MESON Chess Problem Database

Problem Display
PID: 265762 (2Q2K2/1Nb5/3nR3/1pPkNP2/3P4/pP1pP3/4p3/4q1B1 w - - 0 1)

Zaragoza, Luis

Uris-60 JT (Problemas), 2022

2Q2K2/1Nb5/3nR3/1pPkNP2/3P4/pP1pP3/4p3/4q1B1

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ba5
      • 2.Qc6#
    • 1...Bb6
      • 2.Qc6#
    • 1...Bb8
      • 2.Qc6#
    • 1...Bd8
      • 2.Qc6#
    • 1...Sxb7
      • 2.Qxb7#
  • Tries
    • 1.Sg6?
      • threat
        • 2.Se7#
      • 1...Kc6
        • 2.Se7#
        • 2.Rxd6#
      • 1...Sxf5
        • 2.e4#
      • 1...Sxc8
        • 2.e4#
      • 1...Bd8
        • 2.Sf4#
        • 2.Re5#
      • 1...Qh4!
    • 1.Sxd6?
      • threat
        • 2.Qb7#
        • 2.Qa8#
        • 2.e4#
      • 1...Qxg1
        • 2.Qb7#
        • 2.Qa8#
      • 1...Qf2
        • 2.Qb7#
        • 2.Qa8#
      • 1...Qh4
        • 2.Qb7#
        • 2.Qa8#
      • 1...Qa5
        • 2.Qb7#
        • 2.e4#
      • 1...Bb8
        • 2.Qb7#
        • 2.Qc6#
        • 2.e4#
      • 1...Bxd6+!
    • 1.Qa8?
      • threat
        • 2.Sxd6#
      • 1...Ke4
        • 2.Sxd6#
      • 1...Sxf5
        • 2.Sd8#
      • 1...Sxb7
        • 2.Qxb7#
      • 1...Sc4
        • 2.Sa5#
        • 2.Sd6#
        • 2.Sd8#
      • 1...Se4
        • 2.Sa5#
        • 2.Sd6#
        • 2.Sd8#
      • 1...Sf7
        • 2.Sa5#
        • 2.Sd6#
        • 2.Sd8#
      • 1...Sc8
        • 2.Sa5#
        • 2.Sd6#
        • 2.Sd8#
      • 1...Se8
        • 2.Sa5#
        • 2.Sd6#
        • 2.Sd8#
      • 1...Qa5!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Se7#
      • 1...Kxc6
        • 2.Rxd6#
      • 1...Sxf5
        • 2.e4#
      • 1...Sxc8
        • 2.e4#
      • 1...Qh4
        • 2.Sb4#
      • 1...Bd8
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • B(h);OGATE::QAB1(J)
    • S(g);OGATE,XS(I)::QAB(J),XS(g)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • S(g);N_GUARD,XP(G)::P(C)
        • S(g);N_GUARD,XQ(J)::P(C)
      • Refutation
        • Q(a);
    • Try
      • S(I);XS(g)
      • Threat
        • DUALS(3)
      • Refutation
        • B(h);CHECK,XS(I)
    • Try
      • Q(J);
      • Threat
        • QAB(J)+S(I),XS(g)
      • Vars
        • K(f);S_FLIGHT::QAB(J)+S(I),DCHECK,XS(g)
        • S(g);N_GUARD,XP(G)::QAB(J)+S(I)
        • S(g);OGATE,P_SPINS(g),XS(I)::QAB(J),XS(g)
      • Refutation
        • Q(a);
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(f);N_GUARD,P_SPINB(h),P_SPINS(g),S_FLIGHT,XS(F)::R1(H),XS(g)
      • S(g);N_GUARD,XP(G)::P(C)
      • S(g);N_GUARD,XQ(J)::P(C)
      • Q(a);N_GUARD::S(F)
      • B(h);::R1(H)
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