MESON Chess Problem Database

Problem Display
PID: 144359 (5K2/4p3/4R3/1bBkNP2/1P6/n3R3/4p3/3B4 w - - 0 1)

Thibaud, M

diagrammes, 1973

5K2/4p3/4R3/1bBkNP2/1P6/n3R3/4p3/3B4

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...e1Q
      • 2.Bf3#
    • 1...e1B
      • 2.Bf3#
    • 1...e1R
      • 2.Bf3#
  • Tries
    • 1.Sd7?
      • threat
        • 2.Sb6#
      • 1...Kc4
        • 2.Sb6#
        • 2.Bb3#
      • 1...Sc4
        • 2.Rd3#
      • 1...Bxd7!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sb6#
      • 1...Kxc4
        • 2.Bb3#
      • 1...Bxc4
        • 2.R3e5#
      • 1...Sxc4
        • 2.Rd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • P(a);OGATE::B(A)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • S(b);SBLOCK,S_CUTB(c)::R(B)
      • Refutation
        • B(c);XS(E)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(E)::B(A)
      • B(c);SBLOCK,XS(E)::R1(B)
      • S(b);SBLOCK,XS(E)::R(B)
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