MESON Chess Problem Database

Problem Display
PID: 9318 (n7/1Rn5/3N4/Npk1Kp2/8/P7/8/8 w - - 0 1)

Shinkman, William Anthony

Holyoke Transcript, 1878

n7/1Rn5/3N4/Npk1Kp2/8/P7/8/8

#2

5 + 5

2638 White to Play 1913
5501 Chess Cameos 1936

SOLUTION

  • SOUND
  • Sets
    • 1...Sd5
      • 2.Rxb5#
    • 1...Sa6
      • 2.Rxb5#
    • 1...Se6
      • 2.Rxb5#
    • 1...Se8
      • 2.Rxb5#
    • 1...Sb6
      • 2.Rxc7#
    • 1...b4
      • 2.axb4#
    • 1...f4
      • 2.Se4#
  • Tries
    • 1.Rb6?
      • threat
        • 2.Rc6#
      • 1...Sxb6
        • 2.Sdb7#
      • 1...Kxb6!
  • Keys
    • 1.Rb8!
      • 1...Sd5
        • 2.Rxb5#
      • 1...Sa6
        • 2.Rxb5#
      • 1...Se6
        • 2.Rxb5#
      • 1...Se8
        • 2.Rxb5#
      • 1...Sb6
        • 2.Sdb7#
      • 1...b4
        • 2.axb4#
      • 1...f4
        • 2.Se4#

This is a version

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD::R1(E),XP(a)
    • S(e);N_GUARD,SBLOCK::R(E),XS(d)
    • P(a);OGATE::P(A),XP(a)
    • P(c);N_GUARD::S(D)
  • Tries
    • Try
      • R(E);
      • Threat
        • R1(E)
      • Vars
        • S(e);SBLOCK,XR(E)::S(D)
      • Refutation
        • K(b);S_FLIGHT,XR(E)
  • Actual
    • R(E);
    • Vars
      • S(d);N_GUARD::R1(E),XP(a)
      • S(e);SBLOCK::S(D)
      • P(a);OGATE::P(A),XP(a)
      • P(c);N_GUARD::S(D)
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