MESON Chess Problem Database

Problem Display
PID: 163056 (3q2r1/1BB5/1pNn1bP1/R1n2p1R/2p2k1p/8/5PQ1/3K4 w - - 0 1)

Magini, Fabio

Best Problems, 2012

3q2r1/1BB5/1pNn1bP1/R1n2p1R/2p2k1p/8/5PQ1/3K4

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Raxf5#
      • 2.Rhxf5#
    • 1...Sd3
      • 2.Raxf5#
      • 2.Rhxf5#
    • 1...Sa4
      • 2.Raxf5#
      • 2.Rhxf5#
    • 1...Se4
      • 2.Raxf5#
      • 2.Rhxf5#
    • 1...Sa6
      • 2.Raxf5#
      • 2.Rhxf5#
    • 1...Se6
      • 2.Raxf5#
      • 2.Rhxf5#
    • 1...Sxb7
      • 2.Raxf5#
      • 2.Rhxf5#
    • 1...Sd7
      • 2.Raxf5#
      • 2.Rhxf5#
  • Keys
    • 1.Se5!
      • threat
        • 2.Qh2#
      • 1...Sde4+
        • 2.Sd3#
      • 1...Sb5+
        • 2.Sd3#
      • 1...Sdxb7+
        • 2.Sd3#
      • 1...Sf7+
        • 2.Sd3#
      • 1...Sc8+
        • 2.Sd3#
      • 1...Se8+
        • 2.Sd3#
      • 1...Kxe5
        • 2.Qe4#
      • 1...Rxg6
        • 2.Sxg6#
      • 1...Bxe5
        • 2.Qf3#
      • 1...Scxb7
        • 2.Qf3#
      • 1...Sce4
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(F);N_PINS(g)
    • Threat
      • QAB(C)
    • Vars
      • S(g);CHECK::B(I)+S(F),DCHECK
      • S(g);CHECK,XB(H)::B(I)+S(F),DCHECK
      • K(b);P_SPINP(e),P_SPINS(d),S_FLIGHT,XS(F)::QAR1(C)
      • R(j);XP(G)::S(F),XR(j)
      • B(h);SBLOCK,XS(F)::QAR1(C)
      • S(d);XB(H)::QAR1(C)
      • S(d);::QAR1(C)
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