MESON Chess Problem Database

Problem Display
PID: 250369 (B4Nn1/4pRP1/7b/NPK1k3/r4p2/p1p1P3/8/2B3r1 w - - 0 1)

Harding, WT

Manchester Evening News, 1923

(First published on Sat Oct 6 1923)

B4Nn1/4pRP1/7b/NPK1k3/r4p2/p1p1P3/8/2B3r1

#2

9 + 9

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4+
      • 2.Sxc4#
    • 1...Rd4
      • 2.exd4#
    • 1...Re4
      • 2.Sc6#
    • 1...e6
      • 2.Sd7#
  • Tries
    • 1.Bd5?
      • threat
        • 2.Sc6#
        • 2.Sd7#
      • 1...Rc4+
        • 2.Sxc4#
      • 1...Rxa5
        • 2.Sd7#
      • 1...Rg6
        • 2.Sxg6#
        • 2.Sd7#
      • 1...Sf6!
  • Keys
    • 1.e4!
      • threat
        • 2.Rf5#
      • 1...Rc4+
        • 2.Sxc4#
      • 1...Rxe4
        • 2.Sc6#
      • 1...Rg5
        • 2.Bxf4#
      • 1...Sf6
        • 2.Rxe7#
      • 1...e6
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(d);CHECK,N_GUARD::S(C),XR(d)
    • R(d);OGATE::P(B),XR(d)
    • R(d);SBLOCK::S(C)
    • P(h);SBLOCK::S(I)
  • Tries
    • Try
      • B(H);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);CHECK,N_GUARD::S(C),XR(d)
        • R(d);P_PINP(D),XS(C)::S(I)
      • Refutation
        • S(i);
  • Actual
    • P(B);
    • Threat
      • R1(F)
    • Vars
      • R(d);CHECK,N_GUARD::S(C),XR(d)
      • R(d);SBLOCK,XP(B)::S(C)
      • R(a);S_CUTB(g)::B(A),XP(e)
      • S(i);N_GUARD,SBLOCK::R(F),XP(h)
      • P(h);SBLOCK::S(I)
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