MESON Chess Problem Database

Problem Display
PID: 49642 (8/8/8/5p1p/5Nbp/3p1BkP/3B3N/4K2R w K - 0 1)

Gruber, Bratoljub

Mat Plus, 1995

8/8/8/5p1p/5Nbp/3p1BkP/3B3N/4K2R

#2

7 + 6

5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf3
      • 2.Sf1#
    • 1...Bxh3
      • 2.Sxh5#
  • Tries
    • 1.Se2+?
      • 1...Kxh3
        • 2.Sf1#
        • 2.Sxg4#
      • 1...dxe2!
    • 1.Sxh5+?
      • 1...Kxh3
        • 2.Sf1#
        • 2.Sxg4#
      • 1...Bxh5!
    • 1.Bc1?
      • 1...Bxf3
        • 2.Sf1#
      • 1...Bxh3
        • 2.Sxh5#
      • 1...d2+!
    • 1.Be3?
      • 1...Bxf3
        • 2.Sf1#
      • 1...Bxh3
        • 2.Sxh5#
      • 1...d2+!
    • 1.Bd5?
      • threat
        • 2.Sf1#
      • 1...Bxh3
        • 2.Sxh5#
      • 1...Be2!
    • 1.Bc6?
      • threat
        • 2.Sf1#
      • 1...Bxh3
        • 2.Sxh5#
      • 1...Be2!
    • 1.Bb7?
      • threat
        • 2.Sf1#
      • 1...Bxh3
        • 2.Sxh5#
      • 1...Be2!
    • 1.Ba8?
      • threat
        • 2.Sf1#
      • 1...Bxh3
        • 2.Sxh5#
      • 1...Be2!
  • Keys
    • 1.0-0!
      • 1...Bxf3
        • 2.Rxf3#
      • 1...Bxh3
        • 2.Sxh5#

Anticipated by 354(1929)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(c);SBLOCK,XB(E)::S(D)
    • B(c);N_GUARD,SBLOCK,XP(F)::S(G),XP(f)
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • P(a);XS(G)
    • Try
      • S(G);CHECK,XP(f)
      • Refutation
        • B(c);XS(G)
    • Try
      • B(C);
      • Vars
        • B(c);SBLOCK,XB(E)::S(D)
        • B(c);N_GUARD,SBLOCK,XP(F)::S(G),XP(f)
      • Refutation
        • P(a);CHECK
    • Try
      • B(C);
      • Vars
        • B(c);SBLOCK,XB(E)::S(D)
        • B(c);N_GUARD,SBLOCK,XP(F)::S(G),XP(f)
      • Refutation
        • P(a);CHECK
    • Try
      • B(E);
      • Threat
        • S(D)
      • Vars
        • B(c);N_GUARD,SBLOCK,XP(F)::S(G),XP(f)
      • Refutation
        • B(c);
    • Try
      • B(E);
      • Threat
        • S(D)
      • Vars
        • B(c);N_GUARD,SBLOCK,XP(F)::S(G),XP(f)
      • Refutation
        • B(c);
    • Try
      • B(E);
      • Threat
        • S(D)
      • Vars
        • B(c);N_GUARD,SBLOCK,XP(F)::S(G),XP(f)
      • Refutation
        • B(c);
    • Try
      • B(E);
      • Threat
        • S(D)
      • Vars
        • B(c);N_GUARD,SBLOCK,XP(F)::S(G),XP(f)
      • Refutation
        • B(c);
  • Actual
    • K(A);0-0
    • Vars
      • B(c);OGATE,XB(E)::R1(B),XB(c)
      • B(c);N_GUARD,SBLOCK,XP(F)::S(G),XP(f)
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