MESON Chess Problem Database

Problem Display
PID: 163417 (4n2b/2p2r2/p1B5/P2pp1Q1/RKNpk1p1/1Pp2p2/2P5/1n3Nq1 w - - 0 1)

Jasik, Andrzej

Parzuch, Stefan

Sachmatija, 2004

4n2b/2p2r2/p1B5/P2pp1Q1/RKNpk1p1/1Pp2p2/2P5/1n3Nq1

#2

9 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Qe3
      • 2.Sg3#
    • 1...Qh1
      • 2.Sg3#
    • 1...Qg3
      • 2.Sxg3#
    • 1...Rf6
      • 2.Qxe5#
    • 1...Rg7
      • 2.Qxe5#
    • 1...Sf6
      • 2.Qxe5#
    • 1...Sg7
      • 2.Qxe5#
  • Tries
    • 1.Kc5?
      • threat
        • 2.Bxd5#
      • 1...d3+
        • 2.Sce3#
      • 1...Sf6
        • 2.Qxe5#
      • 1...Rd7!
  • Keys
    • 1.Sce3!
      • threat
        • 2.Bxd5#
      • 1...Qxe3
        • 2.Sg3#
      • 1...dxe3
        • 2.Kc5#
      • 1...d3
        • 2.Kc5#
      • 1...Rd7
        • 2.Qf5#
      • 1...Sf6
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • Q(b);N_GUARD::S(A)
    • Q(b);N_GUARD::S(A),XQ(b)
    • R(l);S_CUTB(n)::QAR1(H),XP(i)
    • S(m);S_CUTB(n)::QAR1(H),XP(i)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Threat
        • B(I),XP(h)
      • Vars
        • P(e);CHECK::R(D)+S(F)
        • S(m);S_CUTB(n)::QAR1(H),XP(i)
      • Refutation
        • R(l);
  • Actual
    • S(F);
    • Threat
      • B(I),XP(h)
    • Vars
      • Q(b);N_GUARD,XS(F)::S(A)
      • P(e);XS(F)::R(D)+K(E)
      • P(e);::R(D)+K(E)
      • R(l);N_GUARD::QAB1(H)
      • S(m);S_CUTR(l)::QAB1(H)
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