MESON Chess Problem Database

Problem Display
PID: 10630 (8/B7/2N5/1k3BQ1/3P4/8/K7/8 w - - 0 1)

Janicijevic, Svetislav

Politika Express, 1966

8/B7/2N5/1k3BQ1/3P4/8/K7/8

#2

6 + 1

5454 Near Snap 2008
133 The Problemist Supplement 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Ka4
      • 2.Bc2#
    • 1...Ka6
      • 2.Bc8#
  • Tries
    • 1.Kb3?
      • 1...Ka6
        • 2.Bc8#
      • 1...Kxc6!
    • 1.Bd3+?
      • 1...Ka4
        • 2.Bc2#
        • 2.Bb5#
        • 2.Qa5#
        • 2.Qb5#
      • 1...Kxc6!
    • 1.Be4+?
      • 1...Ka4
        • 2.Bc2#
        • 2.Qa5#
      • 1...Kc4
        • 2.Qc5#
      • 1...Ka6!
    • 1.Be6+?
      • 1...Ka4
        • 2.Bb3#
        • 2.Qa5#
      • 1...Ka6
        • 2.Bc8#
      • 1...Kxc6!
    • 1.Bd7+?
      • 1...Ka4
        • 2.Qa5#
      • 1...Ka6
        • 2.Bc8#
      • 1...Kc4!
    • 1.Bc8+?
      • 1...Ka4
        • 2.Qa5#
      • 1...Kxc6
        • 2.Qc5#
      • 1...Kc4!
    • 1.Qc1?
      • 1...Ka4
        • 2.Qc4#
      • 1...Ka6!
    • 1.Qd8?
      • 1...Ka4
        • 2.Qa5#
      • 1...Ka6
        • 2.Qb6#
      • 1...Kxc6
        • 2.Qd7#
      • 1...Kc4!
  • Keys
    • 1.Qe7!
      • 1...Ka4
        • 2.Qb4#
      • 1...Kc4
        • 2.Qc5#
      • 1...Ka6
        • 2.Bd3#
      • 1...Kxc6
        • 2.Qd7#

This anticipates 10625(1966-1969)

There are these versions: 155861

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(C)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT,XS(E)
    • Try
      • B(C);CHECK
      • Refutation
        • K(a);S_FLIGHT,XS(E)
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT,XS(E)
    • Try
      • B(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(D)
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(D)
        • K(a);S_FLIGHT,XS(E)::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);S_FLIGHT::QAR2(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(D)
        • K(a);OGATEB,S_FLIGHT,XS(E)::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(a);S_FLIGHT::QAR1(D)
      • K(a);S_FLIGHT::B(C)
      • K(a);OGATEB,S_FLIGHT,XS(E)::QAB1(D)
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