MESON Chess Problem Database

Problem Display
PID: 152254 (b2r4/b7/8/7p/3p3K/5P2/1R2P2R/4k3 w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1938

b2r4/b7/8/7p/3p3K/5P2/1R2P2R/4k3

#2

5 + 6

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kd1
      • 2.Rh1#
    • 1...Kf1
      • 2.Rb1#
  • Tries
    • 1.e3?
      • threat
        • 2.Rb1#
        • 2.Rh1#
      • 1...Kd1
        • 2.Rb1#
        • 2.Rh1#
      • 1...Kf1
        • 2.Rb1#
        • 2.Rh1#
      • 1...dxe3
        • 2.Rh1#
      • 1...Rb8
        • 2.Rh1#
      • 1...Rc8
        • 2.Rh1#
      • 1...Rg8
        • 2.Rb1#
      • 1...Be4
        • 2.Rh1#
      • 1...Bxf3!
  • Keys
    • 1.e4!
      • threat
        • 2.Rb1#
        • 2.Rh1#
      • 1...Kd1
        • 2.Rb1#
        • 2.Rh1#
      • 1...Kf1
        • 2.Rb1#
        • 2.Rh1#
      • 1...Bxe4
        • 2.Rh1#
      • 1...dxe4 ep
        • 2.Rh1#
      • 1...Rb8
        • 2.Rh1#
      • 1...Rc8
        • 2.Rh1#
      • 1...Rg8
        • 2.Rb1#
      • 1...d3
        • 2.Rb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • K(a);P-FLIGHT::R(C)
    • K(a);P-FLIGHT::R(A)
  • Tries
    • Try
      • P(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);XP(B)::R(C)
        • R(f);::R(C)
        • R(f);::R(A)
        • B(e);::R(C)
      • Refutation
        • B(e);XP(D)
  • Actual
    • P(B);
    • Threat
      • DUALS(2)
    • Vars
      • B(e);XP(B)::R(C)
      • P(b);EP,XP(B)::R(C)
      • R(f);::R(C)
      • R(f);::R(A)
      • P(b);::R(A)
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