MESON Chess Problem Database

Problem Display
PID: 23721 (3B2b1/5Qnp/4r2p/5n1R/2N1pNk1/p3P1Pp/K4b1P/7B w - - 0 1)

Kuzovkov, Aleksandr S

Die Schwalbe, 1996

3B2b1/5Qnp/4r2p/5n1R/2N1pNk1/p3P1Pp/K4b1P/7B

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Sxe5#
    • 1...Ra6
      • 2.Se5#
    • 1...Rb6
      • 2.Se5#
    • 1...Rc6
      • 2.Se5#
    • 1...Rd6
      • 2.Se5#
    • 1...Rf6
      • 2.Se5#
    • 1...Rg6
      • 2.Se5#
    • 1...Sxe3
      • 2.Rh4#
    • 1...Sxg3
      • 2.Rh4#
    • 1...Sd4
      • 2.Rh4#
    • 1...Sh4
      • 2.Rxh4#
    • 1...Sd6
      • 2.Rh4#
    • 1...Sxh5
      • 2.Qxh5#
    • 1...Se8
      • 2.Qxf5#
  • Tries
    • 1.Qxe6?
      • threat
        • 2.Se5#
        • 2.Rh4#
      • 1...Bxg3
        • 2.Se5#
      • 1...Sxh5
        • 2.Se5#
      • 1...Sxe6
        • 2.Se5#
      • 1...Bxe6!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qd1#
      • 1...Sxe3
        • 2.Se5#
      • 1...Sxg3
        • 2.Se5#
      • 1...Rd6
        • 2.Rh4#
      • 1...Sd4
        • 2.Se5#
      • 1...Sh4
        • 2.Se5#
      • 1...Sd6
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 6
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • R(g);N_GUARD::S(F),XR(g)
    • R(g);N_GUARD::S(F)
    • S(f);N_GUARD,XP(D)::R1(H)
    • S(f);N_GUARD,XP(E)::R1(H)
    • S(f);N_GUARD::R1(H)
    • S(f);N_GUARD::R1(H),XS(f)
    • S(i);OGATE,XR(H)::QAB1(I),XS(i)
    • S(i);N_GUARD::QAB1(I),XS(f)
  • Tries
    • Try
      • Q(I);P_PINS(f),XR(g)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);XP(E)::S(F)
        • S(i);XR(H)::S(F)
        • S(i);N_SPINS(f),XQ(I)::S(F)
      • Refutation
        • B(k);N_SPINS(f),P_PINS(F),XQ(I)
  • Actual
    • Q(I);
    • Threat
      • QAB(I)
    • Vars
      • S(f);P_SPINR(g),XP(D)::S(F)
      • S(f);P_SPINR(g),XP(E)::S(F)
      • R(g);P_PINS(F),P_SPINS(f)::R1(H)
      • S(f);P_SPINR(g)::S(F)
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