MESON Chess Problem Database

Problem Display
PID: 176316 (3B1bNQ/2Rpr1rB/1N2p3/3bk3/7P/5pP1/3R1K2/8 w - - 0 1)

Benedek, Attila

Schach-Echo, 1971

3B1bNQ/2Rpr1rB/1N2p3/3bk3/7P/5pP1/3R1K2/8

#2

10 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Sc4#
    • 1...Bc4
      • 2.Sxc4#
    • 1...Be4
      • 2.Sc4#
    • 1...Bc6
      • 2.Sc4#
    • 1...Bb7
      • 2.Sc4#
    • 1...Ba8
      • 2.Sc4#
  • Tries
    • 1.Bxe7?
      • threat
        • 2.Sxd7#
      • 1...Bc6
        • 2.Sc4#
        • 2.Bf6#
      • 1...d6
        • 2.Sd7#
        • 2.Bf6#
      • 1...Bxe7!
  • Keys
    • 1.Sh6!
      • 1...Kd6
        • 2.Sc4#
      • 1...Kf6
        • 2.Sxd7#
      • 1...Rf7
        • 2.Sxf7#
      • 1...Re8
        • 2.Sf7#
      • 1...Ba2
        • 2.Sg4#
      • 1...Bb3
        • 2.Sg4#
      • 1...Bc4
        • 2.Sg4#
      • 1...Be4
        • 2.Sg4#
      • 1...Bc6
        • 2.Sg4#
      • 1...Bb7
        • 2.Sg4#
      • 1...Ba8
        • 2.Sg4#
      • 1...d6
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 5
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINR(g),P_SPINB(b),S_FLIGHT::S(E)
    • B(b);N_GUARD::S(E),XB(b)
    • B(b);N_GUARD::S(E)
  • Tries
    • Try
      • B(H);XR(f)
      • Threat
        • S(E),XP(e)
      • Refutation
        • B(h);XB(H)
  • Actual
    • S(I);
    • Vars
      • K(c);N_SPINR(g),P_SPINB(b),S_FLIGHT::S(E)
      • K(c);N_SPINR(g),P_SPINR(f),S_FLIGHT::S(E),XP(e)
      • R(f);N_GUARD::S(I),XR(f)
      • R(f);N_GUARD::S(I)
      • B(b);::S(I)
      • P(e);SBLOCK::S(I)
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