MESON Chess Problem Database

Problem Display
PID: 124360 (K7/4B3/4p3/3pkp2/R6R/N3n3/5N1P/2n4Q w - - 0 1)

Nemcek, Milan

Slovensky Dennik, 1990

K7/4B3/4p3/3pkp2/R6R/N3n3/5N1P/2n4Q

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sa2
      • 2.Sd3#
    • 1...Se2
      • 2.Sd3#
    • 1...Sb3
      • 2.Sd3#
    • 1...Sd3
      • 2.Sxd3#
  • Tries
    • 1.Ra5?
      • 1...f4
        • 2.Qe4#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sa2
        • 2.Sd3#
      • 1...Se2
        • 2.Sd3#
      • 1...Sb3
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Sf1
        • 2.Sc4#
      • 1...Sc2
        • 2.Sc4#
      • 1...Sg2
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sg4!
    • 1.Rh5?
      • 1...d4
        • 2.Qe4#
      • 1...Sd1
        • 2.Sg4#
      • 1...Sa2
        • 2.Sd3#
      • 1...Se2
        • 2.Sd3#
      • 1...Sb3
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Sf1
        • 2.Sg4#
      • 1...Sc2
        • 2.Sg4#
      • 1...Sg2
        • 2.Sg4#
      • 1...Sg4
        • 2.Sxg4#
      • 1...Sc4!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Qxe3#
      • 1...d4
        • 2.Ra5#
      • 1...f4
        • 2.Rh5#
      • 1...Se2
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
  • Tries
    • Try
      • R(E);P_PINP(c)
      • Vars
        • P(e);N_GUARD::QAR1(A)
        • S(b);N_GUARD::S(D)
        • S(a);N_GUARD::S(B)
        • S(a);N_GUARD::S(B),XS(a)
        • S(b);N_GUARD::S(D),XS(b)
      • Refutation
        • S(b);
    • Try
      • R(F);P_PINP(e)
      • Vars
        • P(c);N_GUARD::QAR1(A)
        • S(b);N_GUARD::S(B)
        • S(a);N_GUARD::S(B)
        • S(a);N_GUARD::S(B),XS(a)
        • S(b);N_GUARD::S(B),XS(b)
      • Refutation
        • S(b);
  • Actual
    • Q(A);P_PINS(b)
    • Threat
      • QAR2(A),XS(b)
    • Vars
      • P(c);OGATEB::R(E)
      • P(e);OGATEB::R(F)
      • S(a);N_GUARD,N_SPINS(b)::S(B)
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