MESON Chess Problem Database

Problem Display
PID: 233773 (8/5p2/2pp1Q2/6p1/2B1k1Nn/4P1p1/4n1P1/3N3K w - - 0 1)

Sambuu, Sukhebaatarin

Freie Presse, 1975

8/5p2/2pp1Q2/6p1/2B1k1Nn/4P1p1/4n1P1/3N3K

#2

7 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Sc3#
    • 1...Sg1
      • 2.Sc3#
    • 1...Sc3
      • 2.Sxc3#
    • 1...Sd4
      • 2.Sc3#
    • 1...Sf4
      • 2.Sc3#
    • 1...Sf3
      • 2.Qxf3#
      • 2.gxf3#
    • 1...Sg6
      • 2.Qf3#
    • 1...d5
      • 2.Qe5#
  • Tries
    • 1.Qxf7?
      • threat
        • 2.Qe6#
      • 1...Sd4
        • 2.Sc3#
      • 1...Sf4
        • 2.Sc3#
      • 1...Sf3
        • 2.Qg6#
        • 2.Qxf3#
        • 2.Qh7#
        • 2.gxf3#
      • 1...Sg6
        • 2.Qxg6#
        • 2.Qf3#
      • 1...Sxg2!
  • Keys
    • 1.Sh6!
      • threat
        • 2.Qe7#
      • 1...Sxg2
        • 2.Qf5#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sf4
        • 2.Qd4#
      • 1...Sf3
        • 2.Qf5#
        • 2.gxf3#
      • 1...Sf5
        • 2.Qxf5#
      • 1...Sg6
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • S(a);N_GUARD::S(A)
    • S(a);N_GUARD::S(A),XS(a)
    • S(d);N_GUARD::QAB1(G)
    • P(g);N_GUARD::QAR1(G)
  • Tries
    • Try
      • Q(G);XP(h)
      • Threat
        • QAR2(G)
      • Vars
        • S(a);N_GUARD::S(A)
      • Refutation
        • S(d);XP(C)
  • Actual
    • S(F);
    • Threat
      • QAR(G)
    • Vars
      • S(d);N_GUARD,XP(C)::QAB1(G)
      • S(a);N_GUARD::QAR1(G),XS(a)
      • S(a);N_GUARD::QAR1(G)
      • S(d);N_GUARD::QAB1(G),XS(d)
      • S(d);N_GUARD::QAB1(G)
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