MESON Chess Problem Database

Problem Display
PID: 183976 (7R/p1p5/k6P/8/P1N5/1K6/8/6BB w - - 0 1)

Pikhurov, Dimitry Egorovich

Suomen Shakki, 1981

7R/p1p5/k6P/8/P1N5/1K6/8/6BB

#2

7 + 3

5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Rd8?
      • 1...c5
        • 2.Rd6#
      • 1...c6!
    • 1.Re8?
      • 1...c5
        • 2.Re6#
      • 1...c6!
    • 1.Rf8?
      • 1...c5
        • 2.Rf6#
      • 1...c6!
    • 1.Rg8?
      • 1...c5
        • 2.Rg6#
      • 1...c6!
  • Keys
    • 1.Rh7!
      • 1...c5
        • 2.Bb7#
      • 1...c6
        • 2.Rxa7#

This anticipates 264428(1992)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);
      • Vars
        • P(c);N_GUARD::R(G)
      • Refutation
        • P(c);
    • Try
      • R(G);
      • Vars
        • P(c);N_GUARD::R(G)
      • Refutation
        • P(c);
    • Try
      • R(G);
      • Vars
        • P(c);N_GUARD::R(G)
      • Refutation
        • P(c);
    • Try
      • R(G);
      • Vars
        • P(c);N_GUARD::R(G)
      • Refutation
        • P(c);
  • Actual
    • R(G);
    • Vars
      • P(c);::B(B)
      • P(c);OGATE::R1(G),XP(b)
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