MESON Chess Problem Database

Problem Display
PID: 158295 (b1N5/3p1K2/B7/1P1k4/1r1Pp3/8/2N1Q1P1/8 w - - 0 1)

Meyer, Max Julius

Bolton Football and Field, 1894

(First published on Sat Dec 29 1894)

b1N5/3p1K2/B7/1P1k4/1r1Pp3/8/2N1Q1P1/8

#2

8 + 5

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

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Qh5#
    • 1...Rxb5
      • 2.Qxb5#
    • 1...Bb7
      • 2.Bxb7#
    • 1...d6
      • 2.Sb6#
      • 2.Se7#
  • Tries
    • 1.Qd3?
      • threat
        • 2.Se3#
        • 2.Sxb4#
      • 1...Rxd4
        • 2.Qxd4#
      • 1...Rxb5
        • 2.Qxb5#
      • 1...Rb1
        • 2.Se3#
      • 1...Rb2
        • 2.Se3#
      • 1...Rb3
        • 2.Se3#
        • 2.Qxb3#
      • 1...Ra4
        • 2.Se3#
      • 1...Rc4
        • 2.Se3#
      • 1...e3
        • 2.Sxe3#
        • 2.Sxb4#
      • 1...exd3!
  • Keys
    • 1.b6!
      • 1...Kc6
        • 2.Sxb4#
      • 1...Rxd4
        • 2.Qb5#
      • 1...Rxb6
        • 2.Qc4#
      • 1...e3
        • 2.Qf3#
      • 1...Rb1
        • 2.Qc4#
      • 1...Rb2
        • 2.Qc4#
      • 1...Rb3
        • 2.Qc4#
      • 1...Ra4
        • 2.Qb5#
      • 1...Rc4
        • 2.Qxc4#
      • 1...Rb5
        • 2.Qxb5#
      • 1...Bc6
        • 2.Qh5#
      • 1...Bb7
        • 2.Bxb7#
      • 1...d6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • R(a);SBLOCK::QAR(B)
    • R(a);OGATE,XP(E)::QAR2(B),XR(a)
    • B(e);N_GUARD::B(F),XB(e)
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);OGATE,P_SPINR(a),XP(D)::QAR1(B),XR(a)
        • R(a);OGATE,XP(E)::QAR2(B),XR(a)
        • R(a);::S(A)
      • Refutation
        • P(b);XQ(B)
  • Actual
    • P(E);
    • Vars
      • K(c);S_FLIGHT::S(A),XR(a)
      • R(a);N_GUARD,XP(D)::QAR2(B)
      • R(a);N_GUARD,XP(E)::QAB1(B)
      • P(b);OGATEB::QAB(B)
      • R(a);N_GUARD::QAB1(B)
      • R(a);N_GUARD::QAR2(B)
      • R(a);N_GUARD::QAB1(B),XR(a)
      • R(a);N_GUARD::QAR2(B),XR(a)
      • B(e);SBLOCK::QAR(B)
      • B(e);N_GUARD::B(F),XB(e)
      • P(d);SBLOCK::S(H)
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