MESON Chess Problem Database

Problem Display
PID: 245084 (5K2/8/Q1p5/1np2n2/1bk2N2/1pP5/2NP4/8 w - - 0 1)

Fomichev, Evgeny Vasilevich

Scacchi e Scienze Applicate, 2012

5K2/8/Q1p5/1np2n2/1bk2N2/1pP5/2NP4/8

#2

6 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ba3
      • 2.Sxa3#
    • 1...Bxc3
      • 2.d3#
    • 1...Ba5
      • 2.Sa3#
    • 1...Se3
      • 2.Sxe3#
    • 1...Sg3
      • 2.Se3#
    • 1...Sd4
      • 2.Se3#
    • 1...Sh4
      • 2.Se3#
    • 1...Sd6
      • 2.Se3#
    • 1...Sh6
      • 2.Se3#
    • 1...Se7
      • 2.Se3#
    • 1...Sg7
      • 2.Se3#
    • 1...bxc2
      • 2.Qa2#
    • 1...b2
      • 2.Qa2#
  • Keys
    • 1.Qa4!
      • 1...Sxc3
        • 2.d3#
      • 1...bxc2
        • 2.Qa2#
      • 1...Sa3
        • 2.Sxa3#
      • 1...Sbd4
        • 2.Sa3#
      • 1...Sbd6
        • 2.Sa3#
      • 1...Sa7
        • 2.Sa3#
      • 1...Sc7
        • 2.Sa3#
      • 1...Se3
        • 2.Sxe3#
      • 1...Sg3
        • 2.Se3#
      • 1...Sfd4
        • 2.Se3#
      • 1...Sh4
        • 2.Se3#
      • 1...Sfd6
        • 2.Se3#
      • 1...Sh6
        • 2.Se3#
      • 1...Se7
        • 2.Se3#
      • 1...Sg7
        • 2.Se3#
      • 1...b2
        • 2.Qa2#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • B(b);N_GUARD::S(A),XB(b)
    • B(b);SBLOCK,XP(C)::P(B)
    • B(b);N_GUARD::S(A)
    • S(f);N_GUARD::S(A),XS(f)
    • S(f);N_GUARD::S(A)
    • P(a);OGATEB,XS(A)::QAB(E)
    • P(a);OGATEB::QAB(E)
  • Actual
    • Q(E);N_PINS(d),P_PINB(b)
    • Vars
      • S(d);SBLOCK,XP(C)::P(B)
      • P(a);OGATEB,XS(A)::QAB(E)
      • S(d);N_GUARD::S(A),XS(d)
      • S(d);N_GUARD::S(A)
      • S(f);N_GUARD::S(A),XS(f)
      • S(f);N_GUARD::S(A)
      • P(a);OGATEB::QAB(E)
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