MESON Chess Problem Database

Problem Display
PID: 199933 (8/7B/6n1/p4P1K/Pn1QPk2/8/2N2BPb/8 w - - 0 1)

Novitski, Petr Adrinovich

Sachove umeni (Ceskoslovensky sach), 2018

8/7B/6n1/p4P1K/Pn1QPk2/8/2N2BPb/8

#2

9 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Bg3
      • 2.Be3#
    • 1...Sh4
      • 2.e5#
    • 1...Se5
      • 2.Qe3#
    • 1...Se7
      • 2.e5#
    • 1...Sf8
      • 2.e5#
    • 1...Sh8
      • 2.e5#
  • Tries
    • 1.Se3?
      • threat
        • 2.e5#
      • 1...Sc2
        • 2.Sd5#
      • 1...Sc6
        • 2.Sd5#
      • 1...Se5!
    • 1.Sxb4?
      • threat
        • 2.Sd3#
        • 2.Sd5#
      • 1...Se5
        • 2.Sd5#
        • 2.Qe3#
      • 1...Se7
        • 2.Sd3#
        • 2.e5#
      • 1...axb4!
    • 1.Bg1?
      • threat
        • 2.Bxh2#
      • 1...Kg3
        • 2.Qf2#
      • 1...Bg3
        • 2.Be3#
      • 1...Bxg1!
  • Keys
    • 1.Se1!
      • 1...Bg1
        • 2.g3#
      • 1...Bg3
        • 2.Be3#
      • 1...Sa2
        • 2.Sd3#
      • 1...Sc2
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Sd5
        • 2.Sd3#
      • 1...Sa6
        • 2.Sd3#
      • 1...Sc6
        • 2.Sd3#
      • 1...Sh4
        • 2.e5#
      • 1...Se5
        • 2.Qe3#
      • 1...Se7
        • 2.e5#
      • 1...Sf8
        • 2.e5#
      • 1...Sh8
        • 2.e5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::B(B)
    • S(e);::QAR(E)+P(F)
    • S(e);SBLOCK::QAB1(E)
  • Tries
    • Try
      • S(A);
      • Threat
        • QAR(E)+P(F)
      • Vars
        • S(b);N_GUARD::S(A)
      • Refutation
        • S(e);
    • Try
      • S(A);XS(b)
      • Threat
        • DUALS(2)
      • Refutation
        • P(d);XS(A)
    • Try
      • B(B);
      • Threat
        • B(B),XB(a)
      • Vars
        • K(c);S_FLIGHT::QAB1(E)
        • B(a);SBLOCK::B(B)
      • Refutation
        • B(a);XB(B)
  • Actual
    • S(A);
    • Vars
      • B(a);N_GUARD::P(C)
      • B(a);SBLOCK::B(B)
      • S(b);N_GUARD::S(A)
      • S(b);N_GUARD::S(A),XS(b)
      • S(e);::QAR(E)+P(F)
      • S(e);SBLOCK::QAB1(E)
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