MESON Chess Problem Database

Problem Display
PID: 180601 (4Q3/1p5p/2n3n1/4p3/1pp1k1pp/4N3/2PBN1P1/4K3 w - - 0 1)

Mariz Garcia, J

Problem Observer, 2012

4Q3/1p5p/2n3n1/4p3/1pp1k1pp/4N3/2PBN1P1/4K3

#2

7 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...b5
      • 2.Qxc6#
    • 1...b6
      • 2.Qxc6#
    • 1...h5
      • 2.Qxg6#
    • 1...h6
      • 2.Qxg6#
  • Tries
    • 1.Qd7?
      • threat
        • 2.Qf5#
        • 2.Qd5#
      • 1...Sd4
        • 2.Qd5#
      • 1...Sf4
        • 2.Qf5#
      • 1...Sge7
        • 2.Qxg4#
      • 1...Sce7!
    • 1.Qf7?
      • threat
        • 2.Qd5#
        • 2.Qf5#
      • 1...Sd4
        • 2.Qd5#
      • 1...Sce7
        • 2.Qxc4#
      • 1...Sf4
        • 2.Qf5#
      • 1...Sge7!
    • 1.Qc8?
      • threat
        • 2.Qf5#
      • 1...Sce7
        • 2.Qxc4#
      • 1...Sge7
        • 2.Qxg4#
      • 1...Sd4!
    • 1.Qg8?
      • threat
        • 2.Qd5#
      • 1...Sce7
        • 2.Qxc4#
      • 1...Sge7
        • 2.Qxg4#
      • 1...Sf4!
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qd5#
        • 2.Qf5#
      • 1...Sd4
        • 2.Qd5#
      • 1...Sce7
        • 2.Qxc4#
      • 1...Sf4
        • 2.Qf5#
      • 1...Sge7
        • 2.Qxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • P(i);N_GUARD::QAB(G),XS(g)
    • P(j);N_GUARD::QAB(G),XS(h)
  • Tries
    • Try
      • Q(G);N_PINP(f)
      • Threat
        • DUALS(2)
      • Vars
        • S(g);::QAB1(G)
        • S(h);::QAB1(G)
        • S(h);N_GUARD::QAR2(G),XP(d)
      • Refutation
        • S(g);
    • Try
      • Q(G);N_PINP(f)
      • Threat
        • DUALS(2)
      • Vars
        • S(g);::QAB1(G)
        • S(g);N_GUARD::QAR2(G),XP(b)
        • S(h);::QAB1(G)
      • Refutation
        • S(h);
    • Try
      • Q(G);N_PINP(f)
      • Threat
        • QAB1(G)
      • Vars
        • S(g);OGATE::QAR2(G),XP(b)
        • S(h);N_GUARD::QAR2(G),XP(d)
      • Refutation
        • S(g);
    • Try
      • Q(G);N_PINP(f)
      • Threat
        • QAB1(G)
      • Vars
        • S(g);N_GUARD::QAR2(G),XP(b)
        • S(h);OGATE::QAR2(G),XP(d)
      • Refutation
        • S(h);
  • Actual
    • Q(G);
    • Threat
      • DUALS(2)
    • Vars
      • S(g);::QAB1(G)
      • S(g);N_GUARD::QAR2(G),XP(b)
      • S(h);::QAB1(G)
      • S(h);N_GUARD::QAR2(G),XP(d)
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