MESON Chess Problem Database

Problem Display
PID: 203052 (2Q5/3B4/p7/P3p3/8/3k1NK1/5P2/8 w - - 0 1)

Karmanov, Y

Sachova skladba, 1990

2Q5/3B4/p7/P3p3/8/3k1NK1/5P2/8

#2

6 + 3

5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qc4#
  • Tries
    • 1.Kg2?
      • 1...Ke2
        • 2.Qc2#
      • 1...Ke4
        • 2.Qc4#
      • 1...e4!
    • 1.Ba4?
      • threat
        • 2.Qc2#
      • 1...Ke2
        • 2.Qxa6#
        • 2.Qc4#
      • 1...Ke4!
    • 1.Be6?
      • threat
        • 2.Qc4#
      • 1...Ke4
        • 2.Qc2#
        • 2.Qc4#
      • 1...Ke2!
  • Keys
    • 1.Bh3!
      • 1...Ke2
        • 2.Qc2#
      • 1...Ke4
        • 2.Qc4#
      • 1...e4
        • 2.Bf1#

Anticipated by 15541(1985)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR2(F)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(F)
      • Refutation
        • P(b);
    • Try
      • B(E);
      • Threat
        • QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);
      • Threat
        • QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(a);S_FLIGHT::QAR2(F)
      • P(b);SBLOCK::B(E)
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