MESON Chess Problem Database

Problem Display
PID: 143686 (4N3/4K3/8/pp4nR/3PkPRN/1Q3nr1/4P3/2Br2b1 w - - 0 1)

Robert, Philippe

Probleemblad, 2011

4N3/4K3/8/pp4nR/3PkPRN/1Q3nr1/4P3/2Br2b1

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd4
      • 2.Sf6#
    • 1...Rh3
      • 2.fxg5#
      • 2.f5#
    • 1...Bxd4
      • 2.Sd6#
    • 1...Sxd4
      • 2.Sd6#
      • 2.Sf6#
    • 1...Sh3
      • 2.Qd5#
    • 1...Se6
      • 2.Qd5#
    • 1...Sf7
      • 2.Qd5#
    • 1...Sh7
      • 2.Qd5#
  • Tries
    • 1.Qc3?
      • threat
        • 2.Sf6#
      • 1...Kd5
        • 2.Sf6#
      • 1...Bxd4
        • 2.Qc6#
      • 1...Sh7
        • 2.Sd6#
      • 1...Sxh4!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Sed6#
      • 1...Kxf5
        • 2.Qe6#
      • 1...Rxd4
        • 2.Sxg3#
      • 1...Sf7
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(a);SBLOCK,XP(D)::S(J)
    • B(b);SBLOCK,XP(D)::S(J)
    • S(h);::QAB1(C)
  • Tries
    • Try
      • Q(C);
      • Threat
        • S(J)
      • Vars
        • K(e);P_SPINS(h),S_FLIGHT::S(J)
        • B(b);SBLOCK,XP(D)::QAB(C)
        • S(h);::S(J)
      • Refutation
        • S(c);XS(G)
  • Actual
    • S(G);
    • Threat
      • S(J)
    • Vars
      • K(e);P_SPINS(h),S_FLIGHT,XS(G)::QAB1(C)
      • R(a);SBLOCK,XP(D)::S(G),XR(d)
      • S(h);::S(J)
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