MESON Chess Problem Database

Problem Display
PID: 21173 (5NN1/3p3r/6Q1/1Ppnk3/2B5/8/8/K1B5 w - - 0 1)

Guidelli, Giorgio

4th HM., Good Companions (February Meredith Ty.), 1917

5NN1/3p3r/6Q1/1Ppnk3/2B5/8/8/K1B5

#2

7 + 5

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Bb2#
  • Tries
    • 1.Sxd7+?
      • 1...Kd4
        • 2.Qd3#
      • 1...Rxd7!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qxd5#
      • 1...Kd6
        • 2.Bf4#
      • 1...Sc3
        • 2.Sg6#
      • 1...Se3
        • 2.Sg6#
      • 1...Sb4
        • 2.Sg6#
      • 1...Sf4
        • 2.Bb2#
      • 1...Sb6
        • 2.Sg6#
      • 1...Sf6
        • 2.Sg6#
      • 1...Sc7
        • 2.Sg6#
      • 1...Se7
        • 2.Sxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD,SBLOCK::B(B)
  • Tries
    • Try
      • S(F);CHECK,XP(d)
      • Vars
        • K(c);S_FLIGHT::QAR1(E)
      • Refutation
        • R(e);XS(F)
  • Actual
    • Q(E);
    • Threat
      • QAR1(E),XS(b)
    • Vars
      • K(c);P_SPINS(b),S_FLIGHT::B(B)
      • S(b);::S(F)
      • S(b);N_GUARD,SBLOCK::B(B)
      • S(b);S_CUTR(e)::S(F),XP(d)
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