MESON Chess Problem Database

Problem Display
PID: 42949 (5B1K/3N4/8/3N1k1p/Q6P/2P3p1/6P1/5B2 w - - 0 1)

Barnes, Barry Peter

The Problemist, 2002

5B1K/3N4/8/3N1k1p/Q6P/2P3p1/6P1/5B2

#2

9 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Kg8?
      • 1...Kg6
        • 2.Se7#
        • 2.Bd3#
        • 2.Qc2#
        • 2.Qe4#
      • 1...Ke6!
    • 1.Se3+?
      • 1...Ke6
        • 2.Bc4#
      • 1...Kg6!
    • 1.Sc5?
      • threat
        • 2.Qe4#
      • 1...Ke5
        • 2.Qe4#
      • 1...Kg6!
    • 1.Qc2+?
      • 1...Kg4
        • 2.Qe4#
      • 1...Ke6!
    • 1.Qc6?
      • 1...Ke4
        • 2.Qe6#
      • 1...Kg4!
    • 1.Qc4?
      • threat
        • 2.Se7#
      • 1...Kg6
        • 2.Se7#
      • 1...Ke6!
    • 1.Qd4?
      • 1...Kg6
        • 2.Qf6#
      • 1...Ke6!
    • 1.Qf4+?
      • 1...Kg6
        • 2.Se7#
        • 2.Se5#
        • 2.Bd3#
        • 2.Qf6#
      • 1...Ke6!
    • 1.Qa6?
      • 1...Ke4
        • 2.Qd3#
        • 2.Qe6#
      • 1...Kg4!
  • Keys
    • 1.Bc4!
      • 1...Ke4
        • 2.Qc2#
      • 1...Kg4
        • 2.Bd3#
      • 1...Ke6
        • 2.Se3#
      • 1...Kg6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(I);P-FLIGHT
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(b);S_FLIGHT::B(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(G);
      • Threat
        • QAB1(D)
      • Vars
        • K(b);P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR2(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(b);S_FLIGHT::QAR2(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);
      • Threat
        • S(F)
      • Vars
        • K(b);S_FLIGHT::S(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(b);S_FLIGHT::QAR1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(b);S_FLIGHT::QAB(D)
      • K(b);S_FLIGHT::QAR(D)+B(A)
      • K(b);S_FLIGHT::B(A)+S(F)
      • K(b);S_FLIGHT::S(F)
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