MESON Chess Problem Database

Problem Display
PID: 77397 (2K5/8/2k1p3/pp1pP3/2pB4/2pN4/2Q5/8 w - - 0 1)

Davey, David Murray

The Tablet, 1951

(First published on Sat May 26 1951)

2K5/8/2k1p3/pp1pP3/2pB4/2pN4/2Q5/8

#2

5 + 7

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...cxd3
      • 2.Qxc3#
    • 1...a4
      • 2.Sb4#
    • 1...b4
      • 2.Qa4#
  • Tries
    • 1.Sc1?
      • 1...b4
        • 2.Qa4#
      • 1...a4!
    • 1.Se1?
      • 1...b4
        • 2.Qa4#
      • 1...a4!
    • 1.Sf2?
      • 1...b4
        • 2.Qa4#
      • 1...a4!
    • 1.Sf4?
      • 1...b4
        • 2.Qa4#
      • 1...a4!
    • 1.Bg1?
      • 1...cxd3
        • 2.Qxc3#
      • 1...b4
        • 2.Qa4#
      • 1...a4
        • 2.Sb4#
      • 1...d4!
    • 1.Bf2?
      • 1...cxd3
        • 2.Qxc3#
      • 1...b4
        • 2.Qa4#
      • 1...a4
        • 2.Sb4#
      • 1...d4!
    • 1.Be3?
      • 1...cxd3
        • 2.Qxc3#
      • 1...b4
        • 2.Qa4#
      • 1...a4
        • 2.Sb4#
      • 1...d4!
    • 1.Qxc3?
      • 1...a4
        • 2.Sb4#
      • 1...b4!
  • Keys
    • 1.Ba7!
      • 1...cxd3
        • 2.Qxc3#
      • 1...b4
        • 2.Qa4#
      • 1...d4
        • 2.Qg2#
      • 1...a4
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB,P_SPINP(a),XS(B)::QAR(A),XP(a)
    • P(c);N_GUARD::S(B)
    • P(d);OGATEB::QAB(A)
  • Tries
    • Try
      • S(B);
      • Vars
        • P(d);OGATEB::QAB(A)
      • Refutation
        • P(c);
    • Try
      • S(B);
      • Vars
        • P(d);OGATEB::QAB(A)
      • Refutation
        • P(c);
    • Try
      • S(B);
      • Vars
        • P(d);OGATEB::QAB(A)
      • Refutation
        • P(c);
    • Try
      • S(B);
      • Vars
        • P(d);OGATEB::QAB(A)
      • Refutation
        • P(c);
    • Try
      • B(C);
      • Vars
        • P(b);OGATEB,P_SPINP(a),XS(B)::QAR(A),XP(a)
        • P(d);OGATEB::QAB(A)
        • P(c);N_GUARD::S(B)
      • Refutation
        • P(e);
    • Try
      • B(C);
      • Vars
        • P(b);OGATEB,P_SPINP(a),XS(B)::QAR(A),XP(a)
        • P(d);OGATEB::QAB(A)
        • P(c);N_GUARD::S(B)
      • Refutation
        • P(e);
    • Try
      • B(C);
      • Vars
        • P(b);OGATEB,P_SPINP(a),XS(B)::QAR(A),XP(a)
        • P(d);OGATEB::QAB(A)
        • P(c);N_GUARD::S(B)
      • Refutation
        • P(e);
    • Try
      • Q(A);P_PINP(b),XP(a)
      • Vars
        • P(c);N_GUARD::S(B)
      • Refutation
        • P(d);
  • Actual
    • B(C);
    • Vars
      • P(b);OGATEB,P_SPINP(a),XS(B)::QAR(A),XP(a)
      • P(d);OGATEB::QAB(A)
      • P(e);OGATEB::QAB(A)
      • P(c);N_GUARD::S(B)
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