MESON Chess Problem Database

Problem Display
PID: 73126 (5K2/4p3/1R6/Qn3B2/pNk1NR2/B7/pn1P3b/1r1b1q2 w - - 0 1)

Kriuckov, Pavel

Tijdschrift vd KNSB, 1936

5K2/4p3/1R6/Qn3B2/pNk1NR2/B7/pn1P3b/1r1b1q2

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sxa3
      • 2.Qd5#
    • 1...Sd4
      • 2.Qd5#
    • 1...Sd6
      • 2.Qd5#
    • 1...Sa7
      • 2.Qd5#
  • Tries
    • 1.Sd6+?
      • 1...Kc5
        • 2.Sb7#
        • 2.Rc6#
        • 2.d4#
      • 1...Kb3!
    • 1.Qxb5+?
      • 1...Kd4
        • 2.Sc6#
        • 2.Qc5#
        • 2.Qd5#
      • 1...Kb3!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qxb5#
      • 1...Kb3
        • 2.Qc3#
      • 1...Kd3
        • 2.Sg3#
      • 1...Kd5
        • 2.Sc3#
      • 1...Sxa3
        • 2.Sd6#
      • 1...Sd3
        • 2.Be6#
      • 1...Sc3
        • 2.Sd6#
      • 1...Sd4
        • 2.Se5#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sa7
        • 2.Sd6#
      • 1...Sc7
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(i);OGATE,XB(B)::QAB1(F)
    • S(i);OGATE::QAB1(F)
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(h);S_FLIGHT
    • Try
      • Q(F);CHECK,XS(i)
      • Refutation
        • K(h);S_FLIGHT
  • Actual
    • S(C);
    • Threat
      • QAB1(F),XS(i)
    • Vars
      • K(h);P_SPINS(i),S_FLIGHT::QAR1(F)
      • K(h);S_FLIGHT::B(G)+S(D)
      • K(h);P_SPINS(i),S_FLIGHT::S(D)
      • S(i);XB(B)::R(E)+S(D),DCHECK
      • S(e);SBLOCK::B(G)
      • S(i);::R(E)+S(D),DCHECK
      • S(i);SBLOCK::S(C)
      • S(i);::R(E)+S(D),DCHECK,XS(i)
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