MESON Chess Problem Database

Problem Display
PID: 101011 (7r/3N4/p7/k2N1Rp1/8/1P1K3p/3b4/r7 w - - 0 1)

Heydon, Joseph Kentigern

Good Companions, 1921

7r/3N4/p7/k2N1Rp1/8/1P1K3p/3b4/r7

#2

5 + 7

6490 yacpdb 2009
5454 Near Snap 2013

SOLUTION

  • SOUND
  • Keys
    • 1.Kc4!
      • threat
        • 2.Sc3#
        • 2.Se3#
        • 2.Sb4#
        • 2.Sf4#
        • 2.S5b6#
        • 2.S5f6#
        • 2.Sc7#
        • 2.Se7#
      • 1...Rc1+
        • 2.Sc3#
      • 1...Ra4+
        • 2.Sb4#
      • 1...Rh4+
        • 2.Sf4#
      • 1...Rc8+
        • 2.Sc7#
      • 1...Re1
        • 2.Se3#
      • 1...Rf1
        • 2.Sf4#
      • 1...Rb8
        • 2.S5b6#
      • 1...Re8
        • 2.Se7#
      • 1...Rf8
        • 2.S5f6#
      • 1...Bc3
        • 2.Sxc3#
      • 1...Be3
        • 2.Sxe3#
      • 1...Bb4
        • 2.Sxb4#
      • 1...Bf4
        • 2.Sxf4#

This anticipates 140854(1968), 42551(1979)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • DUALS(8)
    • Vars
      • R(a);CHECK::R(D)+S(C)
      • R(g);CHECK,SBLOCK::R(D)+S(C)
      • R(g);CHECK::R(D)+S(C)
      • R(a);::R(D)+S(C)
      • R(g);::R(D)+S(C)
      • B(b);::R(D)+S(C),XB(b)
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