MESON Chess Problem Database

Problem Display
PID: 206140 (1B6/5Kb1/1p2NpR1/2pkP3/B5p1/3P4/b4PP1/6Q1 w - - 0 1)

Handloser, Ralf Chris

Probleemblad, 2017

1B6/5Kb1/1p2NpR1/2pkP3/B5p1/3P4/b4PP1/6Q1

#2

10 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Qa1?
      • threat
        • 2.Sf4#
        • 2.Sc7#
      • 1...fxe5
        • 2.Sc7#
      • 1...Bh6
        • 2.Sc7#
      • 1...c4
        • 2.Qd4#
      • 1...b5!
    • 1.f3?
      • threat
        • 2.Sf4#
      • 1...fxe5
        • 2.Sc7#
      • 1...b5
        • 2.Qxc5#
      • 1...Bh6!
  • Keys
    • 1.f4!
      • threat
        • 2.Sc7#
      • 1...gxf4 ep
        • 2.Sf4#
      • 1...b5
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(f);XP(F)::S(G)
        • B(g);::S(G)
        • P(c);N_GUARD::QAR1(A)
      • Refutation
        • P(e);
    • Try
      • P(B);
      • Threat
        • S(G)
      • Vars
        • P(f);SBLOCK,XP(F)::S(G)
        • P(e);N_GUARD::QAR1(A),XP(c)
      • Refutation
        • B(g);
  • Actual
    • P(B);
    • Threat
      • S(G)
    • Vars
      • P(b);EP,XP(B)::S(G)
      • P(e);N_GUARD::QAR1(A),XP(c)
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