MESON Chess Problem Database

Problem Display
PID: 206048 (8/8/1p3p2/8/p1Pk1p2/B2N1K2/2Q1P3/b7 w - - 0 1)

Tompuri, Ismo

Tehtavaniekka, 2018

8/8/1p3p2/8/p1Pk1p2/B2N1K2/2Q1P3/b7

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Bxb2#
    • 1...b5
      • 2.Bc5#
  • Tries
    • 1.Be7?
      • threat
        • 2.Bxf6#
      • 1...f5
        • 2.Bf6#
      • 1...Bc3!
    • 1.Qc1?
      • 1...Bc3
        • 2.Qxf4#
      • 1...Bb2
        • 2.Bxb2#
      • 1...b5
        • 2.Bc5#
      • 1...f5!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sc6#
      • 1...Kxe5
        • 2.Qe4#
      • 1...fxe5
        • 2.Qd3#
      • 1...Bc3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::B(C),XB(a)
    • P(e);N_GUARD::B(C)
  • Tries
    • Try
      • B(C);
      • Threat
        • B(C),XP(f)
      • Vars
        • P(f);::B(C)
      • Refutation
        • B(a);
    • Try
      • Q(A);
      • Vars
        • B(a);SBLOCK::QAR2(A),XP(d)
        • B(a);N_GUARD::B(C),XB(a)
        • P(e);N_GUARD::B(C)
      • Refutation
        • P(f);
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(c);S_FLIGHT,XS(D)::QAR1(A)
      • P(f);SBLOCK,XS(D)::QAR1(A)
      • B(a);SBLOCK::QAR1(A)
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