MESON Chess Problem Database

Problem Display
PID: 152724 (8/2NP1p2/3K1p1R/1Q2nk2/7R/3PBp2/2P2P2/8 w - - 0 1)

Dawson, Thomas Rayner

Queenstown Daily Representative, 1942

(First published on Tue Oct 13 1942)

8/2NP1p2/3K1p1R/1Q2nk2/7R/3PBp2/2P2P2/8

#2

10 + 5

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Sd5?
      • threat
        • 2.Se7#
        • 2.Rxf6#
      • 1...Sxd7
        • 2.Se7#
        • 2.Qxd7#
      • 1...Sg4
        • 2.Se7#
        • 2.R4h5#
      • 1...Sg6
        • 2.Se7#
        • 2.R6h5#
      • 1...Sc4+!
    • 1.Bg5?
      • 1...fxg5
        • 2.Qxe5#
      • 1...Kxg5!
    • 1.Qa4?
      • threat
        • 2.R4h5#
        • 2.Qe4#
        • 2.Qf4#
      • 1...Sxd3
        • 2.R4h5#
        • 2.Qe4#
        • 2.Qg4#
      • 1...Sg6
        • 2.R4h5#
        • 2.R6h5#
        • 2.Qe4#
        • 2.Qg4#
      • 1...Sc4+!
    • 1.Qc4?
      • threat
        • 2.R4h5#
        • 2.Qe4#
        • 2.Qf4#
      • 1...Sxd3
        • 2.R4h5#
        • 2.Qxd3#
        • 2.Qe4#
        • 2.Qg4#
      • 1...Sg6
        • 2.R4h5#
        • 2.R6h5#
        • 2.Qe4#
        • 2.Qg4#
      • 1...Sxc4+!
    • 1.Qb4?
      • threat
        • 2.R4h5#
        • 2.Qe4#
        • 2.Qf4#
      • 1...Sxd3
        • 2.R4h5#
        • 2.Qe4#
        • 2.Qg4#
      • 1...Sg6
        • 2.R4h5#
        • 2.R6h5#
        • 2.Qe4#
        • 2.Qg4#
      • 1...Sc4+!
  • Keys
    • 1.Kd5!
      • 1...Sxd3
        • 2.Qxd3#
      • 1...Sxd7
        • 2.Qxd7#
      • 1...Sc4
        • 2.Kxc4#
      • 1...Sg4
        • 2.R4h5#
      • 1...Sc6
        • 2.Kxc6#
      • 1...Sg6
        • 2.R6h5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(I);N_PINS(b)
      • Threat
        • DUALS(2)
      • Refutation
        • S(b);CHECK
    • Try
      • B(D);
      • Vars
        • P(d);N_GUARD,SBLOCK,XB(D)::QAR1(F),XS(b)
      • Refutation
        • K(c);P-FLIGHT,XB(D)
    • Try
      • Q(F);N_PINS(b)
      • Threat
        • DUALS(3)
      • Refutation
        • S(b);CHECK
    • Try
      • Q(F);N_PINS(b)
      • Threat
        • DUALS(3)
      • Refutation
        • S(b);CHECK,XQ(F)
    • Try
      • Q(F);N_PINS(b)
      • Threat
        • DUALS(3)
      • Refutation
        • S(b);CHECK
  • Actual
    • K(G);N_PINS(b),P-FLIGHT
    • Vars
      • S(b);OGATE,XP(C)::QAB(F),XS(b)
      • S(b);OGATE,XP(J)::QAB(F),XS(b)
      • S(b);::QAR(F)+K(G),XS(b)
      • S(b);SBLOCK::R(E)
      • S(b);SBLOCK::R(H)
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