MESON Chess Problem Database

Problem Display
PID: 9303 (kbK5/pp6/1P6/8/8/8/8/R7 w - - 0 1)

Morphy, Paul Charles

New York Clipper, 1856

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

#2

3 + 4

5919 The Chess Players' Quarterly Chronicle 1871
16 Chess Amateur (The) 1910
16 Chess Amateur (The) 1911
785 Het Belgisch Schaakbord (L'Echiquier Belge) 1956
2786 More Fun with Chess Miniatures 2000
3713 Snap 2007
145 StrateGems 2015

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)

There are these versions: 206933

There are these afters: 75985

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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