MESON Chess Problem Database

Problem Display
PID: 151752 (3K4/8/1p6/3n4/4P1Q1/3k4/2R1R1b1/8 w - - 0 1)

Dawson, Thomas Rayner

Falkirk Herald, 1936

(First published on Wed Jul 29 1936)

3K4/8/1p6/3n4/4P1Q1/3k4/2R1R1b1/8

#2

5 + 4

15256 TRD Scrapbook 2014
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe4
      • 2.Qxe4#
    • 1...Se3
      • 2.Red2#
  • Tries
    • 1.Qd7?
      • threat
        • 2.Qxd5#
      • 1...Kd4
        • 2.Qxd5#
      • 1...Bxe4!
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qxd5#
      • 1...Kd4
        • 2.Qxd5#
      • 1...Bxe4
        • 2.Qxe4#
      • 1...Sc3
        • 2.Rcd2#
      • 1...Se3
        • 2.Red2#
      • 1...Sb4
        • 2.Qc4#
      • 1...Sf4
        • 2.Qc4#
      • 1...Sf6
        • 2.Qc4#
      • 1...Sc7
        • 2.Qc4#
      • 1...Se7
        • 2.Qc4#

Anticipated by 206311(1925)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE,XP(C)::QAB1(D),XB(a)
    • S(c);SBLOCK::R1(B)
  • Tries
    • Try
      • Q(D);P_PINS(c)
      • Threat
        • QAR2(D),XS(c)
      • Vars
        • K(b);P-FLIGHT::QAR1(D),XS(c)
      • Refutation
        • B(a);XP(C)
  • Actual
    • Q(D);
    • Threat
      • QAR2(D),XS(c)
    • Vars
      • K(b);P-FLIGHT::QAR1(D),XS(c)
      • B(a);OGATE,XP(C)::QAB1(D),XB(a)
      • S(c);SBLOCK::R1(A)
      • S(c);SBLOCK::R1(B)
      • S(c);OGATE::QAB1(D)
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