MESON Chess Problem Database

Problem Display
PID: 28619 (8/1B6/8/2kN1N2/8/5K2/8/5Q2 w - - 0 1)

Larose, Jean Paul

Echec+, 1992

8/1B6/8/2kN1N2/8/5K2/8/5Q2

#2

5 + 1

3248 Miniatures canadiennes 2000
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Ba6?
      • threat
        • 2.Qc4#
        • 2.Qb5#
      • 1...Kc6
        • 2.Qb5#
      • 1...Kxd5!
    • 1.Qe1?
      • threat
        • 2.Qb4#
      • 1...Kb5
        • 2.Qb4#
      • 1...Kc4!
  • Keys
    • 1.Bc8!
      • 1...Kxd5
        • 2.Qb5#
      • 1...Kc6
        • 2.Qc4#

Anticipated by 208130(1886), 4968(1895), 176183(1966), 11610(1970), 161691(1989)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(a);P-FLIGHT,XS(C)::QAR2(A)
      • K(a);P-FLIGHT::QAR2(A)
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