MESON Chess Problem Database

Problem Display
PID: 151348 (5Q2/5N2/4p3/2pp4/3k1p2/p4P2/PP2K3/2B5 w - - 0 1)

Holt, Ethelbert

Pen & Pencil, 1888

(First published on Sat Feb 18 1888)

5Q2/5N2/4p3/2pp4/3k1p2/p4P2/PP2K3/2B5

#2

7 + 6

15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Be3+?
      • 1...Kc4
        • 2.Qxc5#
      • 1...fxe3!
    • 1.b4?
      • threat
        • 2.Qxc5#
      • 1...Kc3
        • 2.Qxc5#
      • 1...Kc4
        • 2.Qxc5#
      • 1...cxb4
        • 2.Qxb4#
      • 1...c4!
  • Keys
    • 1.Se5!
      • threat
        • 2.Qxf4#
      • 1...Kxe5
        • 2.Qxf4#
      • 1...axb2
        • 2.Bxb2#
      • 1...c4
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(G),XP(d)
      • Refutation
        • P(c);XB(A)
    • Try
      • P(C);
      • Threat
        • QAB1(G),XP(d)
      • Vars
        • K(b);S_FLIGHT::QAR2(G),XP(d)
        • K(b);P-FLIGHT::QAR1(G),XP(d)
        • P(d);OGATE,XP(C)::QAR2(G),XP(d)
      • Refutation
        • P(d);
  • Actual
    • S(F);
    • Threat
      • QAR2(G),XP(c)
    • Vars
      • K(b);S_FLIGHT,XS(F)::QAB1(G),XP(c)
      • P(a);OGATE,XP(C)::B(A),XP(a)
      • P(d);SBLOCK::S(F)
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