MESON Chess Problem Database

Problem Display
PID: 165963 (5r2/R1PB1p2/3n1Q1R/1pkN1p2/pp3P2/1P2N3/1P6/K4bb1 w - - 0 1)

Janevski, Zivko

Sachova skladba, 2012

5r2/R1PB1p2/3n1Q1R/1pkN1p2/pp3P2/1P2N3/1P6/K4bb1

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.Qb6#
    • 1...Sb7
      • 2.Qb6#
    • 1...Se8
      • 2.Qb6#
  • Tries
    • 1.Sc2?
      • threat
        • 2.Qxd6#
      • 1...Kxd5
        • 2.Qe5#
      • 1...Sc4
        • 2.Qc6#
      • 1...Se4
        • 2.Qc6#
      • 1...Sb7
        • 2.Qc6#
      • 1...Sc8
        • 2.Qc6#
      • 1...Se8
        • 2.Qc6#
      • 1...axb3!
    • 1.Sc3?
      • threat
        • 2.Qxd6#
      • 1...Kb6
        • 2.Qd4#
      • 1...Se4
        • 2.Qe5#
        • 2.Qb6#
      • 1...Sb7
        • 2.Qe5#
        • 2.Qb6#
      • 1...Sc8
        • 2.Qe5#
      • 1...Se8
        • 2.Qe5#
        • 2.Qb6#
      • 1...Sc4!
    • 1.Sb6?
      • threat
        • 2.Qxd6#
      • 1...Kxb6
        • 2.Qd4#
      • 1...Se4
        • 2.Qe5#
      • 1...Sb7
        • 2.Qe5#
      • 1...Sc8
        • 2.Qe5#
      • 1...Se8
        • 2.Qe5#
      • 1...Sc4!
    • 1.Se7?
      • threat
        • 2.Qxd6#
      • 1...Kb6
        • 2.Qd4#
      • 1...Se4
        • 2.Qe5#
        • 2.Qb6#
      • 1...Sb7
        • 2.Qe5#
        • 2.Qb6#
      • 1...Sc8
        • 2.Qe5#
      • 1...Se8
        • 2.Qe5#
        • 2.Qb6#
      • 1...Sc4!
    • 1.c8Q+?
      • 1...Sxc8
        • 2.Rc7#
      • 1...Rxc8!
    • 1.c8R+?
      • 1...Sxc8
        • 2.Rc7#
      • 1...Rxc8!
  • Keys
    • 1.Sxb4!
      • threat
        • 2.Qxd6#
      • 1...Kxb4
        • 2.Qc3#
      • 1...Kb6
        • 2.Qd4#
      • 1...Sc4
        • 2.Sa6#
      • 1...Se4
        • 2.Sa6#
      • 1...Sb7
        • 2.Sa6#
      • 1...Sc8
        • 2.Sa6#
      • 1...Se8
        • 2.Sa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(h);OGATE::QAB1(G)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAB1(G),XS(h)
      • Vars
        • K(f);OGATEB,P-FLIGHT,XS(F)::QAR1(G)
        • S(h);OGATE::QAR1(G)
      • Refutation
        • P(c);XP(C)
    • Try
      • S(F);
      • Threat
        • QAB1(G),XS(h)
      • Vars
        • K(f);P_SPINS(h),S_FLIGHT::QAB(G)
        • S(h);::QAR2(G)
      • Refutation
        • S(h);
    • Try
      • S(F);
      • Threat
        • QAB1(G),XS(h)
      • Vars
        • K(f);P_SPINS(h),S_FLIGHT,XS(F)::QAB(G)
        • S(h);::QAR2(G)
      • Refutation
        • S(h);
    • Try
      • S(F);
      • Threat
        • QAB1(G),XS(h)
      • Vars
        • K(f);P_SPINS(h),S_FLIGHT::QAB(G)
        • S(h);::QAR2(G)
      • Refutation
        • S(h);
    • Try
      • P(J);CHECK
      • Vars
        • S(h);XQ(J)::R(I)
      • Refutation
        • R(j);XQ(J)
    • Try
      • P(J);CHECK
      • Vars
        • S(h);XR(J)::R(I)
      • Refutation
        • R(j);XR(J)
  • Actual
    • S(F);XP(d)
    • Threat
      • QAB1(G),XS(h)
    • Vars
      • K(f);S_FLIGHT,XS(F)::QAB1(G)
      • K(f);P_SPINS(h),S_FLIGHT::QAB(G)
      • S(h);::S(F)
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