MESON Chess Problem Database

Problem Display
PID: 255671 (3B4/8/N3p3/3k4/KPR5/3p3Q/8/8 w - - 0 1)

Golubenko, Vladimir Aleksandrovich

Probleemblad, 1984

3B4/8/N3p3/3k4/KPR5/3p3Q/8/8

#2

6 + 3

3713 Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sc7+?
      • 1...Ke5
        • 2.Qxe6#
      • 1...Kd6
        • 2.Qxe6#
      • 1...Kxc4!
    • 1.Bf6?
      • threat
        • 2.Qxd3#
      • 1...Kxc4
        • 2.Qxe6#
      • 1...Kd6
        • 2.Qxd3#
      • 1...d2
        • 2.Qd3#
      • 1...e5!
    • 1.Qe3?
      • threat
        • 2.Qd4#
        • 2.Qc5#
      • 1...Kxc4
        • 2.Qc5#
      • 1...Kd6
        • 2.Qd4#
      • 1...e5!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qxe6#
      • 1...Kxc4
        • 2.Qxd3#
      • 1...Ke5
        • 2.Qxe6#
      • 1...Kc6
        • 2.Qxe6#
      • 1...Kd6
        • 2.Qxe6#
      • 1...e5
        • 2.Qe6#

Anticipated by 67158(1983)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(A),XP(c)
      • Refutation
        • K(b);S_FLIGHT,XR(D)
    • Try
      • B(F);
      • Threat
        • QAR2(A),XP(a)
      • Vars
        • K(b);N_GUARD,S_FLIGHT,XR(D)::QAB(A),XP(c)
        • K(b);P-FLIGHT::QAR(A),XP(a)
        • P(a);::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);S_FLIGHT,XR(D)::QAR1(A)
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
  • Actual
    • S(E);
    • Threat
      • QAB1(A),XP(c)
    • Vars
      • K(b);N_GUARD,S_FLIGHT,XR(D)::QAB1(A),XP(a)
      • K(b);P-FLIGHT::QAR1(A),XP(c)
      • K(b);S_FLIGHT::QAR2(A),XP(c)
      • P(c);::QAB1(A)
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