MESON Chess Problem Database

Problem Display
PID: 158001 (B4Q2/3K1n2/Pp6/1NN1p3/PpkP4/1pP1R3/np1p1r2/q7 w - - 0 1)

Amirov, Talip Khasanovich

Problemist Dalnego Vostoka, 1975

B4Q2/3K1n2/Pp6/1NN1p3/PpkP4/1pP1R3/np1p1r2/q7

#2

10 + 11

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Re2
      • 2.Qxf7#
    • 1...Rg2
      • 2.Qxf7#
    • 1...Rh2
      • 2.Qxf7#
    • 1...Sg5
      • 2.Sd6#
    • 1...Sd6
      • 2.Sxd6#
    • 1...Sh6
      • 2.Sd6#
    • 1...Sd8
      • 2.Sd6#
    • 1...Sh8
      • 2.Sd6#
    • 1...bxc5
      • 2.Qxc5#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Qc8#
      • 1...Qh1
        • 2.Sxb2#
      • 1...Sd6
        • 2.Sxe5#
      • 1...Sd8
        • 2.Sxe5#
      • 1...Rf6!
    • 1.Se4?
      • threat
        • 2.Qc8#
      • 1...Rf6
        • 2.Sxd2#
      • 1...Sd6
        • 2.Sexd6#
        • 2.Sbxd6#
      • 1...Sd8
        • 2.Sed6#
        • 2.Sbd6#
      • 1...bxc3!
    • 1.Se6?
      • threat
        • 2.Qc8#
      • 1...bxc3
        • 2.Sa3#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sd8
        • 2.Sd6#
      • 1...Qh1!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Sd3#
        • 2.Se4#
        • 2.Se6#
      • 1...bxc3
        • 2.Sd3#
      • 1...bxc5
        • 2.Qxc5#
      • 1...Qh1
        • 2.Se4#
      • 1...Rf6
        • 2.Se6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sd8
        • 2.Sd6#
      • 1...e4
        • 2.Sd3#
        • 2.Sxe4#
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • R(e);N_GUARD::QAB(J),XS(k)
    • S(k);N_GUARD::S(E)
    • S(k);N_GUARD::S(E),XS(k)
    • P(j);OGATE,XS(F)::QAR1(J),XP(j)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAR(J)
      • Vars
        • Q(a);N_GUARD::S(F),XP(c)
        • S(k);N_GUARD::S(F),XP(i)
      • Refutation
        • R(e);
    • Try
      • S(F);
      • Threat
        • QAR(J)
      • Vars
        • R(e);N_GUARD::S(F),XP(d)
      • Refutation
        • P(g);XP(A)
    • Try
      • S(F);
      • Threat
        • QAR(J)
      • Vars
        • P(g);N_GUARD,XP(A)::S(E)
        • S(k);N_GUARD::S(E),XS(k)
        • S(k);N_GUARD::S(E)
      • Refutation
        • Q(a);
  • Actual
    • Q(J);
    • Threat
      • DUALS(3)
    • Vars
      • P(g);XP(A)::QAR(J)+S(F)
      • P(j);OGATE,P_SPINP(j),XS(F)::QAR1(J),XP(j)
      • Q(a);::QAR(J)+S(F)
      • R(e);::QAR(J)+S(F)
      • S(k);N_GUARD::S(E),XS(k)
      • S(k);N_GUARD::S(E)
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