MESON Chess Problem Database

Problem Display
PID: 110220 (8/7B/1p3B2/PP1K4/1k6/NP6/1R2N3/8 w - - 0 1)

Labai, Zoltan

Slavia Kosice-25 JT, 1989

8/7B/1p3B2/PP1K4/1k6/NP6/1R2N3/8

#2

9 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa5
      • 2.Bc3#
    • 1...bxa5
      • 2.Be7#
  • Tries
    • 1.Ke4?
      • 1...Kxa5
        • 2.Bc3#
      • 1...Kc5
        • 2.Be7#
      • 1...bxa5
        • 2.Be7#
      • 1...Kxa3!
    • 1.Kc6?
      • 1...Kxa5
        • 2.Bc3#
      • 1...bxa5
        • 2.Sc2#
        • 2.Be7#
      • 1...Kxa3!
    • 1.Ke6?
      • 1...Kxa5
        • 2.Bc3#
      • 1...Kc5
        • 2.Be7#
        • 2.b4#
      • 1...bxa5
        • 2.Be7#
      • 1...Kxa3!
    • 1.Sc3?
      • 1...Kxa5
        • 2.b4#
      • 1...bxa5
        • 2.Sc2#
      • 1...Kxa3!
    • 1.Bd4?
      • 1...Kxa5
        • 2.Bc3#
      • 1...bxa5
        • 2.Bc5#
      • 1...Kxa3!
    • 1.Bh4?
      • 1...Kxa5
        • 2.Be1#
      • 1...bxa5
        • 2.Be7#
      • 1...Kxa3!
    • 1.Be5?
      • 1...Kxa5
        • 2.Bc3#
      • 1...bxa5
        • 2.Bd6#
      • 1...Kxa3!
    • 1.Bg5?
      • 1...Kxa5
        • 2.Bd2#
      • 1...bxa5
        • 2.Be7#
      • 1...Kxa3!
    • 1.Bg7?
      • 1...Kxa5
        • 2.Bc3#
      • 1...bxa5
        • 2.Bf8#
      • 1...Kxa3!
    • 1.Bb1?
      • 1...Kxa5
        • 2.Bc3#
      • 1...bxa5
        • 2.Be7#
      • 1...Kxa3!
    • 1.Bc2?
      • 1...Kxa5
        • 2.Bc3#
        • 2.b4#
      • 1...bxa5
        • 2.Be7#
      • 1...Kxa3!
    • 1.Bd3?
      • 1...Kxa5
        • 2.Bc3#
      • 1...bxa5
        • 2.Sc2#
        • 2.Be7#
      • 1...Kxa3!
    • 1.Be4?
      • 1...Kxa5
        • 2.Bc3#
      • 1...bxa5
        • 2.Be7#
      • 1...Kxa3!
    • 1.Bf5?
      • 1...Kxa5
        • 2.Bc3#
      • 1...bxa5
        • 2.Be7#
      • 1...Kxa3!
    • 1.Bg6?
      • 1...Kxa5
        • 2.Bc3#
      • 1...bxa5
        • 2.Be7#
      • 1...Kxa3!
    • 1.Bg8?
      • 1...Kxa5
        • 2.Bc3#
      • 1...bxa5
        • 2.Be7#
      • 1...Kxa3!
    • 1.Rb1?
      • 1...Kxa5
        • 2.Bc3#
      • 1...bxa5
        • 2.Be7#
      • 1...Kxa3!
    • 1.a6?
      • 1...Ka5
        • 2.Bc3#
      • 1...Kxa3!
  • Keys
    • 1.Sd4!
      • 1...Kxa3
        • 2.Sc2#
      • 1...Kc3
        • 2.Sc6#
      • 1...Kxa5
        • 2.Sc6#
      • 1...bxa5
        • 2.Sdc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XP(E)::B(H)
    • P(b);SBLOCK,XP(E)::B(H)
  • Tries
    • Try
      • K(G);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
        • K(a);S_FLIGHT::B(H)
        • P(b);SBLOCK,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • K(G);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • K(G);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
        • P(b);SBLOCK,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • S(B);
      • Vars
        • K(a);OGATE,S_FLIGHT,XP(E)::P(D)
        • P(b);SBLOCK,XP(E)::S(C)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(H);
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
        • P(b);N_GUARD,SBLOCK,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(H);
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
        • P(b);SBLOCK,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(H);
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
        • P(b);SBLOCK,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(H);
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
        • P(b);SBLOCK,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(H);
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
        • P(b);SBLOCK,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(I);
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
        • P(b);SBLOCK,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(I);
      • Vars
        • P(b);SBLOCK,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(I);
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(I);
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
        • P(b);SBLOCK,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(I);
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
        • P(b);SBLOCK,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(I);
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
        • P(b);SBLOCK,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(I);
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
        • P(b);SBLOCK,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • R(A);
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(H)
        • P(b);SBLOCK,XP(E)::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • P(E);
      • Vars
        • K(a);S_FLIGHT::B(H)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT,XS(C)::S(B)
      • K(a);S_FLIGHT::B(H)+S(B)
      • K(a);S_FLIGHT,XP(E)::S(B)
      • P(b);SBLOCK,XP(E)::S(B)
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