MESON Chess Problem Database

Problem Display
PID: 147924 (8/bBp4Q/2N2Rr1/7P/3pk3/6p1/b3P1N1/2K5 w - - 0 1)

von Wardener, Friedrich Freiherr

Suddeutsche Schachblatter, 1907

8/bBp4Q/2N2Rr1/7P/3pk3/6p1/b3P1N1/2K5

#2

8 + 7

14868 Pirnie Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Rf4#
      • 2.Qxg6#
  • Tries
    • 1.Sb8+?
      • 1...Ke5
        • 2.Sd7#
      • 1...Bd5
        • 2.Qe7#
      • 1...c6!
    • 1.Qd7?
      • threat
        • 2.Rf4#
        • 2.Qf5#
      • 1...Rg4
        • 2.Qf5#
      • 1...Rg5
        • 2.Rf4#
      • 1...Be6
        • 2.Rf4#
        • 2.Qxe6#
      • 1...Rxf6!
    • 1.Qe7+?
      • 1...Be6
        • 2.Qxe6#
      • 1...Kd5!
  • Keys
    • 1.Rf5!
      • threat
        • 2.Re5#
      • 1...Rxc6+
        • 2.Rc5#
      • 1...Kxf5
        • 2.Qxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(d);N_SPINR(e),P-FLIGHT::S(E)
        • B(a);P_SPINB(a)::QAR(H)
      • Refutation
        • P(g);P_SPINP(g)
    • Try
      • Q(H);N_PINR(e)
      • Threat
        • DUALS(2)
      • Vars
        • R(e);::QAB1(H)
        • R(e);::R1(F)
      • Refutation
        • R(e);XR(F)
    • Try
      • Q(H);CHECK,N_PINR(e)
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAR2(H),XB(a)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • R(F);N_PINR(e)
    • Threat
      • R1(F)
    • Vars
      • R(e);CHECK,OGATEB,P_SPINR(e),XS(E)::QAB(H)+R(F)
      • K(d);OGATEB,P_SPINR(e),S_FLIGHT,XR(F)::QAB1(H),XR(e)
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