MESON Chess Problem Database

Problem Display
PID: 53874 (5R1B/8/3K4/7b/8/4N3/3kp3/2N3Q1 w - - 0 1)

Servais, Albert

Het Belgisch Schaakbord (L'Echiquier Belge), 1951

5R1B/8/3K4/7b/8/4N3/3kp3/2N3Q1

#2

6 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Rc8?
      • threat
        • 2.Bc3#
        • 2.Rc2#
      • 1...e1Q
        • 2.Rc2#
      • 1...e1B
        • 2.Rc2#
      • 1...e1R
        • 2.Rc2#
      • 1...Bg6
        • 2.Bc3#
      • 1...e1S!
    • 1.Qe1+?
      • 1...Kxe1
        • 2.Bc3#
      • 1...Kxe3!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qc3#
      • 1...Kxc1
        • 2.Qb2#
      • 1...Ke1
        • 2.Qc3#
      • 1...Kxe3
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::R1(E)
        • B(c);::B(F)
      • Refutation
        • P(b);
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT,XQ(B)::B(F)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT,XS(C)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • K(a);S_FLIGHT,XS(A)::QAB1(B)
      • K(a);S_FLIGHT::QAB(B)
      • K(a);S_FLIGHT,XS(C)::QAB1(B)
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