MESON Chess Problem Database

Problem Display
PID: 163714 (7b/8/4Qp2/K4R2/R1N2rkP/3P3p/5rbP/8 w - - 0 1)

Ferber, Eugene

Basler Nachrichten, 1914

7b/8/4Qp2/K4R2/R1N2rkP/3P3p/5rbP/8

#2

8 + 7

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rf3
      • 2.Se3#
      • 2.Se5#
  • Tries
    • 1.Rg5+?
      • 1...Kf3
        • 2.Rg3#
        • 2.Qe3#
      • 1...Kxh4!
    • 1.Qf7?
      • threat
        • 2.Qh5#
      • 1...Rxf5+
        • 2.Se5#
      • 1...Kf3
        • 2.Qh5#
      • 1...Kxh4
        • 2.Qh5#
      • 1...Kxf5!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qh5#
      • 1...Rxf5+
        • 2.Se5#
      • 1...Kf3
        • 2.Qh5#
      • 1...Kxh4
        • 2.Qh5#
      • 1...Kxf5
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);CHECK
      • Refutation
        • K(e);P-FLIGHT,XP(E)
    • Try
      • Q(H);
      • Threat
        • QAB1(H)
      • Vars
        • R(d);CHECK,SBLOCK,XR(G)::R(C)+S(D),DCHECK
        • K(e);P_SPINR(d),S_FLIGHT::QAB(H)
        • K(e);P-FLIGHT,XP(E)::QAR1(H)
      • Refutation
        • K(e);P_SPINP(f),S_FLIGHT,XR(G)
  • Actual
    • Q(H);
    • Threat
      • QAB1(H)
    • Vars
      • R(d);CHECK,SBLOCK,XR(G)::R(C)+S(D),DCHECK
      • K(e);P_SPINR(d),S_FLIGHT::QAB(H)
      • K(e);P-FLIGHT,XP(E)::QAR1(H)
      • K(e);S_FLIGHT,XR(G)::S(D)
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