MESON Chess Problem Database

Problem Display
PID: 150607 (R5B1/5n2/8/8/8/8/PPK5/k7 w - - 0 1)

Dawson, Thomas Rayner

Pittsburgh Sun, 1927

(First published on Sat Jul 16 1927)

R5B1/5n2/8/8/8/8/PPK5/k7

#2

5 + 2

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Re8?
      • 1...Kxa2
        • 2.Ra8#
      • 1...Sg5
        • 2.Re1#
      • 1...Sd6
        • 2.Re1#
      • 1...Sh6
        • 2.Re1#
      • 1...Sd8
        • 2.Re1#
      • 1...Sh8
        • 2.Re1#
      • 1...Se5!
  • Keys
    • 1.Rf8!
      • 1...Kxa2
        • 2.Ra8#
      • 1...Se5
        • 2.Rf1#
      • 1...Sg5
        • 2.Rf1#
      • 1...Sd6
        • 2.Rf1#
      • 1...Sh6
        • 2.Rf1#
      • 1...Sd8
        • 2.Rf1#
      • 1...Sh8
        • 2.Rf1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINS(b),XP(A)::R(D)
        • S(b);::R(D)
      • Refutation
        • S(b);
  • Actual
    • R(D);
    • Vars
      • K(a);OGATEB,P-FLIGHT,P_SPINS(b),XP(A)::R(D)
      • S(b);OGATE::R(D)
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