MESON Chess Problem Database

Problem Display
PID: 206933 (kbK5/pp6/1P6/8/8/8/R7/8 w - - 0 1)

Morphy, Paul Charles

New York Clipper, 1856

kbK5/pp6/1P6/8/8/8/R7/8

#2

3 + 4

5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Rxa7#
    • 1...Bg3
      • 2.Rxa7#
    • 1...Bf4
      • 2.Rxa7#
    • 1...Be5
      • 2.Rxa7#
    • 1...Bd6
      • 2.Rxa7#
    • 1...Bc7
      • 2.Rxa7#
  • Tries
    • 1.Ra5?
      • 1...Bh2
        • 2.Rxa7#
      • 1...Bg3
        • 2.Rxa7#
      • 1...Bf4
        • 2.Rxa7#
      • 1...Be5
        • 2.Rxa7#
      • 1...Bd6
        • 2.Rxa7#
      • 1...Bc7
        • 2.Rxa7#
      • 1...a6!
  • Keys
    • 1.Ra6!
      • 1...bxa6
        • 2.b7#
      • 1...Bh2
        • 2.Rxa7#
      • 1...Bg3
        • 2.Rxa7#
      • 1...Bf4
        • 2.Rxa7#
      • 1...Be5
        • 2.Rxa7#
      • 1...Bd6
        • 2.Rxa7#
      • 1...Bc7
        • 2.Rxa7#

This anticipates 2077(0000)

This is a version of 9303

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(d);N_GUARD::R1(A),XP(a)
  • Tries
    • Try
      • R(A);
      • Vars
        • B(d);N_GUARD::R1(A),XP(a)
      • Refutation
        • P(a);
  • Actual
    • R(A);
    • Vars
      • P(b);N_SPINP(a),OGATE,XR(A)::P(B)
      • B(d);N_GUARD::R1(A),XP(a)
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