MESON Chess Problem Database

Problem Display
PID: 57816 (8/6n1/1N1R1n1N/1p2k3/8/B3PP2/8/K7 w - - 0 1)

Anonymous

Source?, 0000

8/6n1/1N1R1n1N/1p2k3/8/B3PP2/8/K7

#2

7 + 4

7450 Telescacco 92 2000
5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.Sd7#
      • 2.f4#
    • 1...Sg4
      • 2.Sd7#
    • 1...Sd5
      • 2.Sd7#
    • 1...Sfh5
      • 2.Sd7#
    • 1...Sd7
      • 2.Sxd7#
    • 1...Sh7
      • 2.Sd7#
    • 1...Sfe8
      • 2.Sd7#
    • 1...Sg8
      • 2.Sd7#
    • 1...Sf5
      • 2.Sf7#
    • 1...b4
      • 2.Sc4#
  • Tries
    • 1.Rxf6?
      • threat
        • 2.Sg4#
        • 2.Bb2#
      • 1...Sf5
        • 2.Sg4#
      • 1...Se6
        • 2.Sg4#
        • 2.Rf5#
      • 1...Kxf6!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Bb2#
      • 1...Se4
        • 2.f4#
      • 1...Sd5
        • 2.Sd7#
      • 1...Sf5
        • 2.Sf7#
      • 1...Se6
        • 2.Bd6#

This anticipates 101357(1918), 718(1942)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • S(c);N_GUARD::S(E)
    • S(c);N_GUARD::S(E),XS(c)
    • S(d);SBLOCK::S(G)
    • P(a);N_GUARD::S(E)
  • Tries
    • Try
      • R(F);XS(c)
      • Threat
        • DUALS(2)
      • Vars
        • S(d);::S(G)
      • Refutation
        • K(b);S_FLIGHT,XR(F)
  • Actual
    • R(F);
    • Threat
      • B(B)
    • Vars
      • S(c);SBLOCK::P(D)
      • S(c);N_GUARD,SBLOCK::S(E)
      • S(d);SBLOCK::S(G)
      • S(d);SBLOCK::B(B)
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