MESON Chess Problem Database

Problem Display
PID: 148442 (KB6/3N1N1p/p6P/3P1k2/r1R1n2b/8/6R1/1Q2r3 w - - 0 1)

Monreal, Pierre

Scotti, Louis

Chess, 1955

KB6/3N1N1p/p6P/3P1k2/r1R1n2b/8/6R1/1Q2r3

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Qxe4#
    • 1...Rd1
      • 2.Qxe4#
    • 1...Rf1
      • 2.Qxe4#
    • 1...Rg1
      • 2.Qxe4#
    • 1...Rh1
      • 2.Qxe4#
    • 1...Bf2
      • 2.Rg5#
    • 1...Bg5
      • 2.Rxg5#
  • Keys
    • 1.Qb6!
      • threat
        • 2.Qe6#
      • 1...Sd2
        • 2.Sd6#
      • 1...Sf2
        • 2.Sd6#
      • 1...Sc3
        • 2.Sd6#
      • 1...Sg3
        • 2.Rf2#
      • 1...Sc5
        • 2.Sd6#
      • 1...Sg5
        • 2.Qf6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sf6
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 7
  • Sets
    • R(a);N_GUARD::QAB1(A),XS(c)
    • B(d);N_GUARD::R1(B)
    • B(d);N_GUARD::R1(B),XB(d)
  • Actual
    • Q(A);N_PINS(c)
    • Threat
      • QAB1(A)
    • Vars
      • S(c);N_GUARD::S(G)
      • S(c);N_GUARD,S_CUTB(d)::R(B)
      • S(c);N_GUARD,S_CUTB(d)::QAR1(A)
      • S(c);N_GUARD::S(G),XS(c)
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