MESON Chess Problem Database

Problem Display
PID: 218587 (2K1N3/5p2/4kP2/3pp2N/1n4r1/1B5b/8/1Q6 w - - 0 1)

Mussini, Luigi

Nuova Rivista degli Scacchi, 1882

2K1N3/5p2/4kP2/3pp2N/1n4r1/1B5b/8/1Q6

#2

6 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Shg7#
    • 1...Re4
      • 2.Shg7#
    • 1...Rf4
      • 2.Shg7#
    • 1...Rh4
      • 2.Shg7#
    • 1...Rg7
      • 2.Shxg7#
  • Tries
    • 1.Sf4+?
      • 1...exf4
        • 2.Qe4#
      • 1...Rxf4!
  • Keys
    • 1.Qe4!
      • 1...Rxe4
        • 2.Shg7#
      • 1...Rg1
        • 2.Sf4#
      • 1...Rg2
        • 2.Sf4#
      • 1...Rg3
        • 2.Sf4#
      • 1...Rf4
        • 2.Sxf4#
        • 2.Shg7#
      • 1...Rh4
        • 2.Shg7#
      • 1...Rg5
        • 2.Sf4#
      • 1...Rg6
        • 2.Sf4#
      • 1...Rg7
        • 2.Sf4#
        • 2.Shxg7#
      • 1...Rg8
        • 2.Sf4#
      • 1...Bf1
        • 2.Qxg4#
      • 1...Bg2
        • 2.Qxg4#
      • 1...Sa2
        • 2.Bxd5#
      • 1...Sc2
        • 2.Bxd5#
      • 1...Sd3
        • 2.Bxd5#
      • 1...Sa6
        • 2.Bxd5#
      • 1...Sc6
        • 2.Bxd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 3
  • Sets
    • R(c);N_GUARD::S(C)
    • R(c);N_GUARD::S(C),XR(c)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • P(e);S_CUTR(c),XS(C)::QAR2(A)
      • Refutation
        • R(c);XS(C)
  • Actual
    • Q(A);
    • Vars
      • R(c);N_GUARD,XQ(A)::S(C)
      • R(c);N_GUARD::S(C)
      • R(c);N_GUARD,P_PINS(F)::S(C)
      • B(a);N_GUARD::QAB(A),XR(c)
      • S(b);N_GUARD::B(B),XP(d)
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