MESON Chess Problem Database

Problem Display
PID: 168292 (3R4/8/3N4/1p1p1p2/nPp1pPn1/K1PkB3/3P2P1/3BR3 w - - 0 1)

Petite, Efren

Sachove umeni (Ceskoslovensky sach), 1980

3R4/8/3N4/1p1p1p2/nPp1pPn1/K1PkB3/3P2P1/3BR3

#2

11 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sxc4?
      • 1...Kxc4
        • 2.Be2#
      • 1...Sxc3
        • 2.Sb2#
      • 1...bxc4
        • 2.Rxd5#
      • 1...Sb2
        • 2.Sxb2#
      • 1...Sc5
        • 2.Sb2#
      • 1...Sb6
        • 2.Sb2#
      • 1...Sf2
        • 2.Se5#
      • 1...Sh2
        • 2.Se5#
      • 1...Se5
        • 2.Sxe5#
      • 1...Sf6
        • 2.Se5#
      • 1...Sh6
        • 2.Se5#
      • 1...d4
        • 2.Rxd4#
      • 1...Sxe3!
  • Keys
    • 1.Sxe4!
      • 1...Kxe4
        • 2.Bc2#
      • 1...Sxc3
        • 2.Sc5#
      • 1...Sxe3
        • 2.Rxe3#
      • 1...fxe4
        • 2.Rxd5#
      • 1...Sb2
        • 2.Sc5#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Sb6
        • 2.Sc5#
      • 1...Sf2
        • 2.Sxf2#
      • 1...Sh2
        • 2.Sf2#
      • 1...Se5
        • 2.Sf2#
      • 1...Sf6
        • 2.Sf2#
      • 1...Sh6
        • 2.Sf2#
      • 1...d4
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(J);P_PINP(g),XP(c)
      • Vars
        • K(a);N_SPINP(g),S_FLIGHT,XS(J)::B(A)
        • S(b);N_GUARD,XP(F)::S(J)
        • P(f);SBLOCK,XS(J)::R(K),XP(g)
        • S(b);N_GUARD::S(J),XS(b)
        • S(b);N_GUARD::S(J)
        • S(e);N_GUARD::S(J)
        • S(e);N_GUARD::S(J),XS(e)
        • P(g);OGATE::R1(K),XP(g)
      • Refutation
        • S(e);XB(G)
  • Actual
    • S(J);P_PINP(g),XP(d)
    • Vars
      • K(a);N_SPINP(g),S_FLIGHT,XS(J)::B(A)
      • S(b);N_GUARD,XP(F)::S(J)
      • S(e);OGATE,XB(G)::R1(B),XS(e)
      • P(h);SBLOCK,XS(J)::R(K),XP(g)
      • S(b);N_GUARD::S(J)
      • S(b);N_GUARD::S(J),XS(b)
      • S(e);N_GUARD::S(J),XS(e)
      • S(e);N_GUARD::S(J)
      • P(g);OGATE::R1(K),XP(g)
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