MESON Chess Problem Database

Problem Display
PID: 68930 (8/3K4/2ppp3/3k4/R2P3Q/8/7p/B2R3b w - - 0 1)

Servais, Albert

Volksgazet, 1955

8/3K4/2ppp3/3k4/R2P3Q/8/7p/B2R3b

#2

6 + 6

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1957

SOLUTION

  • SOUND
  • Tries
    • 1.Ra5+?
      • 1...c5
        • 2.dxc5#
      • 1...Kc4!
    • 1.Qh3?
      • threat
        • 2.Qxe6#
      • 1...Ke4
        • 2.d5#
      • 1...e5!
  • Keys
    • 1.Qf2!
      • 1...Ke4
        • 2.d5#
      • 1...Bg2
        • 2.Qxg2#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Be4
        • 2.Qa2#
      • 1...c5
        • 2.dxc5#
      • 1...e5
        • 2.dxe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • P(d);OGATE,P_SPINP(d)::R(B)+P(D),XP(d)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB1(E),XP(f)
      • Vars
        • K(c);OGATE,S_FLIGHT::R(C)+P(D)
      • Refutation
        • P(f);
  • Actual
    • Q(E);
    • Vars
      • K(c);OGATE,S_FLIGHT::R(C)+P(D)
      • B(a);N_GUARD::QAB(E),XB(a)
      • B(a);SBLOCK::QAB(E)
      • P(d);OGATE::R(B)+P(D),XP(d)
      • P(f);OGATE::R(B)+P(D),XP(f)
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