MESON Chess Problem Database

Problem Display
PID: 109420 (8/3p1p1N/3KbP1B/3pp2Q/3pkppR/2pn4/4Bn2/5NR1 w - - 0 1)

Sovik, Stefan

Hlas l'udu, 1984

8/3p1p1N/3KbP1B/3pp2Q/3pkppR/2pn4/4Bn2/5NR1

#2

9 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Sg5#
    • 1...Sc1
      • 2.Qxe5#
    • 1...Se1
      • 2.Qxe5#
    • 1...Sb2
      • 2.Qxe5#
    • 1...Sb4
      • 2.Qxe5#
    • 1...Sc5
      • 2.Qxe5#
    • 1...f3
      • 2.Sg3#
    • 1...g3
      • 2.Bf3#
  • Tries
    • 1.Rh3?
      • 1...gxh3
        • 2.Bf3#
      • 1...Sd1
        • 2.Bxd3#
      • 1...Bf5
        • 2.Sg5#
      • 1...Sh1
        • 2.Bxd3#
      • 1...Sc1
        • 2.Qxe5#
      • 1...Se1
        • 2.Qxe5#
      • 1...Sb2
        • 2.Qxe5#
      • 1...Sb4
        • 2.Qxe5#
      • 1...Sc5
        • 2.Qxe5#
      • 1...c2
        • 2.Sd2#
      • 1...f3
        • 2.Sg3#
      • 1...g3
        • 2.Bf3#
      • 1...Sxh3!
    • 1.Qg6+?
      • 1...Bf5
        • 2.Sg5#
      • 1...fxg6!
    • 1.Qf5+?
      • 1...Bxf5
        • 2.Sg5#
      • 1...Kxf5!
  • Keys
    • 1.Rg3!
      • 1...fxg3
        • 2.Sxg3#
      • 1...Sd1
        • 2.Bxd3#
      • 1...Bf5
        • 2.Sg5#
      • 1...Sh1
        • 2.Bxd3#
      • 1...Sh3
        • 2.Bxd3#
      • 1...Sc1
        • 2.Qxe5#
      • 1...Se1
        • 2.Qxe5#
      • 1...Sb2
        • 2.Qxe5#
      • 1...Sb4
        • 2.Qxe5#
      • 1...Sc5
        • 2.Qxe5#
      • 1...c2
        • 2.Sd2#
      • 1...f3
        • 2.Bxf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(j);SBLOCK::S(I)
    • S(c);N_GUARD::QAR1(E),XP(i)
    • P(f);N_GUARD,P_SPINP(g)::S(A)
    • P(g);N_GUARD,P_SPINP(f)::B(C)
  • Tries
    • Try
      • R(D);
      • Vars
        • P(g);N_GUARD,XR(D)::B(C)
        • S(a);N_GUARD::B(C),XS(c)
        • B(j);SBLOCK::S(I)
        • S(c);N_GUARD::QAR1(E),XP(i)
        • P(b);N_GUARD::S(A)
        • P(f);N_GUARD::S(A)
        • P(g);N_GUARD::B(C)
      • Refutation
        • S(a);XR(D)
    • Try
      • Q(E);CHECK
      • Vars
        • B(j);P_SPINB(j)::S(I)
      • Refutation
        • P(l);XQ(E)
    • Try
      • Q(E);CHECK
      • Vars
        • B(j);SBLOCK,XQ(E)::S(I)
      • Refutation
        • K(e);S_FLIGHT,XQ(E)
  • Actual
    • R(B);
    • Vars
      • P(f);P_SPINP(g),XR(B)::S(A),XP(f)
      • S(a);N_GUARD::B(C),XS(c)
      • B(j);SBLOCK::S(I)
      • S(c);N_GUARD::QAR1(E),XP(i)
      • P(b);N_GUARD::S(A)
      • P(f);P_SPINP(g)::B(C),XP(f)
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