MESON Chess Problem Database

Problem Display
PID: 215948 (8/8/n3p1K1/1Qn3p1/1B2k1r1/3R2P1/1r6/3N4 w - - 0 1)

Donata Fonda, Gian

Deutsche Schachzeitung, 1884

8/8/n3p1K1/1Qn3p1/1B2k1r1/3R2P1/1r6/3N4

#2

6 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Sc3#
    • 1...Sb7
      • 2.Sc3#
    • 1...Sd7
      • 2.Sc3#
    • 1...e5
      • 2.Sc3#
      • 2.Qc4#
  • Keys
    • 1.Bc3!
      • threat
        • 2.Qc4#
      • 1...Rxb5
        • 2.Sf2#
      • 1...Sxd3
        • 2.Qc6#
      • 1...Rb4
        • 2.Sf2#
      • 1...Sb3
        • 2.Re3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(d);::S(A)
  • Actual
    • B(D);
    • Threat
      • QAR2(E)
    • Vars
      • R(a);N_GUARD,XQ(E)::S(A)
      • S(d);SBLOCK,XR(B)::QAB(E)
      • R(a);N_GUARD::S(A)
      • S(d);::R1(B)
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