MESON Chess Problem Database

Problem Display
PID: 265756 (8/3p1Q2/K2P4/B1bpk1pp/4p1r1/2nP2PB/1N2N3/3RR3 w - - 0 1)

Parcerisa, Jose Antonio Lopez

Uris-60 JT (Problemas), 2022

8/3p1Q2/K2P4/B1bpk1pp/4p1r1/2nP2PB/1N2N3/3RR3

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd6
      • 2.Qf6#
    • 1...Rxg3
      • 2.Qe7#
    • 1...Rf4
      • 2.Qe7#
    • 1...Rh4
      • 2.Qe7#
    • 1...Bxd6
      • 2.d4#
    • 1...d4
      • 2.Sc4#
  • Tries
    • 1.Bd8?
      • threat
        • 2.Qf6#
      • 1...Kxd6
        • 2.Qf6#
      • 1...Rf4
        • 2.Qe7#
      • 1...d4
        • 2.Sc4#
      • 1...exd3!
    • 1.Rf1?
      • threat
        • 2.Qf6#
        • 2.Qe7#
      • 1...Kxd6
        • 2.Qf6#
      • 1...Bxd6
        • 2.Rf5#
        • 2.Qf5#
        • 2.Qf6#
        • 2.d4#
      • 1...Sxe2
        • 2.Qf6#
      • 1...exd3
        • 2.Qe7#
      • 1...Rf4
        • 2.Qe7#
      • 1...d4
        • 2.Sc4#
      • 1...Bf2!
    • 1.Qf5+?
      • 1...Kxd6
        • 2.Qf6#
      • 1...Kxf5!
    • 1.d4+?
      • 1...Kxd6
        • 2.Qf6#
      • 1...Bxd4!
  • Keys
    • 1.dxe4!
      • threat
        • 2.Qe7#
      • 1...Kxe4
        • 2.Sxc3#
      • 1...Kxd6
        • 2.Qf6#
      • 1...Bxd6
        • 2.Qf5#
      • 1...Sxe4
        • 2.Rxd5#
      • 1...dxe4
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • K(f);N_GUARD,S_FLIGHT,XP(J)::QAR2(K)
    • R(c);XP(F)::QAR2(K)
    • R(c);::QAR2(K)
    • B(d);N_GUARD,SBLOCK,XP(J)::P(E)
    • P(e);N_GUARD::S(C)
  • Tries
    • Try
      • B(H);
      • Threat
        • QAB1(K)
      • Vars
        • K(f);S_FLIGHT,XP(J)::QAR2(K)
        • R(c);::QAR2(K)
        • P(e);N_GUARD::S(C)
      • Refutation
        • P(b);XP(E)
    • Try
      • R(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(f);S_FLIGHT,XP(J)::QAR2(K)
        • S(a);XS(D)::QAB1(K)
        • P(b);XP(E)::QAR2(K)
        • R(c);::QAR2(K)
        • P(e);N_GUARD::S(C)
      • Refutation
        • B(d);
    • Try
      • Q(K);CHECK
      • Vars
        • K(f);N_GUARD,S_FLIGHT,XP(J)::QAR2(K)
      • Refutation
        • K(f);P-FLIGHT,P_SPINR(c),XQ(K)
    • Try
      • P(E);CHECK
      • Vars
        • K(f);N_GUARD,S_FLIGHT,XP(J)::QAR2(K)
      • Refutation
        • B(d);XP(E)
  • Actual
    • P(E);XP(b)
    • Threat
      • QAR2(K)
    • Vars
      • K(f);P-FLIGHT,XP(E)::R(B)+S(D),DCHECK,XS(a)
      • K(f);N_GUARD,P_SPINP(e),S_FLIGHT,XP(J)::QAR2(K)
      • B(d);SBLOCK,XP(J)::QAR1(K)
      • S(a);N_GUARD,SBLOCK,XP(E)::R1(A),XP(e)
      • P(e);N_GUARD,SBLOCK,XP(E)::S(C)
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