MESON Chess Problem Database

Problem Display
PID: 228224 (3b2Nn/1pBP3N/3Pp3/1p2k3/6Q1/2nR4/4rPbK/8 w - - 0 1)

Brummelman, Derk Hendrikus (AKA Bruma, DH)

Il Due Mosse, 1956

3b2Nn/1pBP3N/3Pp3/1p2k3/6Q1/2nR4/4rPbK/8

#2

9 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Be7
      • 2.dxe7#
    • 1...Se4
      • 2.f4#
  • Tries
    • 1.Sh6?
      • threat
        • 2.Qd4#
      • 1...Be4
        • 2.Qg3#
      • 1...Se4
        • 2.f4#
      • 1...Re4!
  • Keys
    • 1.Se7!
      • threat
        • 2.Qd4#
      • 1...Bxe7
        • 2.dxe7#
      • 1...Re4
        • 2.Qg5#
      • 1...Be4
        • 2.Qg3#
      • 1...Se4
        • 2.f4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(h);OGATE::B(F)+P(E),XB(h)
    • S(c);SBLOCK::P(A)
  • Tries
    • Try
      • S(I);
      • Threat
        • QAB1(D)
      • Vars
        • B(b);P_PINP(A),SBLOCK::QAB(D)
        • S(c);SBLOCK::P(A)
      • Refutation
        • R(a);
  • Actual
    • S(I);
    • Threat
      • QAB1(D)
    • Vars
      • B(h);OGATE,XS(I)::B(F)+P(E),XB(h)
      • R(a);SBLOCK::QAR2(D)
      • B(b);P_PINP(A),SBLOCK::QAB(D)
      • S(c);SBLOCK::P(A)
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