • K(a);OGATEB,P_SPINP(c),S_FLIGHT,XP(C)::QAB1(E)
      • Refutation
        • P(b);
  • Actual
    • Q(E);
    • Vars
      • P(b);OGATEB,P_SPINP(b),SBLOCK,XP(C)::QAB(E),XS(g)
      • P(b);SBLOCK::R(B)+B(A)
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