MESON Chess Problem Database

Problem Display
PID: 6625 (3NkN2/7R/1K1Q2qr/5p1B/b2n3B/1p3p2/1bp5/4r3 w - - 0 1)

Buchner, Rudolf

1st Prize, Il Problema, 1932

3NkN2/7R/1K1Q2qr/5p1B/b2n3B/1p3p2/1bp5/4r3

#2

7 + 11

461 Schach-Express 1949
3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Qf7
      • 2.Bxf7#
    • 1...Se6
      • 2.Qe7#
  • Keys
    • 1.Rh8!
      • threat
        • 2.Sh7#
      • 1...Rxh5
        • 2.Qxg6#
      • 1...Rxh8
        • 2.Bxg6#
      • 1...Rh7
        • 2.Sxh7#
      • 1...Se2
        • 2.Qe6#
      • 1...Sb5
        • 2.Qc6#
      • 1...Sc6
        • 2.Qd7#
      • 1...Se6
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • Q(i);OGATE::B(B),XQ(i)
    • S(g);N_PINQ(D)::QAR1(D)
  • Actual
    • R(E);
    • Threat
      • R(E)+S(G)
    • Vars
      • R(j);N_GUARD,N_SPINQ(i),XB(B)::QAB(D),XQ(i)
      • R(j);N_GUARD,XR(E)::B(B),XQ(i)
      • R(j);::R(E)+S(G),XR(j)
      • S(g);N_GUARD,S_CUTR(a)::QAR2(D)
      • S(g);N_GUARD,S_CUTB(f)::QAB(D)
      • S(g);N_PINQ(D)::QAB1(D)
      • S(g);N_PINQ(D)::QAR1(D)
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