MESON Chess Problem Database

Problem Display
PID: 197901 (B4b2/B7/8/2p5/2kP4/3Nr1n1/K1P5/QR6 w - - 0 1)

Leroy, Dominique

1st Comm., Het Belgisch Schaakbord (L'Echiquier Belge), 1999-2000

B4b2/B7/8/2p5/2kP4/3Nr1n1/K1P5/QR6

#2

8 + 5

5110 Bekroonde Problemen 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Rf3
      • 2.Se5#
    • 1...Re5
      • 2.Sxe5#
    • 1...Se4
      • 2.Se5#
    • 1...cxd4
      • 2.Qxd4#
  • Tries
    • 1.Rb3?
      • threat
        • 2.Qc3#
      • 1...Rxd3
        • 2.cxd3#
      • 1...cxd4
        • 2.Sb2#
        • 2.Qxd4#
      • 1...Se4
        • 2.Se5#
      • 1...Se2!
  • Keys
    • 1.Kb2!
      • threat
        • 2.Qa4#
      • 1...Kxd4
        • 2.Kb3#
        • 2.Qa4#
      • 1...Kb5
        • 2.Kc3#
      • 1...cxd4
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(a);N_GUARD::S(E)
    • R(a);N_GUARD::S(E),XR(a)
    • S(b);S_CUTR(a)::S(E)
    • P(d);OGATE,XP(F)::QAR1(A),XP(d)
  • Tries
    • Try
      • R(B);
      • Threat
        • QAR1(A)
      • Vars
        • R(a);OGATE,XS(E)::P(D),XR(a)
        • S(b);S_CUTR(a)::S(E)
      • Refutation
        • S(b);
  • Actual
    • K(C);P-FLIGHT
    • Threat
      • QAR2(A)
    • Vars
      • K(c);S_FLIGHT::R(B)+K(C)
      • P(d);XP(F)::QAB(A)
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