MESON Chess Problem Database

Problem Display
PID: 242968 (4N3/8/6P1/5p2/B1k1pK2/P3P3/3P2Q1/8 w - - 0 1)

Shaw, Arthur A

Bradford Weekly Telegraph, 1912

(First published on Fri Jan 19 1912)

4N3/8/6P1/5p2/B1k1pK2/P3P3/3P2Q1/8

#2

8 + 3

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qf1+?
      • 1...Kc5
        • 2.Qb5#
      • 1...Kd5!
    • 1.Qxe4+?
      • 1...Kc5
        • 2.Qc6#
        • 2.Qd4#
      • 1...fxe4!
    • 1.Qe2+?
      • 1...Kc5
        • 2.Qb5#
      • 1...Kd5!
  • Keys
    • 1.d4!
      • 1...Kc3
        • 2.Qc2#
      • 1...Kd3
        • 2.Qc2#
      • 1...Kd5
        • 2.Qa2#
      • 1...exd4 ep
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK,XP(b)
      • Refutation
        • P(c);XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(A);
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);P_SPINP(b),S_FLIGHT::QAB(B)
      • P(b);EP,OGATE,XP(A)::QAR2(B)
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