MESON Chess Problem Database

Problem Display
PID: 35986 (6bK/r5P1/5R2/1p5p/1R1N2kP/6pr/qp2P1P1/8 w - - 0 1)

Cristoffanini, Guido

Recomm., BCF 004. Ty., 1930-1931

6bK/r5P1/5R2/1p5p/1R1N2kP/6pr/qp2P1P1/8

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh4
      • 2.Sf3#
    • 1...Qe6
      • 2.Sxe6#
    • 1...Qf7
      • 2.Se6#
    • 1...Qa1
      • 2.Se6#
    • 1...Qa6
      • 2.Se6#
    • 1...Rf7
      • 2.Sb3#
    • 1...Bb3
      • 2.Sxb3#
  • Tries
    • 1.Rg6+?
      • 1...Kxh4
        • 2.Sf3#
        • 2.Sf5#
      • 1...Kf4!
  • Keys
    • 1.e3!
      • threat
        • 2.Rf4#
      • 1...Kxh4
        • 2.Sf3#
      • 1...Rxh4
        • 2.Rg6#
      • 1...Qf7
        • 2.Se6#
      • 1...Rf7
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • K(e);P-FLIGHT,XP(E)::R(C)+S(D),DCHECK
    • Q(a);N_GUARD::R(C)+S(D),XQ(a)
    • Q(a);N_GUARD::R(C)+S(D)
    • R(h);S_CUTB(i)::R(C)+S(D)
    • B(i);N_GUARD::R(C)+S(D),XB(i)
  • Tries
    • Try
      • R(F);CHECK
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • P(A);
    • Threat
      • R1(F)
    • Vars
      • K(e);P-FLIGHT,XP(E)::R(C)+S(D),DCHECK
      • R(d);SBLOCK,XP(E)::R(F)
      • Q(a);N_GUARD::R(C)+S(D)
      • R(h);S_CUTB(i)::R(C)+S(D)
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Developed and maintained by Brian Stephenson.
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