MESON Chess Problem Database

Problem Display
PID: 180121 (4b3/r1p1B1K1/5Q2/p1R5/8/k7/pN6/b2n4 w - - 0 1)

Rduch, Frantisek

3rd Prize, Budapesti Sakkor, 1924

4b3/r1p1B1K1/5Q2/p1R5/8/k7/pN6/b2n4

#2

5 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Rb5#
    • 1...Sf2
      • 2.Qc3#
    • 1...Sc3
      • 2.Qxc3#
    • 1...Se3
      • 2.Qc3#
  • Keys
    • 1.Qc6!
      • threat
        • 2.Rb5#
      • 1...Bxb2+
        • 2.Rc3#
      • 1...Kxb2
        • 2.Rb5#
      • 1...Kb3
        • 2.Rb5#
      • 1...Kb4
        • 2.Rc3#
        • 2.Rb5#
      • 1...Sxb2
        • 2.Rc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • B(h);S_CUTP(g)::B(D)+R(B)
    • S(b);N_GUARD::QAR2(C)
    • S(b);N_GUARD::QAR2(C),XS(b)
  • Actual
    • Q(C);P_SPINS(A)
    • Threat
      • B(D)+R(B)
    • Vars
      • B(a);CHECK,SBLOCK,XS(A)::B(D)+R(B),DCHECK
      • K(d);S_FLIGHT,XS(A)::R(B)
      • K(d);P-FLIGHT::R(B)
      • S(b);SBLOCK,XS(A)::B(D)+R(B),DCHECK
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Developed and maintained by Brian Stephenson.
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