MESON Chess Problem Database

Problem Display
PID: 265746 (5kN1/2PBp3/R3P2K/2r4p/4pp2/1Q6/q7/Br4R1 w - - 0 1)

Morenilla, Jose Carlos

Uris-60 JT (Problemas), 2022

5kN1/2PBp3/R3P2K/2r4p/4pp2/1Q6/q7/Br4R1

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qb2
      • 2.Ra8#
    • 1...Qc2
      • 2.Ra8#
    • 1...Qd2
      • 2.Ra8#
    • 1...Qe2
      • 2.Ra8#
    • 1...Qf2
      • 2.Ra8#
    • 1...Qg2
      • 2.Ra8#
    • 1...Qh2
      • 2.Ra8#
    • 1...Rxa1
      • 2.Qb8#
    • 1...Rbc1
      • 2.Qb8#
    • 1...Rd1
      • 2.Qb8#
    • 1...Re1
      • 2.Qb8#
    • 1...Rf1
      • 2.Qb8#
    • 1...Rxg1
      • 2.Qb8#
    • 1...Ra5
      • 2.c8Q#
      • 2.c8R#
    • 1...Rb5
      • 2.c8Q#
      • 2.c8R#
    • 1...Rd5
      • 2.c8Q#
      • 2.c8R#
    • 1...Re5
      • 2.c8Q#
      • 2.c8R#
    • 1...Rf5
      • 2.c8Q#
      • 2.c8R#
    • 1...Rg5
      • 2.c8Q#
      • 2.c8R#
  • Tries
    • 1.Sf6?
      • threat
        • 2.Sh7#
        • 2.Rg8#
      • 1...Rxg1
        • 2.Qb8#
      • 1...Qg2
        • 2.Ra8#
      • 1...Rg5
        • 2.c8Q#
        • 2.c8R#
      • 1...exf6!
  • Keys
    • 1.Bf6!
      • threat
        • 2.Bxe7#
      • 1...Rxg1
        • 2.Qb8#
      • 1...exf6
        • 2.e7#
      • 1...Qg2
        • 2.Ra8#
      • 1...Rg5
        • 2.c8Q#
        • 2.c8R#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 11
  • Sets
    • Q(b);N_GUARD::R(D)
    • R(a);N_GUARD,XB(A)::QAR(C)
    • R(a);N_GUARD::QAR(C)
    • R(a);N_GUARD,XR(B)::QAR(C)
    • R(e);N_GUARD::P=Q
  • Tries
    • Try
      • S(I);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);N_GUARD,XR(B)::QAR(C)
        • Q(b);N_GUARD::R(D)
        • R(e);N_GUARD::P=Q
      • Refutation
        • P(g);XS(I)
  • Actual
    • B(A);
    • Threat
      • B(A),XP(g)
    • Vars
      • R(a);N_GUARD,XR(B)::QAR(C)
      • P(g);OGATE,XB(A)::P(E)
      • Q(b);N_GUARD::R(D)
      • R(e);N_GUARD::P=Q
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