MESON Chess Problem Database

Problem Display
PID: 106502 (b3r2b/2B5/7R/3BNk1K/7R/8/8/8 w - - 0 1)

Beszczynski, Jan

Praca, 1955

b3r2b/2B5/7R/3BNk1K/7R/8/8/8

#2

6 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Bxe6#
    • 1...Rb8
      • 2.Be6#
    • 1...Rc8
      • 2.Be6#
    • 1...Rd8
      • 2.Be6#
    • 1...Rf8
      • 2.Be6#
    • 1...Rg8
      • 2.Be6#
  • Tries
    • 1.Sc4?
      • threat
        • 2.Rf4#
      • 1...Re5
        • 2.Sd6#
      • 1...Be5
        • 2.Se3#
      • 1...Re4!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Rf4#
      • 1...Re4
        • 2.Bxe4#
      • 1...Re5
        • 2.Sd4#
      • 1...Be5
        • 2.Be4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • R(c);N_GUARD::B(B),XR(c)
    • R(c);N_GUARD::B(B)
  • Tries
    • Try
      • S(C);
      • Threat
        • R1(A)
      • Vars
        • R(c);SBLOCK::S(C)
        • B(d);S_CUTR(c)::S(C)
      • Refutation
        • R(c);
  • Actual
    • S(C);
    • Threat
      • R1(A)
    • Vars
      • R(c);N_GUARD::B(B),XR(c)
      • R(c);S_CUTB(d)::S(C)
      • B(d);S_CUTR(c)::B(B)
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