MESON Chess Problem Database

Problem Display
PID: 1118 (8/8/2K5/3p2p1/p1k5/b2NP3/P2P1R2/1B2N3 w - - 0 1)

Pierce, James

The Westminster Papers, 1873

8/8/2K5/3p2p1/p1k5/b2NP3/P2P1R2/1B2N3

#2

8 + 5

3501 Chess Problems by Pierces 1873

SOLUTION

  • SOUND
  • Sets
    • 1...Bb4
      • 2.Sb2#
      • 2.Se5#
  • Tries
    • 1.Rf4+?
      • 1...d4
        • 2.Rxd4#
      • 1...gxf4!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Sxa3#
        • 2.Se5#
      • 1...Kxd3
        • 2.Sxa3#
      • 1...Bc1
        • 2.Se5#
      • 1...Bb2
        • 2.Sxb2#
      • 1...Bb4
        • 2.Sb2#
        • 2.Se5#
      • 1...Bc5
        • 2.Sb2#
        • 2.Se5#
      • 1...Bd6
        • 2.Sb2#
      • 1...Be7
        • 2.Sb2#
        • 2.Se5#
      • 1...Bf8
        • 2.Sb2#
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • P(d);P_SPINP(d)::R1(E),XP(d)
      • Refutation
        • P(e);XR(E)
  • Actual
    • S(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);S_FLIGHT,XS(F)::B(A)+S(B),XB(a)
      • B(a);::S(F)
      • B(a);N_GUARD::S(F),XB(a)
      • B(a);N_GUARD::S(F)
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