MESON Chess Problem Database

Problem Display
PID: 200182 (1B3Q2/5p1K/2n1b3/5kNp/R2nN3/1q3p2/2p5/b5R1 w - - 0 1)

Dittrich, Stefan

Suomen Shakki, 1990

1B3Q2/5p1K/2n1b3/5kNp/R2nN3/1q3p2/2p5/b5R1

#2

7 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...f6
      • 2.Qxf6#
  • Tries
    • 1.Qh6?
      • threat
        • 2.Qf6#
      • 1...Sb5
        • 2.Sg3#
      • 1...f6
        • 2.Qxf6#
        • 2.Qg6#
      • 1...Se2!
    • 1.Qh8?
      • threat
        • 2.Qf6#
      • 1...Se2
        • 2.Sd6#
      • 1...f6
        • 2.Qxf6#
      • 1...Sb5!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qf6#
      • 1...Se2
        • 2.Sd6#
      • 1...Sb5
        • 2.Sg3#
      • 1...f6
        • 2.Qxf6#
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(j);OGATE::QAR1(G),XP(j)
  • Tries
    • Try
      • Q(G);N_PINP(j)
      • Threat
        • QAR1(G)
      • Vars
        • S(e);::S(C)
      • Refutation
        • S(e);
    • Try
      • Q(G);N_PINP(j)
      • Threat
        • QAR1(G)
      • Vars
        • S(e);::S(C)
        • P(j);::QAR1(G),XP(j)
      • Refutation
        • S(e);
  • Actual
    • Q(G);N_PINP(j)
    • Threat
      • QAR1(G)
    • Vars
      • S(e);::S(C)
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