MESON Chess Problem Database

Problem Display
PID: 72119 (5K2/1p6/P1k2N2/Q3Bn2/4p1N1/1p6/3n4/8 w - - 0 1)

Einat, Paz

StrateGems, 2007

5K2/1p6/P1k2N2/Q3Bn2/4p1N1/1p6/3n4/8

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...b5
      • 2.Qc7#
    • 1...b6
      • 2.Qd5#
  • Tries
    • 1.Bd4?
      • threat
        • 2.Qb6#
        • 2.Qc5#
      • 1...Kd6
        • 2.Qb6#
      • 1...bxa6
        • 2.Qb6#
      • 1...b6
        • 2.Qxb6#
      • 1...Sc4
        • 2.Qc5#
      • 1...b5
        • 2.Qb6#
      • 1...Sxd4!
    • 1.Bc7?
      • threat
        • 2.Se5#
        • 2.Qb6#
      • 1...bxa6
        • 2.Qb6#
      • 1...b5
        • 2.Qb6#
      • 1...b6
        • 2.Qxb6#
      • 1...Sf3
        • 2.Qb6#
      • 1...Sc4!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Qc5#
      • 1...Kxd6
        • 2.Qb6#
      • 1...Sxd6
        • 2.Se5#
      • 1...bxa6
        • 2.Qxa6#
      • 1...b5
        • 2.Qc7#
      • 1...b6
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(f);SBLOCK::QAR1(B)
    • P(f);SBLOCK::QAB1(B)
  • Tries
    • Try
      • B(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(e);P-FLIGHT::QAR2(B)
        • P(f);XP(D)::QAR1(B)
        • P(f);::QAR1(B),XP(f)
        • S(a);::QAR1(B)
        • P(f);::QAR1(B)
      • Refutation
        • S(d);XB(C)
    • Try
      • B(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(f);XP(D)::QAR1(B)
        • P(f);::QAR1(B)
        • P(f);::QAR1(B),XP(f)
        • S(a);::QAR1(B)
      • Refutation
        • S(a);
  • Actual
    • B(C);
    • Threat
      • QAR1(B)
    • Vars
      • K(e);P-FLIGHT,XB(C)::QAR2(B)
      • S(d);SBLOCK,XB(C)::S(A)
      • P(f);OGATE,XP(D)::QAR2(B),XP(f)
      • P(f);SBLOCK::QAR1(B)
      • P(f);SBLOCK::QAB1(B)
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