MESON Chess Problem Database

Problem Display
PID: 88242 (n2NkBK1/6P1/3Rp3/2n5/4p3/8/4r3/3B4 w - - 0 1)

Bidulescu, Constantin

Buletin Problemistic, 1973

n2NkBK1/6P1/3Rp3/2n5/4p3/8/4r3/3B4

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Bh5#
    • 1...Ra2
      • 2.Bh5#
    • 1...Rb2
      • 2.Bh5#
    • 1...Rc2
      • 2.Bh5#
    • 1...Rd2
      • 2.Bh5#
    • 1...Re3
      • 2.Bh5#
    • 1...Sd3
      • 2.Ba4#
    • 1...Sa4
      • 2.Bxa4#
    • 1...Sa6
      • 2.Ba4#
    • 1...Sb7
      • 2.Ba4#
  • Tries
    • 1.Sc6?
      • threat
        • 2.Rd8#
      • 1...Rd2
        • 2.Bh5#
      • 1...Sd7
        • 2.Rxe6#
      • 1...Sb7!
    • 1.Sxe6?
      • threat
        • 2.Rd8#
      • 1...Sxe6
        • 2.Ba4#
      • 1...Rd2
        • 2.Bh5#
      • 1...Sb7
        • 2.Ba4#
      • 1...Sd7!
    • 1.Sf7?
      • threat
        • 2.Rd8#
      • 1...Sb7
        • 2.Ba4#
      • 1...Sd7
        • 2.Rxe6#
      • 1...Rd2!
  • Keys
    • 1.Sb7!
      • threat
        • 2.Rd8#
      • 1...Sxb7
        • 2.Ba4#
      • 1...Rd2
        • 2.Bh5#
      • 1...Sd7
        • 2.Rxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • R(a);OGATE::B(A)
    • S(c);N_GUARD::B(A)
    • S(c);N_GUARD::B(A),XS(c)
  • Tries
    • Try
      • S(D);
      • Threat
        • R1(B)
      • Vars
        • R(a);OGATE::B(A)
        • S(c);N_GUARD,SBLOCK::R(B),XP(d)
      • Refutation
        • S(c);
    • Try
      • S(D);XP(d)
      • Threat
        • R1(B)
      • Vars
        • S(c);N_GUARD,XS(D)::B(A)
        • R(a);OGATE::B(A)
        • S(c);N_GUARD::B(A)
      • Refutation
        • S(c);
    • Try
      • S(D);
      • Threat
        • R1(B)
      • Vars
        • S(c);N_GUARD::B(A)
        • S(c);N_GUARD,SBLOCK::R(B),XP(d)
      • Refutation
        • R(a);
  • Actual
    • S(D);
    • Threat
      • R1(B)
    • Vars
      • S(c);N_GUARD,XS(D)::B(A)
      • R(a);OGATE::B(A)
      • S(c);N_GUARD,SBLOCK::R(B),XP(d)
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