MESON Chess Problem Database

Problem Display
PID: 248667 (K3N3/2Q3B1/8/3k3B/8/b2pR3/4n3/5r2 w - - 0 1)

Leroy, Dominique

Het Belgisch Schaakbord (L'Echiquier Belge), 2006

K3N3/2Q3B1/8/3k3B/8/b2pR3/4n3/5r2

#2

6 + 5

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Bf3#
      • 2.Bf7#
    • 1...Rb1
      • 2.Bf3#
      • 2.Bf7#
    • 1...Rc1
      • 2.Bf3#
      • 2.Bf7#
    • 1...Rd1
      • 2.Bf3#
      • 2.Bf7#
    • 1...Re1
      • 2.Bf3#
      • 2.Bf7#
    • 1...Rg1
      • 2.Bf3#
      • 2.Bf7#
    • 1...Rh1
      • 2.Bf3#
      • 2.Bf7#
    • 1...Rf3
      • 2.Bxf3#
    • 1...Rf7
      • 2.Bxf7#
    • 1...Sd4
      • 2.Re5#
  • Tries
    • 1.Sf6+?
      • 1...Kd4
        • 2.Re4#
      • 1...Rxf6!
  • Keys
    • 1.Re4!
      • threat
        • 2.Qc4#
      • 1...Kxe4
        • 2.Qe5#
      • 1...Rc1
        • 2.Sf6#
      • 1...Bc5
        • 2.Qb7#
      • 1...Sd4
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(a);N_GUARD::B(B),XR(a)
    • S(b);SBLOCK::R1(A)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(e);P-FLIGHT::R1(A)
      • Refutation
        • R(a);XS(F)
  • Actual
    • R(A);
    • Threat
      • QAB1(C)
    • Vars
      • K(e);S_FLIGHT,XR(A)::QAR1(C)
      • R(a);N_GUARD::S(F)
      • B(c);SBLOCK::QAB(C)
      • S(b);SBLOCK::R1(A)
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Developed and maintained by Brian Stephenson.
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