MESON Chess Problem Database

Problem Display
PID: 156547 (8/3p1Kpp/5R2/2Ppk3/R2n3N/3Pnpr1/5N2/7Q w - - 0 1)

Amirov, Talip Khasanovich

Source?, 1979

8/3p1Kpp/5R2/2Ppk3/R2n3N/3Pnpr1/5N2/7Q

#2

8 + 9

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Qe1?
      • threat
        • 2.Qxe3#
      • 1...Rg4
        • 2.Sxg4#
      • 1...Sc2
        • 2.Rf5#
      • 1...Sf5
        • 2.Rxf5#
      • 1...Se2!
    • 1.Qh2?
      • threat
        • 2.Qxg3#
      • 1...Sf1
        • 2.Sg4#
      • 1...Sg2
        • 2.Sg4#
      • 1...Se2
        • 2.Sxf3#
      • 1...Sdf5
        • 2.Sxf3#
      • 1...Se6
        • 2.Sxf3#
      • 1...Sef5!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qxd4#
      • 1...Sf5
        • 2.Rxf5#
      • 1...Rg4
        • 2.Sxf3#
      • 1...Sc2
        • 2.Rf5#
      • 1...Sc4
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);P_PINS(a)
      • Threat
        • QAR2(A),XS(a)
      • Vars
        • R(c);N_GUARD::S(B),XR(c)
        • S(d);N_GUARD::R1(G)
        • S(d);N_GUARD::R1(G),XS(d)
      • Refutation
        • S(d);N_SPINS(a)
    • Try
      • Q(A);P_PINR(c)
      • Threat
        • QAB(A),XR(c)
      • Vars
        • S(a);N_GUARD::S(B)
        • S(d);N_GUARD::S(E),XP(b)
      • Refutation
        • S(a);
  • Actual
    • Q(A);P_PINS(d)
    • Threat
      • QAB1(A),XS(d)
    • Vars
      • S(a);N_GUARD::R1(G),XS(a)
      • R(c);N_GUARD::S(E),XP(b)
      • S(a);N_GUARD::R1(G)
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