MESON Chess Problem Database

Problem Display
PID: 70167 (2Q1K3/2p1p2B/1pPbR1N1/3kn1P1/8/1P6/2P5/6B1 w - - 0 1)

Meyer, Max Julius

Dublin Evening Mail, 1890

(First published on Thu Jul 3 1890)

2Q1K3/2p1p2B/1pPbR1N1/3kn1P1/8/1P6/2P5/6B1

#2

10 + 6

187 The Chess Bouquet 1897
15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Ba3
      • 2.Sf4#
    • 1...Bb4
      • 2.Sf4#
    • 1...Bc5
      • 2.Sf4#
    • 1...Sxc6
      • 2.c4#
  • Tries
    • 1.Rxe5+?
      • 1...Kxc6
        • 2.Qa8#
      • 1...Bxe5!
  • Keys
    • 1.Qa6!
      • 1...Ke4
        • 2.Qd3#
      • 1...Kxc6
        • 2.Sxe7#
      • 1...Kxe6
        • 2.Sf4#
      • 1...Sxc6
        • 2.Qc4#
      • 1...Sxg6
        • 2.Qc4#
      • 1...Ba3
        • 2.Sf4#
      • 1...Bb4
        • 2.Sf4#
      • 1...Bc5
        • 2.Sf4#
      • 1...Sd3
        • 2.Qc4#
      • 1...Sf3
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Sg4
        • 2.Qc4#
      • 1...Sd7
        • 2.Qc4#
      • 1...Sf7
        • 2.Qc4#
      • 1...b5
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • B(d);::S(G)
    • S(b);N_GUARD,SBLOCK,XP(E)::P(B)
  • Tries
    • Try
      • R(F);CHECK,XS(b)
      • Vars
        • K(a);P_SPINP(e),S_FLIGHT,XP(E)::QAB(I)
      • Refutation
        • B(d);XR(F)
  • Actual
    • Q(I);
    • Vars
      • K(a);P_SPINS(b),S_FLIGHT::QAB1(I)
      • K(a);P_SPINB(d),P_SPINP(c),S_FLIGHT,XP(E)::S(G),XP(f)
      • K(a);S_FLIGHT,XR(F)::S(G)
      • S(b);N_GUARD,XP(E)::QAB1(I)
      • S(b);N_GUARD,XS(G)::QAB1(I)
      • B(d);::S(G)
      • S(b);N_GUARD::QAB1(I)
      • S(b);N_GUARD::QAB1(I),XS(b)
      • P(c);::S(G)
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