MESON Chess Problem Database

Problem Display
PID: 73402 (2Qrr3/1P6/3R1P2/3nkN1N/3R4/1K6/5P2/2b5 w - - 0 1)

Bouchez, Laurent

Spiess, Jean-Yves

Phenix, 1997

2Qrr3/1P6/3R1P2/3nkN1N/3R4/1K6/5P2/2b5

#2

9 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Qxe6#
    • 1...Rf8
      • 2.Qe6#
    • 1...Rg8
      • 2.Qe6#
    • 1...Rh8
      • 2.Qe6#
    • 1...Se3
      • 2.f4#
    • 1...Se7
      • 2.Qe6#
  • Keys
    • 1.Sfg3!
      • threat
        • 2.R4xd5#
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kxd6
        • 2.b8Q#
        • 2.b8B#
      • 1...Rxd6
        • 2.Re4#
      • 1...Sxf6
        • 2.Qf5#
      • 1...Sc3
        • 2.Qf5#
      • 1...Se3
        • 2.f4#
      • 1...Sb4
        • 2.Qf5#
      • 1...Sf4
        • 2.Qf5#
      • 1...Sb6
        • 2.Qf5#
      • 1...Sc7
        • 2.Qf5#
      • 1...Se7
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 4
  • Sets
    • R(e);N_GUARD::QAR1(I),XR(e)
    • R(e);N_GUARD::QAR1(I)
    • S(b);N_GUARD,S_CUTB(a)::P(A)
    • S(b);S_CUTR(e)::QAR1(I)
  • Actual
    • S(D);
    • Threat
      • R1(C),XS(b)
    • Vars
      • K(c);OGATEB,P_SPINS(b),S_FLIGHT,XR(C)::QAB1(I)
      • K(c);P_SPINS(b),S_FLIGHT,XR(F)::P=Q
      • R(d);SBLOCK,XR(F)::R1(C)
      • S(b);XP(G)::QAR1(I)
      • S(b);::QAR1(I)
      • S(b);N_GUARD,S_CUTB(a)::P(A)
      • S(b);S_CUTR(e)::QAR1(I)
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