MESON Chess Problem Database

Problem Display
PID: 254671 (7b/3n1Q2/3Br3/6p1/4p1Bn/4k3/5N2/3R1K2 w - - 0 1)

Ahues, Herbert Siegfried Oskar

idee & form, 2018

7b/3n1Q2/3Br3/6p1/4p1Bn/4k3/5N2/3R1K2

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rf6
      • 2.Qb3#
    • 1...Se5
      • 2.Bc5#
    • 1...Sf6
      • 2.Qa7#
  • Tries
    • 1.Bc5+?
      • 1...Bd4
        • 2.Bxd4#
      • 1...Sxc5!
    • 1.Qf3+?
      • 1...exf3
        • 2.Rd3#
      • 1...Sxf3!
  • Keys
    • 1.Be2!
      • threat
        • 2.Sg4#
      • 1...Rf6
        • 2.Qb3#
      • 1...Se5
        • 2.Bc5#
      • 1...Sf6
        • 2.Qa7#
      • 1...g4
        • 2.Sxg4#
        • 2.Bf4#
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATE,P_PINS(C)::QAR(F)
    • S(f);N_GUARD,S_CUTB(g)::B(E)
    • S(f);OGATE::QAB(F)
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • B(g);N_GUARD,P_SPINB(g)::B(E),XB(g)
      • Refutation
        • S(f);XB(E)
    • Try
      • Q(F);CHECK
      • Vars
        • P(b);XQ(F)::R1(A)
      • Refutation
        • S(c);XQ(F)
  • Actual
    • B(D);
    • Threat
      • S(C)
    • Vars
      • R(e);OGATE,P_PINS(C)::QAR(F)
      • S(f);N_GUARD,S_CUTB(g)::B(E)
      • S(f);OGATE::QAB(F)
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