MESON Chess Problem Database

Problem Display
PID: 70491 (3n4/2pp3r/2Nkppp1/8/1pK4p/5QN1/RB1p4/4b3 w - - 0 1)

Mosiashvili, Givi

The Problemist, 2006

3n4/2pp3r/2Nkppp1/8/1pK4p/5QN1/RB1p4/4b3

#2

6 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.Ba3#
    • 1...e5
      • 2.Qd5#
    • 1...f5
      • 2.Be5#
  • Tries
    • 1.Sf5+?
      • 1...exf5
        • 2.Qd5#
      • 1...gxf5!
  • Keys
    • 1.Bxf6!
      • threat
        • 2.Be5#
      • 1...Bxg3
        • 2.Rxd2#
      • 1...Sxc6
        • 2.Se4#
      • 1...dxc6
        • 2.Qd3#
      • 1...e5
        • 2.Qd5#
      • 1...Rh5
        • 2.Be7#
      • 1...Sf7
        • 2.Be7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • P(c);OGATEB::B(B)
    • P(f);N_GUARD::QAR1(C)
    • P(g);N_GUARD::B(B)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • P(f);XS(D)::QAR1(C)
      • Refutation
        • P(h);XS(D)
  • Actual
    • B(B);XP(g)
    • Threat
      • B(B)
    • Vars
      • B(a);N_GUARD,XS(D)::R(A),XP(b)
      • S(l);SBLOCK,XS(F)::S(D)
      • P(j);SBLOCK,XS(F)::QAR(C)
      • P(f);N_GUARD::QAR1(C)
      • R(k);N_GUARD::B(B)
      • S(l);S_CUTR(k)::B(B)
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