MESON Chess Problem Database

Problem Display
PID: 154029 (1nN4K/p7/R1p4p/2kp4/B7/PP6/5p2/Q3b3 w - - 0 1)

Goodwin, H

Sheffield Guardian (The), 1909

(First published on Fri Apr 2 1909)

1nN4K/p7/R1p4p/2kp4/B7/PP6/5p2/Q3b3

#2

7 + 8

15239 Valois Notebooks 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Bc3+
      • 2.Qxc3#
    • 1...Ba5
      • 2.Rxa5#
    • 1...Sd7
      • 2.Rxc6#
  • Tries
    • 1.Qc1+?
      • 1...Bc3+
        • 2.Qxc3#
      • 1...Kd4!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qxa7#
      • 1...d4
        • 2.Qe5#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Ba5
        • 2.Rxa5#
      • 1...Sd7
        • 2.Rxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);CHECK,N_GUARD::QAR2(A),XB(a)
    • B(a);N_GUARD::R(E),XB(a)
    • S(h);N_GUARD::R1(E),XP(e)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • B(a);CHECK,N_GUARD,P_SPINB(a)::QAR2(A),XB(a)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB(A),XP(g)
    • Vars
      • P(d);OGATEB::QAR2(A)
      • B(a);N_GUARD,P_PINQ(A)::QAR2(A),XB(a)
      • B(a);N_GUARD::R(E),XB(a)
      • S(h);N_GUARD::R1(E),XP(e)
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