MESON Chess Problem Database

Problem Display
PID: 77519 (1B5K/5pQ1/8/5k2/8/8/4B3/8 w - - 0 1)

Zvetkov, Javor

Shakhmatna misl, 1984

1B5K/5pQ1/8/5k2/8/8/4B3/8

#2

4 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qe5#
    • 1...f6
      • 2.Qg4#
  • Tries
    • 1.Kh7?
      • threat
        • 2.Qe5#
      • 1...Ke4
        • 2.Qe5#
      • 1...f6
        • 2.Qg4#
      • 1...Ke6!
    • 1.Bf3?
      • 1...f6
        • 2.Qg4#
      • 1...Ke6!
    • 1.Bh5?
      • threat
        • 2.Qe5#
      • 1...Ke6
        • 2.Qxf7#
      • 1...f6
        • 2.Qg4#
      • 1...Ke4!
    • 1.Bh2?
      • 1...Ke4
        • 2.Qe5#
      • 1...f6
        • 2.Qg4#
      • 1...Ke6!
    • 1.Bg3?
      • 1...Ke4
        • 2.Qe5#
      • 1...f6
        • 2.Qg4#
      • 1...Ke6!
    • 1.Bd6?
      • 1...Ke4
        • 2.Qe5#
      • 1...f6
        • 2.Qg4#
      • 1...Ke6!
    • 1.Bc7?
      • 1...Ke4
        • 2.Qe5#
      • 1...f6
        • 2.Qg4#
      • 1...Ke6!
    • 1.Qf6+?
      • 1...Ke4
        • 2.Qe5#
      • 1...Kxf6!
  • Keys
    • 1.Kg8!
      • 1...Ke4
        • 2.Qe5#
      • 1...Ke6
        • 2.Qxf7#
      • 1...f6
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(B)
    • P(b);SBLOCK::QAB1(B)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::QAB1(B),XP(b)
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
  • Actual
    • K(D);P-FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::QAB1(B),XP(b)
      • P(b);SBLOCK::QAB1(B)
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