MESON Chess Problem Database

Problem Display
PID: 90882 (N3n3/1B6/2r1p2p/3kP2R/n7/1P1pB3/3K1N2/8 w - - 0 1)

Kardos, Tivadar

Die Schwalbe, 1964

N3n3/1B6/2r1p2p/3kP2R/n7/1P1pB3/3K1N2/8

#2

8 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Sb6#
    • 1...Sc3
      • 2.Sb6#
    • 1...Sc5
      • 2.Sb6#
    • 1...Sb6
      • 2.Sxb6#
    • 1...Sd6
      • 2.Sc7#
    • 1...Sf6
      • 2.Sc7#
    • 1...Sc7
      • 2.Sxc7#
    • 1...Sg7
      • 2.Sc7#
  • Tries
    • 1.Ke1?
      • 1...Sb2
        • 2.Sb6#
      • 1...Sc3
        • 2.Sb6#
      • 1...Sc5
        • 2.Sb6#
      • 1...Sb6
        • 2.Sxb6#
      • 1...Sd6
        • 2.Sc7#
      • 1...Sf6
        • 2.Sc7#
      • 1...Sc7
        • 2.Sxc7#
      • 1...Sg7
        • 2.Sc7#
      • 1...d2+!
  • Keys
    • 1.Se4!
      • 1...Kxe4
        • 2.Bxc6#
      • 1...Sb2
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sc5
        • 2.Sc3#
      • 1...Sb6
        • 2.Sc3#
      • 1...Sd6
        • 2.Sf6#
      • 1...Sf6
        • 2.Sxf6#
      • 1...Sc7
        • 2.Sf6#
      • 1...Sg7
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 8
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::S(H)
    • S(b);N_GUARD::S(H),XS(b)
    • S(g);N_GUARD::S(H)
    • S(g);N_GUARD::S(H),XS(g)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • S(b);N_GUARD::S(H)
        • S(b);N_GUARD::S(H),XS(b)
        • S(g);N_GUARD::S(H)
        • S(g);N_GUARD::S(H),XS(g)
      • Refutation
        • P(a);CHECK
  • Actual
    • S(B);
    • Vars
      • K(c);S_FLIGHT,XS(B)::B(G),XR(d)
      • S(b);N_GUARD::S(B)
      • S(b);N_GUARD::S(B),XS(b)
      • S(g);N_GUARD::S(B)
      • S(g);N_GUARD::S(B),XS(g)
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