MESON Chess Problem Database

Problem Display
PID: 79532 (3B4/8/3N4/3pk3/8/6K1/4N3/2Q5 w - - 0 1)

Camisay, Jose R

Ajedrez, 1974

3B4/8/3N4/3pk3/8/6K1/4N3/2Q5

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Sd4?
      • threat
        • 2.Qf4#
      • 1...Kxd6
        • 2.Qc7#
      • 1...Kxd4!
    • 1.Qg5+?
      • 1...Ke6
        • 2.Qe7#
      • 1...Kxd6!
    • 1.Qc7?
      • threat
        • 2.Qe7#
      • 1...Ke6
        • 2.Qe7#
      • 1...d4!
  • Keys
    • 1.Sf4!
      • 1...Kd4
        • 2.Bf6#
      • 1...Kxd6
        • 2.Qc7#
      • 1...d4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(D)::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT,XS(B)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT,XS(D)
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • P(a);
  • Actual
    • S(B);
    • Vars
      • K(b);S_FLIGHT::B(E)
      • K(b);OGATEB,S_FLIGHT,XS(D)::QAB1(A)
      • P(a);OGATEB::QAR2(A)
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