MESON Chess Problem Database

Problem Display
PID: 152472 (8/8/2K5/1Q6/4N3/p1p1Nk2/R1p5/7R w - - 0 1)

Dawson, Thomas Rayner

Falkirk Herald, 1940

(First published on Wed Nov 6 1940)

8/8/2K5/1Q6/4N3/p1p1Nk2/R1p5/7R

#2

6 + 4

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Re1?
      • threat
        • 2.Qf5#
      • 1...Kf4
        • 2.Qf5#
      • 1...Kxe4!
    • 1.Rh3+?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kxe4!
    • 1.Qd3?
      • threat
        • 2.Rf1#
      • 1...c1Q
        • 2.Rf2#
      • 1...c1R
        • 2.Rf2#
      • 1...Kf4!
  • Keys
    • 1.Sg2!
      • 1...Kxg2
        • 2.Qf1#
      • 1...Kxe4
        • 2.Qd5#
      • 1...Kg4
        • 2.Qh5#
      • 1...c1Q
        • 2.Qe2#
      • 1...c1S
        • 2.Qf5#
      • 1...c1B
        • 2.Qe2#
      • 1...c1R
        • 2.Qe2#
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Threat
        • QAR2(E)
      • Vars
        • K(d);P-FLIGHT::QAR1(E)
      • Refutation
        • K(d);S_FLIGHT,XS(D)
    • Try
      • R(A);CHECK
      • Vars
        • K(d);P-FLIGHT::QAR1(E)
      • Refutation
        • K(d);S_FLIGHT,XS(D)
    • Try
      • Q(E);
      • Threat
        • R(A)
      • Vars
        • P(a);OGATE::R1(B)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(d);P_SPINP(a),S_FLIGHT,XS(C)::QAB1(E)
      • K(d);OGATEB,S_FLIGHT,XS(D)::QAB1(E)
      • K(d);S_FLIGHT::QAB1(E)
      • P(a);::QAB1(E)
      • P(a);::QAR2(E)
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