MESON Chess Problem Database

Problem Display
PID: 121632 (8/KR6/n1k5/3R4/2B5/8/8/8 w - - 0 1)

Stocchi, Ottavio

Il Littorale, 1929-1931

8/KR6/n1k5/3R4/2B5/8/8/8

#2

4 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc7
      • 2.Rb6#
  • Tries
    • 1.Rdd7?
      • 1...Sc7
        • 2.Rbxc7#
      • 1...Sb4
        • 2.Rbc7#
      • 1...Sc5
        • 2.Bb5#
        • 2.Bd5#
        • 2.Rbc7#
      • 1...Sb8
        • 2.Rbc7#
      • 1...Kc5!
    • 1.Rbb5?
      • 1...Sb4
        • 2.Rbc5#
      • 1...Sc5
        • 2.Rbxc5#
      • 1...Sc7
        • 2.Rbc5#
        • 2.Rb6#
      • 1...Sb8
        • 2.Rbc5#
      • 1...Kc7!
  • Keys
    • 1.Rbd7!
      • threat
        • 2.Bb5#
      • 1...Sc5
        • 2.R5d6#
      • 1...Sc7
        • 2.R7d6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK::R1(D)
  • Tries
    • Try
      • R(B);
      • Vars
        • S(a);N_GUARD::R1(D),XS(a)
        • S(a);N_GUARD::R1(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(D);
      • Vars
        • S(a);N_GUARD::R1(D)
        • S(a);N_GUARD::R1(D),XS(a)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • R(D);
    • Threat
      • B(A)
    • Vars
      • S(a);SBLOCK::R1(B)
      • S(a);SBLOCK::R1(D)
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