MESON Chess Problem Database

Problem Display
PID: 150292 (K7/B1R4B/6R1/3p4/1p1p1kNN/5q2/3p1r2/b2b3Q w - - 0 1)

Buchwald, Julius

British Chess Magazine, 1927

K7/B1R4B/6R1/3p4/1p1p1kNN/5q2/3p1r2/b2b3Q

#2

8 + 9

14868 Pirnie Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Rf6#
    • 1...Qg3
      • 2.Rf7#
    • 1...Re2
      • 2.Qxf3#
  • Tries
    • 1.Rf7+?
      • 1...Ke4
        • 2.Rg5#
        • 2.Ra6#
        • 2.Rb6#
        • 2.Rc6#
        • 2.Rd6#
        • 2.Re6#
        • 2.Rgf6#
        • 2.Rh6#
        • 2.Rgg7#
        • 2.Rg8#
      • 1...Kg3!
  • Keys
    • 1.Bb8!
      • threat
        • 2.Re7#
      • 1...Qa3+
        • 2.Ra7#
      • 1...Kg3
        • 2.Rc3#
      • 1...Ke4
        • 2.Rf6#
      • 1...Qe2
        • 2.Rf7#
      • 1...Qe4
        • 2.Rf7#
      • 1...Qc3
        • 2.Rxc3#
        • 2.Rc4#
        • 2.Rc5#
        • 2.Rcc6#
        • 2.Rf7#
      • 1...Qe3
        • 2.Rf7#
      • 1...Re2
        • 2.Qxf3#
      • 1...d3
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • K(h);P-FLIGHT,P_SPINQ(e)::B(G)+R(D)
    • Q(e);SBLOCK::R(F)
    • R(d);N_GUARD,S_CUTB(b)::QAR1(A),XQ(e)
  • Tries
    • Try
      • R(F);CHECK
      • Refutation
        • K(h);S_FLIGHT
  • Actual
    • B(E);
    • Threat
      • B(E)+R(F)
    • Vars
      • Q(e);CHECK::B(E)+R(F)
      • K(h);S_FLIGHT::B(E)+R(F)
      • K(h);P-FLIGHT,P_SPINQ(e)::B(G)+R(D)
      • Q(e);::B(E)+R(F),DCHECK
      • R(d);N_GUARD,S_CUTB(b)::QAR1(A),XQ(e)
      • P(g);::B(E)+R(F),DCHECK
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Developed and maintained by Brian Stephenson.
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