MESON Chess Problem Database

Problem Display
PID: 154564 (8/3Q4/3p4/1PpkpP2/3p4/K2N4/8/B2B4 w - - 0 1)

Grindley, AT

Sheffield Guardian (The), 1911

(First published on Fri Apr 7 1911)

8/3Q4/3p4/1PpkpP2/3p4/K2N4/8/B2B4

#2

7 + 5

15239 Valois Notebooks 2015

SOLUTION

  • SOUND
  • Sets
    • 1...c4
      • 2.Qc6#
      • 2.Qb7#
    • 1...e4
      • 2.Qe6#
      • 2.Qf7#
  • Tries
    • 1.Sf4+?
      • 1...Kc4
        • 2.Bb3#
      • 1...exf4
        • 2.Qe6#
      • 1...Ke4!
    • 1.Bb3+?
      • 1...c4
        • 2.Qc6#
        • 2.Qb7#
      • 1...Ke4!
    • 1.Bf3+?
      • 1...e4
        • 2.Qe6#
        • 2.Qf7#
      • 1...Kc4!
  • Keys
    • 1.Sf2!
      • threat
        • 2.Qe6#
        • 2.Qf7#
      • 1...Kc4
        • 2.Bb3#
      • 1...e4
        • 2.Qe6#
      • 1...c4
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(c);N_SPINP(e),S_FLIGHT::B(B)
        • P(d);XS(D)::QAB1(G)
      • Refutation
        • K(c);N_SPINP(e),S_FLIGHT
    • Try
      • B(B);CHECK
      • Refutation
        • K(c);N_SPINP(e),S_FLIGHT
    • Try
      • B(B);CHECK
      • Refutation
        • K(c);N_SPINP(e),S_FLIGHT
  • Actual
    • S(D);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);N_SPINP(e),S_FLIGHT::B(B)
      • P(d);::QAB1(G)
      • P(b);::QAB1(G)
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