MESON Chess Problem Database

Problem Display
PID: 107869 (8/4pN1K/R2bk3/8/BP6/3P1p1P/3N4/5R2 w - - 0 1)

Campo, Achille

Lodz Fanfulla da, 1887

8/4pN1K/R2bk3/8/BP6/3P1p1P/3N4/5R2

#2

9 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd6+?
      • 1...Kf5
        • 2.Rxf3#
      • 1...Kxf7
        • 2.Rxf3#
      • 1...exd6!
  • Keys
    • 1.Sxf3!
      • 1...Kd5
        • 2.Bb3#
      • 1...Kf5
        • 2.Sd4#
      • 1...Kf6
        • 2.Sd4#
        • 2.S3g5#
      • 1...Kxf7
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);CHECK,XB(b)
      • Vars
        • K(c);P_SPINP(a),S_FLIGHT::R(A),XP(a)
        • K(c);P_SPINP(a),S_FLIGHT,XS(H)::R(A),XP(a)
      • Refutation
        • P(d);XR(G)
  • Actual
    • S(B);XP(a)
    • Vars
      • K(c);N_SPINB(b),S_FLIGHT::B(E)
      • K(c);N_SPINB(b),S_FLIGHT::R(A)+S(B),DCHECK
      • K(c);N_SPINB(b),S_FLIGHT,XS(H)::R(A)+S(B),DCHECK
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