MESON Chess Problem Database

Problem Display
PID: 75843 (1r1kr3/3p1P2/3B1K2/3N4/8/2R5/8/8 w - - 0 1)

Columba, Father

The Tablet, 1920

(First published on Sat Jan 31 1920)

1r1kr3/3p1P2/3B1K2/3N4/8/2R5/8/8

#2

5 + 4

15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Re7
      • 2.Bxe7#
    • 1...Rf8
      • 2.Be7#
    • 1...Rg8
      • 2.Be7#
      • 2.fxg8Q#
      • 2.fxg8R#
    • 1...Rh8
      • 2.Be7#
  • Keys
    • 1.Se7!
      • threat
        • 2.Bc7#
      • 1...Rxe7
        • 2.Bxe7#
      • 1...Rb6
        • 2.Rc8#
      • 1...Rb7
        • 2.Rc8#
      • 1...Rc8
        • 2.Rxc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(d);N_GUARD::B(C),XR(d)
    • R(d);N_GUARD,P_PINP(E)::B(C)
    • R(d);N_GUARD::B(C)
  • Actual
    • S(B);
    • Threat
      • B(C)
    • Vars
      • R(d);OGATE,XS(B)::B(C),XR(d)
      • R(b);N_GUARD,P_PINB(C)::R1(A)
      • R(b);N_GUARD::R1(A)
      • R(b);N_GUARD::R1(A),XR(b)
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