MESON Chess Problem Database

Problem Display
PID: 150280 (8/5r2/2n1N3/5P1P/2P1n1k1/2Qp2p1/3P2B1/2K1N2R w - - 0 1)

Foster, A

The Referee, 1925

(First published on Sun May 31 1925)

8/5r2/2n1N3/5P1P/2P1n1k1/2Qp2p1/3P2B1/2K1N2R

#2

10 + 6

15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf5
      • 2.Bh3#
  • Tries
    • 1.Rh4+?
      • 1...Kxf5
        • 2.Bh3#
      • 1...Kxh4!
    • 1.Qg7+?
      • 1...Kxf5
        • 2.Bh3#
      • 1...Sg5
        • 2.Qxg5#
      • 1...Rxg7!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Se3#
      • 1...Kxf5
        • 2.Bh3#
      • 1...dxc2
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT,XP(H)::B(E)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(d);S_FLIGHT,XP(H)::B(E)
      • Refutation
        • K(d);P-FLIGHT,XR(C)
    • Try
      • Q(F);CHECK
      • Vars
        • K(d);S_FLIGHT,XP(H)::B(E)
        • S(c);N_GUARD,P_SPINS(c)::QAR1(F),XS(c)
      • Refutation
        • R(f);XQ(F)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(d);S_FLIGHT,XP(H)::B(E)
      • P(a);OGATE,XS(B)::QAB1(F)
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