MESON Chess Problem Database

Problem Display
PID: 106056 (2B5/2Q5/5p2/2Pk1N2/8/4K3/8/8 w - - 0 1)

Daishkovsky, Aleksandr

Cherkassia-700 JT, 1986

2B5/2Q5/5p2/2Pk1N2/8/4K3/8/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bb7+?
      • 1...Ke6
        • 2.Sd4#
        • 2.Sg7#
      • 1...Kc4!
    • 1.Qb6?
      • 1...Ke5
        • 2.Qd6#
        • 2.Qe6#
      • 1...Kc4!
  • Keys
    • 1.Qa5!
      • 1...Kc4
        • 2.Be6#
      • 1...Ke5
        • 2.c6#
      • 1...Kc6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(a);S_FLIGHT::B(E)
      • K(a);P-FLIGHT::QAR(D)+P(B)
      • K(a);S_FLIGHT::S(C)
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