MESON Chess Problem Database

Problem Display
PID: 15410 (8/3B1QB1/8/2p1P3/3k4/8/1K3P2/8 w - - 0 1)

Petkov, Petko Andonov

Shakhmatna misl, 1983

8/3B1QB1/8/2p1P3/3k4/8/1K3P2/8

#2

6 + 2

3840 Petkov Selected Compositions 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Bg4?
      • 1...Kd3
        • 2.Qd5#
      • 1...Ke4
        • 2.Qc4#
      • 1...c4!
    • 1.Bb5?
      • threat
        • 2.Qc4#
      • 1...c4
        • 2.Qxc4#
      • 1...Ke4!
    • 1.Qg6?
      • 1...Kc4
        • 2.Qe4#
      • 1...Kd5
        • 2.Qd3#
      • 1...c4!
    • 1.Qf3?
      • 1...Kc4
        • 2.Qe4#
      • 1...c4!
  • Keys
    • 1.Qf5!
      • 1...Kc4
        • 2.Qe4#
      • 1...Kd5
        • 2.Qd3#
      • 1...c4
        • 2.e6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Threat
        • QAR1(E)
      • Vars
        • P(b);::QAR1(E),XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
  • Actual
    • Q(E);
    • Vars
      • K(a);P-FLIGHT::QAR2(E)
      • P(b);SBLOCK::B(F)+P(C)
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