MESON Chess Problem Database

Problem Display
PID: 244647 (8/2p3p1/2Pp4/B2B1pQ1/bN1k4/4R1p1/6n1/K3N3 w - - 0 1)

Pierce, James

English Mechanic and World of Science, 1881

(First published on Wed Nov 2 1881)

8/2p3p1/2Pp4/B2B1pQ1/bN1k4/4R1p1/6n1/K3N3

#2

8 + 8

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rd3+?
      • 1...Ke5
        • 2.Sf3#
      • 1...Kc5!
    • 1.Qf4+?
      • 1...Kc5
        • 2.Qc4#
      • 1...Sxf4!
  • Keys
    • 1.Rc3!
      • threat
        • 2.Qxg7#
      • 1...Kxc3
        • 2.Sbc2#
      • 1...Ke5
        • 2.Sf3#
      • 1...g6
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(d);P_SPINP(e),S_FLIGHT::S(B)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(G);CHECK
      • Vars
        • K(d);OGATE,S_FLIGHT::QAR1(G)
      • Refutation
        • S(a);XQ(G)
  • Actual
    • R(C);
    • Threat
      • QAB(G),XP(h)
    • Vars
      • K(d);S_FLIGHT,XR(C)::B(E)+S(D)
      • K(d);P_SPINP(e),S_FLIGHT::S(B)
      • P(h);N_GUARD::QAB(G)
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