MESON Chess Problem Database

Problem Display
PID: 249835 (4k3/2K1p3/8/p7/R7/8/8/4BR2 w - - 0 1)

Zimmer, Eligiusz

Uralski Problemist, 2008

4k3/2K1p3/8/p7/R7/8/8/4BR2

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Re4?
      • 1...e5
        • 2.Rxe5#
      • 1...e6
        • 2.Rxe6#
      • 1...a4!
    • 1.Rxa5?
      • threat
        • 2.Ra8#
      • 1...e5
        • 2.Rxe5#
      • 1...e6!
  • Keys
    • 1.Bb4!
      • 1...axb4
        • 2.Ra8#
      • 1...e5
        • 2.Rf8#
      • 1...e6
        • 2.Rf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);P_PINP(b)
      • Vars
        • P(b);OGATEB::R(C),XP(b)
      • Refutation
        • P(a);
    • Try
      • R(C);XP(a)
      • Threat
        • R(C)
      • Vars
        • P(b);OGATEB::R(C),XP(b)
      • Refutation
        • P(b);
  • Actual
    • B(A);
    • Vars
      • P(a);OGATE,XB(A)::R(C)
      • P(b);::R1(B)
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