MESON Chess Problem Database

Problem Display
PID: 67316 (R7/8/1p1p4/pkbB4/r2pN3/pP6/K1N5/4B3 w - - 0 1)

Janev, Zoran

Phenix, 2000

R7/8/1p1p4/pkbB4/r2pN3/pP6/K1N5/4B3

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rb4
      • 2.Sxa3#
    • 1...Bb4
      • 2.Sxd4#
    • 1...d3
      • 2.Sc3#
  • Tries
    • 1.Bd2?
      • 1...Rb4
        • 2.Sxa3#
      • 1...Bb4
        • 2.Sxd4#
      • 1...d3
        • 2.Sc3#
      • 1...Rc4!
    • 1.Bf2?
      • 1...Rb4
        • 2.Sxa3#
      • 1...Bb4
        • 2.Sxd4#
      • 1...d3
        • 2.Sc3#
      • 1...Rc4!
    • 1.Bg3?
      • 1...Rb4
        • 2.Sxa3#
      • 1...Bb4
        • 2.Sxd4#
      • 1...d3
        • 2.Sc3#
      • 1...Rc4!
    • 1.Bh4?
      • 1...Rb4
        • 2.Sxa3#
      • 1...Bb4
        • 2.Sxd4#
      • 1...d3
        • 2.Sc3#
      • 1...Rc4!
    • 1.Ra7?
      • 1...Rb4
        • 2.Sxa3#
      • 1...Bb4
        • 2.Sxd4#
      • 1...d3
        • 2.Sc3#
      • 1...Rc4!
  • Keys
    • 1.Bb4!
      • 1...Rxb4
        • 2.Sxa3#
      • 1...Bxb4
        • 2.Sxd4#
      • 1...axb4
        • 2.bxa4#
      • 1...d3
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD,S_CUTB(f)::S(C),XP(a)
    • B(f);N_GUARD,S_CUTR(b)::S(C),XP(c)
    • P(c);N_GUARD::S(E)
  • Tries
    • Try
      • B(A);
      • Vars
        • R(b);N_GUARD,S_CUTB(f)::S(C),XP(a)
        • B(f);N_GUARD,S_CUTR(b)::S(C),XP(c)
        • P(c);N_GUARD::S(E)
      • Refutation
        • R(b);
    • Try
      • B(A);
      • Vars
        • R(b);N_GUARD,SBLOCK,S_CUTB(f)::S(C),XP(a)
        • B(f);N_GUARD,SBLOCK,S_CUTR(b)::S(C),XP(c)
        • P(c);N_GUARD::S(E)
      • Refutation
        • R(b);
    • Try
      • B(A);
      • Vars
        • R(b);N_GUARD,SBLOCK,S_CUTB(f)::S(C),XP(a)
        • B(f);N_GUARD,SBLOCK,S_CUTR(b)::S(C),XP(c)
        • P(c);N_GUARD::S(E)
      • Refutation
        • R(b);
    • Try
      • B(A);
      • Vars
        • R(b);N_GUARD,SBLOCK,S_CUTB(f)::S(C),XP(a)
        • B(f);N_GUARD,SBLOCK,S_CUTR(b)::S(C),XP(c)
        • P(c);N_GUARD::S(E)
      • Refutation
        • R(b);
    • Try
      • R(G);
      • Vars
        • R(b);N_GUARD,S_CUTB(f)::S(C),XP(a)
        • B(f);N_GUARD,S_CUTR(b)::S(C),XP(c)
        • P(c);N_GUARD::S(E)
      • Refutation
        • R(b);
  • Actual
    • B(A);
    • Vars
      • R(b);N_GUARD,SBLOCK,XB(A)::S(C),XP(a)
      • B(f);N_GUARD,SBLOCK,XB(A)::S(C),XP(c)
      • P(d);XB(A)::P(D),XR(b)
      • P(c);N_GUARD::S(E)
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