MESON Chess Problem Database

Problem Display
PID: 103610 (1B3N1b/r1nQ1P2/3nP2R/1r2k2K/2b4R/q2pN3/5P2/8 w - - 0 1)

Ianovcic, Anatole Felix

Roman feladvanybajnoksag, 1952

1B3N1b/r1nQ1P2/3nP2R/1r2k2K/2b4R/q2pN3/5P2/8

#2

10 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf6
      • 2.Sg6#
    • 1...Se4
      • 2.f4#
    • 1...Sf5
      • 2.Sxc4#
    • 1...Sb7
      • 2.Qd4#
    • 1...Sxf7
      • 2.Qd4#
    • 1...Sc8
      • 2.Qd4#
    • 1...Sde8
      • 2.Qd4#
  • Tries
    • 1.Qe7?
      • threat
        • 2.Sg6#
        • 2.Sd7#
      • 1...Sxe6
        • 2.Sg6#
      • 1...Sd5
        • 2.Sg6#
        • 2.Qg5#
      • 1...Sa6
        • 2.Sg6#
        • 2.Qg5#
      • 1...Sa8
        • 2.Sg6#
        • 2.Qg5#
      • 1...Sce8
        • 2.Sg6#
        • 2.Qg5#
      • 1...Se4!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Sd7#
      • 1...Bxe6
        • 2.Sg6#
      • 1...Sxf7
        • 2.Qd4#
      • 1...Sxe6
        • 2.Sg6#
      • 1...Bf6
        • 2.Qxf6#
      • 1...Se4
        • 2.f4#
      • 1...Sf5
        • 2.Sxc4#
      • 1...Sb7
        • 2.Qd4#
      • 1...Sc8
        • 2.Qd4#
      • 1...Sde8
        • 2.Qd4#
      • 1...Sd5
        • 2.Qg5#
      • 1...Sa6
        • 2.Qg5#
      • 1...Sa8
        • 2.Qg5#
      • 1...Sce8
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(i);SBLOCK::S(J)
    • S(f);P_SPINS(h),SBLOCK::P(A)
    • S(f);N_GUARD,P_SPINS(h),SBLOCK::S(B),XB(c)
    • S(f);OGATE,P_SPINS(h)::QAB1(G)
    • S(f);OGATE,P_SPINS(h),XP(H)::QAB1(G)
  • Tries
    • Try
      • Q(G);
      • Threat
        • DUALS(2)
      • Vars
        • S(h);P_SPINS(f),XP(E)::S(J)
      • Refutation
        • S(f);P_SPINS(h)
  • Actual
    • Q(G);
    • Threat
      • S(J)
    • Vars
      • B(c);SBLOCK,XP(E)::S(J)
      • S(f);OGATE,P_SPINS(h),XP(H)::QAB1(G)
      • S(h);P_SPINS(f),SBLOCK,XP(E)::S(J)
      • B(i);N_GUARD::QAB1(G),XB(i)
      • S(f);P_SPINS(h),SBLOCK::P(A)
      • S(f);N_GUARD,P_SPINS(h),SBLOCK::S(B),XB(c)
      • S(f);OGATE,P_SPINS(h)::QAB1(G)
      • S(h);P_SPINS(f)::QAR2(G)
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