MESON Chess Problem Database

Problem Display
PID: 47406 (2kn3R/6Q1/1b6/3R4/8/8/8/3K4 w - - 0 1)

Gordon, Bert F

Good Companions (April), 1919

2kn3R/6Q1/1b6/3R4/8/8/8/3K4

#2

4 + 3

3132 The Good Companion Two-Mover 1922
4883 Still More Fun with Chess Miniatures 2002
3713 Snap 2003
5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Rdxd8#
      • 2.Rhxd8#
    • 1...Bf2
      • 2.Rdxd8#
      • 2.Rhxd8#
    • 1...Be3
      • 2.Rdxd8#
      • 2.Rhxd8#
    • 1...Bd4
      • 2.Rdxd8#
      • 2.Rhxd8#
    • 1...Bc5
      • 2.Rdxd8#
      • 2.Rhxd8#
    • 1...Ba7
      • 2.Rdxd8#
      • 2.Rhxd8#
  • Keys
    • 1.Rb5!
      • 1...Kb8
        • 2.Rxd8#
      • 1...Bg1
        • 2.Qb7#
      • 1...Bf2
        • 2.Qb7#
      • 1...Be3
        • 2.Qb7#
      • 1...Bd4
        • 2.Qb7#
      • 1...Ba5
        • 2.Qb7#
      • 1...Bc5
        • 2.Qb7#
      • 1...Ba7
        • 2.Qb7#
      • 1...Bc7
        • 2.Qg4#

Anticipated by 124424(0000), 9808(1910), 189423(1911)

This anticipates 76437(1930), 78015(1955), 29033(1991)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(B);
    • Vars
      • K(b);P-FLIGHT,P_SPINB(a)::R(D),XS(c)
      • B(a);::QAB1(C)
      • B(a);SBLOCK::QAB(C)
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