MESON Chess Problem Database

Problem Display
PID: 23615 (8/8/R7/3n4/8/4p1B1/8/3B1k1K w - - 0 1)

Bartolovic, Hrvoje

3rd Prize, Berszedi vegryz, 1965

8/8/R7/3n4/8/4p1B1/8/3B1k1K

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.Rf6#
    • 1...Sb4
      • 2.Rf6#
    • 1...Sf6
      • 2.Rxf6#
    • 1...Sc7
      • 2.Rf6#
  • Tries
    • 1.Bf3?
      • threat
        • 2.Ra1#
      • 1...e2
        • 2.Bg2#
      • 1...Sc3!
    • 1.Bh5?
      • threat
        • 2.Ra1#
      • 1...Sc3
        • 2.Rf6#
      • 1...e2!
    • 1.Rf6+?
      • 1...Sf4
        • 2.Rxf4#
      • 1...Sxf6!
  • Keys
    • 1.Bg4!
      • threat
        • 2.Ra1#
      • 1...Sc3
        • 2.Rf6#
      • 1...e2
        • 2.Bh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • S(c);N_GUARD::R(D)
    • S(c);N_GUARD::R(D),XS(c)
  • Tries
    • Try
      • B(A);
      • Threat
        • R(D)
      • Vars
        • P(b);SBLOCK::B(A)
      • Refutation
        • S(c);
    • Try
      • B(A);
      • Threat
        • R(D)
      • Vars
        • S(c);N_GUARD::R(D)
      • Refutation
        • P(b);
    • Try
      • R(D);CHECK
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::R(D),XS(c)
      • Refutation
        • S(c);XR(D)
  • Actual
    • B(A);
    • Threat
      • R(D)
    • Vars
      • S(c);N_GUARD::R(D)
      • P(b);SBLOCK::B(A)
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