MESON Chess Problem Database

Problem Display
PID: 124473 (2B2qN1/r1b5/Pp1Bpp2/3k4/6P1/2Q1p3/7p/7K w - - 0 1)

Orsini, Emilio

Fanfulla da Lodi, 1886-1888

2B2qN1/r1b5/Pp1Bpp2/3k4/6P1/2Q1p3/7p/7K

#2

7 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd6
      • 2.Sxf6#
  • Tries
    • 1.Bb7+?
      • 1...Kxd6
        • 2.Qd4#
      • 1...Rxb7!
  • Keys
    • 1.Bd7!
      • threat
        • 2.Qd3#
      • 1...Ke4
        • 2.Bc6#
      • 1...Kxd6
        • 2.Qd4#
      • 1...Qxd6
        • 2.Sxf6#
      • 1...Bxd6
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • Q(i);N_GUARD,SBLOCK,XB(E)::S(G),XP(f)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • K(c);P-FLIGHT,XB(E)::QAR2(B)
      • Refutation
        • R(g);XB(F)
  • Actual
    • B(F);
    • Threat
      • QAR2(B)
    • Vars
      • K(c);S_FLIGHT::B(F)
      • K(c);P-FLIGHT,XB(E)::QAR2(B)
      • Q(i);N_GUARD,SBLOCK,XB(E)::S(G),XP(f)
      • B(h);SBLOCK,XB(E)::B(F)
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