MESON Chess Problem Database

Problem Display
PID: 47576 (4K3/8/3pk3/4P3/8/5BQ1/8/b7 w - - 0 1)

Myllyniemi, Matti Arvo

Valeakosken Sanomat, 1981

4K3/8/3pk3/4P3/8/5BQ1/8/b7

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...dxe5
      • 2.Qg6#
    • 1...d5
      • 2.Bg4#
  • Tries
    • 1.Qf4?
      • threat
        • 2.Qf6#
      • 1...Bxe5
        • 2.Qf7#
      • 1...dxe5!
    • 1.Qg5?
      • threat
        • 2.Qf6#
      • 1...dxe5
        • 2.Qg6#
      • 1...Bxe5!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qf6#
      • 1...Kf5
        • 2.Qf6#
      • 1...Bxe5
        • 2.Qf7#
      • 1...dxe5
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(b);SBLOCK,XP(C)::QAR2(B)
    • P(b);SBLOCK::B(A)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • B(a);SBLOCK,XP(C)::QAB1(B)
      • Refutation
        • P(b);XP(C)
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • P(b);SBLOCK,XP(C)::QAR2(B)
      • Refutation
        • B(a);XP(C)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • K(c);S_FLIGHT::QAR1(B)
      • B(a);SBLOCK,XP(C)::QAB1(B)
      • P(b);SBLOCK,XP(C)::QAR2(B)
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