MESON Chess Problem Database

Problem Display
PID: 21485 (3K4/6n1/4kN2/7B/5Q2/3P4/8/8 w - - 0 1)

Brouwer, HH

Good Companions (April), 1919

3K4/6n1/4kN2/7B/5Q2/3P4/8/8

#2

5 + 2

3132 The Good Companion Two-Mover 1922
3295 Einfuhrung in die Welt des Schachproblem 1984
56 The Problemist 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qe4+?
      • 1...Kd6
        • 2.Qd5#
      • 1...Kxf6!
    • 1.d4?
      • threat
        • 2.Qe5#
        • 2.d5#
      • 1...Sf5
        • 2.Qe5#
      • 1...Sxh5!
  • Keys
    • 1.Se8!
      • threat
        • 2.Sc7#
        • 2.Bf7#
        • 2.Qe4#
      • 1...Kd5
        • 2.Qd6#
      • 1...Sxh5
        • 2.Sc7#
      • 1...Sxe8
        • 2.Bf7#
      • 1...Sf5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT,XS(D)
    • Try
      • P(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);::QAR1(B)
      • Refutation
        • S(b);XB(C)
  • Actual
    • S(D);
    • Threat
      • DUALS(3)
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
      • S(b);XB(C)::S(D)
      • S(b);XS(D)::B(C)
      • S(b);::QAR2(B)
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