MESON Chess Problem Database

Problem Display
PID: 162971 (6K1/5p2/6pk/7p/5R1P/4P3/8/2B4b w - - 0 1)

Ragonesi, Marcello

Best Problems, 2012

6K1/5p2/6pk/7p/5R1P/4P3/8/2B4b

#2

5 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...g5
      • 2.Rf6#
  • Tries
    • 1.Bb2?
      • threat
        • 2.Bg7#
      • 1...g5
        • 2.Rf6#
      • 1...f6!
    • 1.Rxf7?
      • threat
        • 2.Rh7#
      • 1...g5
        • 2.Rf6#
      • 1...Bd5!
    • 1.e4?
      • threat
        • 2.Rf6#
      • 1...f6
        • 2.Rxf6#
      • 1...f5!
  • Keys
    • 1.Ba3!
      • threat
        • 2.Bf8#
      • 1...g5
        • 2.Rf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB::R(C)
  • Tries
    • Try
      • B(A);
      • Threat
        • B(A)
      • Vars
        • P(c);OGATEB::R(C)
      • Refutation
        • P(e);
    • Try
      • R(C);XP(e)
      • Threat
        • R1(C)
      • Vars
        • P(c);OGATEB::R(C)
      • Refutation
        • B(a);P_PINR(C)
    • Try
      • P(B);
      • Threat
        • B(A)+R(C)
      • Vars
        • P(e);::B(A)+R(C),XP(e)
      • Refutation
        • P(e);
  • Actual
    • B(A);
    • Threat
      • B(A)
    • Vars
      • P(c);OGATEB::R(C)
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