MESON Chess Problem Database

Problem Display
PID: 120078 (2R2K1k/1b3p1r/8/8/8/p7/8/2B4R w - - 0 1)

Kabes, Vlastimil

Ruch, 1947

2R2K1k/1b3p1r/8/8/8/p7/8/2B4R

#2

4 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rh2
      • 2.Rxh2#
    • 1...Rh3
      • 2.Rxh3#
    • 1...Rh4
      • 2.Rxh4#
    • 1...Rh5
      • 2.Rxh5#
    • 1...Rh6
      • 2.Rxh6#
  • Tries
    • 1.Bb2+?
      • 1...f6
        • 2.Bxf6#
      • 1...axb2!
  • Keys
    • 1.Bh6!
      • threat
        • 2.Bg7#
      • 1...Rxh6
        • 2.Rxh6#
      • 1...Bxh1
        • 2.Ke7#
      • 1...Rg7
        • 2.Bxg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(d);OGATEB::R(B),XR(d)
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • P(c);P_SPINP(c)::B(A),XP(c)
      • Refutation
        • P(a);XB(A)
  • Actual
    • B(A);N_PINR(d)
    • Threat
      • B(A)
    • Vars
      • R(d);OGATE,P_SPINR(d),XB(A)::R(B),XR(d)
      • B(b);N_GUARD,XR(B)::R(C)+K(D)
      • R(d);::R(B)+B(A),DCHECK,XR(d)
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