MESON Chess Problem Database

Problem Display
PID: 243501 (K7/bn3R1b/2P5/4k2r/1Q1N2pB/3P4/B5nq/8 w - - 0 1)

Buchwald, Julius

Tijdschrift vd KNSB, 1952

K7/bn3R1b/2P5/4k2r/1Q1N2pB/3P4/B5nq/8

#2

8 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qf4
      • 2.Re7#
    • 1...Bxd4
      • 2.Qe7#
    • 1...Sf4
      • 2.Bf6#
    • 1...g3
      • 2.Sf3#
  • Keys
    • 1.Sf5!
      • threat
        • 2.Qe4#
      • 1...Rxf5
        • 2.Re7#
      • 1...Bxf5
        • 2.Bf6#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Qf4
        • 2.Qe7#
      • 1...Sc5
        • 2.Qd4#
      • 1...Sd6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • Q(b);SBLOCK::R(G)
    • B(f);SBLOCK,XS(D)::QAR2(C)
    • S(a);SBLOCK::B(E)
    • P(c);N_GUARD::S(D)
  • Actual
    • S(D);
    • Threat
      • QAR1(C)
    • Vars
      • R(e);SBLOCK,XS(D)::R(G)
      • B(h);SBLOCK,XS(D)::B(E)
      • B(f);N_GUARD::QAB1(C),XB(f)
      • Q(b);SBLOCK::QAR2(C)
      • S(g);S_CUTB(f)::QAB1(C)
      • S(g);N_GUARD::QAB1(C),XS(g)
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