MESON Chess Problem Database

Problem Display
PID: 269882 (6K1/1p6/1N1n2B1/2nNp3/3k4/2ppp3/8/7Q w - - 0 1)

Uris, Miguel

Tehtavaniekka, 2021

6K1/1p6/1N1n2B1/2nNp3/3k4/2ppp3/8/7Q

#2

5 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...c2
      • 2.Qa1#
    • 1...e2
      • 2.Qg1#
    • 1...e4
      • 2.Qh8#
  • Tries
    • 1.Sf4?
      • threat
        • 2.Qd5#
      • 1...Sce4
        • 2.Se6#
      • 1...c2
        • 2.Qa1#
      • 1...e2
        • 2.Qg1#
      • 1...e4
        • 2.Qh8#
      • 1...Sde4!
    • 1.Se7?
      • threat
        • 2.Qd5#
      • 1...c2
        • 2.Qa1#
      • 1...e2
        • 2.Qg1#
      • 1...e4
        • 2.Qh8#
      • 1...Sde4
        • 2.Sf5#
      • 1...Sce4!
    • 1.Qc1?
      • threat
        • 2.Qxe3#
        • 2.Qxc3#
      • 1...Sa4
        • 2.Qxe3#
      • 1...Sce4
        • 2.Qxe3#
      • 1...e4
        • 2.Qxc3#
      • 1...Sde4
        • 2.Qxe3#
      • 1...Sc4
        • 2.Qxc3#
      • 1...Sb5
        • 2.Qxe3#
      • 1...c2
        • 2.Qb2#
        • 2.Qxe3#
        • 2.Qa1#
      • 1...d2
        • 2.Qxc3#
      • 1...e2
        • 2.Qe3#
        • 2.Qg1#
        • 2.Qxc3#
      • 1...Sf5!
    • 1.Qe1?
      • threat
        • 2.Qxc3#
        • 2.Qxe3#
      • 1...Sa4
        • 2.Qxe3#
      • 1...Sce4
        • 2.Qxe3#
      • 1...e4
        • 2.Qxc3#
      • 1...Sde4
        • 2.Qxe3#
      • 1...Sc4
        • 2.Qxc3#
      • 1...Sb5
        • 2.Qxe3#
      • 1...c2
        • 2.Qc3#
        • 2.Qa1#
        • 2.Qxe3#
      • 1...d2
        • 2.Qxe3#
      • 1...e2
        • 2.Qf2#
        • 2.Qxc3#
        • 2.Qg1#
      • 1...Sf5!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Qd5#
      • 1...Sce4
        • 2.Se6#
      • 1...c2
        • 2.Qa1#
      • 1...e2
        • 2.Qg1#
      • 1...e4
        • 2.Qh8#
      • 1...Sde4
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATEB::QAB(A)
    • P(c);OGATEB::QAB(A)
    • P(f);OGATEB::QAB(A)
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR1(A)
      • Vars
        • S(e);N_GUARD::S(B)
        • P(a);OGATEB::QAB(A)
        • P(c);OGATEB::QAB(A)
        • P(f);OGATEB::QAB(A)
      • Refutation
        • S(g);
    • Try
      • S(B);
      • Threat
        • QAR1(A)
      • Vars
        • P(a);OGATEB::QAB(A)
        • P(c);OGATEB::QAB(A)
        • P(f);OGATEB::QAB(A)
        • S(g);N_GUARD::S(B)
      • Refutation
        • S(e);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(e);::QAB1(A),XP(c)
        • P(f);::QAB1(A),XP(a)
        • S(g);::QAB1(A),XP(c)
        • S(g);::QAB1(A),XP(a)
        • P(b);::QAB1(A),XP(a)
      • Refutation
        • S(g);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(e);::QAB1(A),XP(c)
        • P(f);::QAB1(A),XP(a)
        • S(g);::QAB1(A),XP(c)
        • S(g);::QAB1(A),XP(a)
        • P(b);::QAB1(A),XP(c)
      • Refutation
        • S(g);
  • Actual
    • S(B);
    • Threat
      • QAR1(A)
    • Vars
      • S(e);N_GUARD::S(B)
      • P(a);OGATEB::QAB(A)
      • P(c);OGATEB::QAB(A)
      • P(f);OGATEB::QAB(A)
      • S(g);N_GUARD::S(B)
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