MESON Chess Problem Database

Problem Display
PID: 5011 (b7/N3B3/Q7/3kpp2/3p4/1R4P1/8/7K w - - 0 1)

Bonner Feast, Frederick

Birmingham Post, 1897

b7/N3B3/Q7/3kpp2/3p4/1R4P1/8/7K

#2

6 + 5

3360 Simple Two-move Themes 1924
56 The Problemist 1937
3147 Chess Problems: Introduction to an Art 1963
3310 2345 Chess Problems 1997
5454 Near Snap 2008
3713 Snap 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Qxc6#
  • Keys
    • 1.Qa2!
      • threat
        • 2.Re3#
      • 1...Kc4+
        • 2.Rf3#
      • 1...Ke6+
        • 2.Rb7#
      • 1...Ke4
        • 2.Qg2#
      • 1...d3
        • 2.Rb4#
      • 1...e4
        • 2.Rb5#

This anticipates 148204(1900), 9829(1910), 44806(2002)

This is after

There are these afters: 136979

After G H Walcott.

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(e);N_GUARD::QAB1(D),XB(e)
  • Actual
    • Q(D);
    • Threat
      • QAB(D)+R(B)
    • Vars
      • K(b);CHECK,S_FLIGHT::QAB(D)+R(B)
      • K(b);S_FLIGHT::QAB(D)
      • P(a);::QAB(D)+R(B)
      • P(c);SBLOCK::QAB(D)+R(B),DCHECK
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