MESON Chess Problem Database

Problem Display
PID: 11207 (2B5/prP5/kp4R1/P4R2/8/8/1B6/1K6 w - - 0 1)

Pickering, SA

Chess, 1937

2B5/prP5/kp4R1/P4R2/8/8/1B6/1K6

#2

7 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Rg1?
      • 1...bxa5
        • 2.Rg6#
      • 1...b5!
    • 1.Rg2?
      • 1...bxa5
        • 2.Rg6#
      • 1...b5!
    • 1.Rg3?
      • 1...bxa5
        • 2.Rg6#
      • 1...b5!
    • 1.Rg4?
      • 1...bxa5
        • 2.Rg6#
      • 1...b5!
    • 1.Rgg5?
      • 1...bxa5
        • 2.Rf6#
        • 2.Rg6#
      • 1...b5!
    • 1.Rg7?
      • 1...bxa5
        • 2.Rg6#
      • 1...b5!
    • 1.Rg8?
      • 1...bxa5
        • 2.Rg6#
      • 1...b5!
  • Keys
    • 1.Bf6!
      • 1...bxa5+
        • 2.Bb2#
      • 1...b5
        • 2.Bc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);N_PINP(b)
      • Vars
        • P(b);OGATEB,P_PINB(B),XP(C)::R(E)
      • Refutation
        • P(b);
    • Try
      • R(E);N_PINP(b)
      • Vars
        • P(b);OGATEB,P_PINB(B),XP(C)::R(E)
      • Refutation
        • P(b);
    • Try
      • R(E);N_PINP(b)
      • Vars
        • P(b);OGATEB,P_PINB(B),XP(C)::R(E)
      • Refutation
        • P(b);
    • Try
      • R(E);N_PINP(b)
      • Vars
        • P(b);OGATEB,P_PINB(B),XP(C)::R(E)
      • Refutation
        • P(b);
    • Try
      • R(E);N_PINP(b)
      • Refutation
        • P(b);
    • Try
      • R(E);N_PINP(b)
      • Vars
        • P(b);OGATEB,P_PINB(B),XP(C)::R(E)
      • Refutation
        • P(b);
    • Try
      • R(E);N_PINP(b)
      • Vars
        • P(b);OGATEB,P_PINB(B),XP(C)::R(E)
      • Refutation
        • P(b);
  • Actual
    • B(B);N_PINP(b)
    • Vars
      • P(b);CHECK,OGATEB,XP(C)::R(E)+B(B)
      • P(b);OGATEB::R(E)+B(B)
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