MESON Chess Problem Database

Problem Display
PID: 201631 (b7/8/R4N2/K1k2n2/1p1r4/3pPB2/3N4/8 w - - 0 1)

Bezdan, Geza

Nepszava, 1922

b7/8/R4N2/K1k2n2/1p1r4/3pPB2/3N4/8

#2

6 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Sb3#
      • 2.Sd7#
    • 1...Rf4
      • 2.Sd7#
    • 1...Rg4
      • 2.Sd7#
    • 1...Rh4
      • 2.Sd7#
    • 1...Rd5
      • 2.Sfe4#
    • 1...Rd7
      • 2.Sxd7#
    • 1...Bd5
      • 2.Sd7#
    • 1...Bc6
      • 2.Rxc6#
    • 1...Sd6
      • 2.Sd7#
  • Tries
    • 1.Bxa8?
      • threat
        • 2.Rc6#
      • 1...Rd6
        • 2.Sfe4#
      • 1...Se7!
    • 1.exd4+?
      • 1...Sxd4
        • 2.Sd7#
      • 1...Kxd4!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Sb3#
      • 1...Rxd5
        • 2.Sfe4#
      • 1...Bxd5
        • 2.Sd7#
      • 1...Bc6
        • 2.Rxc6#
      • 1...b3
        • 2.Sxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(c);N_GUARD::S(F)
    • R(c);N_GUARD,SBLOCK,S_CUTB(f)::S(F)
    • R(c);N_GUARD::S(F),XR(c)
    • B(f);S_CUTR(c)::S(F)
    • B(f);N_GUARD::R1(E),XB(f)
    • S(e);S_CUTR(c)::S(F)
  • Tries
    • Try
      • B(C);XB(f)
      • Threat
        • R1(E)
      • Vars
        • R(c);N_GUARD::S(F)
      • Refutation
        • S(e);
    • Try
      • P(B);CHECK,XR(c)
      • Vars
        • S(e);SBLOCK,XP(B)::S(F)
      • Refutation
        • K(d);S_FLIGHT,XP(B)
  • Actual
    • B(C);
    • Threat
      • S(A)
    • Vars
      • R(c);N_GUARD,SBLOCK,XB(C)::S(F)
      • B(f);SBLOCK,XB(C)::S(F)
      • B(f);N_GUARD::R1(E),XB(f)
      • P(b);::S(A),XP(b)
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